Re: How do I install the rescue kernel for fc38?

[Stephen Morris <samorris@xxxxxxxxxxxxxxx>]

On 30/8/23 09:51, ToddAndMargo via users wrote:
> On 8/29/23 10:41, Michael D. Setzer II via users wrote:
> > I've found that removing the rescue files from /boot and then doing a 
> > dnf reinstall kernel-core will do
> > it.
> >
> > Did just run it to make sure, paste has wrapping, but hopefully one 
> > can follow.
> >
> > # cd /boot
> > # ls -l*rescue*
> > -rw-------. 1 root root 118033857 Jun  5 01:53
> > initramfs-0-rescue-189711f94e78436d9618b891a8fce70e.img
> > -rwxr-xr-x. 1 root root  14332776 Jun  5 01:51
> > vmlinuz-0-rescue-189711f94e78436d9618b891a8fce70e
> >
> > # rm*rescue*
> > rm: remove regular file 
> > 'initramfs-0-rescue-189711f94e78436d9618b891a8fce70e.img'? y
> > rm: remove regular file 
> > 'vmlinuz-0-rescue-189711f94e78436d9618b891a8fce70e'? y
> >
> > # dnf reinstall kernel-core
> > Last metadata expiration check: 0:27:24 ago on Wed 30 Aug 2023 
> > 03:05:33 AM ChST.
> > Dependencies resolved.
> > ===============================================================
> > ========================================================
> >   Package                      Architecture 
> > Version                           Repository                Size
> > ===============================================================
> > ========================================================
> > Reinstalling:
> >   kernel-core                  x86_64 
> > 6.4.12-100.fc37                   updates                   15 M
> >
> > Transaction Summary
> > ===============================================================
> > ========================================================
> >
> > Total download size: 15 M
> > Installed size: 65 M
> > Is this ok [y/N]: y
> > Downloading Packages:
> > kernel-core-6.4.12-100.fc37.x86_64.rpm 3.4 MB/s |  15 MB     00:04
> > ----------------------------------------------------------------------------------------------------------------------- 
> >
> > Total 2.7 MB/s |  15 MB     00:05
> > Running transaction check
> > Transaction check succeeded.
> > Running transaction test
> > Transaction test succeeded.
> > Running transaction
> >    Preparing : 1/1
> >    Reinstalling     : kernel-core-6.4.12-100.fc37.x86_64 1/2
> >    Running scriptlet: kernel-core-6.4.12-100.fc37.x86_64 1/2
> >    Running scriptlet: kernel-core-6.4.12-100.fc37.x86_64 2/2
> >    Cleanup          : kernel-core-6.4.12-100.fc37.x86_64 2/2
> >    Running scriptlet: kernel-core-6.4.12-100.fc37.x86_64 2/2
> >    Verifying        : kernel-core-6.4.12-100.fc37.x86_64 1/2
> >    Verifying        : kernel-core-6.4.12-100.fc37.x86_64 2/2
> >
> > Reinstalled:
> >    kernel-core-6.4.12-100.fc37.x86_64
> >
> > Complete!
> >
> > Takes some time to run, but afterwards.
> > # ls -l*rescue*
> > -rw-------. 1 root root 123671666 Aug 30 03:35
> > initramfs-0-rescue-189711f94e78436d9618b891a8fce70e.img
> > -rwxr-xr-x. 1 root root  14384360 Aug 30 03:34
> > vmlinuz-0-rescue-189711f94e78436d9618b891a8fce70e
>
>
> Hi Michael,
>
> Worked perfectly.  Excellent directions!
>
> https://imgur.com/lgwFazr.png
If you install the following statement into /etc/default/grub, and 
remake the grub menus either with grubby (maybe) or definitely with 
grub2-mkconfig, the menu build process it add a rescue entry into the 
grub menus for all kernels you have installed.

GRUB_DISABLE_RECOVERY="false"

regards,
Steve

> -T
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