110 lines
2.6 KiB
Markdown
110 lines
2.6 KiB
Markdown
# When dnf fails.
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## Top
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Questions to [David Rotermund](mailto:davrot@uni-bremen.de)
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Let us assume the dnf update inbetween. You lost the remote connection to the computer where the update was running or systemd oom killed the dnf task.
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Concerning systemd-oomd, you turn it off via:
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```shell
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systemctl disable --now systemd-oomd
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```
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Now you are stuck in dnf limbo. How to get out of it with less effort as possible?
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## Try 0
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If you can do this without an error then you are on a good way:
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```shell
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dnf -y remove --duplicates
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```
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## Try 1
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Well, if try 0 resulted in conflicts, we can try to solve them semi-autotamic:
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```shell
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dnf -y remove --duplicates 2> error.log
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cat error.log | awk -F 'from install of|conflicts with file from package' '{print $2}' | sort -u | awk 'NF' | sed s/"^ "/"dnf -y reinstall "/g | sh
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dnf -y remove --duplicates 2> error.log
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```
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## Try 2
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We end up here if errors after try 1 still remained:
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```shell
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cat error.log | awk -F 'from install of|conflicts with file from package' '{print $2}' | sort -u | awk 'NF'
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```
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Now we need to deal with the remaining problem manually. This package is still broken:
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```shell
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darktable-4.4.2-1.fc37.x86_64
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```
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This does not work:
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```shell
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[root ~]# dnf -y reinstall darktable-4.4.2-1.fc37.x86_64
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Last metadata expiration check: 0:03:59 ago on Sat 09 Mar 2024 04:17:07 AM CET.
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Package darktable available, but not installed.
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No match for argument: darktable-4.4.2-1.fc37.x86_64
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Error: No packages marked for reinstall.
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```
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Okay, maybe we need to delete the old package manually:
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```shell
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cat error.log | awk -F 'conflicts with file from package' '{print $2}' | sort -u | awk 'NF'
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```
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The problem lies with:
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```shell
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darktable-tools-noise-4.0.1-2.fc37.x86_64
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```
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We will remove it carefully(!!!). Don't use -y and check the list if something important is on the to-be-deleted list:
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```shell
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dnf remove --noautoremove darktable-tools-noise-4.0.1-2.fc37.x86_64
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```
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Now we should be able to do this:
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```shell
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dnf -y remove --duplicates
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```
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## Finalize
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Now we can finalize the repair with:
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```shell
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dnf -y update --best --allowerasing --skip-broken
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```
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or
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```shell
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dnf -y --enablerepo=* update --best --allowerasing --skip-broken
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```
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Depending on if you want to include other non-default repos from your repo-list.
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## Protected packages
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If you get complaints about protected system packages, you can disable this protection by:
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```shell
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mv /etc/dnf/protected.d /etc/dnf/protected.d_xxx
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```
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However, you should restore the protection later:
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```shell
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mv /etc/dnf/protected.d_xxx /etc/dnf/protected.d
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```
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