There are many ways to evaluate disk space usage on Linux, and this post examines a number of commands that allow you to view used and available disk space. The df command stands for “disk free” and, ...

Disk quotas are a mechanism for limiting the amount of disk space and the number of files (inodes) that a user or a group of users can consume. These limits prevent individual users or services from ...

I recently built my first small server at home to learn and experiment on. It is currently running Ubuntu Server 12.04 headless. Ubuntu and my Freenas VM are installed on a 120gb SSD. I want to add ...

Most similar to top is iotop. This program shows you the total and current disk read and write numbers for the file system and also shows you who is eating up the most disk I/O. This screen looks busy ...

In the beginning days of Unix and later Linux, disks were physically large, but very small in terms of storage capacity. A 300 megabyte disk in the mid-90’s was the size of a shoebox. Today, you can ...

The Linux operating system is well known for its powerful command line functionality. As a system administrator, I operate a few hundred Linux servers and most of them don’t even utilize a graphical ...

Linux is a powerful and flexible operating system, widely used in servers, embedded systems, and even personal computers. However, even the best-configured systems can face performance bottlenecks ...

Logs, databases, and caches grow under /var. Learn why Linux admins monitor the /var directory to prevent disk issues and service failures.