"Building Immutable Cloud Infrastructure one container at a time!"
Commands: cat nano # This is a text editor. no need to learn this. vim is much better. Config files: n/a Notes: Here are some example using cat (as a text file creator rather than a file content’s outputter): example 1: $ cat <<EOF =>testfile # This lets […]
Commands: man {command} info {command} pinfo {command} # displays man pages in a slight differently user friendly format. man -k {search term} # Searches all the search terms for the search-term, and lists all the man pages where there is a match. apropros {search term} […]
In Linux, nearly all day to day tasks are performed inside a command line terminal, aka the bash terminal. There’s a few ways to access it depending on various circumstance. First of it depends on whether you are sitting in front of your Linux machine or you want to access it remotely (e.g. this is […]
The way you access the linux command line terminal, depends on the scenario: Scenario 1 – Access your Linux desktop machine’s terminal Using the gnome ui, interface, simply go to: Useful Tip: you can create a desktop shortcut to save time. Scenario 2 – Access a remote linux server’s terminal from a windows […]
## Setting up and assign sudo priveleges The Sudo utility lets you give a users custom privileges so that they can run commands that they are not normally allowed to run. For example, only the root user can run the “Shutdown” command. But if you want give another user permission to run this command, then […]
## How to switch users or temporarily become root ## Commands covered in this article id # Displays the username of the currently logged in user. It also displays what groups the user belongs to. su # Lets you (s)witch to another (u)ser while logged in as […]
## Howto: open and edit files in Linux In Centos, you can view files either from the command line, or using a gui text editor called emacs. But in this article, we will focus on doing this from the command line. ## View files In linux there are several commands to view a file. Here […]
What is tar You may have come across the gzip and bzip2 commands which are used for compressing individual files. But if you want to compress a whole directory, then the command you need to use is tar. The tar command requires you to declare a number of options for it work, so the best […]
## File compression. ## Commands covered in this article gzip # A file compression utility bzip2 # A file compression utility tar # A tool that can <l=>archive a whole directory<l=> and convert it into a single file. star #.secure tar. (not as important but worth […]