#format wiki
#language en
= Linux systemd startup and process monitoring =
 * Links [[https://www.freedesktop.org/software/systemd/man/bootup.html|systemd bootup flow]]

 * User startup scripts in
   1. $ ls /etc/systemd/system/
   2. $ 

== View process logs with jounalctl ==
 * Links [[https://www.digitalocean.com/community/tutorials/how-to-use-journalctl-to-view-and-manipulate-systemd-logs|digitalocean]]
 * Set timezone for log display using 
   * $ timedatectl list-timezones
   * $ sudo timedatectl set-timezone zone
   * $ timedatectl status

   * only logs for current boot / since last reboot
     * $ journalctl -b
     * $ journalctl --list-boots
     * $ journalctl --since "2015-01-10" --until "2015-01-11 03:00"
     * $ journalctl --since 09:00 --until "1 hour ago"

   * journalctl -u nginx.service -u php-fpm.service --since today


== Refresh filesystems after updating /etc/fstab ==
 * # systemctl daemon-reload
 * # systemctl restart remote-fs.target
 * # systemctl restart local-fs.target




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