Server Administration

Solution for yum problems on new CentOS 6 + WHM installations

Recently I discovered problems trying to install anything using yum on new servers based on CentOS 6 (64-bit) + WHM/cPanel.…

12 years ago

rrdtool not installing on cPanel

Today I have ordered new cPanel/WHM server (CentOS 6.3) but it had problems with rrdtool and not reporting bandwidth usage.…

12 years ago

How to format and mount second hard drive on Linux

If you have two hard drives you can mount second hard drive to be used for (cPanel/WHM) backups or for…

12 years ago

How to raise ServerLimit and MaxClient

If your server starts getting more and more traffic you'll need to lift up number of allowed Apache connections. This…

12 years ago

Sysctl.conf hardening

The purpose of syctl hardening is to help prevent spoofing and dos attacks. This short guide will show what I…

12 years ago

Big file downloads stops at random

After migrating a site to new server I run into a strange problem with big file downloads that just stop/break…

12 years ago

How to whitelist your IP at CPHulk

My IP got banned by CPHulk few times and it is really not a pleasant thing knowing that you need…

12 years ago

How to change proftp FTP password from SSH shell

Today I have got a request from a client that has a server with no control panel on it to…

12 years ago

How to install CSF firewall

In order to protect your server the best way possible, beside running iptables you should install some additional software. I…

12 years ago

Web host is adding ?PHPSESSID to the end of all URLs

Today I a customer of mine came to me with a problem with web site that he have just moved…

12 years ago