[درس] CPU Usage Limiter for Linux

 pico  /etc/security/limits.conf

* core - limits the core file size (KB)
    * data - max data size (KB)
    * fsize - maximum filesize (KB)
    * memlock - max locked-in-memory address space (KB)
    * nofile - max number of open files
    * rss - max resident set size (KB)
    * stack - max stack size (KB)
    * cpu - max CPU time (MIN)
    * nproc - max number of processes
    * as - address space limit
    * maxlogins - max number of logins for this user
    * maxsyslogins - max number of logins on the system
    * priority - the priority to run user process with
    * locks - max number of file locks the user can hold
    * sigpending - max number of pending signals
    * msgqueue - max memory used by POSIX message queues (bytes)
    * nice - max nice priority allowed to raise to
    * rtprio - max realtime priority
    * chroot - change root to directory (Debian-specific)

* hard nproc 100

* hard memlock  1024

* soft cpu  5

svn checkout https://cpulimit.svn.sourceforge.net/svnroot/cpulimit/trunk cpulimit

tar zxf cpulimit-xxx.tar.gz

cd cpulimit-xxx

 make

support-ar

cpulimit --exe support-ar --limit 40
cpulimit --exe /usr/local/bin/support-ar --limit 40

 Main >> System Health >> Show Current CPU Usage

cpulimit --pid 2960 --limit 55