diff --git a/scripts/backup b/scripts/backup
index 27e6444..3b36061 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -1,7 +1,5 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC START
 #=================================================
 # IMPORT GENERIC HELPERS
 #=================================================
@@ -10,32 +8,6 @@
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# MANAGE SCRIPT FAILURE
-#=================================================
-
-#REMOVEME? ynh_clean_setup () {
-	ynh_clean_check_starting
-}
-# Exit if an error occurs during the execution of the script
-#REMOVEME? ynh_abort_if_errors
-
-#=================================================
-# LOAD SETTINGS
-#=================================================
-#REMOVEME? ynh_print_info --message="Loading installation settings..."
-
-#REMOVEME? app=$YNH_APP_INSTANCE_NAME
-
-#REMOVEME? #REMOVEME? install_dir=$(ynh_app_setting_get --app=$app --key=install_dir)
-#REMOVEME? domain=$(ynh_app_setting_get --app=$app --key=domain)
-
-#=================================================
-# STOP SYSTEMD SERVICE
-#=================================================
-
-ynh_systemd_action --service_name=$app --action="stop" --line_match="Stopped" --log_path="systemd"
-
 #=================================================
 # DECLARE DATA AND CONF FILES TO BACKUP
 #=================================================
@@ -48,19 +20,11 @@ ynh_print_info --message="Declaring files to be backed up..."
 ynh_backup --src_path="$install_dir" --not_mandatory
 
 #=================================================
-# BACKUP THE NGINX CONFIGURATION
+# BACKUP THE SYSTEM CONFIGURATION
 #=================================================
 
 ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 
-#=================================================
-# SPECIFIC BACKUP
-#=================================================
-# START SYSTEMD SERVICE
-#=================================================
-
-ynh_systemd_action --service_name=$app --action="restart" --line_match="Started" --log_path="systemd"
-
 #=================================================
 # END OF SCRIPT
 #=================================================
diff --git a/scripts/change_url b/scripts/change_url
index 5016a21..1232e75 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -1,7 +1,5 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC STARTING
 #=================================================
 # IMPORT GENERIC HELPERS
 #=================================================
@@ -9,70 +7,12 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# RETRIEVE ARGUMENTS
-#=================================================
-
-#REMOVEME? old_domain=$YNH_APP_OLD_DOMAIN
-#REMOVEME? old_path=$YNH_APP_OLD_PATH
-
-#REMOVEME? new_domain=$YNH_APP_NEW_DOMAIN
-#REMOVEME? new_path=$YNH_APP_NEW_PATH
-
-#REMOVEME? app=$YNH_APP_INSTANCE_NAME
-
-#=================================================
-# LOAD SETTINGS
-#=================================================
-#REMOVEME? ynh_script_progression --message="Loading installation settings..."
-
-#REMOVEME? # Needed for helper "ynh_add_nginx_config"
-#REMOVEME? #REMOVEME? install_dir=$(ynh_app_setting_get --app=$app --key=install_dir)
-
-#REMOVEME? port=$(ynh_app_setting_get --app=$app --key=port)
-
-#=================================================
-# BACKUP BEFORE CHANGE URL THEN ACTIVE TRAP
-#=================================================
-#REMOVEME? ynh_script_progression --message="Backing up the app before changing its URL (may take a while)..."
-
-# Backup the current version of the app
-#REMOVEME? ynh_backup_before_upgrade
-#REMOVEME? ynh_clean_setup () {
-	#REMOVEME? ynh_clean_check_starting
-	# Remove the new domain config file, the remove script won't do it as it doesn't know yet its location.
-#REMOVEME? 	ynh_secure_remove --file="/etc/nginx/conf.d/$new_domain.d/$app.conf"
-
-	# Restore it if the upgrade fails
-#REMOVEME? 	ynh_restore_upgradebackup
-}
-# Exit if an error occurs during the execution of the script
-#REMOVEME? ynh_abort_if_errors
-
-#=================================================
-# CHECK WHICH PARTS SHOULD BE CHANGED
-#=================================================
-
-#REMOVEME? change_domain=0
-#REMOVEME? if [ "$old_domain" != "$new_domain" ]
-then
-	#REMOVEME? change_domain=1
-fi
-
-#REMOVEME? change_path=0
-#REMOVEME? if [ "$old_path" != "$new_path" ]
-then
-	#REMOVEME? change_path=1
-fi
-
-#=================================================
-# STANDARD MODIFICATIONS
 #=================================================
 # STOP SYSTEMD SERVICE
 #=================================================
 ynh_script_progression --message="Stopping a systemd service..."
 
