Category: Utilities
Linux Commands for Disk Space
This tutorial shows Linux commands for disk space information gathering. The commands explained here are df and du, additionally the tutorial shows how to list the largest files in your system Linux Command for Disk Space information The df command in Linux systems shows information on the space used and available by disk devices. The…
How to List all Linux Disk Devices
How to list disk devices in Linux with lsblk The proper way to list block devices such as hard disks is using the command lsblk. # lsblk -a Note: the -a flag forces lsblk to list also empty devices. In the first column you can see all the connected devices, in the image above you…
Command Line Apps to View CPU and GPU Temperature in Linux
Many Linux distributions ship with applets and widgets to view information about hardware sensors and their respective temperature values. Third party apps like system-monitor extension for GNOME Shell and Psensor also provide graphical frontend to monitor thermal values. As far as command line apps are concerned, only a few exist but they are capable of…
Linux Command for Uptime
Uptime is the time a device, usually a server, is available, turned on and connected without interruption. Among Sysadmins the uptime of a server may be interesting to evaluate the components and configuration, for example, I have an old Slackware server with over 3 years of uptime without human intervention, showing evidence of Slackware stability….
Command Line Apps to Perform a Internet Speed Test on Linux
Internet connection speed tests are helpful for finding out network connection problems, ISP throttling, server throttling, or other connectivity issues. This article will list some of the most popular methods to conduct speed tests in Linux using command line apps. Fast-cli Fast-cli is a command line utility to check download and upload speeds of your…
Linux Ping Command
Ping is a diagnosing tool which allows to check the connectivity of any IP address by sending ICMP packets designed to report errors and operational information. This tool is present in all OS (Operating Systems) and it is perhaps the most basic command to interact with a network or devices through it. Ping uses ranges…
Route command in Linux
Before showing how the route command should be used in Linux it is necessary to understand what a routing table is. A routing table is a file containing information on how the information or packets should be transferred: the network path to all nodes or devices within a network. It is a map used by…
How to Get Hardware Info on Linux
Linux users, especially administrators, need to know accurate information about the hardware platform they are using. This helps them in installing not only compatible software but also hardware components according to the system they are on. Linux has both built-in and easily installable commands that can be used to fetch the required system and hardware…
Grep Command in Linux
Grep (global regular expression print) command is the most powerful and regularly used Linux command-line utility. Using Grep, you can search for useful information by specifying a search criteria. It searches for a particular expression pattern in a specified file. When it finds a match, it prints all the lines of a file that matched…
Linux File Compression Options and Comparison
Compression, in general, is a useful method that is essentially encoding information using less data than the original one. In the case of Linux, there are various compression options, each with its own benefits. A generic Linux distro offers access to a handful of really useful and simple compression mechanisms. This article will only focus…