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September 2010
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How to configure Subversion + Apache [mod_dav_svn.so] in CPanel

It is very easy to setup a subversion repository and access it via browser as I found out recently from my own experience.

The below case was on a Cpanel server, but you can follow the same method (with some tweaks, of course) on any subversion + apache environment as long as you have . . . → Read More: How to configure Subversion + Apache [mod_dav_svn.so] in CPanel

High I/O Wait? Don’t always blame it on the hard drive

Recently my friend was complaining about his new OpenVZ main node server taking a lot of i/o resources even though no VPS were running on it. He was blaming it on the datacenter guys for giving him faulty hard disk and wanted me to check and confirm. With iostat and lsof commands, it didn’t . . . → Read More: High I/O Wait? Don’t always blame it on the hard drive

Implement bonding in RHEL 5

Bonding is the process of combining 2 NICs on a system into a single device. For e.g., if you have 2 network cards on a machine, eth0 and eth1, you combine the same into a bond device, bond0 and then configure an IP for this bond device.

Why do we have to do that, . . . → Read More: Implement bonding in RHEL 5

DNS Terms you need to know

During my beginning years of System Administration, I was pretty much confused by the terms ‘primary nameserver’, ‘secondary nameserver’, ‘master/slave nameserver’ etc. Different websites have different views on these terms. I am sure many system admins (even experienced ones) have got their ideas wrong about these terms.

My confusion ended the day I stumbled . . . → Read More: DNS Terms you need to know