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linux:systemd [2017/05/16 08:53] – [info/status] niziaklinux:systemd [2024/02/09 19:24] (current) – niziak
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 +====== systemd ======
 +
 +  * [[https://www.freedesktop.org/software/systemd/man/latest/bootup.html|bootup — System bootup process]]
 +
 ===== HowTo ===== ===== HowTo =====
 ==== start / stop ==== ==== start / stop ====
 +Rerun all generators, reload all unit files and recreate dependency tree:
 <code bash> <code bash>
 systemctl daemon-reload systemctl daemon-reload
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 TimeoutStartSec=15 TimeoutStartSec=15
 </file> </file>
 +
 +====== Issues ======
 +
 +===== init.d services not started =====
 +
 +<code>
 +systemd-sysv-generator[320]: stat() failed on /etc/init.d/traccar, ignoring: No such file or directory
 +systemd-sysv-generator[320]: stat() failed on /etc/init.d/ts3server, ignoring: No such file or directory
 +systemd-sysv-generator[320]: stat() failed on /etc/init.d/miio_server, ignoring: No such file or directory
 +</code>
 +
 +Reason is that some init scripts are symlinked to files located in **/opt** directory, which is a different FS (in this case BTRFS subvolume), and it was not mounted when **systemd-sysv-generator** was started.
 +
 +**Solution:**
 +[[https://access.redhat.com/solutions/3094591|How to mount non-root filesystem before systemd-sysv-generator runs?]]
 +
 +> Under systemd-enabled systems, there's a new-with-systemd mount-option you can place in ''/etc/fstab'' — **x-initrd.mount**. 
 +> You also need to make sure that your filesystem's fs_passno is set to "0" ...and if your filesystem lives on an LVM2 volume, you need to update your GRUB2 config to ensure that the LVM gets onlined prior to systemd invoking the systemd-sysv-generator utility
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