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just an hour ago, I installed some package which was supposed to solve the problem with dead keys. After that I restarted my laptop and could not log in because of infinite loop with the login page. I can use the user account but what can I do from it?

I cannot access BIOS, booting from USB does not work. I tried to switch from GUI to the shell Str+Alt+F3 and login in using my superuser credentials but sudo is not recognized in the shell. This is the error message I got:

Command ´Sudo´ is available in /usr/bin/sudo this command cound not be located because /usr/bin is not included in the PATH environment variable. Sudo command not found.

Im begging for help.

user3428703
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1 Answers1

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  1. Try booting from CD/DVD or network.

  2. Instead of sudo, try /usr/bin/sudo or add PATH: export PATH=$PATH:/usr/bin

  3. Try booting into recovery mode: https://wiki.ubuntu.com/RecoveryMode

  4. There is an option in grub to boot into single user mode (as root), usualy it requires adding single to kernel options and updating grub, but I guess it can also be done in grub command line manually.

przemo
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