diff --git a/README.md b/README.md
index f915081..faa676f 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ How to configure this app: a plain file with SSH.
 
 #### Multi-users support
 
-Are LDAP and HTTP auth supported? **Not yet**  
+Are LDAP and HTTP auth supported? **Yes**  
 Can the app be used by multiple users? **Yes**
 
 #### Supported architectures
@@ -67,9 +67,6 @@ sudo yunohost app upgrade lstu -u https://github.com/YunoHost-Apps/lstu_ynh/tree
 ```
 ## Todo
 
-- [ ] Integrate with LDAP
-- [ ] Add a question for the admin features' password
 - [ ] Allow to choose the database (sqlite or PostgreSQL)
 - [ ] Allow to choose to use Minion
 - [ ] Add CI stuff
-- [ ] Theme choice (default or milligram)
\ No newline at end of file
diff --git a/actions.json b/actions.json
new file mode 100644
index 0000000..2f7577b
--- /dev/null
+++ b/actions.json
@@ -0,0 +1,75 @@
+[
+	{
+		"id": "public_private",
+		"name": "Move to public or private",
+		"command": "/bin/bash scripts/actions/public_private",
+		"user": "root",
+		"accepted_return_codes": [
+			0
+		],
+		"description": {
+			"en": "Change the public access of the app."
+		},
+		"arguments": [
+			{
+				"name": "is_public",
+				"type": "boolean",
+				"ask": {
+					"en": "Is it a public app ?"
+				},
+				"default": true
+			}
+		]
+	},
+	{
+		"id": "change_password",
+		"name": "Change the admin password",
+		"command": "/bin/bash scripts/actions/change_password",
+		"user": "root",
+		"accepted_return_codes": [
+			0
+		],
+		"description": {
+			"en": "Change the admin password of the app.",
+			"fr": "Change le mot de passe administrateur de l'app."
+		},
+		"arguments": [
+			{
+				"name": "password",
+				"type": "password",
+				"ask": {
+					"en": "New password",
+					"fr": "Nouveau mot de passe"
+				}
+			}
+		]
+	},
+	{
+		"id": "change_theme",
+		"name": "Change the theme",
+		"command": "/bin/bash scripts/actions/change_theme",
+		"user": "root",
+		"accepted_return_codes": [
+			0
+		],
+		"description": {
+			"en": "Change the theme of the app.",
+			"fr": "Change le thème de l'app."
+		},
+		"arguments": [
+			{
+				"name": "theme",
+				"type": "string",
+				"ask": {
+					"en": "Choose a theme",
+					"fr": "Choisissez un theme"
+				},
+				"choices": [
+					"default",
+					"milligram"
+				],
+				"default": "milligram"
+			}
+		]
+	}
+]
\ No newline at end of file
diff --git a/check_process b/check_process
index 74c836a..4df7923 100644
--- a/check_process
+++ b/check_process
@@ -4,7 +4,8 @@
 		domain="domain.tld"	(DOMAIN)
 		path="/path"	(PATH)
 		is_public=1 (PUBLIC|public=1|private=0)
-		
+		theme="milligram" (THEME)
+		password="verysecretpassword" (PASSWORD)
 	; Checks
 		pkg_linter=1
 		setup_sub_dir=1
@@ -13,25 +14,20 @@
 		setup_private=1
 		setup_public=1
 		upgrade=1
+		upgrade=1        from_commit=7410eb674fc4670fcc0398e8e1d086e2560c7f28
 		backup_restore=1
-		multi_instance=0
-		wrong_user=1
-		wrong_path=1
+		multi_instance=1
 		incorrect_path=1
-		corrupt_source=1
-		fail_download_source=1
-		port_already_use=1
-		final_path_already_use=1
+		port_already_use=1 (8095)
+		change_url=1
 ;;; Levels
 	Level 1=auto
 	Level 2=auto
 	Level 3=auto
-	Level 4=na
-# level 4: https://github.com/YunoHost-Apps/lstu_ynh/issues/4
-	Level 5=1
-# level 5: https://github.com/YunoHost-Apps/lstu_ynh/issues/3
+	Level 4=1
+	Level 5=auto
 	Level 6=auto
 	Level 7=auto
 	Level 8=0
 	Level 9=0
-Level 10=0
+  	Level 10=0
diff --git a/conf/lstu.conf.template b/conf/lstu.conf.template
index 6796cb0..2a70fbd 100644
--- a/conf/lstu.conf.template
+++ b/conf/lstu.conf.template
@@ -29,11 +29,11 @@
     # secret hashed passphrase to access some admin features
     # Hash your password by issuing `echo -n s3cr3T | sha256sum` on your terminal
     # optional, but you won't have access to admin /stats if not set and if adminpwd is not set either
-    #hashed_adminpwd => '94b2feede6ea5e2eec62f457ecb7d3f719b24d19c29d4e5466246a31908fc23b',
+    hashed_adminpwd => '__PASSWORD_HASHED__',
 
     # choose a theme. See the available themes in `themes` directory
     # optional, default is 'default'
-    theme         => 'default',
+    theme         => '__SELECTED_THEME__', # default or milligram
 
     # number of URLs to be displayed per page in /stats
     # optional, default is 10
@@ -178,14 +178,14 @@
     # set `ldap` if you want that only authenticated users can shorten URLs
     # please note that everybody can still use shortend URLs
     # optional, no default
-    #ldap => {
-    #    uri         => 'ldaps://ldap.example.org',                 # server URI
-    #    user_tree   => 'ou=users,dc=example,dc=org',               # search base DN
-    #    bind_dn     => 'uid=ldap_user,ou=users,dc=example,dc=org', # search bind DN
-    #    bind_pwd    => 'secr3t',                                   # search bind password
-    #    user_attr   => 'uid',                                      # user attribute (uid, mail, sAMAccountName, etc.)
-    #    user_filter => '(!(uid=ldap_user))',                       # user filter (to exclude some users, etc.)
-    #},
+    __IS_PUBLIC__ldap => {
+    __IS_PUBLIC__    uri         => 'ldap://localhost:389',          # server URI
+    __IS_PUBLIC__    user_tree   => 'dc=yunohost,dc=org',            # search base DN
+    __IS_PUBLIC__    bind_dn     => 'ou=users,dc=yunohost,dc=org',   # search bind DN
+    __IS_PUBLIC__#   bind_pwd    => '',                              # search bind password
+    __IS_PUBLIC__    user_attr   => 'uid',                           # user attribute (uid, mail, sAMAccountName, etc.)
+    __IS_PUBLIC__#    user_filter => '(!(uid=ldap_user))',           # user filter (to exclude some users, etc.)
+    __IS_PUBLIC__},
 
     # set `htpasswd` if you want to use an htpasswd file instead of ldap
     # create the file with `htpasswd -c lstu.passwd user`, update it with `htpasswd lstu.passwd user2`
diff --git a/conf/nginx.conf b/conf/nginx.conf
index 3e674d7..028fa01 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -3,9 +3,6 @@ location __PATH__ {
         rewrite ^ https://$server_name$request_uri? permanent;
     }
 
-    #--PRIVATE--# Include SSOWAT user panel.