-ynh_systemd_action --service_name=$app --action="stop" --line_match="Stopped" --log_path="systemd"
+ynh_systemd_action --service_name=$app --action="stop" --log_path="systemd"
 
 #=================================================
 # MODIFY URL IN NGINX CONF
@@ -81,56 +21,24 @@ ynh_script_progression --message="Updating NGINX web server configuration..."
 
 ynh_change_url_nginx_config
 
-#REMOVEME? nginx_conf_path=/etc/nginx/conf.d/$old_domain.d/$app.conf
-
-# Change the path in the NGINX config file
-if [ $change_path -eq 1 ]
-then
-	# Make a backup of the original NGINX config file if modified
-#REMOVEME? 	ynh_backup_if_checksum_is_different --file="$nginx_conf_path"
-	# Set global variables for NGINX helper
-#REMOVEME? 	domain="$old_domain"
-#REMOVEME? 	path="$new_path"
-	# Create a dedicated NGINX config
-#REMOVEME? 	ynh_add_nginx_config
-fi
-
-# Change the domain for NGINX
-if [ $change_domain -eq 1 ]
-then
-	# Delete file checksum for the old conf file location
-#REMOVEME? 	ynh_delete_file_checksum --file="$nginx_conf_path"
-#REMOVEME? 	mv $nginx_conf_path /etc/nginx/conf.d/$new_domain.d/$app.conf
-	# Store file checksum for the new config file location
-#REMOVEME? 	ynh_store_file_checksum --file="/etc/nginx/conf.d/$new_domain.d/$app.conf"
-fi
-
-#=================================================
-# SPECIFIC MODIFICATIONS
 #=================================================
 # MODIFY JENKINS SETUP
 #=================================================
 ynh_script_progression --message="Updating Jenkins setup..."
 
-ynh_replace_string --match_string="Environment=\"JENKINS_PREFIX=$old_path\"" --replace_string="Environment=\"JENKINS_PREFIX=$new_path\"" --target_file="/lib/systemd/system/jenkins.service"
+ynh_replace_string --target_file="/lib/systemd/system/jenkins.service" \
+    --match_string="Environment=\"JENKINS_PREFIX=$old_path\"" \
+    --replace_string="Environment=\"JENKINS_PREFIX=$new_path\""
+
 systemctl daemon-reload --quiet
 
-#=================================================
-# GENERIC FINALISATION
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Starting a systemd service..."
+ynh_script_progression --message="Starting $app's systemd service..." --weight=1
 
 # Start a systemd service
-ynh_systemd_action --service_name=$app --action="start" --line_match="Started" --log_path="systemd"
-
-#=================================================
-# RELOAD NGINX
-#=================================================
-#REMOVEME? ynh_script_progression --message="Reloading NGINX web server..."
-
-#REMOVEME? #REMOVEME? ynh_systemd_action --service_name=nginx --action=reload
+ynh_systemd_action --service_name="$app" --action="start" --log_path="systemd"
 
 #=================================================
 # END OF SCRIPT
diff --git a/scripts/install b/scripts/install
index 525b909..396a233 100644
--- a/scripts/install
+++ b/scripts/install
@@ -1,13 +1,10 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC START
 #=================================================
 # IMPORT GENERIC HELPERS
 #=================================================
 
 source _common.sh
-source ynh_send_readme_to_admin__2
 source /usr/share/yunohost/helpers
 
 #=================================================
@@ -15,7 +12,7 @@ source /usr/share/yunohost/helpers
 #=================================================
 
 jenkins_version=$(ynh_app_upstream_version)
-ynh_app_setting_set --app=$app --key=overwrite_nginx --value=1
+ynh_app_setting_set --app="$app" --key="overwrite_nginx" --value="1"
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
@@ -29,8 +26,6 @@ ynh_setup_source --source_id="jenkins-plugin-manager" --dest_dir="$install_dir"
 chmod -R o-rwx "$install_dir"
 chown -R "$app:$app" "$install_dir"
 
-#=================================================
-# SPECIFIC SETUP
 #=================================================
 # INSTALL JENKINS
 #=================================================
@@ -59,7 +54,7 @@ ynh_replace_string --target_file="/lib/systemd/system/jenkins.service" \
     --replace_string="Environment=\"JENKINS_PORT=$port\"\nEnvironment=\"JENKINS_PREFIX=$path\""
 systemctl daemon-reload --quiet
 
-ynh_systemd_action --service_name="$app" --action="restart" --line_match="Started" --log_path="systemd"
+ynh_systemd_action --service_name="$app" --action="restart" --log_path="systemd"
 
 if [[ $dpkg_install_failed -ge 1 ]]; then
     dpkg --configure -a
@@ -129,7 +124,7 @@ yunohost service add "$app" --description="Jenkins Continuous Integration Server
 ynh_script_progression --message="Starting a systemd service..."
 
