diff --git a/conf/common.php b/conf/common.php
index 66d0b33..2068012 100644
--- a/conf/common.php
+++ b/conf/common.php
@@ -3,9 +3,9 @@
 return [
     'components' => [
 		'db' => [
-            'dsn' => 'mysql:host=localhost;dbname=DBNAME_TO_CHANGE',
-            'username' => 'DBUSER_TO_CHANGE',
-            'password' => 'DBPASS_TO_CHANGE',
+            'dsn' => 'mysql:host=localhost;dbname=__DB_NAME__',
+            'username' => '__DB_USER__',
+            'password' => '__DB_PWD__',
         ],
     ]
 ];
diff --git a/conf/cron b/conf/cron
new file mode 100644
index 0000000..ac9af3a
--- /dev/null
+++ b/conf/cron
@@ -0,0 +1,2 @@
+* * * * * /usr/bin/php__PHPVERSION__  __FINALPATH__/protected/yii queue/run >/dev/null 2>&1
+* * * * * /usr/bin/php__PHPVERSION__  __FINALPATH__/protected/yii cron/run >/dev/null 2>&1
\ No newline at end of file
diff --git a/conf/ldap.sql b/conf/ldap.sql
index 12429c2..58820ec 100644
--- a/conf/ldap.sql
+++ b/conf/ldap.sql
@@ -15,5 +15,4 @@ REPLACE INTO setting (`name`, `value`, `module_id`) VALUES
 ('auth.allowGuestAccess', '0', 'user'),
 ('auth.internalUsersCanInvite', '0', 'user');
 
-UPDATE `user` SET `auth_mode` = 'ldap' WHERE `user`.`username` = 'YNH_ADMIN_USER';
-
+UPDATE `user` SET `auth_mode` = 'ldap' WHERE `user`.`username` = '__ADMIN__';
diff --git a/scripts/backup b/scripts/backup
index a3b93f1..5ea23bb 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -1,26 +1,84 @@
 #!/bin/bash
 
-# Exit on command errors and treat unset variables as an error
-set -eu
+#=================================================
+# 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 /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 --message="Loading installation settings..."
 
 app=$YNH_APP_INSTANCE_NAME
 
-# Source YunoHost helpers
-	source /usr/share/yunohost/helpers
+final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+domain=$(ynh_app_setting_get --app=$app --key=domain)
+db_name=$(ynh_app_setting_get --app=$app --key=db_name)
+phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
-# Backup sources & data
-	ynh_backup "/var/www/${app}" "sources"
-	ynh_backup "/etc/cron.d/${app}" "cron"
+#=================================================
+# DECLARE DATA AND CONF FILES TO BACKUP
+#=================================================
+ynh_print_info --message="Declaring files to be backed up..."
 
-# MySQL
-	dbname=$app
-	dbuser=$app
-	dbpass=$(ynh_app_setting_get "$app" mysqlpwd)
-	mysqldump -u "$dbuser" -p"$dbpass" --no-create-db "$dbname" > ./dump.sql
+#=================================================
+# BACKUP THE APP MAIN DIR
+#=================================================
 
-# Copy NGINX configuration
-	domain=$(ynh_app_setting_get "$app" domain)
-	ynh_backup "/etc/nginx/conf.d/${domain}.d/${app}.conf" "nginx.conf"
+ynh_backup --src_path="$final_path"
 
-# Copy PHP-FPM configuration
-	ynh_backup "/etc/php5/fpm/pool.d/${app}.conf" "php-fpm.conf"
+#=================================================
+# BACKUP THE NGINX CONFIGURATION
+#=================================================
+
+ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"
+
+#=================================================
+# BACKUP THE PHP-FPM CONFIGURATION
+#=================================================
+
+ynh_backup --src_path="/etc/php/$phpversion/fpm/pool.d/$app.conf"
+
+#=================================================
+# SPECIFIC BACKUP
+#=================================================
+# BACKUP SYSTEMD
+#=================================================
+
+ynh_backup --src_path="/etc/systemd/system/$app.service"
+
+#=================================================
+# BACKUP VARIOUS FILES
+#=================================================
+
+ynh_backup --src_path="/etc/cron.d/$app"
+
+#=================================================
+# BACKUP THE MYSQL DATABASE
+#=================================================
+ynh_print_info --message="Backing up the MySQL database..."
+
+ynh_mysql_dump_db --database="$db_name" > db.sql
+
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_print_info --message="Backup script completed for $app. (YunoHost will then actually copy those files to the archive)."
diff --git a/scripts/install b/scripts/install
index 8880bb2..4da467a 100644
--- a/scripts/install
+++ b/scripts/install
@@ -1,45 +1,271 @@
 #!/bin/bash
 