-    #--PRIVATE--include conf.d/yunohost_panel.conf.inc;
-
     access_log /var/log/nginx/lstu.access.log;
     error_log /var/log/nginx/lstu.error.log;
 
@@ -19,4 +16,7 @@ location __PATH__ {
 
     # We expect the downsteam servers to redirect to the right hostname, so don't do any rewrite$
     proxy_redirect     off;
+
+    # Include SSOWAT user panel.
+    include conf.d/yunohost_panel.conf.inc;
 }
diff --git a/manifest.json b/manifest.json
index 9e6a229..db9b7e8 100644
--- a/manifest.json
+++ b/manifest.json
@@ -2,7 +2,7 @@
 	"name": "Lstu",
 	"id": "lstu",
 	"packaging_format": 1,
-	"version": "0.21-4~ynh2",
+	"version": "0.21-4~ynh3",
 	"requirements": {
 		"yunohost": ">= 3.0"
 	},
@@ -16,12 +16,12 @@
 		"name": "frju365",
 		"email": "abld@abld.info"
 	},
-	"multi_instance": false,
+	"multi_instance": true,
 	"services": [
 		"nginx"
 	],
 	"arguments": {
-		"install" : [
+		"install": [
 			{
 				"name": "domain",
 				"type": "domain",
@@ -49,6 +49,27 @@
 					"fr": "Est-ce une application publique ?"
 				},
 				"default": false
+			},
+			{
+				"name": "theme",
+				"type": "string",
+				"ask": {
+					"en": "Choose a theme",
+					"fr": "Choisissez un theme"
+				},
+				"choices": [
+					"default",
+					"milligram"
+				],
+				"default": "milligram"
+			},
+			{
+				"name": "password",
+				"type": "password",
+				"ask": {
+					"en": "Choose a password",
+					"fr": "Choisissez un mot de passe"
+				}
 			}
 		]
 	}
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 5208e48..2bfa0f4 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -1,12 +1,5 @@
 #!/bin/bash
 
-CHECK_VAR () {	# Verifies that the variable is not empty.
-	# $1 = Variable to be checked
-	# $2 = Display text on error
-	test -n "$1" || (echo "$2" >&2 && false)
-}
-
-
 # Start (or other actions) a service,  print a log in case of failure and optionnaly wait until the service is completely started
 #
 # usage: ynh_systemd_action [-n service_name] [-a action] [ [-l "line to match"] [-p log_path] [-t timeout] [-e length] ]
@@ -14,6 +7,9 @@ CHECK_VAR () {	# Verifies that the variable is not empty.
 # | arg: -a, --action=       - Action to perform with systemctl. Default: start
 # | arg: -l, --line_match=   - Line to match - The line to find in the log to attest the service have finished to boot.
 #                              If not defined it don't wait until the service is completely started.
+#                              WARNING: When using --line_match, you should always add `ynh_clean_check_starting` into your
+#                                `ynh_clean_setup` at the beginning of the script. Otherwise, tail will not stop in case of failure
+#                                of the script. The script will then hang forever.
 # | arg: -p, --log_path=     - Log file - Path to the log file. Default : /var/log/$app/$app.log
 # | arg: -t, --timeout=      - Timeout - The maximum time to wait before ending the watching. Default : 300 seconds.
 # | arg: -e, --length=       - Length of the error log : Default : 20
@@ -40,22 +36,24 @@ ynh_systemd_action() {
     if [[ -n "${line_match:-}" ]]
     then
         local templog="$(mktemp)"
-	# Following the starting of the app in its log
-	if [ "$log_path" == "systemd" ] ; then
+        # Following the starting of the app in its log
+        if [ "$log_path" == "systemd" ] ; then
             # Read the systemd journal
             journalctl --unit=$service_name --follow --since=-0 --quiet > "$templog" &
-	else
+            # Get the PID of the journalctl command
+            local pid_tail=$!
+        else
             # Read the specified log file
             tail -F -n0 "$log_path" > "$templog" &
-	fi
-        # Get the PID of the tail command
-        local pid_tail=$!
+            # Get the PID of the tail command
+            local pid_tail=$!
+        fi
     fi
 
     echo "${action^} the service $service_name" >&2
     systemctl $action $service_name \
-        || ( journalctl --lines=$length -u $service_name >&2 \
-        ; test -n "$log_path" && echo "--" && tail --lines=$length "$log_path" >&2 \
+        || ( journalctl --no-pager --lines=$length -u $service_name >&2 \
+        ; test -e "$log_path" && echo "--" && tail --lines=$length "$log_path" >&2 \
         ; false )
 
     # Start the timeout and try to find line_match
@@ -77,8 +75,8 @@ ynh_systemd_action() {
         then
             echo "The service $service_name didn't fully started before the timeout." >&2
             echo "Please find here an extract of the end of the log of the service $service_name:"
-            journalctl --lines=$length -u $service_name >&2
-            test -n "$log_path" && echo "--" && tail --lines=$length "$log_path" >&2
+            journalctl --no-pager --lines=$length -u $service_name >&2
+            test -e "$log_path" && echo "--" && tail --lines=$length "$log_path" >&2
         fi
 
         echo ""
@@ -94,4 +92,143 @@ ynh_clean_check_starting () {
 	# Stop the execution of tail.
 	kill -s 15 $pid_tail 2>&1
 	ynh_secure_remove "$templog" 2>&1
+}
+
+#=================================================
+# EXPERIMENTAL HELPERS
+#=================================================
+
+# Send an email to inform the administrator
+#
+# usage: ynh_send_readme_to_admin --app_message=app_message [--recipients=recipients] [--type=type]
+# | arg: -m --app_message= - The file with the content to send to the administrator.
+# | arg: -r, --recipients= - The recipients of this email. Use spaces to separate multiples recipients. - default: root
+#	example: "root admin@domain"
+#	If you give the name of a YunoHost user, ynh_send_readme_to_admin will find its email adress for you
+#	example: "root admin@domain user1 user2"
+# | arg: -t, --type= - Type of mail, could be 'backup', 'change_url', 'install', 'remove', 'restore', 'upgrade'
+ynh_send_readme_to_admin() {
+	# Declare an array to define the options of this helper.
+	declare -Ar args_array=( [m]=app_message= [r]=recipients= [t]=type= )
+	local app_message
+	local recipients
+	local type
+	# Manage arguments with getopts
+
+	ynh_handle_getopts_args "$@"
+	app_message="${app_message:-}"
+	recipients="${recipients:-root}"
+	type="${type:-install}"
+
+	# Get the value of admin_mail_html
+	admin_mail_html=$(ynh_app_setting_get $app admin_mail_html)
+	admin_mail_html="${admin_mail_html:-0}"
+
+	# Retrieve the email of users
+	find_mails () {
+		local list_mails="$1"
+		local mail
+		local recipients=" "
+		# Read each mail in argument
+		for mail in $list_mails
+		do
+			# Keep root or a real email address as it is
+			if [ "$mail" = "root" ] || echo "$mail" | grep --quiet "@"
+			then
+				recipients="$recipients $mail"
+			else
+				# But replace an user name without a domain after by its email
+				if mail=$(ynh_user_get_info "$mail" "mail" 2> /dev/null)
+				then
+					recipients="$recipients $mail"
+				fi
+			fi
+		done
+		echo "$recipients"
+	}
+	recipients=$(find_mails "$recipients")
+
+	# Subject base
+	local mail_subject="☁️🆈🅽🅷☁️: \`$app\`"
+
+	# Adapt the subject according to the type of mail required.
