Because of a low-graphics error I am not able to log into my system anymore. Well .. I am not seeing any graphical interface (solutions here How to fix "The system is running in low-graphics mode" error? have been tried).
df -h revealed that my /dev/sda6 partition is full:
Filesystem Size Used Avail Use% Mounted on /dev/sda6 7.4G 6.6G 398M 95% / udev 1.9G 4.0K 1.9G 1% /dev tmpfs 762M 424K 762M 1% /run none 5.0M 0 5.0M 0% /run/lock none 1.9G 0 1.9G 0% /run/shm overflow 1.0M 4.0K 1020K 1% /tmp /dev/sda7 449G 266G 161G 63% /home /dev/sda1 447M 115M 308M 28% /boot
sudo du -kxa / | sort -nr | head leads to the output
sort: write failed: /tmp/sortXXXXXX (X = any number or letter): No space left on device.
Therefore my question, how do I clean this
/tmp/sortXXXXXX folder or directory with terminal commands and how do I set permission flags for that folder or directory to the standard value? I assume I messed up this permissions and now every process is writing to