-# Exit on command errors and treat unset variables as an error
-set -eu
+#=================================================
+# GENERIC START
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+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
+
+#=================================================
+# RETRIEVE ARGUMENTS FROM THE MANIFEST
+#=================================================
+
+domain=$YNH_APP_ARG_DOMAIN
+path_url=$YNH_APP_ARG_PATH
+admin=$YNH_APP_ARG_ADMIN
+is_public=$YNH_APP_ARG_IS_PUBLIC
 
 app=$YNH_APP_INSTANCE_NAME
-version=$(cat ../sources/version)
-source='https://sourceforge.net/projects/humhub/files/'
 
-# Retrieve arguments
-	domain=$YNH_APP_ARG_DOMAIN
-	path=$YNH_APP_ARG_PATH
-	admin=$YNH_APP_ARG_ADMIN
-	is_public=$YNH_APP_ARG_IS_PUBLIC
+#=================================================
+# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
+#=================================================
+ynh_script_progression --message="Validating installation parameters..." --time --weight=1
 
-# Source YunoHost helpers
-	source /usr/share/yunohost/helpers
-	source ./_extrahelpers
+final_path=/var/www/$app
+test ! -e "$final_path" || ynh_die --message="This path already contains a folder"
+
+# Register (book) web path
+ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url
+
+#=================================================
+# STORE SETTINGS FROM MANIFEST
+#=================================================
+ynh_script_progression --message="Storing installation settings..." --time --weight=1
+
+ynh_app_setting_set --app=$app --key=domain --value=$domain
+ynh_app_setting_set --app=$app --key=path --value=$path_url
+ynh_app_setting_set --app=$app --key=admin --value=$admin
+
+#=================================================
+# STANDARD MODIFICATIONS
+#=================================================
+# FIND AND OPEN A PORT
+#=================================================
+ynh_script_progression --message="Finding an available port..." --time --weight=1
+
+# Find an available port
+port=$(ynh_find_port --port=8095)
+ynh_app_setting_set --app=$app --key=port --value=$port
+
+#=================================================
+# INSTALL DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Installing dependencies..." --time --weight=1
+
+ynh_install_app_dependencies $pkg_dependencies
+
+#=================================================
+# CREATE A MYSQL DATABASE
+#=================================================
+ynh_script_progression --message="Creating a MySQL database..." --time --weight=1
+
+db_name=$(ynh_sanitize_dbid --db_name=$app)
+db_user=$db_name
+ynh_app_setting_set --app=$app --key=db_name --value=$db_name
+ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name
+
+#=================================================
+# DOWNLOAD, CHECK AND UNPACK SOURCE
+#=================================================
+ynh_script_progression --message="Setting up source files..." --time --weight=1
+
+ynh_app_setting_set --app=$app --key=final_path --value=$final_path
+# Download, check integrity, uncompress and patch the source from app.src
+ynh_setup_source --dest_dir="$final_path"
+
+#=================================================
+# NGINX CONFIGURATION
+#=================================================
+ynh_script_progression --message="Configuring NGINX web server..." --time --weight=1
+
+# Create a dedicated NGINX config
+ynh_add_nginx_config
+
+#=================================================
+# CREATE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Configuring system user..." --time --weight=1
+
+# Create a system user
+ynh_system_user_create --username=$app
+
+#=================================================
+# PHP-FPM CONFIGURATION
+#=================================================
+ynh_script_progression --message="Configuring PHP-FPM..." --time --weight=1
+
+# Create a dedicated PHP-FPM config
+ynh_add_fpm_config --package="$extra_php_dependencies"
+phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
+
+#=================================================
+# SPECIFIC SETUP
+#=================================================
+# ...
+#=================================================
+
+#=================================================
+# SETUP APPLICATION WITH CURL
+#=================================================
+
+### Use these lines only if the app installation needs to be finalized through
+### web forms. We generally don't want to ask the final user,
+### so we're going to use curl to automatically fill the fields and submit the
+### forms.
+
+# Set right permissions for curl install
+chown -R $app: $final_path
+
+# Set the app as temporarily public for curl call
+ynh_script_progression --message="Configuring SSOwat..." --time --weight=1
+# Making the app public for curl
+ynh_permission_update --permission="main" --add="visitors"
+# Reload SSOwat config
+yunohost app ssowatconf
+
+# Reload NGINX
+ynh_systemd_action --service_name=nginx --action=reload
+
+# Installation with curl
+ynh_script_progression --message="Finalizing installation..." --time --weight=1
+ynh_local_curl "/INSTALL_PATH" "key1=value1" "key2=value2" "key3=value3"
+
+# Remove the public access