+	if [ "$type" = "backup" ]; then
+		mail_subject="$mail_subject has just been backup."
+	elif [ "$type" = "change_url" ]; then
+		mail_subject="$mail_subject has just been moved to a new URL!"
+	elif [ "$type" = "remove" ]; then
+		mail_subject="$mail_subject has just been removed!"
+	elif [ "$type" = "restore" ]; then
+		mail_subject="$mail_subject has just been restored!"
+	elif [ "$type" = "upgrade" ]; then
+		mail_subject="$mail_subject has just been upgraded!"
+	else	# install
+		mail_subject="$mail_subject has just been installed!"
+	fi
+
+	local mail_message="This is an automated message from your beloved YunoHost server.
+Specific information for the application $app.
+$(if [ -n "$app_message" ]
+then
+	cat "$app_message"
+else
+	echo "...No specific information..."
+fi)
+---
+Automatic diagnosis data from YunoHost
+__PRE_TAG1__$(yunohost tools diagnosis | grep -B 100 "services:" | sed '/services:/d')__PRE_TAG2__"
+
+	# Store the message into a file for further modifications.
+	echo "$mail_message" > mail_to_send
+
+	# If a html email is required. Apply html tags to the message.
+ 	if [ "$admin_mail_html" -eq 1 ]
+ 	then
+		# Insert 'br' tags at each ending of lines.
+		ynh_replace_string "$" "<br>" mail_to_send
+
+		# Insert starting HTML tags
+		sed --in-place '1s@^@<!DOCTYPE html>\n<html>\n<head></head>\n<body>\n@' mail_to_send
+
+		# Keep tabulations
+		ynh_replace_string "  " "\&#160;\&#160;" mail_to_send
+		ynh_replace_string "\t" "\&#160;\&#160;" mail_to_send
+
+		# Insert url links tags
+		ynh_replace_string "__URL_TAG1__\(.*\)__URL_TAG2__\(.*\)__URL_TAG3__" "<a href=\"\2\">\1</a>" mail_to_send
+
+		# Insert pre tags
+		ynh_replace_string "__PRE_TAG1__" "<pre>" mail_to_send
+		ynh_replace_string "__PRE_TAG2__" "<\pre>" mail_to_send
+
+		# Insert finishing HTML tags
+		echo -e "\n</body>\n</html>" >> mail_to_send
+
+	# Otherwise, remove tags to keep a plain text.
+	else
+		# Remove URL tags
+		ynh_replace_string "__URL_TAG[1,3]__" "" mail_to_send
+		ynh_replace_string "__URL_TAG2__" ": " mail_to_send
+
+		# Remove PRE tags
+		ynh_replace_string "__PRE_TAG[1-2]__" "" mail_to_send
+	fi
+
+	# Define binary to use for mail command
+	if [ -e /usr/bin/bsd-mailx ]
+	then
+		local mail_bin=/usr/bin/bsd-mailx
+	else
+		local mail_bin=/usr/bin/mail.mailutils
+	fi
+
+	if [ "$admin_mail_html" -eq 1 ]
+	then
+		content_type="text/html"
+	else
+		content_type="text/plain"
+	fi
+
+	# Send the email to the recipients
+	cat mail_to_send | $mail_bin -a "Content-Type: $content_type; charset=UTF-8" -s "$mail_subject" "$recipients"
 }
\ No newline at end of file
diff --git a/scripts/actions/change_password b/scripts/actions/change_password
new file mode 100755
index 0000000..8df1ce3
--- /dev/null
+++ b/scripts/actions/change_password
@@ -0,0 +1,56 @@
+#!/bin/bash
+
+#=================================================
+# GENERIC STARTING
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+source scripts/_common.sh
+source /usr/share/yunohost/helpers
+
+#=================================================
+# RETRIEVE ARGUMENTS
+#=================================================
+
+# Get is_public
+password=${YNH_ACTION_PASSWORD}
+hashed_password=$(echo -n $password | sha256sum | cut -d' ' -f1)
+
+app=${YNH_APP_INSTANCE_NAME:-$YNH_APP_ID}
+
+final_path=$(ynh_app_setting_get $app final_path)
+
+#=================================================
+# CHECK IF AN ACTION HAS TO BE DONE
+#=================================================
+
+hashed_password_old=$(ynh_app_setting_get $app hashed_password)
+
+if [ "$hashed_password" == "$hashed_password_old" ]
+then
+	ynh_die "Same password." 0
+fi
+
+#=================================================
+# SPECIFIC ACTION
+#=================================================
+# MOVE TO PUBLIC OR PRIVATE
+#=================================================
+
+ynh_backup_if_checksum_is_different "$final_path/lstu.conf"
+ynh_replace_string "$hashed_password_old" "$hashed_password" "${final_path}/lstu.conf"
+ynh_store_file_checksum "${final_path}/lstu.conf"
+
+# Update the config of the app
+ynh_app_setting_set $app hashed_password $hashed_password
+
+#=================================================
+# RELOAD NGINX
+#=================================================
+
+ynh_systemd_action -n $app -a reload -l "Reloaded Shortened URLs service." -p "systemd"
+
+#=================================================
+# END OF SCRIPT
+#=================================================
diff --git a/scripts/actions/change_theme b/scripts/actions/change_theme
new file mode 100755
index 0000000..d4774a6
--- /dev/null
+++ b/scripts/actions/change_theme
@@ -0,0 +1,55 @@
+#!/bin/bash
+
+#=================================================
+# GENERIC STARTING
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+source scripts/_common.sh
+source /usr/share/yunohost/helpers
+
+#=================================================
+# RETRIEVE ARGUMENTS
+#=================================================
+
+# Get is_public
+theme=${YNH_ACTION_THEME}
+
+app=${YNH_APP_INSTANCE_NAME:-$YNH_APP_ID}
+
+final_path=$(ynh_app_setting_get $app final_path)
+
+#=================================================
+# CHECK IF AN ACTION HAS TO BE DONE
+#=================================================
+
+theme_old=$(ynh_app_setting_get $app theme)
+
+if [ "$theme" == "$theme_old" ]
+then
+	ynh_die "Same theme." 0
+fi
+
+#=================================================
+# SPECIFIC ACTION
+#=================================================
+# MOVE TO PUBLIC OR PRIVATE
+#=================================================
+
+ynh_backup_if_checksum_is_different "$final_path/lstu.conf"
+ynh_replace_string "$theme_old" "$theme" "${final_path}/lstu.conf"
+ynh_store_file_checksum "${final_path}/lstu.conf"
+
+# Update the config of the app
+ynh_app_setting_set $app theme $theme
+
+#=================================================
+# RELOAD NGINX
+#=================================================
+
+ynh_systemd_action -n $app -a reload -l "Reloaded Shortened URLs service." -p "systemd"
+
+#=================================================
+# END OF SCRIPT
+#=================================================
diff --git a/scripts/actions/public_private b/scripts/actions/public_private
new file mode 100755
index 0000000..34ea183
--- /dev/null
+++ b/scripts/actions/public_private
@@ -0,0 +1,101 @@
+#!/bin/bash
+
+#=================================================
+# GENERIC STARTING
