Here I would like to take you through the steps to configuring and securing a router (In this case we will use the WRT54G as an example) for your home or small office setup. 
Securing a router can be very important especially when the wireless function is enabled.  Likely the most important reason is to [...]

There are plenty of ways to share resources and files between two or more computers.  You could do things like:

Email yourself an attachment.
Use FTP between the two PC’s.
Use SSH between the two computers.
Use sneaker-net: copy the files to Flash Disk, DVD, CD, (gulp) floppy etc. and walk over to the other computer then load [...]

One of the things you definitely want to take a backup of on a regular basis, especially if you are a WebAdmin/WebMaster is that of your MySQL database for things such as a forum, blog or anything else you have that may use MySQL on your site. For this you'll need telnet/ssh login to [...]

Working remotely from various places, I needed to have access to my Linux machine at home. Unfortunately for me, my DSL IP was dynamic and at the time my ISP would change this IP several times a day. That was good for maybe only a few hours and then it would change to something [...]