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Last active July 16, 2017 18:40
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Debian refusing to upgrade because of udev...
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fixdebianupgrade.md

If you recently tried to update a Debian-based box and during the upgrade got these two messages, among others:

insserv: Service mountkernfs has to be enabled to start service udev
update-rc.d: error: insserv rejected the script header

Then this is what will help you get the upgrade done:

  1. Edit /etc/init.d/udev and remove mountkernfs from the line starting with Required-Start:, keep the rest of the line though
  2. Do your apt upgrade
  3. Put the mountkernfs back where it was.
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