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01-08-2005
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My "Bread and Butter" Process Keep Alive Perl Script....
For the newbies, I should have posted this years ago.... Here is the standard (tiny) "bread and butter" perl script (on Linux) I use in my crontab files to insure key processes are alive ( just in case ! ) like httpd, named, sshd, etc. The example below if for named...... Code:
#!/usr/bin/perl
open(PS,"/bin/ps x|") || die "Can't Open PS";
while(<PS>) {
if (/usr\/sbin\/named/) { close PS; exit;}
}
close PS;
system("/usr/sbin/named");
One of my biggest "server fears" is that sshd will die for some strange reason, so I feel safe knowing that sshd is always running with the script above. New Linux/UNIX users might find it useful. |
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