Pin which kernel your VPS boots next
GRUB_DEFAULT does nothing on an Ubuntu cloud image. Read the menu entries your server really has, then pin the next boot without risking a rescue console.
#kernel
Filtering by topic #kernel · clear
Live kernel patching vs rebooting your VPS
Live kernel patching swaps patched functions into the running kernel. What it covers on an unmanaged VPS, and why the reboot is only postponed.
Clean up old kernels on Ubuntu and free /boot
When /boot fills with old linux-image packages, apt stops configuring anything. Find the kernels you can remove safely, and keep the one you booted.
VPS will not boot after a kernel update
Recover a headless server that fails to boot after a kernel upgrade: provider console, GRUB previous kernel, initramfs and LVM failures, and prevention.
Linux kernel history: the decisions that stuck
A history of the Linux kernel from 0.01 to 7.x: the GPL switch, the microkernel argument, the birth of git, the LTS model, and what each means for servers.