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Introduction To The Command Line

Introduction To The Command Line

What is a command line? Command line or shell is the program that interprets commands, Allows a user to execute commands by typing them manually at a terminal, or automatically in programs called shell scripts. A shell...

Understanding Linux CPU Load

Understanding Linux CPU Load

Are you having problems understanding Linux CPU Load? You don’t know when is good or bad… or what those three numbers mean? Understanding Linux CPU Load If you are a sysadmin one of the...

Bash Shellshock Vulnerability CVE-2014-6271

Bash Shellshock Vulnerability CVE-2014-6271

Shellshock Vulnerability On September 24, 2014, a GNU Bash vulnerability, referred to as Shellshock or the “Bash Bug”, was disclosed. In short, the vulnerability allows remote attackers to execute arbitrary code given certain conditions,...

Free Programming Books – BASH

Free Programming Books – BASH

Bash is a command processor that typically runs in a text window, where the user types commands that cause actions. It can also read commands from a file, called a script. Like all Unix...

Best Practices For Linux OpenSSH Server

Best Practices For Linux OpenSSH Server

What is OpenSSH? OpenSSH is a suite of security-related network-level utilities based on the SSH protocol, which help to secure network communications via the encryption of network traffic over multiple authentication methods and by...

Vim Navigation Keys

Vim Navigation Keys

Navigation is a vital part of text editing. To be very productive, you should be aware of all possible navigation shortcuts in your editor. In this article, let us review the following 8 Vi...

Linux Monitoring Tools

Linux Monitoring Tools

Looking for Linux Monitoring Tools what about these built-in commands. These tools provide metrics which can be used to get information about system activities. You can use these tools to find the possible causes of...

Managing Linux Permissions

Managing Linux Permissions

Permissions In this section we’ll learn about how to set Linux permissions on files and directories. Permissions specify what a particular person may or may not do with respect to a file or directory....