c# – Hello World

Here we are going to first show you a simple “hello world” program in the form of an exe file. When you double-click on the exe file, all that will happen is that a console terminal will open a display the message “hello world”, like this:   Step 1 -Write […]Read more »

c# – What you should already know

You should already be familiar with the following: Variables Conditonal construct, e.g. If statements Conditional Operators, regular expressions wild cards

c# – Introduction

C# is a powerfull object oriented program language. It is heavily engineered programming language. In this tutorials you are going to learn all kinds of things. In our tutorials we will show you a lot of things that won’t make a lot of things until much later. That’s why we […]Read more »

Linux – cat and nano

  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 […]Read more »

Linux – Help at the Command Line

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 […]Read more »

RHCSA – The Bash Terminal

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 […]Read more »

Linux – Accessing the linux terminal

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 […]Read more »

Give a user more priveleges using sudo

## 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 […]Read more »

Linux – Introducing “VIM”, a powerful text editor

## 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 […]Read more »