Archive for April, 2014


How to Convert MyISAM to INNODB in phpMyAdmin

MySQL has a number of options for database storage. Two popular storage engines are MyISAM and INNODB. Each method has its advantages, and the purpose of this brief tutorial is not to debate which one is greater. If, however, you decide that you need to switch from one to the other, this guide should […]

How to Manage Linux Server Timezone Settings

Setting your date and time correctly on your Linux server is very important. Your server logs and other important information will all reflect the timezone of your server. In most cases, you will want to set your server’s time to match your own local time, but if your server is remote or hosting sites for […]

How to Perform an In-Box Upgrade on an Ubuntu VPS

In-box upgrades on any operating system can be tricky. You are essentially updating all of the software, including the kernel, while keeping all of the current data. This makes it inherently risky, and some would argue against it and maintain that you should either not do upgrades or only do backups and clean installs.
For Ubuntu […]

Use Mpstat to Monitor Multiple Linux Server Processors

Probably the first Linux tool you think of when you want to monitor CPU usage is “top”. Top is light and gives you a good glimpse of processes that are consuming processing power. One thing top will not do by default, however, is show you how each processor is working and how much of their […]

Setup and Configure CentOS Server Part 2

In part one, we began by changing the root password and then creating an account that will be able to escalate to root privileges when needed. Now, you need to make sure that only that user can become root and not anyone else.
The easiest way to do this is to use the “wheel” group. You […]

How to Update Your OpenSSL Version to Fix Heartbleed Bug

Heartbleed, the highly publicized OpenSSL bug with the unfortunate name, has a lot of system administrators scurrying to fix the problem. If you have not heard about it by now, it is a security hole found in OpenSSL’s TLS heartbeat extension that a cyber criminal can use to reveal 64k of memory on a connected […]

Setup and Configure CentOS Server Part 1

CentOS is essentially a free implementation of the open source code from Red Hat Enterprise Linux. Logos and other trademarks aside, CentOS is RHEL at its core without the licensing fees. As such, CentOS has become very popular among server administrators as an ideal Linux server solution. This brief tutorial will explain how to get […]