The echo command is one of the most basic and important commands in scripting and programming. This command displays or prints arguments at the terminal. The command is included in all distributions (operating systems) as either the shell or bash. Usually, developers or programmers use echo commands in both debugging and building of products such […]
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Web-VMstat—it’s a small application written in Java and HTML which displays live Linux system statistics, such as Memory, CPU, I/O, Processes, etc. taken over vmstat monitoring command line. It’s all presented on a pretty Web page with charts (Sm…
Secure Shell or SSH is responsible for successful network communication between two remote computers. For a Linux system administrator, this networking tool is the perfect solution for remote server/machine access over unsecured networks. Learn how to …
An operating system user that is still a learner in the OS world can never escape the challenges the current elite users have overcome. The user impact of such challenges depends on the operating system flavor or distribution you are under. For Linux users, you might think you are facing an impossible challenge only to […]
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There are times when you want to access a specific file but can’t find it on your Linux system. While there are many ways with which we can search and locate files and directories on Linux, the easiest and quickest is probably through the terminal. This guide will show you how to use “find” and […]
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One of the basic file system administration tasks in Linux involves creating, modifying, and deleting different types of files and directories. Knowing some basic tools and concepts for file deletion comes in handy and can save you time. In this guide you will learn several ways how to quickly and easily delete files and directories […]
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In this article, we will discuss another popular command for the Linux/Unix platform. du stands for “Disk Usage”. It is a standard command used to estimate space usage (meaning, in the terminal we can find the exact size each directory and file takes up). There are multiple ways we can generate various types of output […]
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This article will help you understand the use of the df command in Linux and how to use it with multiple options in Linux/Unix. The ‘df’ (Disk Free) command is an inbuilt utility for finding available disk usage space on Linux servers/storage. This command is mainly used by System Admins, as it is one of […]
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This brief tutorial shows how to find and remove all packages installed on a certain date and time in Linux.
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Linux’s inbuilt utility processes status tool ps allows users and admins to check the information on the running processes. The process is nothing but a program in Linux/Unix that executes a specific task. The ps command in Linux is used to monitor all the currently running activities along with USER, PID, %CPU, %MEM, VSZ, RSS, […]
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Finnix 123 is here almost seven months after Finnix 122 and brings a major change. The sysadmin-oriented distro is now based on the latest Debian GNU/Linux 11 “Bullseye” operating system series rather than tracking the Debian Testing repositories. While the distribution is still powered by the Linux 5.10 LTS kernel series, the Finnix 123 release […]
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Everyday we run so many commands in our Linux system. This brief guide explains how to find your most frequently used commands on Linux operating systems.
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Gaming is a great way to clear your head after a long workday, and automating game installations with Ansible means you can start playing sooner.
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Clonezilla enables you to clone disks and partitions, storing resulting images on a backup storage device of your choice. Clonezilla Live 2.7.3 has been released based on Debian Sid. The new version adds support for mounting BitLocker device as image r…
All supported versions of FreeBSD are affected by various security bugs that need to be applied ASAP. For example, a memory corruption bug exists in the bhyve hypervisor. Another overwrite the stack of ggatec and potentially execute arbitrary code. The…
Managing network traffic is one of the toughest jobs system administrators have to deal with. They must configure the firewall in such a way that it will meet the system’s and users’ requirements for both incoming and outgoing connections, …
This article will help you understand how to check disk space with the df command in Linux and how to use df command with multiple options in Linux/Unix. The ‘df’ (Disk Free) command is in an inbuilt utility to find the available and disk usage space on Linux servers/storage. This command is mainly used by […]
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Managing network traffic is one of the toughest jobs a systems administrator has to deal with. He must configure the firewall in such a way that it will meet the system and user requirements for both incoming and outgoing connections, without leaving the system vulnerable to attacks. Learn more about IPtable firewall rules every Linux […]
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traceroute is a command line utility that prints the route (or hops) that a packet takes to reach another host. It is used for network diagnostics. In this article, we will discuss everything you want to know about the Linux traceroute command and how …
In Linux, processes and ports have a symbiotic relationship. One cannot exist nor function without the other. Processes tend to share ports and some processes rely on a specific port to meet an operating system objective. That’s why you need to b…