Category: Linux and Unix

Linux and Unix

In most medium to large businesses there are times, when you need to send mail to a mail relay service. This is used due to restrictions in access to external networks. Instead of having to open ports for every server in a network to allow sending of mail. You setup a mail relay server to allow mail to be routed through.

Here is how you setup a server to send mail to mail relay service instead of through the default gateway.

  1. Install postfix package.
  2. yum install postfix

  3. Edit /etc/postfix/main.cf
  4. See below for what the lines look like

Linux and Unix

In Linux if you have a Nvidia graphics card or about to install one. There are two choices of drivers you can install. On one side you got the proprietory drivers from Nvidia and on the other side you got the open source Nouveau drivers.

Both of these drivers are built for Linux and work fine for most Nvidia graphics cards with no issues. But it’s known in the Linux circles that for a while Nouveau drivers just wasn’t up to par, when it came to the heavy graphic rendering intensive work needed in games and 3d animation, when compared against Nvidia.

But latley with new developments

Linux and Unix

Mozilla Firefox 4 has finally been released after such a long development cycle, when compared to the development of the recent releases of Internet Explorer and Google Chrome.

For those who have been waiting all this time. It can be painful waiting for the new version of Firefox to show up on the default repositories.

Here is a way to install the new Firefox 4 without having to wait,

Linux and Unix

Tux Linux LogoYou might be completely new to Linux or have already started using Linux but might be wondering where else to go to learn Linux. I am here to give you the best ways to learn Linux from nothing.

Following I believe are the most effective ways of learning about Linux, there are further methods which can be just as effective but I believe these are the easiest for those with limited knowledge on Linux,

  1. Jumping In
  2. This step is to just install Linux as your default operating system. Get rid of your current operating system and live within the Linux goodness. When you find that you can’t find a feature that you were using before, try and search for that feature and see how you can do it on Linux.

Linux and Unix