Common Linux Terms Every SysAdmin Should Know: Part 1

A large percentage of the world’s servers run Linux, so it is a good idea to know some of the common terms you might encounter while using it. The following terms are a good starting point.
Command Line Interface (CLI) – On the server end, this is the main method of interfacing you will use to […]

Some Benefits of FUSE on a Linux Server

FUSE stands for Filesystem in Userspace. As the name implies, it allows a user with limited privileges to create a functional filesystem without requiring root (administrative) privileges. Because the filesystems exist in userspace, they are technically virtual filesystems. They, nevertheless, function as though they are not. Does FUSE have any use on a […]

Encrypt Your Linux Server Filesystem with eCryptfs

Encryption has become a highly requested feature on the web lately with all of the talk of government spying, heartbleed and general security concerns. While most discussion has centered around encrypting the transport of data (via SSL), you might also want your data encrypted on disk as well. On a Linux-based server, you can encrypt […]

How to Check and Repair a Filesystem with FSCK

It may look similar to a dirty word, but we can assure you that fsck is a tool that can make your dedicated server’s filesystem squeaky clean. With this easy command, you can check for errors and fix them.
To begin you will need to access your server’s command line interface. You can use SSH […]

How to Find Out Disk Usage on a Linux Server

Your VPS, dedicated server, and backup device all have something in common: a finite amount of space. Fortunately, you can always free up space, add a new drive, or compress files as needed. But you never want to get into a situation where the lack of space surprises you. On a Unix or Linux server, […]

A Basic Introduction to the Linux Command Line

If you are managing a Linux server for the first time, you are probably using a web-based control panel, such as cPanel/WHM. ¬†While a control panel may fill most of your basic needs as a system administrator, there are some tasks best left to the command line. On a remote Linux server, you can access […]

The Wondrous World of /proc

Linux servers, regardless of the distribution, all share a common thread that system administrators know about and use to monitor the server and troubleshoot hardware. That commonality is /proc, a truly unique and special file system that can give you all sorts of wondrous information about your dedicated server.
The proc filesystem is mounted at boot […]

Cluster Server Storage with GlusterFS

When operating a dedicated server with multiple nodes, there are various filesystem options, but one that is particularly designed for server clusters is GlusterFS. Scalability is very important for large server installations, and GlusterFS provides the necessary tools.
The software’s project website describes GlusterFS as an “open source cluster storage solution” that is “a […]

Restrict SSH User Access to System Files

For most shared hosting accounts, you will not give your users SSH access, but there are situations where you might. In those unique situations, you need to make sure that the SSH user cannot frolic freely throughout the filesystem, viewing files that should be restricted to the server administrator.
Unfortunately, there is no easy way […]

Important Directories in Linux

Early this week, we briefly covered Linux partitions and their importance. It is also important to know the directories that make up the Linux file system when using a Linux dedicated server. What follows is a very brief guide to some of the most crucial directories. You will notice that, unlike Windows, […]