+ynh_permission_update --permission="main" --remove="visitors"
+
+#=================================================
+# MODIFY A CONFIG FILE
+#=================================================
+
+ynh_add_config --template="../conf/common.php" --destination="$final_path/protected/config/common.php"
+
+ynh_replace_string --match_string="match_string" --replace_string="replace_string" --target_file="$final_path/CONFIG_FILE"
+
+#=================================================
+# STORE THE CONFIG FILE CHECKSUM
+#=================================================
+
+### `ynh_store_file_checksum` is used to store the checksum of a file.
+### That way, during the upgrade script, by using `ynh_backup_if_checksum_is_different`,
+### you can make a backup of this file before modifying it again if the admin had modified it.
+
+# Calculate and store the config file checksum into the app settings
+ynh_store_file_checksum --file="$final_path/CONFIG_FILE"
+
+#=================================================
+# GENERIC FINALIZATION
+#=================================================
+# SECURE FILES AND DIRECTORIES
+#=================================================
+
+# Set permissions to app files
+chown -R www-data: $final_path
+
+#=================================================
+# SETUP LOGROTATE
+#=================================================
+ynh_script_progression --message="Configuring log rotation..." --time --weight=1
+
+### `ynh_use_logrotate` is used to configure a logrotate configuration for the logs of this app.
+### Use this helper only if there is effectively a log file for this app.
+### If you're not using this helper:
+###		- Remove the section "BACKUP LOGROTATE" in the backup script
+###		- Remove also the section "REMOVE LOGROTATE CONFIGURATION" in the remove script
+###		- As well as the section "RESTORE THE LOGROTATE CONFIGURATION" in the restore script
+###		- And the section "SETUP LOGROTATE" in the upgrade script
+
+# Use logrotate to manage application logfile(s)
+ynh_use_logrotate
+
+#=================================================
+# INTEGRATE SERVICE IN YUNOHOST
+#=================================================
+ynh_script_progression --message="Integrating service in YunoHost..." --time --weight=1
+
+yunohost service add $app --description="A short description of the app" --log="/var/log/$app/$app.log"
+
+### Additional options starting with 3.8:
+###
+### --needs_exposed_ports "$port" a list of ports that needs to be publicly exposed
+###                               which will then be checked by YunoHost's diagnosis system
+###                               (N.B. DO NOT USE THIS is the port is only internal!!!)
+###
+### --test_status "some command"  a custom command to check the status of the service
+###                               (only relevant if 'systemctl status' doesn't do a good job)
+###
+### --test_conf "some command"    some command similar to "nginx -t" that validates the conf of the service
+###
+### Re-calling 'yunohost service add' during the upgrade script is the right way
+### to proceed if you later realize that you need to enable some flags that
+### weren't enabled on old installs (be careful it'll override the existing
+### service though so you should re-provide all relevant flags when doing so)
+
+#=================================================
+# START SYSTEMD SERVICE
+#=================================================
+ynh_script_progression --message="Starting a systemd service..." --time --weight=1
+
+### `ynh_systemd_action` is used to start a systemd service for an app.
+### Only needed if you have configure a systemd service
+### If you're not using these lines:
+###		- Remove the section "STOP SYSTEMD SERVICE" and "START SYSTEMD SERVICE" in the backup script
+###		- As well as the section "START SYSTEMD SERVICE" in the restore script
+###		- As well as the section"STOP SYSTEMD SERVICE" and "START SYSTEMD SERVICE" in the upgrade script
+###		- And the section "STOP SYSTEMD SERVICE" and "START SYSTEMD SERVICE" in the change_url script
+
+# Start a systemd service
+ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
+
+#=================================================
+# SETUP FAIL2BAN
+#=================================================
+ynh_script_progression --message="Configuring Fail2Ban..." --time --weight=1
+
+# Create a dedicated Fail2Ban config
+ynh_add_fail2ban_config --logpath="/var/log/nginx/${domain}-error.log" --failregex="Regex to match into the log for a failed login"
+
+#=================================================
+# SETUP SSOWAT
+#=================================================
+ynh_script_progression --message="Configuring permissions..." --time --weight=1
+
+# Make app public if necessary
+if [ $is_public -eq 1 ]
+then
+	ynh_permission_update --permission="main" --add="visitors"
+fi
+
+#=================================================
+# RELOAD NGINX
+#=================================================
+ynh_script_progression --message="Reloading NGINX web server..." --time --weight=1
+
+ynh_systemd_action --service_name=nginx --action=reload
+
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_script_progression --message="Installation of $app completed" --last
 