 # Start a systemd service
-ynh_systemd_action --service_name="$app" --action="restart" --line_match="Started" --log_path="systemd"
+ynh_systemd_action --service_name="$app" --action="restart" --log_path="systemd"
 
 #=================================================
 # END OF SCRIPT
diff --git a/scripts/remove b/scripts/remove
index 4f6c8b7..05e04f1 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -1,7 +1,5 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC START
 #=================================================
 # IMPORT GENERIC HELPERS
 #=================================================
@@ -19,7 +17,7 @@ if ynh_exec_warn_less yunohost service status "$app" >/dev/null; then
     yunohost service remove "$app"
 fi
 
-ynh_systemd_action --service_name="$app" --action="stop" --line_match="Stopped" --log_path="systemd"
+ynh_systemd_action --service_name="$app" --action="stop" --log_path="systemd"
 
 # Remove the dedicated NGINX config
 ynh_remove_nginx_config
diff --git a/scripts/restore b/scripts/restore
index ef942d7..b50f757 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -1,75 +1,21 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC START
 #=================================================
 # IMPORT GENERIC HELPERS
 #=================================================
 
 # Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
 source ../settings/scripts/_common.sh
-source ../settings/scripts/ynh_send_readme_to_admin__2
 source /usr/share/yunohost/helpers
 
 #=================================================
-# MANAGE SCRIPT FAILURE
+# RESTORE THE APP MAIN DIR
 #=================================================
+ynh_script_progression --message="Restoring the app main directory..." --weight=1
 
-#REMOVEME? ynh_clean_setup () {
-	# Clean installation remaining that are not handle by the remove script.
-	ynh_clean_check_starting
-	# Stop change_port()
-	ynh_exec_warn_less kill -s 15 $pid_change_port
-}
-# Exit if an error occurs during the execution of the script
-#REMOVEME? ynh_abort_if_errors
+ynh_restore_file --origin_path="$install_dir" --not_mandatory
 
-#=================================================
-# LOAD SETTINGS
-#=================================================
-#REMOVEME? ynh_script_progression --message="Loading installation settings..."
-
-#REMOVEME? app=$YNH_APP_INSTANCE_NAME
-
-#REMOVEME? domain=$(ynh_app_setting_get --app=$app --key=domain)
-#REMOVEME? path=$(ynh_app_setting_get --app=$app --key=path)
-#REMOVEME? #REMOVEME? install_dir=$(ynh_app_setting_get --app=$app --key=install_dir)
-#REMOVEME? port=$(ynh_app_setting_get --app=$app --key=port)
-
-#=================================================
-# CHECK IF THE APP CAN BE RESTORED
-#=================================================
-#REMOVEME? ynh_script_progression --message="Validating restoration parameters..."
-
-#REMOVEME? test ! -d $install_dir \
-	|| ynh_die --message="There is already a directory: $install_dir "
-
-#=================================================
-# STANDARD RESTORATION STEPS
-#=================================================
-# RECREATE THE DEDICATED USER
-#=================================================
-#REMOVEME? ynh_script_progression --message="Recreating the dedicated system user..."
-
-# Create the dedicated user (if not existing)
-#REMOVEME? ynh_system_user_create --username=$app --home_dir="$install_dir"
-
-#=================================================
-# SPECIFIC RESTORATION
-#=================================================
-# REINSTALL DEPENDENCIES
-#=================================================
-#REMOVEME? ynh_script_progression --message="Reinstalling dependencies..."
-
-# Define and install dependencies
-#REMOVEME? ynh_install_app_dependencies $pkg_dependencies
-
-#=================================================
-# RESTORE THE NGINX CONFIGURATION
-#=================================================
-ynh_script_progression --message="Restoring the NGINX web server configuration..."
-
-ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
+chown -R "$app:www-data" "$install_dir"
 
 #=================================================
 # INSTALL JENKINS
@@ -83,55 +29,29 @@ dpkg --install --force-confnew ../conf/jenkins.deb
 #=================================================
 # SETUP APPLICATION
 #=================================================
-ynh_script_progression --message="Setuping application..."
+ynh_script_progression --message="Setting up $app's service..."
 
