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Sometimes old computers are not updated quickly enough, or just kept running ...

root@system ~ # lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 16.10
Release:        16.10
Codename:       yakkety

And so it happens that the support for Ubuntu 16.10 (codename: yakkety) came to an end, and the packages were removed from the regular Ubuntu servers. Trying to run an upgrade (do-release-upgrade) ended in the following message:

 

Reading cache

Checking package manager

Can not upgrade 

An upgrade from 'yakkety' to 'artful' is not supported with this tool.

 

Continue reading "Upgrade from Ubuntu 16.10 (yakkety) to 17.10 (artful)"

Sometimes update-initramfs leaves old initrd images around in /boot, even when the kernel package is deinstalled. Deleting the file does not help, the next run of update-initramfs will recreate the file.

The solution is simple: all kernels which need to be rebuild are in /var/lib/initramfs-tools/ - just delete the old ones, and the images in /boot, and they will not be recreated.