On Mon, Feb 08, 2016 at 12:14:23PM -0800, Linus Torvalds wrote: > I'm replying to a really old email, because I - once again - installed > this silly script that you wrote several years ago on a new machine. > > So Bruce - how about we add this script to the kernel "tools" > directory, because it's actually very useful for anybody who uses > CONFIG_LOCALVERSION_AUTO like I do (and clearly you at least used to > do too). > > I think CONFIG_LOCALVERSION_AUTO is really nice for various reasons > (not the least of which is just doing thing like > > gitk $(uname -r).. > but also because it makes it easy to go back to previous kernels when > you're working on bisecting stuff etc).
Yes, I'm a fan. My test scripts check uname after boot to make sure they're testing the kernel they built. > I'll happily commit it as "tools/prune-kernel" or similar, but would > like to get an ok from you as the original author. Oh, feel free, thanks. --b. > And if somebody has improvements for specific distros, maybe the > script will start getting improvements. And I won't have to copy it > from an old machine every time, because it will just be there with the > kernel source tree (and without a kernel source tree it's not needed). > > Linus > > On Wed, Jul 10, 2013 at 1:54 PM, J. Bruce Fields <bfie...@fieldses.org> wrote: > > > > I run this by hand every now and then. I'm probably doing it all wrong. > > > > --b. > > > > #!/bin/bash > > > > # because I use CONFIG_LOCALVERSION_AUTO, not the same version again and > > # again, /boot and /lib/modules/ eventually fill up. > > # Dumb script to purge that stuff: > > > > ssh "root@$1" ' > > > > for f in $(ls /lib/modules); do > > if rpm -qf "/lib/modules/$f" >/dev/null; then > > echo "keeping $f (installed from rpm)" > > elif [ $(uname -r) = "$f" ]; then > > echo "keeping $f (running kernel) " > > else > > echo "removing $f" > > rm -f "/boot/initramfs-$f.img" "/boot/System.map-$f" > > rm -f "/boot/vmlinuz-$f" "/boot/config-$f" > > rm -rf "/lib/modules/$f" > > new-kernel-pkg --remove $f > > fi > > done > > '