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a) Check your home quota with the command: |
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b) Find your large files and directories .[a-z]* * * | grep M Start in your home directory and then descend into the large subdirectories until you find the big files. |
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c) (Re)move files and directories This is a form of infinite compression ). . )3. Use /extras/$USER Move large software directories like .local, .cache, .python, etc. to /extras/$USER/ to move directory abc : cd $HOME mv abc /extras/$USER/. # move the directory ln -s /extras/$USER/abc abc # create a "soft link" in $HOME cd $HOME/abc will still bring you to that directory but will not affect your HOME quota |
Cannot open window
If you want to keep large files under your home because you would like them to get backed up, also checkout our big "Data backup": |
Cannot open window / Error: Can't open display: localhost:...
If you cannot open windows on the servers or get the following error message:
"Error: Can't open display: localhost:..."
A simple way to check if your display forwarding is okay. A simple way to do this is to execute the command:
xclock
If this opens a little window with a clock your setup is good.
If If you do not get the little clock window check the following:
a) When using ssh make sure you used it either with the ' -Y ' key (plus -C for better compression)!
ssh -YC ...
b) Check your home quota with (see "Disk quota exceeded in your home" above for more info):
quota
If you are over quota in your home you cannot open any windows. To reduce the data in your home check point "Disk quota exceeded in your home" above.
c) MacOS and Windows users
MacOS users:
If you are not using the UNIX side of you Mac make sure you have a "good" version of XQuartz installed. To test if you have a good version check if the command:
xclock
works directly on you Mac (before connecting to any of our servers). If not you probably need to install a newer version of XQuartz.
Windows users:
If you are not using WSL use it. You can follow this installation guide: Install WSL
If you are using WSL check if the command:
xclock
works directly in your WSL (before connecting to any of our servers). If not have another look at the installation guide in case you missed something.
Stack overflow
Error message:
"stack overflow: thread 0, max 10228KB, used 1147KB, request 37324944B"
=> unlimit your stack by setting:
ulimit -s unlimited
X11 connection rejected because of wrong authentication
Error message:
"X11 connection rejected because of wrong authentication."
You might be over your quota in your HOME.
Check with: quota -v
Error: Can't open display: localhost:...
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