diff --git a/README.md b/README.md
index c02ca3b..ac83478 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ A Yunohost package for [Mattermost](http://www.mattermost.org/), an open-source,
 Mattermost requires:
 
 * A x86_64 system (check with `uname -m`),
-* Yunohost 2.7 or higher (check in Yunohost Admin panel),
+* Yunohost 3.2 or higher (check in Yunohost Admin panel),
 * MySQL 5.6 or higher, or MariaDB 10 or higher (check with `mysql --version`).
 
 ## Installing
diff --git a/scripts/install b/scripts/install
index 5df8433..226b97c 100644
--- a/scripts/install
+++ b/scripts/install
@@ -107,7 +107,7 @@ ynh_app_setting_set "$app" mysqlpwd "$db_password"
 
 mattermost_user="$app"
 mattermost_user_password=$(dd if=/dev/urandom bs=1 count=200 2> /dev/null | tr -c -d 'A-Za-z0-9' | sed -n 's/\(.\{24\}\).*/\1/p')
-sudo useradd -M --shell /bin/false -p $(openssl passwd -1 "$mattermost_user_password") "$mattermost_user"
+useradd -M --shell /bin/false -p $(openssl passwd -1 "$mattermost_user_password") "$mattermost_user"
 ynh_app_setting_set "$app" smtppwd "$mattermost_user_password"
 
 #=================================================
@@ -117,36 +117,36 @@ ynh_app_setting_set "$app" smtppwd "$mattermost_user_password"
 ynh_app_setting_set "$app" final_path "$final_path"
 ynh_setup_source "$final_path"
 
-sudo mkdir -p "$data_path"
-sudo mkdir -p "$logs_path"
+mkdir -p "$data_path"
+mkdir -p "$logs_path"
 
 #=================================================
 # EDIT MATTERMOST CONFIG
 #=================================================
 
 # Configure Service Settings
-sudo sed -i "s|\"SiteURL\": \"\"|\"SiteURL\": \"https://${domain}${path_url}\"|g"          $final_path/config/config.json
-sudo sed -i "s|\"ListenAddress\": \".*\"|\"ListenAddress\": \"127.0.0.1:${port}\"|g"       $final_path/config/config.json
+sed -i "s|\"SiteURL\": \"\"|\"SiteURL\": \"https://${domain}${path_url}\"|g"          $final_path/config/config.json
+sed -i "s|\"ListenAddress\": \".*\"|\"ListenAddress\": \"127.0.0.1:${port}\"|g"       $final_path/config/config.json
 # Configure the database connection
 db_connection_url="${db_user}:${db_password}@tcp(127.0.0.1:3306)/${db_name}?charset=utf8mb4,utf8"
-sudo sed -i "s|\"DataSource\": \".*\"|\"DataSource\": \"${db_connection_url}\"|g"          $final_path/config/config.json
+sed -i "s|\"DataSource\": \".*\"|\"DataSource\": \"${db_connection_url}\"|g"          $final_path/config/config.json
 # Configure uploaded files directory
-sudo sed -i "s|\"Directory\": \"./data/\"|\"Directory\": \"${data_path}/\"|g"              $final_path/config/config.json
+sed -i "s|\"Directory\": \"./data/\"|\"Directory\": \"${data_path}/\"|g"              $final_path/config/config.json
 # Configure SMTP account for sending email notifications
-sudo sed -i "s|\"SendEmailNotifications\": false|\"SendEmailNotifications\": true|g"       $final_path/config/config.json
-sudo sed -i "s|\"FeedbackName\": \"\"|\"FeedbackName\": \"Mattermost notification\"|g"     $final_path/config/config.json
-sudo sed -i "s|\"FeedbackEmail\": \"\"|\"FeedbackEmail\": \"no-reply@${domain}\"|g"        $final_path/config/config.json
-sudo sed -i "s|\"SMTPUsername\": \"\"|\"SMTPUsername\": \"${mattermost_user}\"|g"          $final_path/config/config.json
-sudo sed -i "s|\"SMTPPassword\": \"\"|\"SMTPPassword\": \"${mattermost_user_password}\"|g" $final_path/config/config.json
-sudo sed -i "s|\"SMTPServer\": \"\"|\"SMTPServer\": \"localhost\"|g"                       $final_path/config/config.json
-sudo sed -i "s|\"SMTPPort\": \"\"|\"SMTPPort\": \"25\"|g"                                  $final_path/config/config.json
+sed -i "s|\"SendEmailNotifications\": false|\"SendEmailNotifications\": true|g"       $final_path/config/config.json
+sed -i "s|\"FeedbackName\": \"\"|\"FeedbackName\": \"Mattermost notification\"|g"     $final_path/config/config.json
+sed -i "s|\"FeedbackEmail\": \"\"|\"FeedbackEmail\": \"no-reply@${domain}\"|g"        $final_path/config/config.json
+sed -i "s|\"SMTPUsername\": \"\"|\"SMTPUsername\": \"${mattermost_user}\"|g"          $final_path/config/config.json
+sed -i "s|\"SMTPPassword\": \"\"|\"SMTPPassword\": \"${mattermost_user_password}\"|g" $final_path/config/config.json
+sed -i "s|\"SMTPServer\": \"\"|\"SMTPServer\": \"localhost\"|g"                       $final_path/config/config.json
+sed -i "s|\"SMTPPort\": \"\"|\"SMTPPort\": \"25\"|g"                                  $final_path/config/config.json
 # Disable Mattermost debug console by default
-sudo sed -i "s|\"EnableConsole\": true|\"EnableConsole\": false|g"                         $final_path/config/config.json
+sed -i "s|\"EnableConsole\": true|\"EnableConsole\": false|g"                         $final_path/config/config.json
 # Configure log file location
-sudo sed -i "s|\"FileLocation\": \"\"|\"FileLocation\": \"$logs_path\"|g"                  $final_path/config/config.json
+sed -i "s|\"FileLocation\": \"\"|\"FileLocation\": \"$logs_path\"|g"                  $final_path/config/config.json
 # Configure analytics according to user choice
 if [ $analytics -eq 0 ]; then
-    sudo sed -i "s|\"EnableDiagnostics\": true|\"EnableDiagnostics\": false|g"             $final_path/config/config.json
+    sed -i "s|\"EnableDiagnostics\": true|\"EnableDiagnostics\": false|g"             $final_path/config/config.json
 fi
 ynh_app_setting_set "$app" analytics "$analytics"
 
