commit 94cc7edaf4d60ddf8a9a3e45b0e3516147183acf · hyperreal.bsky.moonshadow.dev/bin

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fedora-rm-old-kernels

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       #!/usr/bin/env bash

     

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       # Source: https://docs.fedoraproject.org/en-US/quick-docs/upgrading-fedora-offline/

     

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       old_kernels=($(dnf repoquery --installonly --latest-limit=-1 -q))

     

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       if [ "${#old_kernels[@]}" -eq 0 ]; then

     

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           echo "No old kernels found"

     

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           exit 0

     

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       fi

     

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       if ! sudo dnf remove "${old_kernels[@]}"; then

     

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           echo "Failed to remove old kernels"

     

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           exit 1

     

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       fi

     

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       echo "Removed old kernels"

     

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       exit 0

+11

list-iommu-groups

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       #!/usr/bin/env bash

     

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       # https://drakeor.com/2022/02/16/kvm-gpu-passthrough-tutorial/

     

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       shopt -s nullglob

     

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       for g in /sys/kernel/iommu_groups/*; do

     

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           echo "IOMMU Group ${g##*/}:"

     

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           for d in $g/devices/*; do

     

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               echo -e "\t$(lspci -nns ${d##*/})"

     

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           done;

     

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       done