Re: What's the purpose of initrd.img{,.old} and vmlinuz{,.old} symlinks in the root dir?
On Sat 29 Feb 2020 at 19:15:12 -0600, David Wright wrote:
> On Sat 29 Feb 2020 at 19:17:39 (+0100), Mikhail Morfikov wrote:
> > I have an encrypted (LUKSv2) LVM setup with a separate unencrypted /boot/
> > partition. When I install a new kenrel in the system, the following symlinks are
> > created in the root directory (/):
> >
> > # ls -al /
> > ...
> > lrwxrwxrwx 1 root root 29 2020-02-14 17:22:18 initrd.img -> boot/initrd.img-5.4.0-4-amd64
> > lrwxrwxrwx 1 root root 27 2020-02-24 00:37:53 initrd.img.old -> boot/initrd.img-5.5.4-amd64
> > ...
> > lrwxrwxrwx 1 root root 26 2020-02-14 17:22:18 vmlinuz -> boot/vmlinuz-5.4.0-4-amd64
> > lrwxrwxrwx 1 root root 24 2020-02-24 00:37:53 vmlinuz.old -> boot/vmlinuz-5.5.4-amd64
> >
> > So I have a question here: what's the purpose of the links?
>
> They're a convenience. If you want them kept in /boot, then edit
> /etc/kernel-img.conf and linux-update-symlinks will recreate them
> there when the kernel is updated. Ditto if you want them removed.
They are also useful to reference on the linux and initrd lines when
booting with GRUB to rescue a system. I'd leave them there.
--
Brian.
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