For testing purpose of an application, I would like to limit the RAM of a server. I prefere not to remove the RAM-sticks. I could not find an option in the BIOS. Is there a way to modify this in the Linux configuration?


1 Answer 1


Use ulimit -d $SIZE_IN_KB to limit the data segment of the current bash shell and whatever you launch from it. help ulimit in bash gives you the documentation.

ETA: If you want to limit the whole system, set mem=1G as a boot parameter in grub (doc).

  • Great, it works!
    – user28362
    Dec 15, 2009 at 13:28

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