Common Linux Commands You Should Know: Part 2

In our last post, we looked at 5 Linux commands (technically six) that are invaluable to any new system administrator. The following are a few more, some of which are critical to know.
cat – This is a unique program that allows you to combine multiple files or parts into a whole. It can also print […]

How to Track Running Processes

A process is any type of program currently running in a computer system’s memory. All types of dedicated servers have processes, and on Linux and Unix systems, they are easy to track, troubleshoot, and manage.
One of the most important commands you can use to track a process is “ps”. When executed it will display […]

How to Kill a Zombie Process

Zombies present a particularly unique problem to system administrators. No, I do not mean the type of zombies that eat brains. I mean zombie processes. A zombie process is a process that is no longer active on a system but that refuses to die. In most cases, a zombie is not something that should alarm […]

What is a Child Process?

Although it may sound like something out of a parenting handbook or a psychological journal, the term child process actually has nothing to do with human development. If you run a Unix or Linux dedicated server, you have likely encountered child processes without even knowing it. Therefore, it is good to know what child processes […]

Monitoring Tips Using the ps Command

The ps command is an extremely powerful tool for monitoring processes on a Linux or Unix server. ¬†Processes are the individual instances of a program running on your server. ¬†With ps, you can find out which programs have running processes, how much memory they are using, how much processor power they are consuming, and which […]

More Port Analysis with lsof

Last week we looked at two Unix/Linux commands that you can use to find out more information about open ports and the processes running on them. Another useful tool for process analysis is “lsof”, which stands for “list open files”. The command itself can be used for many tasks on your dedicated […]

The ps Command on a Linux Server

One of the important tasks you should regularly perform when managing your dedicated server, is to monitor the running processes. While the “top” command will provide you with a glimpse of the most active processes, the “ps” command can give you all of them or the specific ones you want.
As an introduction to ps, […]

How to monitor your Linux server

There are essentially two types of remote monitoring you can perform on your server. One is preventative monitoring directly from the command line or control panel, and the other is uptime monitoring, which is normally done by an external service. Both are important for disaster prevention and disaster recovery. It is […]