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+source scripts/_common.sh
+source /usr/share/yunohost/helpers
+
+#=================================================
+# RETRIEVE ARGUMENTS
+#=================================================
+
+# Get is_public
+is_public=${YNH_ACTION_IS_PUBLIC}
+
+app=${YNH_APP_INSTANCE_NAME:-$YNH_APP_ID}
+
+domain=$(ynh_app_setting_get $app domain)
+path_url=$(ynh_app_setting_get $app path)
+port=$(ynh_app_setting_get $app port)
+final_path=$(ynh_app_setting_get $app final_path)
+secret=$(ynh_app_setting_get $app secret)
+db_name=$(ynh_app_setting_get $app db_name)
+db_user=$db_name
+db_pwd=$(ynh_app_setting_get $app psqlpwd)
+theme=$(ynh_app_setting_get $app theme)
+hashed_password=$(ynh_app_setting_get $app hashed_password)
+
+#=================================================
+# CHECK IF ARGUMENTS ARE CORRECT
+#=================================================
+
+#=================================================
+# CHECK IF AN ACTION HAS TO BE DONE
+#=================================================
+
+is_public_old=$(ynh_app_setting_get $app is_public)
+
+if [ $is_public -eq $is_public_old ]
+then
+	ynh_die "is_public is already set as $is_public." 0
+fi
+
+#=================================================
+# SPECIFIC ACTION
+#=================================================
+# MOVE TO PUBLIC OR PRIVATE
+#=================================================
+
+ynh_backup_if_checksum_is_different "$final_path/lstu.conf"
+cp conf/lstu.conf.template "${final_path}/lstu.conf"
+ynh_replace_string "__DOMAIN__" "$domain" "${final_path}/lstu.conf"
+ynh_replace_string "__PATH__" "$path_url" "${final_path}/lstu.conf"
+ynh_replace_string "__PORT__" "$port" "${final_path}/lstu.conf"
+ynh_replace_string "__DB_NAME__" "$db_name"  "${final_path}/lstu.conf"
+ynh_replace_string "__DB_USER__" "$db_user"  "${final_path}/lstu.conf"
+ynh_replace_string "__DB_PWD__" "$db_pwd" "${final_path}/lstu.conf"
+ynh_replace_string "__SELECTED_THEME__" "$theme" "${final_path}/lstu.conf"
+ynh_replace_string "__PASSWORD_HASHED__" "$hashed_password" "${final_path}/lstu.conf"
+
+ynh_replace_string "__SECRET__" "$secret" "${final_path}/lstu.conf"
+if [ $is_public -eq 0 ];
+then
+	ynh_replace_string "__IS_PUBLIC__" "" "${final_path}/lstu.conf"
+else
+	ynh_replace_string "__IS_PUBLIC__" "#" "${final_path}/lstu.conf"
+fi
+ynh_store_file_checksum "${final_path}/lstu.conf"
+
+if [ $is_public -eq 0 ]; then
+	public_private="private"
+else
+	public_private="public"
+fi
+
+ynh_app_setting_set $app unprotected_uris "/"
+if [ $is_public -eq 0 ];
+then	# If the app is private, only the shortened URLs are publics
+	ynh_app_setting_set $app protected_regex "/login$","/logout$","/api$","/extensions$","/stats$","/d/.*$","/a$","/$"
+else
+	ynh_app_setting_delete $app protected_regex
+fi
+
+# Regen ssowat configuration
+yunohost app ssowatconf
+
+# Update the config of the app
+ynh_app_setting_set $app is_public $is_public
+
+#=================================================
+# RELOAD NGINX
+#=================================================
+
+ynh_systemd_action -n $app -a reload -l "Reloaded Shortened URLs service." -p "systemd"
+
+#=================================================
+# END OF SCRIPT
+#=================================================
diff --git a/scripts/change_url b/scripts/change_url
new file mode 100644
index 0000000..86b8c45
--- /dev/null
+++ b/scripts/change_url
@@ -0,0 +1,147 @@
+#!/bin/bash
+
+#=================================================
+# GENERIC STARTING
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+source _common.sh
+source /usr/share/yunohost/helpers
+
+#=================================================
+# RETRIEVE ARGUMENTS
+#=================================================
+
+old_domain=$YNH_APP_OLD_DOMAIN
+old_path=$YNH_APP_OLD_PATH
+
+new_domain=$YNH_APP_NEW_DOMAIN
+new_path=$YNH_APP_NEW_PATH
+
+app=$YNH_APP_INSTANCE_NAME
+
+#=================================================
+# LOAD SETTINGS
+#=================================================
+ynh_print_info "Loading installation settings..."
+
+# Needed for helper "ynh_add_nginx_config"
+final_path=$(ynh_app_setting_get $app final_path)
+
+# Needed for lstu conf
+port=$(ynh_app_setting_get $app port)
+is_public=$(ynh_app_setting_get $app is_public)
+db_name=$(ynh_app_setting_get "$app" db_name)
+db_pwd=$(ynh_app_setting_get $app psqlpwd)
+db_user=$db_name
+secret=$(ynh_app_setting_get $app secret)
+theme=$(ynh_app_setting_get $app theme)
+hashed_password=$(ynh_app_setting_get $app hashed_password)
+
+#=================================================
+# CHECK THE SYNTAX OF THE PATHS
+#=================================================
+
+test -n "$old_path" || old_path="/"
+test -n "$new_path" || new_path="/"
+new_path=$(ynh_normalize_url_path $new_path)
+old_path=$(ynh_normalize_url_path $old_path)
+
+#=================================================
+# CHECK WHICH PARTS SHOULD BE CHANGED
+#=================================================
+
+change_domain=0
+if [ "$old_domain" != "$new_domain" ]
+then
+	change_domain=1
+fi
+
+change_path=0
+if [ "$old_path" != "$new_path" ]
+then
+	change_path=1
+fi
+
+#=================================================
+# STANDARD MODIFICATIONS
+#=================================================
+# MODIFY URL IN NGINX CONF
+#=================================================
+ynh_print_info "Updating nginx web server configuration..."
+
+nginx_conf_path=/etc/nginx/conf.d/$old_domain.d/$app.conf
+
+# Change the path in the nginx config file
+if [ $change_path -eq 1 ]
+then
+	# Make a backup of the original nginx config file if modified
+	ynh_backup_if_checksum_is_different "$nginx_conf_path"
+	# Set global variables for nginx helper
+	domain="$old_domain"
+	path_url="$new_path"
+	# Create a dedicated nginx config
+	ynh_add_nginx_config
+fi
+
+# Change the domain for nginx
+if [ $change_domain -eq 1 ]
+then
+	# Delete file checksum for the old conf file location
+	ynh_delete_file_checksum "$nginx_conf_path"
+	mv $nginx_conf_path /etc/nginx/conf.d/$new_domain.d/$app.conf
+	# Store file checksum for the new config file location
+	ynh_store_file_checksum "/etc/nginx/conf.d/$new_domain.d/$app.conf"
+fi
+
+#=================================================
+# SPECIFIC MODIFICATIONS
+#=================================================
+# SETUP LSTU
+#=================================================
+ynh_print_info "Updating lstu configuration..."
