Don’t use special characters in your root password

Published on and tagged with debian  problem  tip

Today, I learned that it is not really a good idea to use special characters in a root password. I have had an “at” sign in the root password of my machine. Everything worked fine. Up to the update of today. It messed up my system: the mouse didn’t work (and still doesn’t), and the keyboard layout was not recognized after the update. And so it was no longer possible to login as root as I couldn’t enter the “at” sign.
After some searching in the internet I found a hint that it is possible to change the root password when the system is started in single user mode. So I restarted my machine and saw that there is a recovery mode. In this recovery mode I was fortunately able to login as root, and could change the password.

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