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iSOFTLinux System Update Daemon WorkFlow

iSOFTLinux System Update daemon workflow

DISADVANTAGE of installing Update packages during libraries and services that are currently running:

  • command line reboot or poweroff will break the update workflow;
  • hardware turn off computer will break too;
  • conflicts with running services.

Thanks for systemd Offline System Updates, isoft-update-client daemon does not need to use systemd-logind Inhibit, but use powerful

iSOFTLinux Offline System Update

ADVANTAGE of systemd offline system update:

  • systemd booted into special with a few of services started;
  • it will goto special target time and time again (without removing the symlink) if break the workflow;
  • remove symlink after update, then reboot to normal;
  • textmode UI with update percentage.

Testcase for ArchLinux

Change update script to your own

$ mkdir /usr/lib/systemd/system/
$ touch /usr/lib/systemd/system/isoft-offline-update.service
$ ln -s /usr/lib/systemd/system/isoft-offline-update.service /usr/lib/systemd/system/


Description=Updates the operating system whilst offline                            


simple isoft-offline-update script:

sleep 13
plymouth display-message --text="iSOFTLinux Offline System Updating..."
sleep 13
plymouth display-message --text="Updated successfully, rebooting..."
rm /system-update

PackageKit provides nicely formatted output offline update please fork it for your own system update flow ;-)