diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/guix.texi | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index da4d2f5ebc..7bf14a49e9 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -43599,11 +43599,20 @@ list-generations}). If that generation already exists, it will be overwritten. This behavior mirrors that of @command{guix package} (@pxref{Invoking guix package}). -It also adds a bootloader menu entry for the new OS configuration, +It adds a bootloader menu entry for the new OS configuration, ---unless @option{--no-bootloader} is passed. For GRUB, it moves entries for older configurations to a submenu, allowing you to choose an older system generation at boot time should you need it. +@cindex kexec, for fast reboots +@cindex rebooting @i{via} Linux kexec +On Linux, @command{guix system reconfigure} also loads the new system +for fast reboot @i{via} kexec: running @command{reboot --kexec} will +boot the new system by directly executing its kernel, thus bypassing the +BIOS initialization phase and bootloader (@pxref{Invoking reboot,,, +shepherd, The GNU Shepherd Manual}). You can avoid this behavior by +passing the @option{--no-kexec} option. + @cindex provenance tracking, of the operating system Upon completion, the new system is deployed under @file{/run/current-system}. This directory contains @dfn{provenance |