-# Correct path: puts a / at the start and nothing at the end
-	if [ "${path:0:1}" != "/" ]; then
-		path="/$path"
-	fi
-	if [ "${path:${#path}-1}" == "/" ] && [ ${#path} -gt 1 ]; then
-		path="${path:0:${#path}-1}"
-	fi
 
-# Check domain/path availability
-	sudo yunohost app checkurl "${domain}${path}" -a "$app" \
-		|| ynh_die "Path not available: ${domain}${path}"
 
-# Check admin user parameter
-	ynh_user_exists "$admin" \
-	  || ynh_die "The chosen admin user does not exist"
-	ynh_app_setting_set "$app" admin "$admin"
 
-# Copy source files
-	src_path=/var/www/$app
-	sudo mkdir -p $src_path
-	sudo wget -q "${source}humhub-${version}.zip/download" -O humhub-${version}.zip
-	sudo unzip -qq humhub-${version}.zip
-	sudo cp -a humhub-${version}/. $src_path
 
 # Hotfixes
 	# Fix LDAP email. See https://github.com/humhub/humhub/issues/1949
@@ -49,19 +275,7 @@ source='https://sourceforge.net/projects/humhub/files/'
 	sudo sed -i "s@defined('YII_DEBUG') or define('YII_DEBUG', true);@//defined('YII_DEBUG') or define('YII_DEBUG', true);@g" $src_path/index.php
 	sudo sed -i "s@defined('YII_ENV') or define('YII_ENV', 'dev');@//defined('YII_ENV') or define('YII_ENV', 'dev');@g" $src_path/index.php
 
-# MySQL
-	dbuser=$app
-	dbname=$app
-	dbpass=$(ynh_string_random 12)
-	ynh_app_setting_set "$app" mysqlpwd "$dbpass"
-	ynh_mysql_create_db "$dbname" "$dbuser" "$dbpass"
-	
-# Conf
-	app_conf=../conf/common.php
-	sed -i "s@DBNAME_TO_CHANGE@$dbname@g" $app_conf
-	sed -i "s@DBUSER_TO_CHANGE@$dbuser@g" $app_conf
-	sed -i "s@DBPASS_TO_CHANGE@$dbpass@g" $app_conf
-	sudo cp $app_conf $src_path/protected/config/common.php
+
 
 # Set permissions to app files
 	sudo chown -R www-data: $src_path
@@ -72,24 +286,6 @@ source='https://sourceforge.net/projects/humhub/files/'
 	sudo mv cron /etc/cron.d/${app}
 	sudo chown root /etc/cron.d/${app}
 
-# Modify Nginx configuration file and copy it to Nginx conf directory
-	nginx_conf=../conf/nginx.conf
-	sed -i "s@YNH_WWW_PATH@${path:-/}@g" $nginx_conf
-	sed -i "s@YNH_WWW_ALIAS@$src_path/@g" $nginx_conf
-	sed -i "s@YNH_WWW_APP@$app@g" $nginx_conf
-	sudo cp $nginx_conf /etc/nginx/conf.d/$domain.d/$app.conf
-
-# PHP
-	sed -i "s@YNH_WWW_APP@$app@g" ../conf/php-fpm.conf
-	sed -i "s@YNH_WWW_ALIAS@$src_path/@g" ../conf/php-fpm.conf
-	finalphpconf=/etc/php5/fpm/pool.d/$app.conf
-	sudo cp ../conf/php-fpm.conf $finalphpconf
-	sudo chown root: $finalphpconf
-	sudo chmod 644 $finalphpconf
-
-# Reload services
-	sudo service php5-fpm reload
-	sudo service nginx reload
 
