There is a patch available from choon.net which forces PHP scripts to store the script name and location in the mail headers when using the mail() function. The below instructions will give you the details needed to add this patch to your cPanel server: Log into the server as root via ssh or the console. [...]

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If you are online then you should run: mysqlcheck mysqlcheck -o –all-databases If you are offline then you can run myisamchk which is a little more thorough. myisamchk –sort-index myisamchk -r tbl_name

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There is a bug with the new option in Centos 5 called setroubleshoot. The bug spins the program over and over causing high memory and sometimes CPU use. Unfortunately there is no permanent fix yet, but if you see something like this high in your daily process log: /usr/bin/python -E /usr/sbin/setroubleshootd To fix for now [...]

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I spent hours trying to get mod_bandwidth to work simply because I have used it for years. But now with Apache 2.0 times have changed and there is a better option for Linux and it’s free. The new mod to regulate bandwidth and more is called Mod_cband I’m not sure what cband means but I [...]

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Apache 2.0 makes raising the max client from the default 256 hard limit a little harder now. If you have cpanel then it’s even a little harder or I should you just need to know what to do, figuring it out is a shot in the dark. One main difference is you have raise the [...]

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Fixing DNS is a tricky thing, with cpanel there is a couple steps to try first. DNS failed you are not sure why, try this first: /scripts/cleandns /scripts/rebuildnamedconf Still not working, try this: /scripts/rebuilddnsconfig /scripts/fixdns Basically DNS has about 5 files that need to all be in sync for named DNS to run. I highly [...]

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This usually means you need to upgrade Perl on the server. Here is a example of a md5sum error. The remote server didn’t report a correct md5sum of the archive. Please ensure you selected the correct type of remote server. To fix upgrade Perl as shown here: http://www.ezlinuxadmin.com/2009/08/upgrading-perl-on-cpanel/

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rsync -vae ssh 12.123.123.123:/home/dwhsbackup/daily/username/ /backup/cpbackup/daily2/username/ –bwlimit=10000 –exclude-from ‘/root/exclude.txt’

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The trick is to limit I/O bandwidth for rsync. The –bwlimit option limit I/O bandwidth. You need to set bandwidth using KBytes per second. For example, limit I/O bandwidth to 10000KB/s (9.7MB/s), enter: rsync –delete –numeric-ids –relative –delete-excluded –bwlimit=10000 /path/to/source /path/to/dest/? 10 megs a second is plenty of speed and will keep the server running [...]

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PHP CLI is installed by default by CPanel and placed in: /usr/local/bin or /usr/bin

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