@@ -154,9 +154,9 @@ ynh_app_setting_set "$app" analytics "$analytics"
 # SECURE FILES AND DIRECTORIES
 #=================================================
 
-sudo chown -R "$mattermost_user:www-data" "$final_path"
-sudo chown -R "$mattermost_user:www-data" "$data_path"
-sudo chown -R "$mattermost_user:adm"      "$logs_path"
+chown -R "$mattermost_user:www-data" "$final_path"
+chown -R "$mattermost_user:www-data" "$data_path"
+chown -R "$mattermost_user:adm"      "$logs_path"
 
 #=================================================
 # NGINX CONFIGURATION
@@ -174,7 +174,7 @@ ynh_add_systemd_config
 # ADVERTISE SERVICE IN ADMIN PANEL
 #=================================================
 
-sudo yunohost service add "$app" --log "$logs_path/mattermost.log"
+yunohost service add "$app" --log "$logs_path/mattermost.log"
 
 #=================================================
 # SETUP SSOWAT
@@ -191,13 +191,13 @@ fi
 # RELOAD NGINX
 #=================================================
 
-sudo systemctl reload nginx
+systemctl reload nginx
 
 #=================================================
 # START SERVER
 #=================================================
 
-sudo systemctl start "$app"
+systemctl start "$app"
 
