Archive for February, 2014


Parallels Summit – If you were thinking of going: GO.

This year’s New Orleans event resonated all the best qualities of hosting industry conventions: Deep sessions, Great keynotes, Interesting venue, and, of course, Excellent networking opportunities.
We typically post answers to server-related questions or how-tos for common server-related tasks, but today it seems like giving Parallels a little love is well deserved as many of […]

Using Fdisk to View Partition and Disk Information

If you ever need information about your attached media, whether it is a hard disk, solid state drive or something else, you can use fdisk to view them. It is quick, easy and can give you a lot of information.
To view currently attached disks, run this command as root:
fdisk -l
(That is a […]

Monitor System Services with Webmin

A dedicated server typically runs several background services or daemons. These may include but are not limited to your web server, database server, and mail server. All of these services need to be running 24/7 to keep them available for your users. When one of the services goes down, you need to know. Webmin has […]

5 Dumb Mistakes to Avoid with a Dedicated Server

This list is essentially useless. It is useless because no one would actually do the things on the list. Right? I joke of course, but these mistakes are ones you should definitely avoid. Some may seem like common knowledge, but they still happen far too often.
1. Using “password” as a password – For that […]

The Benefits of Multi-Core Processors in Servers

Boosting a server’s processing power by adding cores is nothing new. In the old days, you had to add multiple physical processors. Today, some processors come with multiple cores. Therefore, adding two quad-core processors would give you 8 cores, which is 8 times the processing power. But are there really noticeable benefits to having multiple […]

Storing Web Cache on a RAM Disk: Part Two

In part one, you learned how to create a basic RAM disk and how to make it permanent by creating an entry in /etc/fstab. In this section, you will learn how to configure your Apache to send certain files to your RAM drive.
In this example, we will only send images to the RAM drive. Special […]

Storing Web Cache on a RAM Disk: Part One

One way to speed up your web server is to cache frequently accessed pages and content. This is much faster because dynamic pages do not have to be recreated every time someone accesses them. Instead, the cached HTML files are loaded at a much faster rate. Using a RAM disk, you can make that caching […]

Glances System Monitoring Tool for Linux

There is certainly no shortage of system monitoring tools for Linux. If you are the type who likes to know exactly what is going on with your server, Linux is probably ideal for you. Many of these tools are very specific, focusing on one or two aspects like CPU, Memory or Disk usage. Others cover […]

Find Out When a Unix/Linux User Last Logged In

Keeping track of your users’ activities may seem a little bit intrusive, but it is very necessary for security-conscious system administrators. When users are logged onto the system, you should know, and if a user account is up to anything suspicious, knowing when the user’s logged in might very well save your system. It may […]

How Low Can I Set My DNS TTL?

TTL refers to Time To Live for a DNS server. You may find that your server’s default TTL is quite long, perhaps even 48 hours. This means that any changes to DNS zone files will take up to 48 hours to propagate to users. Because that can be very inconvenient when you want to change […]

Linux OS Reboot and Service Restart Guide

Your brand new Linux server may seem a bit intimidating at first, but with a little training and practice, you will find it to be very manageable. The following is a quick guide to restarting services and your OS itself.
Reboot – Rebooting your server is quite simple. On the console, you can press CTRL+ALT+Delete. If […]