-ynh_replace_string --match_string="Environment=\"JENKINS_PORT=8080\"" --replace_string="Environment=\"JENKINS_PORT=$port\"\nEnvironment=\"JENKINS_PREFIX=$path\"" --target_file="/lib/systemd/system/jenkins.service"
+ynh_replace_string --target_file="/lib/systemd/system/jenkins.service" \
+    --match_string="Environment=\"JENKINS_PORT=8080\"" \
+    --replace_string="Environment=\"JENKINS_PORT=$port\"\nEnvironment=\"JENKINS_PREFIX=$path\""
 
 systemctl daemon-reload --quiet
 
-ynh_systemd_action --service_name=$app --action="restart" --line_match="Started" --log_path="systemd"
+#=================================================
+# RESTORE SYSTEM CONFIGURATIONS
+#=================================================
+ynh_script_progression --message="Restoring system configurations related to $app..." --weight=1
+
+ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
+
+yunohost service add "$app" --description="Jenkins Continuous Integration Server"
 
 #=================================================
-# RESTORE THE APP MAIN DIR
+# RELOAD NGINX AND PHP-FPM OR THE APP SERVICE
 #=================================================
-ynh_script_progression --message="Restoring the app main directory..."
+ynh_script_progression --message="Reloading NGINX web server and $app's service..." --weight=1
 
-ynh_restore_file --origin_path="$install_dir" --not_mandatory
-
-#=================================================
-# INTEGRATE SERVICE IN YUNOHOST
-#=================================================
-ynh_script_progression --message="Integrating service in YunoHost..."
-
-yunohost service add $app --description="Jenkins Continuous Integration Server"
-
-#=================================================
-# START SYSTEMD SERVICE
-#=================================================
-ynh_script_progression --message="Starting a systemd service..."
-
-ynh_systemd_action --service_name=$app --action="restart" --line_match="Started" --log_path="systemd"
-
-#=================================================
-# SEND A README FOR THE ADMIN
-#=================================================
-
-# Get main domain and buid the url of the admin panel of the app.
-admin_panel="https://$(grep portal_domain /etc/ssowat/conf.json | cut -d'"' -f4)/yunohost/admin/#/apps/$app"
-
-echo "You can configure this app easily by using the experimental __URL_TAG1__config-panel feature__URL_TAG2__$admin_panel/config-panel__URL_TAG3__.
-You can also find some specific actions for this app by using the experimental __URL_TAG1__action feature__URL_TAG2__$admin_panel/actions__URL_TAG3__.
-
-If you're facing an issue or want to improve this app, please open a new issue in this __URL_TAG1__project__URL_TAG2__https://github.com/YunoHost-Apps/jenkins_ynh__URL_TAG3__." > mail_to_send
-
-ynh_send_readme_to_admin --app_message="mail_to_send" --recipients="root" --type=restore
-
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# RELOAD NGINX
-#=================================================
-ynh_script_progression --message="Reloading NGINX web server..."
+ynh_systemd_action --service_name="$app" --action="restart" --log_path="systemd"
 
 ynh_systemd_action --service_name=nginx --action=reload
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 3a16436..6c657f2 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -1,23 +1,18 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC START
 #=================================================
 # IMPORT GENERIC HELPERS
 #=================================================
 
 source _common.sh
-source ynh_send_readme_to_admin__2
 source /usr/share/yunohost/helpers
 
-#=================================================
-# STANDARD UPGRADE STEPS
 #=================================================
 # STOP SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Stopping a systemd service..."
+ynh_script_progression --message="Stopping $app's systemd service..."
 
-ynh_systemd_action --service_name="$app" --action="stop" --line_match="Stopped" --log_path="systemd"
+ynh_systemd_action --service_name="$app" --action="stop" --log_path="systemd"
 
 #=================================================
 # ENSURE DOWNWARD COMPATIBILITY
@@ -68,7 +63,7 @@ ynh_replace_string --target_file="/lib/systemd/system/jenkins.service" \
     --replace_string="Environment=\"JENKINS_PORT=$port\"\nEnvironment=\"JENKINS_PREFIX=$path\""
 systemctl daemon-reload --quiet
 
-ynh_systemd_action --service_name="$app" --action="restart" --line_match="Started" --log_path="systemd"
+ynh_systemd_action --service_name="$app" --action="restart" --log_path="systemd"
 
 #=================================================
 # UPGRADE PLUGINS
@@ -99,9 +94,9 @@ yunohost service add "$app" --description="Jenkins Continuous Integration Server
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Starting a systemd service..."
+ynh_script_progression --message="Starting $app's systemd service..."
 
-ynh_systemd_action --service_name="$app" --action="restart" --line_match="Started" --log_path="systemd"
+ynh_systemd_action --service_name="$app" --action="restart" --log_path="systemd"
 
 #=================================================
 # END OF SCRIPT
diff --git a/scripts/ynh_send_readme_to_admin__2 b/scripts/ynh_send_readme_to_admin__2
deleted file mode 100644
index 8b1edf1..0000000
--- a/scripts/ynh_send_readme_to_admin__2
+++ /dev/null
@@ -1,123 +0,0 @@
-#!/bin/bash
-
-# 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 $app.
-
-$(cat "$app_message")"
-
-	# Store the message into a file for further modifications.
-	echo "$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 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
-	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"
-}