Linux/Unix Terms You Should Know: Part 2

In part one, we looked at some of the important terms a new system administrator should know when starting work on a Linux server. These next terms are equally important and will help you along the way as you begin to learn more about your server.
man – This command, short for manual, gives you […]

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 […]

5 Basic Server Security Tips

As we approach the end of the year, now might be a good time to review your security practices and fix any weaknesses in your system. The following are 5 basic security tips to keep your server secure.
1. Secure remote access – Whenever possible limit the amount of remote access users can obtain, and secure […]

Configure Linux to Restrict SuperUser to One Group

The last thing you would ever want or need on your dedicated server is for an unauthorized user to gain root access. This applies to both those external users with malicious intent and those who have limited privileges and may just play around with their newfound powers. Either way, it is bad news. One practical […]

How to Manage MySQL Users in Webmin

In a previous post, we looked at some of the ways in which you can manage a MySQL user from the mysql command-line prompt. Today, you will learn about managing MySQL users from within Webmin’s web-based control panel.
To begin managing MySQL in webmin, do the following:

Login to webmin and find the section called “Servers”
Click “MySQL […]

How to Setup ownCloud: Open Source Cloud File Storage

The cloud has become quite popular in the IT world. One could say that the cloud is taking the tech world by “storm”. There are many reasons for this, some financial, others practical, but ultimately it is an option that is worth considering.
The most popular form of cloud computing is the public cloud. In this […]

For Backups Rsync Beats FTP

When you decide to backup your server (hopefully sooner than later), you will need to choose a transfer method.  Unless your backup device is physically attached to your server, that transfer method will involve a network or remote Internet connection.  FTP is a common method of file transfer that many people use for their websites, […]

5 Different Ways to List Files on a Linux Server

On your desktop or laptop computer, viewing files is usually as simple as clicking an icon.  Most file managers also have sorting features so that you can view your files in columns, grouped by type, and numerous other variants.
On a Unix or Linux dedicated server, you do not have this luxury.  While you can install […]

Common Linux Server Errors and Solutions

Linux is one of the most popular server operating systems, and it has gradually supplanted Unix as the world’s server OS of choice.  There is no single definitive Linux OS but rather several “distributions” based on the Linux kernel.  Because of this, there are some functional differences; however, most of them have similar commands and […]

Secure File Transfer Methods for Servers

Your dedicated server inevitably contains sensitive data, whether it is simply passwords or  customer credit card information.  Whether the data is highly classified or just something you do not want other people to see, it is important to keep it secure and also transfer it securely.
FTP is the tried and tested method for general file […]

Granting Users Access to Privileged Files

Linux dedicated servers set permissions for every file, including applications.  Fortunately, it is very quick and easy to change the permissions of files in order to give specific users access.
First, it is important to understand how ownership and permissions work in Linux.  Every file has an owner, and that owner […]

Find Out Server Metadata with Stat

Running Linux on a server is a great way to find out about the inner workings of a computer. Linux provides numerous tools to help you learn important system information. In a previous post, I highlighted some of the Linux tools you can use to find out critical information about your server’s […]

How to Use Chmod

File permission settings may very well be the most important thing you ever learn in Linux server management. When file permissions on a dedicated server are correct, no one notices, and everything runs smoothly. When even one file permission is wrong, it can result in an error or, even worse, a security hole.
Linux […]

How to change file ownership on a Linux server

There are some rare, yet extremely annoying, instances when you might have a script or service that refuses to run because it needs to be run by a particular user. Usually the problem is that the user in question does not have the necessary permissions to run the script. Rather than using […]

What is “root” on a Linux Server?

When you enter into the world of dedicated servers, you are going to hear new terminology, acronyms, and strange ways of pronouncing software titles. One common term that experienced system administrators will throw around is “root”. Just as the roots of a tree are its strength and foundation, root on a Linux server […]