+
+domain="$new_domain"
+path_url="$new_path"
+
+ynh_backup_if_checksum_is_different "$final_path/lstu.conf"
+cp ../conf/lstu.conf.template "${final_path}/lstu.conf"
+ynh_replace_string "__DOMAIN__" "$domain" "${final_path}/lstu.conf"
+ynh_replace_string "__PATH__" "$path_url" "${final_path}/lstu.conf"
+ynh_replace_string "__PORT__" "$port" "${final_path}/lstu.conf"
+ynh_replace_string "__DB_NAME__" "$db_name"  "${final_path}/lstu.conf"
+ynh_replace_string "__DB_USER__" "$db_user"  "${final_path}/lstu.conf"
+ynh_replace_string "__DB_PWD__" "$db_pwd" "${final_path}/lstu.conf"
+ynh_replace_string "__SELECTED_THEME__" "$theme" "${final_path}/lstu.conf"
+ynh_replace_string "__PASSWORD_HASHED__" "$hashed_password" "${final_path}/lstu.conf"
+
+ynh_replace_string "__SECRET__" "$secret" "${final_path}/lstu.conf"
+if [ $is_public -eq 0 ];
+then
+	ynh_replace_string "__IS_PUBLIC__" "" "${final_path}/lstu.conf"
+else
+	ynh_replace_string "__IS_PUBLIC__" "#" "${final_path}/lstu.conf"
+fi
+ynh_store_file_checksum "${final_path}/lstu.conf"
+
+#=================================================
+# GENERIC FINALISATION
+#=================================================
+# RESTART LSTU
+#=================================================
+
+ynh_systemd_action -n $app -a reload -l "Starting hot deployment for Hypnotoad server" -p "systemd"
+
+#=================================================
+# RELOAD NGINX
+#=================================================
+ynh_print_info "Reloading nginx web server..."
+
+systemctl reload nginx
+
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_print_info "Change of URL completed for $app"
diff --git a/scripts/install b/scripts/install
index 8e1cea4..6ddf10b 100644
--- a/scripts/install
+++ b/scripts/install
@@ -14,7 +14,8 @@ source /usr/share/yunohost/helpers
 #=================================================
 
 ynh_clean_setup () {
-	### Remove this function if there's nothing to clean before calling the remove script.
+	ynh_clean_check_starting
+	
 	true
 }
 # Exit if an error occurs during the execution of the script
@@ -27,20 +28,19 @@ ynh_abort_if_errors
 domain=$YNH_APP_ARG_DOMAIN
 path_url=$YNH_APP_ARG_PATH
 is_public=$YNH_APP_ARG_IS_PUBLIC
+theme=$YNH_APP_ARG_THEME
+password=$YNH_APP_ARG_PASSWORD
 
 app=$YNH_APP_INSTANCE_NAME
 
 #=================================================
 # CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
 #=================================================
+ynh_print_info "Validating installation parameters..."
 
-### If the app uses nginx as web server (written in HTML/PHP in most cases), the final path should be "/var/www/$app".
-### If the app provides an internal web server (or uses another application server such as uwsgi), the final path should be "/opt/yunohost/$app"
 final_path=/var/www/$app
 test ! -e "$final_path" || ynh_die "This path already contains a folder"
 
-domain_regex=$(echo "$domain" | sed 's@-@.@g')
-
 # Normalize the url path syntax
 path_url=$(ynh_normalize_url_path $path_url)
 
@@ -48,11 +48,11 @@ path_url=$(ynh_normalize_url_path $path_url)
 ynh_webpath_available $domain $path_url
 # Register (book) web path
 ynh_webpath_register $app $domain $path_url
-CHECK_VAR "$domain_regex" "domain_regex empty"
 
 #=================================================
 # FIND AND OPEN A PORT
 #=================================================
+ynh_print_info "Configuring firewall..."
 
 # Find a free port
 port=$(ynh_find_port 8095)
@@ -62,23 +62,29 @@ yunohost firewall allow --no-upnp TCP $port 2>&1
 #=================================================
 # STORE SETTINGS FROM MANIFEST
 #=================================================
+ynh_print_info "Storing installation settings..."
 
 ynh_app_setting_set $app domain $domain
 ynh_app_setting_set $app is_public $is_public
 ynh_app_setting_set $app port $port
 ynh_app_setting_set $app path $path_url
+ynh_app_setting_set $app theme $theme
+hashed_password=$(echo -n $password | sha256sum | cut -d' ' -f1)
+ynh_app_setting_set $app hashed_password $hashed_password
 
 #=================================================
 # INSTALL DEPENDENCIES
 #=================================================
+ynh_print_info "Installing dependencies..."
 
-ynh_install_app_dependencies build-essential libssl-dev zlib1g-dev libpng-dev libpq-dev memcached postgresql
+ynh_install_app_dependencies build-essential libssl-dev zlib1g-dev libpng-dev libpq-dev memcached postgresql cpanminus
 # Install Carton
-echo yes | cpan Carton
+echo yes | cpanm Carton
 
 #=================================================
 # CREATE A POSTGRESQL DATABASE
 #=================================================
+ynh_print_info "Creating a PostgreSQL database..."
 
 # Create postgresql database
 ynh_psql_test_if_first_run
@@ -92,6 +98,7 @@ db_pwd=$(ynh_app_setting_get $app psqlpwd) # Password created in ynh_psql_setup_
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
+ynh_print_info "Setting up source files..."
 
 ynh_app_setting_set $app final_path $final_path
 # Download, check integrity, uncompress and patch the source from app.src
@@ -100,6 +107,7 @@ ynh_setup_source "$final_path"
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
+ynh_print_info "Configuring nginx web server..."
 
 # Create a dedicated nginx config
 ynh_add_nginx_config
@@ -107,6 +115,7 @@ ynh_add_nginx_config
 #=================================================
 # CREATE DEDICATED USER
 #=================================================
+ynh_print_info "Configuring system user..."
 
 # Create a system user
 ynh_system_user_create $app
@@ -114,6 +123,7 @@ ynh_system_user_create $app
 #=================================================
 ## Copy and fix variable into lstu config
 #=================================================
+ynh_print_info "Configuring lstu..."
 
 cp ../conf/lstu.conf.template "${final_path}/lstu.conf"
 ynh_replace_string "__DOMAIN__" "$domain" "${final_path}/lstu.conf"
@@ -122,15 +132,24 @@ ynh_replace_string "__PORT__" "$port" "${final_path}/lstu.conf"
 ynh_replace_string "__DB_NAME__" "$db_name"  "${final_path}/lstu.conf"
 ynh_replace_string "__DB_USER__" "$db_user"  "${final_path}/lstu.conf"
 ynh_replace_string "__DB_PWD__" "$db_pwd" "${final_path}/lstu.conf"
+ynh_replace_string "__SELECTED_THEME__" "$theme" "${final_path}/lstu.conf"
+ynh_replace_string "__PASSWORD_HASHED__" "$hashed_password" "${final_path}/lstu.conf"
 
 secret=$(ynh_string_random 24)
 ynh_app_setting_set $app secret $secret
 ynh_replace_string "__SECRET__" "$secret" "${final_path}/lstu.conf"
+if [ $is_public -eq 0 ];
+then
+	ynh_replace_string "__IS_PUBLIC__" "" "${final_path}/lstu.conf"
+else
+	ynh_replace_string "__IS_PUBLIC__" "#" "${final_path}/lstu.conf"
+fi
 ynh_store_file_checksum "${final_path}/lstu.conf"
 
 #=================================================
 # SETUP SYSTEMD
 #=================================================
+ynh_print_info "Configuring a systemd service..."
