31-05-2020

docs/Distributions/Mint/systemctl.md

@@ -8,7 +8,7 @@
 To list  systemd services we will use systemctl command as below
 # systemctl list-unit-files
 
-To list active systemd services run
+Lister tous les services actifs
 # systemctl | more
 
 # systemctl list-units --type service
@@ -19,11 +19,17 @@ You can pipe the output to grep to search a more specific service as shown below
 To check the services alongside the ports they are listening.
 # netstat -pnltu
 
-For example, to check if OpenSSH is running on your system, run
+
+Savoir si le service est actif
+# systemctl is-active sshd
+
+Connaitre le status dans service (affiche plud d'info que is-active)
 # systemctl status sshd
 
-Alternatively, you can use the syntax below to check if the service is active
-# systemctl is-active sshd
+Savoir si le service a eu un problème au démarrage
+# systemctl is-failed sshd
+
+
 
 o check if OpenSSH is enabled, run
 # systemctl is-enabled sshd
@@ -34,5 +40,48 @@ check the status of OpenSSH, run
 
 You can also check all services by running
 # chkconfig --list
+
+
+Activer un service au démarrage
+# systemctl enable sshd
+
+Désactiver un service au démarrage
+# systemctl disable sshd
+
+
+Démarrer un service
+# systemctl start sshd
+
+Arreter un service
+# systemctl stop sshd
+
+Redémarrer un service
+# systemctl restart sshd
+
+Recharger la configuraation d'un service
+# systemctl reload sshd
+
+
+Voir la configuration d'un service
+# systemctl cat sshd
+
+Propriétés d'un service
+# systemctl show sshd
+
+Editer un service
+# systemctl edit sshd
+
+Masquer un service, c'est à dire d'empêcher le démarrage manuel et automatique de l'unité. Il suffit alors de la démasquer pour pouvoir l'utiliser à nouveau
+# systemctl mask httpd.service
+Created symlink from /etc/systemd/system/httpd.service to /dev/null.
+# systemctl start httpd.service
+Failed to start httpd.service: Unit is masked.
+# systemctl unmask httpd.service
+Removed symlink /etc/systemd/system/httpd.service.
+# systemctl start httpd.service
+
+Afficher les dépendances d'un service
+# systemctl list-dependencies sshd.service
 ```
 
+https://www.digitalocean.com/community/tutorials/how-to-use-systemctl-to-manage-systemd-services-and-units