Category Archives: Linux/unix/osx Desktop

Linux, Unix and OSX Desktop Management

SSH Tunnel

Automatically starting an encrypted tunnel

This shows you how to make a tunnel start automatically… This article assumes that you have accomplished the steps at and it for those using a Linux client (it can probably be done on Windows too with Putty, but this article doesn’t show you how to do that). This is a very easy article, so I’m just going to give you the steps:   cd ~ Read More →

Encrypted Surfing

SSH Tunneling; encrypted surfing with Virtual Hosts

Whether you’re the Secretary of Defense, or just an average Joe trying to survive with some peace of mind and security, encryption is a good thing. Have many virtual hosts on your unencrypted Apache server, but want encryption for whichever virtual host you specify? Here is the solution! Note, this is written for Linux clients – not Windows. You can tweak the instructions to work Read More →

Dealing with dependency problems in rpm distributions

If you use Redhat, CentOS, Fedora, or any other rpm-based Linux distribution and haven’t figured out how to deal with installing dependencies, here’s the solution: For this tutorial, all my file names are theoretical – meaning they may or may not exist – but the point of this article is so you… get the point When I installed Cisco’s Packet Tracer on my CentOS 6 Read More →

Do not put spaces in file names

Spaces in File Names or Directory Names = BAD!

Although Linux supports spaces, it is not a good idea to have them… Our servers are running the Linux operating system. Although Linux supports spaces, it is not a good idea to use them in file names or directory names. It can cause many problems with the integrity of a name on a system. I don’t even use spaces in file or directory names on Read More →

Installing Dell V515w Printer on Arch Linux

Dell printers can be a challenge to install on some Linux distributions… However, once you figure out the key files, it makes it a little bit easier to make things happen. The steps here are basically hacks that I went through until I could figure out what was going on. Here are some KEY bits of information to get things going: Summary of Requirements You Read More →

Making ugly fonts pretty in Arch Linux

In Arch Linux, fonts may be okay, but in some apps like Google Chrome, they aren’t. *UPDATE* This works on Debian, Crunchbang, Archbang, OpenSuSE, and probably most distributions. Here is how to fix the fonts once and for all in Arch. It’s as simple as copy and paste. Take the following code: <?xml version=”1.0″?> <!DOCTYPE fontconfig SYSTEM “fonts.dtd”> <fontconfig> <match target=”font” > <edit mode=”assign” name=”rgba” Read More →

The very powerful sed command

Have you ever needed to replace a string in a file or multiple files? Why not try it without opening a file? I do a lot of web design. Every so often, I will have a string or a variable in a web page which is in there many times. Even more often, the same string will be in multiple files – multiple times. This Read More →

Mount an .iso image in *nix without burning to a CD

If you don’t like to hoard CD’s, just create a disk image from the CD and store it on your hard drive… The advantages of this are as follows: No scratched CD’s or DVD’s More space on your desk Easy to back up or duplicate You can carry it with you and it weighs nothing, and takes up no space in your bag If the Read More →

Bootable USB installation disk (instead of CD) from CLI

There’s no reason to use a GUI program to create a bootable USB disk. Use CLI When people download a Linux distribution and wish to install it from a flash disk instead of a CD, some use Unetbootin or similar programs (great programs by the way), but there’s a way to do it via Linux command line that’s just as easy. Follow the steps below: Read More →

Manually clearing the memory cache in Linux

If your Linux based computer is using a lot of memory and you which to clear the memory caches, then rebooting always helps. However, if you don’t want to reboot, luckily, there is a command that will fix this problem. Typically there is nothing to worry about since Linux is very good at handling memory. First off, Linux aggressively uses memory for caching so that Read More →