Wikipedia links

• Definition of NZB here

Other links

• News Server Addresses for ISPs here
• If you need QuickPar it can be downloaded here
• MultiPar can be downloaded from here 
• QuickSFV can be found here 
• SABnzbd is the NZB downloader I currently use & can be downloaded here
• If you're living in the UK (like myself) you may be having difficulty reaching the Pirate Bay, so use this link instead. ;-)

NZB Search sites

• NZBScout here 
• NZBIndex here
• Binsearch is a useful Usenet Search Engine
• List of Usenet indexing sites here

My connection settings

• I used the settings below with my broadband provider to access Usenet, I now have a paid account with Pure Usenet. 
• News Server Address: news.viginmedia.com
• Port: 119
• Max Connections: 20

Usage of PAR2

• Example: Verify a PAR File to check if all the RAR Files are complete or whether repair is possible
•  par2 v <PAR FILENAME>
•  Example: If Repair is possible just use the following command 
• par2 r <PAR FILENAME>

Installing SABnzbd on a Chromebook

• sudo apt-get install software-properties-common
• sudo apt-add-repository non-free
• sudo apt-add-repository contrib
• sudo apt-get update
• sudo apt-get upgrade
• sudo apt-get install sabnzbdplus

Installing SABconnect++ on a Chromebook  

• Install SABconnect++ from Chrome Web Store here 
• Finally you'll need to add an API key from SABnzbd to the SABconnect++ extension (SABnzbd Config - General)