 
 # Create a dedicated systemd config
 ynh_add_systemd_config
@@ -138,6 +157,7 @@ ynh_add_systemd_config
 #=================================================
 # Install lstu's dependencies via carton
 #=================================================
+ynh_print_info "Installing lstu..."
 
 pushd $final_path
 carton install --deployment --without=sqlite --without=mysql
@@ -146,6 +166,7 @@ popd
 #=================================================
 # SETUP LOGROTATE
 #=================================================
+ynh_print_info "Configuring log rotation..."
 
 # Use logrotate to manage application logfile(s)
 ynh_use_logrotate
@@ -154,22 +175,20 @@ ynh_use_logrotate
 # ADVERTISE SERVICE IN ADMIN PANEL
 #=================================================
 
-yunohost service add $app --log "/var/log/$app.log"
+yunohost service add $app --log "/var/log/$app.log" --log "/var/www/$app/log/production.log"
 
 #=================================================
 # SETUP SSOWAT
 #=================================================
+ynh_print_info "Configuring SSOwat..."
 
 # Make app public or private
-ynh_app_setting_set $app skipped_uris "/"
+ynh_app_setting_set $app unprotected_uris "/"
 if [ $is_public -eq 0 ];
 then	# If the app is private, only the shortened URLs are publics
-	if [ "$path_url" == "/" ]; then
-		path_url=""
-	fi
-	ynh_app_setting_set $app protected_regex "$domain_regex$path_url/login$","$domain_regex$path_url/logout$","$domain_regex$path_url/api$","$domain_regex$path_url/extensions$","$domain_regex$path_url/stats$","$domain_regex$path_url/d/.*$","$domain_regex$path_url/a$","$domain_regex$path_url/$"
+	ynh_app_setting_set $app protected_regex "/login$","/logout$","/api$","/extensions$","/stats$","/d/.*$","/a$","/$"
 else
-	ynh_replace_string "#--PRIVATE--" "" "/etc/nginx/conf.d/$domain.d/$app.conf"
+	ynh_app_setting_delete $app protected_regex
 fi
 
 #=================================================
@@ -188,6 +207,14 @@ ynh_systemd_action -n $app -a start -l "Server available at" -p "systemd"
 #=================================================
 # RELOAD NGINX
 #=================================================
+ynh_print_info "Reloading nginx web server..."
 
 # Reload Nginx
 systemctl reload nginx
+yunohost app ssowatconf
+
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_print_info "Installation of $app completed"
diff --git a/scripts/psql.sh b/scripts/psql.sh
deleted file mode 100644
index f47a1a5..0000000
--- a/scripts/psql.sh
+++ /dev/null
@@ -1,147 +0,0 @@
-#=================================================
-# POSTGRES HELPERS
-#=================================================
-
-# Open a connection as a user
-#
-# example: ynh_psql_connect_as 'user' 'pass' <<< "UPDATE ...;"
-# example: ynh_psql_connect_as 'user' 'pass' < /path/to/file.sql
-#
-# usage: ynh_psql_connect_as user pwd [db]
-# | arg: user - the user name to connect as
-# | arg: pwd - the user password
-# | arg: db - the database to connect to
-ynh_psql_connect_as() {
-	user="$1"
-	pwd="$2"
-	db="$3"
-	su --command="PGUSER=\"${user}\" PGPASSWORD=\"${pwd}\" psql \"${db}\"" postgres
-}
-
-# # Execute a command as root user
-#
-# usage: ynh_psql_execute_as_root sql [db]
-# | arg: sql - the SQL command to execute
-# | arg: db - the database to connect to
-ynh_psql_execute_as_root () {
-	sql="$1"
-	su --command="psql" postgres <<< "$sql"
-}
-
-# Execute a command from a file as root user
-#
-# usage: ynh_psql_execute_file_as_root file [db]
-# | arg: file - the file containing SQL commands
-# | arg: db - the database to connect to
-ynh_psql_execute_file_as_root() {
-	file="$1"
-	db="$2"
-	su -c "psql $db" postgres < "$file"
-}
-
-# Create a database, an user and its password. Then store the password in the app's config
-#
-# After executing this helper, the password of the created database will be available in $db_pwd
-# It will also be stored as "psqlpwd" into the app settings.
-#
-# usage: ynh_psql_setup_db user name [pwd]
-# | arg: user - Owner of the database
-# | arg: name - Name of the database
-# | arg: pwd - Password of the database. If not given, a password will be generated
-ynh_psql_setup_db () {
-	db_user="$1"
-	app="$1"
-	db_name="$2"
-	new_db_pwd=$(ynh_string_random)	# Generate a random password
-	# If $3 is not given, use new_db_pwd instead for db_pwd.
-	db_pwd="${3:-$new_db_pwd}"
-	ynh_psql_create_db "$db_name" "$db_user" "$db_pwd"	# Create the database
-	ynh_app_setting_set "$app" psqlpwd "$db_pwd"	# Store the password in the app's config
-}
-
-# Create a database and grant optionnaly privilegies to a user
-#
-# usage: ynh_psql_create_db db [user [pwd]]
-# | arg: db - the database name to create
-# | arg: user - the user to grant privilegies
-# | arg: pwd  - the user password
-ynh_psql_create_db() {
-	db="$1"
-	user="$2"
-	pwd="$3"
-	ynh_psql_create_user "$user" "$pwd"
-	su --command="createdb --owner=\"${user}\" \"${db}\"" postgres
-}
-
-# Drop a database
-#
-# usage: ynh_psql_drop_db db user
-# | arg: db - the database name to drop
-# | arg: user - the user to drop
-ynh_psql_remove_db() {
-	db="$1"
-	user="$2"
-	su --command="dropdb \"${db}\"" postgres
-	ynh_psql_drop_user "${user}"
-}
-
-# Dump a database
-#
-# example: ynh_psql_dump_db 'roundcube' > ./dump.sql
-#
-# usage: ynh_psql_dump_db db
-# | arg: db - the database name to dump
-# | ret: the psqldump output
-ynh_psql_dump_db() {
-	db="$1"
-	su --command="pg_dump \"${db}\"" postgres
-}
-
-
-# Create a user
-#
-# usage: ynh_psql_create_user user pwd [host]
-# | arg: user - the user name to create
-ynh_psql_create_user() {
-	user="$1"
-	pwd="$2"
-        su --command="psql -c\"CREATE USER ${user} WITH PASSWORD '${pwd}'\"" postgres
-}
-
-# Drop a user
-#
-# usage: ynh_psql_drop_user user
-# | arg: user - the user name to drop
-ynh_psql_drop_user() {
-	user="$1"
-	su --command="dropuser \"${user}\"" postgres
-}
-
-ynh_psql_test_if_first_run() {
-	if [ -f /etc/yunohost/psql ];
-	then
-		echo "PostgreSQL is already installed, no need to create master password"
-	else
-		pgsql=$(ynh_string_random)
-		pg_hba=""
-		echo "$pgsql" >> /etc/yunohost/psql
-
-		if [ -e /etc/postgresql/9.4/ ]
-		then
-			pg_hba=/etc/postgresql/9.4/main/pg_hba.conf
-		elif [ -e /etc/postgresql/9.6/ ]
-		then
-			pg_hba=/etc/postgresql/9.6/main/pg_hba.conf
-		else
-			ynh_die "postgresql shoud be 9.4 or 9.6"
-		fi
-
-		systemctl start postgresql
-                su --command="psql -c\"ALTER user postgres WITH PASSWORD '${pgsql}'\"" postgres
-		# we can't use peer since YunoHost create users with nologin
-		sed -i '/local\s*all\s*all\s*peer/i \
-		local all all password' "$pg_hba"
-		systemctl enable postgresql
-		systemctl reload postgresql
-	fi
-}
diff --git a/scripts/remove b/scripts/remove
index 3b3051c..c85dd20 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -12,6 +12,8 @@ source /usr/share/yunohost/helpers
 #=================================================
 # LOAD SETTINGS
 #=================================================
+ynh_print_info "Loading installation settings..."