 #=================================================
 # CREATE ADMIN AND FIRST TEAM
@@ -207,10 +207,10 @@ admin_username=$(cut -d @ -f 1 <<< "$admin_email")
 team_name=$(echo "$team_display_name" | iconv -f utf8 -t ascii//TRANSLIT//IGNORE | sed -e 's/[^[:alnum:]]/-/g' | tr -s '-' | tr A-Z a-z)
 
 cd "$final_path/bin"
-sudo ./mattermost user create --username "$admin_username" --email "$admin_email" --password "$admin_password" --locale "$admin_locale" --system_admin
-sudo ./mattermost user verify "$admin_username"
-sudo ./mattermost team create --name "$team_name" --display_name "$team_display_name" --email "$admin_email"
-sudo ./mattermost team add "$team_name" "$admin_username"
+./mattermost user create --username "$admin_username" --email "$admin_email" --password "$admin_password" --locale "$admin_locale" --system_admin
+./mattermost user verify "$admin_username"
+./mattermost team create --name "$team_name" --display_name "$team_display_name" --email "$admin_email"
+./mattermost team add "$team_name" "$admin_username"
 
 ynh_app_setting_set "$app" admin_email "$admin_email"
 ynh_app_setting_set "$app" admin_locale "$admin_locale"
diff --git a/scripts/remove b/scripts/remove
index fb9dbda..349c576 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -29,8 +29,8 @@ logs_path="/var/log/$app"
 # REMOVE SERVICE FROM ADMIN PANEL
 #=================================================
 
-if sudo yunohost service status | grep -q "$app"; then
-  sudo yunohost service remove "$app"
+if yunohost service status | grep -q "$app"; then
+  yunohost service remove "$app"
 fi
 
 #=================================================
@@ -38,15 +38,15 @@ fi
 #=================================================
 
 # Remove systemd service
-if $(sudo systemctl -q is-active "$app"); then
-  sudo systemctl stop "$app"
+if $(systemctl -q is-active "$app"); then
+  systemctl stop "$app"
 fi
 ynh_remove_systemd_config
 
 # Legacy, for older versions of this app which used supervisor
 if [ -f "/etc/supervisor/conf.d/${app}.conf" ]; then
-  sudo supervisorctl stop "$app"
-  sudo ynh_secure_remove --file="/etc/supervisor/conf.d/${app}.conf"
+  supervisorctl stop "$app"
+  ynh_secure_remove --file="/etc/supervisor/conf.d/${app}.conf"
 fi
 
 #=================================================
@@ -72,7 +72,7 @@ ynh_remove_nginx_config
 # REMOVE LOG FILE
 #=================================================
 
-sudo ynh_secure_remove --file="$logs_path"
+ynh_secure_remove --file="$logs_path"
 
 #=================================================
 # REMOVE DEDICATED USER
diff --git a/scripts/restore b/scripts/restore
index 7aab3b3..a4257ce 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -82,13 +82,13 @@ fi
 #=================================================
 
 # Restore permissions on app files
-sudo chown -R "$mattermost_user:www-data" "$final_path"
+chown -R "$mattermost_user:www-data" "$final_path"
 
 mkdir -p "$data_path"
-sudo chown -R "$mattermost_user:www-data" "$data_path"
+chown -R "$mattermost_user:www-data" "$data_path"
 
 mkdir -p "$logs_path"
-sudo chown -R "$mattermost_user:adm" "$logs_path"
+chown -R "$mattermost_user:adm" "$logs_path"
 
 #=================================================
 # RESTORE SSOWAT
@@ -109,13 +109,13 @@ fi
 #=================================================
 
 ynh_restore_file "/etc/systemd/system/$app.service"
-sudo systemctl enable "$app"
+systemctl enable "$app"
 
 #=================================================
 # ADVERTISE SERVICE IN ADMIN PANEL
 #=================================================
 
-sudo yunohost service add "$app" --log "$logs_path/mattermost.log"
+yunohost service add "$app" --log "$logs_path/mattermost.log"
 
 #=================================================
 # GENERIC FINALIZATION
@@ -123,10 +123,10 @@ sudo yunohost service add "$app" --log "$logs_path/mattermost.log"
 # RELOAD NGINX
 #=================================================
 
-sudo service nginx reload
+service nginx reload
 
 #=================================================
 # START SERVER
 #=================================================
 
-sudo systemctl start "$app"
+systemctl start "$app"
diff --git a/scripts/upgrade b/scripts/upgrade
index a09df26..0e0b1c4 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -51,8 +51,8 @@ fi
 ynh_clean_setup () {
   if [ "$can_restore_backup" = true ]; then
     # Stop attempting to restart the app
-    if $(sudo systemctl -q is-active "$app"); then
-      sudo systemctl stop "$app"
+    if $(systemctl -q is-active "$app"); then
+      systemctl stop "$app"
     fi
     # Restore the backup
     ynh_restore_upgradebackup
@@ -60,7 +60,7 @@ ynh_clean_setup () {
   else
     # Backup restoration is not available:
     # let's try at least to restart the server.
-    sudo systemctl start "$app"
+    systemctl start "$app"
   fi
 }
 
