GRand Unified Bootloader: Difference between revisions
Created page with "= GRUB2 = Argument to fix some graphical issues in Proxmox install:<br> <code>nomodeset</code><br> remove == Reset Root Password == 1. enter GRUB2 edit mode 2. modify linux-kernel string by adding <code>rd.break</code> at the end 3. press CTRL+x to boot with entered options 4. use chroot to mount /sysroot to / <code>chroot /sysroot</code>, pwd should read <code>/</code> 5. remount the root file system in read/write mode <code>mount -o remount,rw /</code> 6. run passw..." |
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== Reset Root Password == | == Reset Root Password == | ||
1. enter GRUB2 edit mode | 1. enter GRUB2 edit mode | ||
2. modify linux-kernel string by adding <code>rd.break</code> at the end | 2. modify linux-kernel string by adding <code>rd.break</code> at the end | ||
3. press CTRL+x to boot with entered options | 3. press CTRL+x to boot with entered options | ||
4. use chroot to mount /sysroot to / <code>chroot /sysroot</code>, pwd should read <code>/</code> | 4. use chroot to mount /sysroot to / <code>chroot /sysroot</code>, pwd should read <code>/</code> | ||
5. remount the root file system in read/write mode <code>mount -o remount,rw /</code> | 5. remount the root file system in read/write mode <code>mount -o remount,rw /</code> | ||
6. run passwd to set new password <code>passwd</code> | 6. run passwd to set new password <code>passwd</code> | ||
7. create hidden file .autorelabel to run SELinux relabeling on all files <code>touch .autorelabel</code> | 7. create hidden file .autorelabel to run SELinux relabeling on all files <code>touch .autorelabel</code> | ||
8. <code>exit</code> the chroot shell and <code>reboot</code> | 8. <code>exit</code> the chroot shell and <code>reboot</code> | ||
Revision as of 00:57, 29 August 2026
GRUB2
Argument to fix some graphical issues in Proxmox install:
nomodeset
remove
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