https://www.slackwiki.com/index.php?action=history&feed=atom&title=CPU_User_Limiting 2026-04-08T01:00:53Z Revision history for this page on the wiki MediaWiki 1.40.0 https://www.slackwiki.com/index.php?title=CPU_User_Limiting&diff=77&oldid=prev 2009-06-02T03:19:51Z

<p>Copy from old</p> <p><b>New page</b></p><div>[[Category:Tips]]<br /> <br /> == CPU / Performance Limits ==<br /> <br /> To set limits on users (e.g. CPU usage), use &lt;code&gt;ulimit&lt;/code&gt;.<br /> <br /> EXAMPLE: &lt;code&gt;ulimit -t;&lt;/code&gt;<br /> <br /> From the manpage:<br /> &lt;code&gt;-a&lt;/code&gt; All current limits are reported&lt;br&gt;<br /> &lt;code&gt;-c&lt;/code&gt; The maximum size of core files created&lt;br&gt;<br /> &lt;code&gt;-d&lt;/code&gt; The maximum size of a process's data segment&lt;br&gt;<br /> &lt;code&gt;-f&lt;/code&gt; The maximum size of files created by the shell&lt;br&gt;<br /> &lt;code&gt;-i&lt;/code&gt; The maximum number of pending signals&lt;br&gt;<br /> &lt;code&gt;-l&lt;/code&gt; The maximum size that may be locked into memory&lt;br&gt;<br /> &lt;code&gt;-m&lt;/code&gt; The maximum resident set size&lt;br&gt;<br /> &lt;code&gt;-n&lt;/code&gt; The maximum number of open file descriptors (most systems do not allow this value to be set)&lt;br&gt;<br /> &lt;code&gt;-p&lt;/code&gt; The pipe size in 512-byte blocks (this may not be set)&lt;br&gt;<br /> &lt;code&gt;-q&lt;/code&gt; The maximum number of bytes in POSIX message queues&lt;br&gt;<br /> &lt;code&gt;-s&lt;/code&gt; The maximum stack size&lt;br&gt;<br /> &lt;code&gt;-t&lt;/code&gt; The maximum amount of cpu time in seconds&lt;br&gt;<br /> &lt;code&gt;-u&lt;/code&gt; The maximum number of processes available to a single user&lt;br&gt;<br /> &lt;code&gt;-v&lt;/code&gt; The maximum amount of virtual memory available to the shell&lt;br&gt;<br /> &lt;code&gt;-x&lt;/code&gt; The maximum number of file locks&lt;br&gt;<br /> <br /> <br /> <br /> <br /> == Disk Space Limits ==<br /> <br /> Use &lt;code&gt;quota&lt;/code&gt;.</div>

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