I installed NVidia drivers on my OL6.6 system at home and something went bad with one of the libraries. On reboot, the kernel would panic and I couldn't get back into the system to fix anything. I ended up re-installing the OS to recovery my system.
What would be some best practices for backing up the system when making a change and then recovering if this happens again?
Would LVM snapshots be a good option? Can I recovery a snapshot from a rescue boot?
EX: File system snapshots with LVM | Ars Technica -- scroll down to the section discussing LVM.
Any pointers to documentation would be welcome as well. I'm just not sure what to do to revert the kernel or the system when installing something goes bad like this.
Thanks for your attention.