@@ -72,14 +72,14 @@ ynh_abort_if_errors
 #=================================================
 
 # Stop the server (if the app is already using systemd)
-if $(sudo systemctl -q is-active "$app"); then
-  sudo systemctl stop "$app"
+if $(systemctl -q is-active "$app"); then
+  systemctl stop "$app"
 fi
 
 # Legacy, for previous versions of this app which used supervisor
 if [ -f "/etc/supervisor/conf.d/${app}.conf" ]; then
-  sudo supervisorctl stop "$app"
-  sudo rm -f "/etc/supervisor/conf.d/${app}.conf"
+  supervisorctl stop "$app"
+  rm -f "/etc/supervisor/conf.d/${app}.conf"
 fi
 
 #=================================================
@@ -89,7 +89,7 @@ fi
 config_file="$final_path/config/config.json"
 backup_config_file="/tmp/config.json"
 
-sudo cp -f "$config_file" "$backup_config_file"
+cp -f "$config_file" "$backup_config_file"
 
 #=================================================
 # MIGRATE SETTINGS FROM PREVIOUS VERSIONS
@@ -120,7 +120,7 @@ ynh_setup_source "$final_path"
 # RESTORE CONFIGURATION FILE
 #=================================================
 
-sudo cp -f "$backup_config_file" "$config_file"
+cp -f "$backup_config_file" "$config_file"
 
 #=================================================
 # NGINX CONFIGURATION
@@ -138,7 +138,7 @@ ynh_add_systemd_config
 # ADVERTISE SERVICE IN ADMIN PANEL
 #=================================================
 
-sudo yunohost service add "$app" --log "$logs_path/mattermost.log"
+yunohost service add "$app" --log "$logs_path/mattermost.log"
 
 #=================================================
 # SPECIFIC UPGRADE STEPS
@@ -146,32 +146,32 @@ sudo yunohost service add "$app" --log "$logs_path/mattermost.log"
 
 # Fix log FileLocation path (changed in Mattermost 3.8, makes Mattermost >= 4.2 crash)
 # https://docs.mattermost.com/administration/changelog.html#release-v3-8-3
-sudo sed -i "s|\"FileLocation\": \"/var/log/mattermost.log\"|\"FileLocation\": \"/var/log\"|g" "$config_file"
+sed -i "s|\"FileLocation\": \"/var/log/mattermost.log\"|\"FileLocation\": \"/var/log\"|g" "$config_file"
 
 # Move log files to a directory (rather than directly in /var/log)
 # See https://github.com/YunoHost-Apps/mattermost_ynh/issues/61
-sudo mkdir -p "$logs_path"
-sudo sed -i "s|\"FileLocation\": \"/var/log\"|\"FileLocation\": \"$logs_path\"|g" "$config_file"
+mkdir -p "$logs_path"
+sed -i "s|\"FileLocation\": \"/var/log\"|\"FileLocation\": \"$logs_path\"|g" "$config_file"
 if [ -f "/var/log/${app}.log" ]; then
-  sudo mv "/var/log/${app}.log" "$logs_path/"
+  mv "/var/log/${app}.log" "$logs_path/"
 fi
 
 #=================================================
 # RESTORE FILE PERMISSIONS
 #=================================================
 
-sudo chown -R "$mattermost_user:www-data" "$final_path"
-sudo chown -R "$mattermost_user:www-data" "$data_path"
-sudo chown -R "$mattermost_user:adm"      "$logs_path"
+chown -R "$mattermost_user:www-data" "$final_path"
+chown -R "$mattermost_user:www-data" "$data_path"
+chown -R "$mattermost_user:adm"      "$logs_path"
 
 #=================================================
 # RELOAD NGINX
 #=================================================
 
-sudo service nginx reload
+service nginx reload
 
 #=================================================
 # START SERVER
 #=================================================
 
-sudo systemctl start "$app"
+systemctl start "$app"