system_upgrade
升级系统版本
$ sudo dnf clean all ## option
$ sudo dnf upgrade --refresh
$ sudo reboot$ sudo dnf system-upgrade download --releasever=43$ sudo dnf offline reboot升级后的可选操作
#!/usr/bin/env bash
old_kernels=($(dnf repoquery --installonly --latest-limit=-1 -q))
if [ "${#old_kernels[@]}" -eq 0 ]; then
echo "No old kernels found"
exit 0
fi
if ! dnf remove "${old_kernels[@]}"; then
echo "Failed to remove old kernels"
exit 1
fi
echo "Removed old kernels"
exit 0参考
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