Make Tech Easier shows you how to use the recovery mode in Ubuntu Linux.
How to Boot to Recovery Mode (Safe Mode) in Ubuntu
Sometimes things go wrong, even on Linux systems, and you need a way to get your computer back to full functionality. On Windows, Safe Mode is usually the first choice to get back in and fix a problem. However, on Linux, there really isn’t a direct counterpart. On most Linux distributions i, the solution involves using a Live CD to access files on your hard drive or even using a chroot. Ubuntu has come up with a clever solution in recovery mode.
How to Boot to Recovery Mode (Safe Mode) in Ubuntu
