How to MD5SUM (and SHA256SUM)

In this post I’ll be covering what is and how to MD5SUM and SHA256SUM (which is essentially a more secure version of MD5SUM). Before we get into how to create and verify an MD5SUM, we’ll cover what exactly it is. MD5 is (surprise, surprise!) the successor to MD4, which is a cryptographic hash function that creates a 128 bit … Continue reading

Tar Quick Reference

This post is intended to be a quick reference for the switches to extract and create tar archives. Archive creation: tar cvf filname.tar /files/to/include tar cvzf filename.tar.gz /files/to/include tar cvjf filename.tar.bz2 /files/to/include tar cvJf filename.tar.xz /file/to/include Archive extraction: tar xvf filename.tar tar xvzf filename.tar.gz tar xvjf filename.tar.bz2 tar xvJf filename.tar.xz

How to Compile and Install from Source Code

This post covers how to compile and install a program from source code. First up, you will need to get the package build-essential. This package is a list that contains a few essential items for compiling from source, namely package development tools dpkg-dev, the g++ compiler, a few libraries and the make program. To … Continue reading