Month: December 2011

Edit cPanel nameserver IP’s

As of WHM 11.30, the nameservers’ IP assignments are now read from the Zonefiles and actual DNS queries after recent updates. If you are not seeing the needed IPs in /etc/nameserverips please do not attempt to edit that file, as it is now overwritten by cPanel. Check under WHM: Main >> DNS Functions >> Nameserver…


IO wait Load Tracking

From http://balajitheone.blogspot.com IO wait load tracking to a process. How to identify what processes are generating I/O wait load. ————————————————————- An easy way to identify what process is generating your IO Wait load is to enable block I/O debugging. This is done by setting /proc/sys/vm/block_dump to a non zero value like: echo 1 > /proc/sys/vm/block_dump…