I've written a boatload of Linux articles over the years. Not a big boat, mind you, but a boat nonetheless. Today, I'm going to tell you something important. Linux has reached a stellar of badassery and here's why. Not only do we get a free, open and customizable system, but we can also use our computer as a virtual router. Here's how:
1) Open terminal and type the following command
sudo add-apt-repository ppa:nilarimogard/webupd8
2) Now, type:
sudo apt-get update
3) Finally, we can install ap-hotspot
sudo apt-get install ap-hotspot
4) Configuration time, baby!
sudo ap-hotspot configure
If you're connected to an Ethernet cable, it should detect your network as something like etch0 -- just continue. Once it asks to name your network, name it something like awesomenetwork. Your WPA password should be of the following length (this is what I use as my password: fivefifty. No longer, no shorter.
Here are a couple of commands to stop and start your router.
5) Start router
sudo ap-hotspot start
6) Stop router
sudo ap-hotspot stop
7) Restart router
sudo ap-hotspot restart