 # Install
 	# Disable SSO
@@ -125,11 +321,6 @@ source='https://sourceforge.net/projects/humhub/files/'
 
 	# Populate the LDAP parameters
 	sed -i "s@YNH_ADMIN_USER@$admin@g" ../conf/ldap.sql
-	mysql -u ${dbuser} -p${dbpass} ${dbname} < ../conf/ldap.sql
+	mysql -u $db_user -p${db_pwd} $db_name < ../conf/ldap.sql
+
 
-	# Enable SSO if chosen by the user
-	if [ $is_public = 0 ];
-	then
-	  	ynh_app_setting_delete $app unprotected_uris
-		sudo yunohost app ssowatconf
-	fi
diff --git a/scripts/remove b/scripts/remove
index 3ca064d..9b4acfd 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -1,30 +1,104 @@
 #!/bin/bash
-set -u
+
+#=================================================
+# GENERIC START
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+source _common.sh
+source /usr/share/yunohost/helpers
+
+#=================================================
+# LOAD SETTINGS
+#=================================================
+ynh_script_progression --message="Loading installation settings..." --time --weight=1
 
 app=$YNH_APP_INSTANCE_NAME
 
-# Source YunoHost helpers
-	source /usr/share/yunohost/helpers
+domain=$(ynh_app_setting_get --app=$app --key=domain)
+port=$(ynh_app_setting_get --app=$app --key=port)
+db_name=$(ynh_app_setting_get --app=$app --key=db_name)
+db_user=$db_name
+final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 
-# Retrieve app settings
-	domain=$(ynh_app_setting_get "$app" domain)
+#=================================================
+# STANDARD REMOVE
+#=================================================
+# REMOVE SERVICE INTEGRATION IN YUNOHOST
+#=================================================
 
-# Remove sources
-	sudo rm -rf /var/www/$app
-	sudo rm -f /etc/cron.d/$app
+# Remove the service from the list of services known by YunoHost (added from `yunohost service add`)
+if ynh_exec_warn_less yunohost service status $app >/dev/null
+then
+	ynh_script_progression --message="Removing $app service integration..." --time --weight=1
+	yunohost service remove $app
+fi
 
-# Remove nginx configuration file
-	sudo rm -f /etc/nginx/conf.d/$domain.d/$app.conf
+#=================================================
+# REMOVE THE MYSQL DATABASE
+#=================================================
+ynh_script_progression --message="Removing the MySQL database..." --time --weight=1
 
-# Remove PHP-FPM configuration file
-	sudo rm -f /etc/php5/fpm/pool.d/$app.conf
+# Remove a database if it exists, along with the associated user
+ynh_mysql_remove_db --db_user=$db_user --db_name=$db_name
 
-# MySQL
-	dbname=$app
-	dbuser=$app
-	ynh_mysql_drop_db "$dbname" || true
-	ynh_mysql_drop_user "$dbuser" || true
+#=================================================
+# REMOVE DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Removing dependencies..." --time --weight=1
 
-# Reload services
-	sudo service php5-fpm reload
-	sudo service nginx reload
+# Remove metapackage and its dependencies
+ynh_remove_app_dependencies
+
+#=================================================
+# REMOVE APP MAIN DIR
+#=================================================
+ynh_script_progression --message="Removing app main directory..." --time --weight=1
+
+# Remove the app directory securely
+ynh_secure_remove --file="$final_path"
+
+#=================================================
+# REMOVE NGINX CONFIGURATION
+#=================================================
+ynh_script_progression --message="Removing NGINX web server configuration..." --time --weight=1
+
+# Remove the dedicated NGINX config
+ynh_remove_nginx_config
+
+#=================================================
+# REMOVE PHP-FPM CONFIGURATION
+#=================================================
+ynh_script_progression --message="Removing PHP-FPM configuration..." --time --weight=1
+
+# Remove the dedicated PHP-FPM config
+ynh_remove_fpm_config
+
+#=================================================
+# SPECIFIC REMOVE
+#=================================================
+# REMOVE VARIOUS FILES
+#=================================================
+
+# Remove a cron file
+ynh_secure_remove --file="/etc/cron.d/$app"
+
+# Remove the log files
+ynh_secure_remove --file="/var/log/$app/"
+
+#=================================================
+# GENERIC FINALIZATION
+#=================================================
+# REMOVE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Removing the dedicated system user..." --time --weight=1
+
+# Delete a system user
+ynh_system_user_delete --username=$app
+
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_script_progression --message="Removal of $app completed" --time --last