+
 app=$YNH_APP_INSTANCE_NAME
 
 final_path=$(ynh_app_setting_get $app final_path)
@@ -36,6 +38,7 @@ fi
 #=================================================
 # STOP AND REMOVE SERVICE
 #=================================================
+ynh_print_info "Stopping and removing the systemd service"
 
 # Remove the dedicated systemd config
 ynh_remove_systemd_config
@@ -43,6 +46,7 @@ ynh_remove_systemd_config
 #=================================================
 # REMOVE APP MAIN DIR
 #=================================================
+ynh_print_info "Removing app main directory"
 
 # Remove the app directory securely
 ynh_secure_remove "$final_path"
@@ -50,6 +54,7 @@ ynh_secure_remove "$final_path"
 #=================================================
 # REMOVE NGINX CONFIGURATION
 #=================================================
+ynh_print_info "Removing nginx web server configuration"
 
 # Remove the dedicated nginx config
 ynh_remove_nginx_config
@@ -63,6 +68,7 @@ ynh_secure_remove "/var/log/$app.log"
 #=================================================
 # REMOVE LOGROTATE CONFIGURATION
 #=================================================
+ynh_print_info "Removing logrotate configuration"
 
 # Remove the app-specific logrotate config
 ynh_remove_logrotate
@@ -80,12 +86,30 @@ fi
 #=================================================
 # REMOVE DEPENDENCIES
 #=================================================
+ynh_print_info "Removing dependencies"
 
 # Remove metapackage and its dependencies
 ynh_remove_app_dependencies
 
 #=================================================
-# REMOVE THE PostgreSQL DATABASE
+# REMOVE THE POSTGRESQL DATABASE
+#=================================================
+ynh_print_info "Removing the PostgreSQL database"
+
+ynh_psql_remove_db $db_name $db_user
+
+#=================================================
+# GENERIC FINALIZATION
+#=================================================
+# REMOVE DEDICATED USER
+#=================================================
+ynh_print_info "Removing the dedicated system user"
+
+# Delete a system user
+ynh_system_user_delete $app
+
+#=================================================
+# END OF SCRIPT
 #=================================================
 
-ynh_psql_remove_db $db_name $db_user
\ No newline at end of file
+ynh_print_info "Removal of $app completed"
diff --git a/scripts/restore b/scripts/restore
index f444bdc..ff4b7c1 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -14,7 +14,8 @@ source /usr/share/yunohost/helpers
 #=================================================
 
 ynh_clean_setup () {
-	#### Remove this function if there's nothing to clean before calling the remove script.
+	ynh_clean_check_starting
+	
 	true
 }
 # Exit if an error occurs during the execution of the script
@@ -23,6 +24,7 @@ ynh_abort_if_errors
 #=================================================
 # LOAD SETTINGS
 #=================================================
+ynh_print_info "Loading settings..."
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -34,6 +36,7 @@ db_name=$(ynh_app_setting_get $app db_name)
 #=================================================
 # CHECK IF THE APP CAN BE RESTORED
 #=================================================
+ynh_print_info "Validating restoration parameters..."
 
 ynh_webpath_available $domain $path_url \
 	|| ynh_die "Path not available: ${domain}${path_url}"
@@ -45,9 +48,12 @@ test ! -d $final_path \
 #=================================================
 # REINSTALL DEPENDENCIES
 #=================================================
+ynh_print_info "Reinstalling dependencies..."
 
 # Define and install dependencies
-ynh_install_app_dependencies build-essential libssl-dev zlib1g-dev libpng-dev libpq-dev memcached postgresql
+ynh_install_app_dependencies build-essential libssl-dev zlib1g-dev libpng-dev libpq-dev memcached postgresql cpanminus
+# Install Carton
+echo yes | cpanm Carton
 
 #=================================================
 # RESTORE THE NGINX CONFIGURATION
@@ -58,23 +64,41 @@ ynh_restore_file "/etc/nginx/conf.d/$domain.d/$app.conf"
 #=================================================
 # RESTORE THE APP MAIN DIR
 #=================================================
+ynh_print_info "Restoring the app main directory..."
 
 ynh_restore_file "$final_path"
 
 #=================================================
-# RESTORE THE MYSQL DATABASE
+# RECREATE THE DEDICATED USER
 #=================================================
+ynh_print_info "Recreating the dedicated system user..."
+
+# Create the dedicated user (if not existing)
+ynh_system_user_create $app
+
+#=================================================
+# RESTORE THE POSTGRESQL DATABASE
+#=================================================
+ynh_print_info "Restoring the PostregSQL database..."
 
 db_pwd=$(ynh_app_setting_get $app psqlpwd)
 ynh_psql_test_if_first_run
 ynh_psql_setup_db $db_name $db_name $db_pwd
 ynh_psql_connect_as $db_name $db_pwd $db_name < ./db.sql
 
+#=================================================
+# RESTORE USER RIGHTS
+#=================================================
+
+# Restore permissions on app files
+chown -R www-data $final_path
+
 #=================================================
 # SPECIFIC RESTORATION
 #=================================================
 # RESTORE SYSTEMD
 #=================================================
+ynh_print_info "Restoring the systemd configuration..."
 
 ynh_restore_file "/etc/systemd/system/$app.service"
 systemctl enable $app.service
@@ -84,7 +108,7 @@ ynh_systemd_action -n $app -a start -l "Server available at" -p "systemd"
 # ADVERTISE SERVICE IN ADMIN PANEL
 #=================================================
 
-yunohost service add $app --log "/var/log/$app.log"
+yunohost service add $app --log "/var/log/$app.log" --log "/var/www/$app/log/production.log"
 
 #=================================================
 # RESTORE THE LOGROTATE CONFIGURATION
@@ -97,6 +121,13 @@ ynh_restore_file "/etc/logrotate.d/$app"
 #=================================================
 # RELOAD NGINX
 #=================================================
+ynh_print_info "Reloading nginx web server..."
 
 systemctl reload nginx
 yunohost app ssowatconf
+
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_print_info "Restoration completed for $app"
diff --git a/scripts/upgrade b/scripts/upgrade
index 04c96c8..0f1246d 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -9,20 +9,10 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# MANAGE SCRIPT FAILURE
-#=================================================
-
-ynh_clean_setup () {
-	### Remove this function if there's nothing to clean before calling the remove script.
