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I have Ubuntu 20.04 and KDE Plasma 5.18.5. When I try to install system updates I get this error:

Package failed to install Error while installing package: cannot copy extracted data for 
'./boot/System.map-5.11.0-44-generic' to '/boot/System.map-5.11.0-44-generic.dpkg-new'

The /boot folder has these attributes if I do ls -l /:

drwxr-xr-x   5 root root  4096 Jan  5 08:42 boot

I'm not sure how to fix this.

Update with output from df -h:

/dev/nvme0n1p2             705M  690M     0 100% /boot
/dev/nvme0n1p1             511M   86M  426M  17% /boot/efi
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    Check df -h output to see if your boot partition is full
    – Panki
    Jan 5, 2022 at 14:04
  • @Panki I updated the question with the output. It seems that it is full. What is safe to delete in there to free up space?
    – raphael75
    Jan 5, 2022 at 14:09
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    As a first step, run sudo apt autoremove. If that doesn't get you far enough, see askubuntu.com/questions/345588/…
    – Panki
    Jan 5, 2022 at 14:11
  • apt-mark showmanual | grep 'linux-[g|h|i|m]'
    – nobody
    Jan 5, 2022 at 14:21

1 Answer 1

Reset to default
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If you use discover for security fixes there is a bug in packagekit

   apt-mark showmanual | grep linux-'[g|i|m|h]' | egrep -v linux-generic-hwe-20.04 | xargs sudo apt-mark auto

then try

sudo apt autoremove --purge

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