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I am unable to login with my username and passwords. I can only login as guest.

My home partition is full. Only root (/) partition has about 24 GB space. It may either be caused by low disc space or many failure login attempts by my pc repairer.

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  • You cannot login (ie. you don't have a password), or are you immediately logged out when you login.
    – Anthon
    Jun 27, 2015 at 14:12
  • I HV password.when I try to login then only the blank wallpaper is seen.
    – user1679555
    Jun 27, 2015 at 14:18

2 Answers 2

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You should try to login on a console. For that Ctrl+Alt+F1 and at the login: prompt give your username, then on the password: prompt give your password.

Once you are login either clean up, or move things from /home to /.

Cleaning up can e.g. be done by removing the .cache. You can first try to see how much Mb that would bring you, then remove it and finally check the free space on the partition:

 du -sm ~/.cache
 rm -rf ~/.cache
 df -h /home

Assuming that you have used the system for browsing etc, the removing the ~/.cache should free up enough space to login using the graphics screen once more (press Alt+F8 (maybe F7) to switch back to the graphical login page). Make sure to free up enough space to not let this happen again.

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  • Here I am able to login but unable to clean cache.terminal said -du: cannot access '~/.cache' no such file or directory.
    – user1679555
    Jun 27, 2015 at 14:50
  • @user1679555 It might be that you don't have a cache, although I find that strange. You will need to find other stuff you can remove, or move (using mv src dst). What is taking your discspace and how much do you have on /home anyway
    – Anthon
    Jun 27, 2015 at 15:06
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Switch on your computer.

Press and hold the Shift key, which will bring up the Grub menu.

Select the line which starts with Advanced options.

Select the line ending with recovery mode

Your computer should display a menu with a number of options.

Select in this order, lines say, fsck clean and network root or netroot

In the terminal run:

mount -o remount,rw /
mount --all
apt-get autoremove
apt-get clean
rm -rf /home/*/.local/share/Trash/*/** &> /dev/null
rm -rf home/*/.cache/*/** &> /dev/null
reboot
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