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Volet

a) Check your home quota with the command:
        quota
    You will, for example, get something like this:
    
    Filesystem  blocks   quota   limit   grace   files   quota   limit   grace
    nas24-10:/nethome/sca
               226388* 200000  250000    /dev/mapper/cachedev2
               526388* 500000  550000 49652days    4161       0       0
    
    This means:
        - currently you are using 226388 526388 kB. The '*' indicates you are over your quota
        - your quota is 200000 500000 kB
        - for some time you can use up to 250000 550000 kB


Volet

b) Find your large files and directories
         du -hsc .[a-z]*  *
or to just find the big files/directories (and a few others that contain the letter 'M'):
         du -hsc .[a-z]*  * | grep M

Start in your home directory and then descend into the large subdirectories until you find the big files.


Volet

c) (Re)move files and directories
       1. Remove whatever you do not need anymore.

(this

This is a form of infinite compression

)

.
       2. Put whatever does not need to be in your home under your data space

. (e.g. /snow /zwack ..

.

.)
       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



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":

      Data backup


Cannot open window

 A simple way to check if your display forwarding is okay is to execute the command:
        xclock
 If this opens a little window with a clock your setup is good.
 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.

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