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GRand Unified Bootloader: Difference between revisions

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= GRUB / GRUB2 =
= GRUB / GRUB2 =


== Things ==
Argument to fix some graphical issues in Proxmox install:<br>
Argument to fix some graphical issues in Proxmox install:<br>
<code>nomodeset</code><br>
<code>nomodeset</code><br>
remove


== Reset Root Password ==
== Reset Root Password ==

Revision as of 01:00, 29 August 2026

GRUB / GRUB2

Things

Argument to fix some graphical issues in Proxmox install:
nomodeset

Reset Root Password

1. enter GRUB2 edit mode
2. modify linux-kernel string by adding rd.break at the end
3. press CTRL+x to boot with entered options
4. use chroot to mount /sysroot to / chroot /sysroot, pwd should read /
5. remount the root file system in read/write mode mount -o remount,rw /
6. run passwd to set new password passwd
7. create hidden file .autorelabel to run SELinux relabeling on all files touch .autorelabel
8. exit the chroot shell and reboot