Bootloader: Difference between revisions
imported>Iceychris m add a simple way of reinstalling the bootloader while the system is running |
imported>CsawyerYumaed added grub kernel command line options for booting. |
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sudo nixos-rebuild --install-bootloader switch | sudo nixos-rebuild --install-bootloader switch | ||
</syntaxhighlight> | </syntaxhighlight> | ||
kernel command line options to help debugging (reached via e on the grub boot menu) | |||
* <code>boot.trace</code> uses set -x to trace the shell scripts. | |||
* <code>boot.shell_on_fail</code> allows for a shell if failure to boot. | |||
* <code>boot.debug1</code> allows shell and stops right away on failure. | |||
* <code>boot.debug1devices</code> stop after loading modules and creating device nodes. | |||
* <code>boot.debug1mounts</code> stop after mounting file systems. | |||
* <code>boot.panic_on_fail</code> panics on failure. | |||
* <code>console=</code> set the console to something | |||
* <code>root=</code> If a root device is specified on the kernel command line, make it available through the symlink /dev/root. | |||
* <code>findiso=</code> if an iso name is supplied, try to find the device where the iso resides on. | |||
* <code>copytoram</code> Skip mounting the ISO and copy its content to a tmpfs. | |||
==== From an installation media ==== | ==== From an installation media ==== | ||