After updating the operating system kernel on the VPS and performing a reboot, the server may not boot. At the same time, in the control panel on our website, the VPS status changes to “Switchedoff»A few seconds after switching on.
If you manage to connect to the server using VNC, then there may be displayed, for example, the following error:
To fix the situation, try loading the previous version of the kernel:
If the system boots successfully, edit the GRUB configuration so that it automatically loads the correct kernel version:
/boot/grub/menu.lstyou need to change the parameter
default, which contains the ordinal number of the menu bar (numbering from zero).
In the same files, you can change the parameter
GRUB_TIMEOUT for GRUB 2), which is responsible for the duration of the menu display.