diff --git a/scripts/_common.sh b/scripts/_common.sh
index 567bcb9..7bd3665 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -67,3 +67,20 @@ ynh_clean_setup () {
 	pkill -f ccnet-server
 	pkill -f "seahub"
 }
+
+# Reload (or other actions) a service and print a log in case of failure.
+#
+# usage: system_reload service_name [action]
+# | arg: service_name - Name of the service to reload
+# | arg: action - Action to perform with systemctl. Default: reload
+system_reload () {
+    local service_name=$1
+    local action=${2:-reload}
+
+    # Reload, restart or start and print the log if the service fail to start or reload
+    systemctl $action $service_name || (
+        journalctl --lines=20 -u $service_name >&2
+        tail -n 50 $final_path/logs/*.log
+        false
+    )
+}
diff --git a/scripts/change_url b/scripts/change_url
index 095919b..f7f19ab 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -61,6 +61,11 @@ ynh_add_nginx_config 'seahub_port fileserver_port webdav_port'
 
 # Stop service before any change
 sudo systemctl stop seafile-server.service
+sleep 2
+pkill -f seafile-controller || true
+pkill -f seaf-server || true
+pkill -f ccnet-server || true
+pkill -f seahub || true
 
 # Update Seafile Config
 ynh_replace_string "SERVICE_URL = https://$old_domain$old_path" "SERVICE_URL = https://$domain$path_url" $final_path/conf/ccnet.conf
@@ -136,8 +141,8 @@ mysql_relpace_db seahubdb two_factor_totpdevice user
 mysql_relpace_db seahubdb wiki_personalwiki username
 
 # Avoid the current effect
-sleep 5
+sleep 2
 
 # Reload services
 sudo systemctl reload nginx.service
-ynh_system_reload seafile-server start
\ No newline at end of file
+system_reload seafile-server start
\ No newline at end of file
diff --git a/scripts/experimental_helper.sh b/scripts/experimental_helper.sh
index f4c9ee7..d4e73f5 100644
--- a/scripts/experimental_helper.sh
+++ b/scripts/experimental_helper.sh
@@ -127,16 +127,3 @@ ynh_delete_file_checksum () {
 	local checksum_setting_name=checksum_${1//[\/ ]/_}	# Replace all '/' and ' ' by '_'
 	ynh_app_setting_delete $app $checksum_setting_name
 }
-
-# Reload (or other actions) a service and print a log in case of failure.
-#
-# usage: ynh_system_reload service_name [action]
-# | arg: service_name - Name of the service to reload
-# | arg: action - Action to perform with systemctl. Default: reload
-ynh_system_reload () {
-        local service_name=$1
-        local action=${2:-reload}
-
-        # Reload, restart or start and print the log if the service fail to start or reload
-        systemctl $action $service_name || ( journalctl --lines=20 -u $service_name >&2 && false)
-}
diff --git a/scripts/install b/scripts/install
index 2999cb5..13a36e0 100644
--- a/scripts/install
+++ b/scripts/install
@@ -191,4 +191,4 @@ sleep 2
 pkill -f seafile-controller || true
 pkill -f seaf-server || true
 
-ynh_system_reload seafile-server start
\ No newline at end of file
+system_reload seafile-server start
\ No newline at end of file
diff --git a/scripts/restore b/scripts/restore
index 3e1f831..6a770e4 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -72,4 +72,4 @@ systemctl reload nginx.service
 # Enable service and start seafile
 systemctl daemon-reload
 update-rc.d seafile-server defaults
-ynh_system_reload seafile-server start
\ No newline at end of file
+system_reload seafile-server start
\ No newline at end of file
diff --git a/scripts/upgrade b/scripts/upgrade
index 61b3b53..a140667 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -31,6 +31,11 @@ get_configuration
 
 # stop seafile server
 systemctl stop seafile-server.service
+sleep 2
+pkill -f seafile-controller || true
+pkill -f seaf-server || true
+pkill -f ccnet-server || true
+pkill -f seahub || true
 
 #=================================================
 # MIGRATION FROM OLD VERSION
@@ -163,7 +168,7 @@ ynh_secure_remove /tmp/seahub_cache
 
 # restart seafile server
 sleep 5
-ynh_system_reload seafile-server start
+system_reload seafile-server start
 
 # remove old version files
 ls $final_path | grep "seafile-server-" | egrep -v "(${seafile_version//./\\.})|(latest)" | \