-	true
-}
-# Exit if an error occurs during the execution of the script
-ynh_abort_if_errors
-
 #=================================================
 # LOAD SETTINGS
 #=================================================
+ynh_print_info "Loading installation settings..."
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -35,10 +25,13 @@ secret=$(ynh_app_setting_get $app secret)
 db_name=$(ynh_app_setting_get $app db_name)
 db_user=$db_name
 db_pwd=$(ynh_app_setting_get $app psqlpwd)
+theme=$(ynh_app_setting_get $app theme)
+hashed_password=$(ynh_app_setting_get $app hashed_password)
 
 #=================================================
 # FIX OLD THINGS
 #=================================================
+ynh_print_info "Ensuring downward compatibility..."
 
 if [ "$is_public" = "Yes" ]; then
 	ynh_app_setting_set $app is_public 1	# Fixe is_public en booléen
@@ -68,26 +61,73 @@ if [ -z "$db_pwd" ]; then
 	fi
 fi
 
+if [ -z "$theme" ]; then
+	theme="milligram"
+	ynh_app_setting_set $app theme $theme
+fi
+
+if [ -z "$hashed_password" ]; then
+	# Generate random password
+	password=$(ynh_string_random 8)
+	hashed_password=$(echo -n $password | sha256sum | cut -d' ' -f1)
+
+	echo "The new version of LSTU provide an admin and a stats area which required a password.
+
+This password is: $password" > mail_to_send
+
+	ynh_send_readme_to_admin --app_message="mail_to_send" --type="upgrade"
+	
+	ynh_app_setting_set $app hashed_password $hashed_password
+fi
+
+#=================================================
+# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
+#=================================================
+ynh_print_info "Backing up the app before upgrading (may take a while)..."
+
+# Backup the current version of the app
+ynh_backup_before_upgrade
+ynh_clean_setup () {
+	ynh_clean_check_starting
+	# restore it if the upgrade fails
+	ynh_restore_upgradebackup
+}
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
+
+#=================================================
+# STANDARD UPGRADE STEPS
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
+ynh_print_info "Upgrading source files..."
 
-ynh_install_app_dependencies build-essential libssl-dev zlib1g-dev libpng-dev libpq-dev memcached postgresql
+ynh_install_app_dependencies build-essential libssl-dev zlib1g-dev libpng-dev libpq-dev memcached postgresql cpanminus
 
 ynh_setup_source "$final_path"
 
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
+ynh_print_info "Upgrading nginx web server configuration..."
 
 # Create a dedicated nginx config
 ynh_add_nginx_config
 
+#=================================================
+# CREATE DEDICATED USER
+#=================================================
+ynh_print_info "Making sure dedicated system user exists..."
+
+# Create a dedicated user (if not existing)
+ynh_system_user_create $app
+
 #=================================================
 # SPECIFIC UPGRADE
 #=================================================
 # SETUP LSTU
 #=================================================
+ynh_print_info "Upgrading lstu configuration..."
 
 ynh_backup_if_checksum_is_different "$final_path/lstu.conf"
 cp ../conf/lstu.conf.template "${final_path}/lstu.conf"
@@ -97,8 +137,16 @@ ynh_replace_string "__PORT__" "$port" "${final_path}/lstu.conf"
 ynh_replace_string "__DB_NAME__" "$db_name"  "${final_path}/lstu.conf"
 ynh_replace_string "__DB_USER__" "$db_user"  "${final_path}/lstu.conf"
 ynh_replace_string "__DB_PWD__" "$db_pwd" "${final_path}/lstu.conf"
+ynh_replace_string "__SELECTED_THEME__" "$theme" "${final_path}/lstu.conf"
+ynh_replace_string "__PASSWORD_HASHED__" "$hashed_password" "${final_path}/lstu.conf"
 
 ynh_replace_string "__SECRET__" "$secret" "${final_path}/lstu.conf"
+if [ $is_public -eq 0 ];
+then
+	ynh_replace_string "__IS_PUBLIC__" "" "${final_path}/lstu.conf"
+else
+	ynh_replace_string "__IS_PUBLIC__" "#" "${final_path}/lstu.conf"
+fi
 ynh_store_file_checksum "${final_path}/lstu.conf"
 
 #=================================================
@@ -110,6 +158,7 @@ chown -R www-data $final_path
 #=================================================
 # SETUP SYSTEMD
 #=================================================
+ynh_print_info "Upgrading systemd configuration..."
 
 # Create a dedicated systemd config
 ynh_add_systemd_config
@@ -125,9 +174,10 @@ popd
 #=================================================
 # SETUP LOGROTATE
 #=================================================
+ynh_print_info "Upgrading logrotate configuration..."
 
-# Use logrotate to manage application logfile(s)
-ynh_use_logrotate
+# Use logrotate to manage app-specific logfile(s)
+ynh_use_logrotate --non-append
 
 #=================================================
 # ADVERTISE SERVICE IN ADMIN PANEL
@@ -139,27 +189,32 @@ yunohost service add $app --log "/var/log/$app.log"
 # RESTART LSTU
 #=================================================
 
-ynh_systemd_action -n $app -a reload -l "Starting hot deployment for Hypnotoad server" -p "systemd"
+ynh_systemd_action -n $app -a reload -l "Reloaded Shortened URLs service." -p "systemd"
 
 #=================================================
 # SETUP SSOWAT
 #=================================================
+ynh_print_info "Upgrading SSOwat configuration..."
 
 # Make app public or private
-ynh_app_setting_set $app skipped_uris "/"
+ynh_app_setting_set $app unprotected_uris "/"
 if [ $is_public -eq 0 ];
 then	# If the app is private, only the shortened URLs are publics
-	if [ "$path_url" == "/" ]; then
-		path_url=""
-	fi
-	ynh_app_setting_set $app protected_regex "$domain$path_url/login$","$domain$path_url/logout$","$domain$path_url/api$","$domain$path_url/extensions$","$domain$path_url/stats$","$domain$path_url/d/.*$","$domain$path_url/a$","$domain$path_url/$"
+	ynh_app_setting_set $app protected_regex "/login$","/logout$","/api$","/extensions$","/stats$","/d/.*$","/a$","/$"
 else
-	ynh_replace_string "#--PRIVATE--" "" "/etc/nginx/conf.d/$domain.d/$app.conf"
+	ynh_app_setting_delete $app protected_regex
 fi
 
 #=================================================
 # RELOAD NGINX
 #=================================================
+ynh_print_info "Reloading nginx web server..."
 
 systemctl reload nginx
 yunohost app ssowatconf
+
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_print_info "Upgrade of $app completed"
diff --git a/sources/ajouts/script/lstu b/sources/ajouts/script/lstu
deleted file mode 100644
index 900de99..0000000
--- a/sources/ajouts/script/lstu
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/usr/bin/env perl
-
-use strict;
-use warnings;
-
-use FindBin;
-BEGIN { unshift @INC, "$FindBin::Bin/../lib" }
-BEGIN { unshift @INC, "$FindBin::Bin/../local/lib/perl5" }
-
-# Start command line interface for application
-require Mojolicious::Commands;
-Mojolicious::Commands->start_app('Mounter');