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Old 06-10-2004, 05:39 AM   #1
Registered: Apr 2004
Distribution: redhat 9.0, fc4, redhat as 4
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linux memory problem & mail quota

when i start my system running all server demons, total memory useage is 70MB, as i starts X windows , and then logout memory usage = 200 MB.

how can i re-claim memory.

how can i define mail quota in sendmail to restirct mailbox of user
Old 06-10-2004, 06:01 AM   #2
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(1) It's normal for memory usage to steadily increase, since Linux does quite a lot of caching to improve performance. if a new app needs memory, the OS willrelease some of the cache space.

(2) I'm not sure exactly, but you can enable filesystem quotas (make sure you have the quota package installed, add usrquota to the appropriate filesystem in /etc/fstab, and remount) and use them. You may need to enable something in sendmail to respect the quotas. There's an excellent quota howto at if you need more details.


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