Nerd Boys » Linux

Linux T-Shirts

Joe Kelly — Mon, 11 May 2009 20:13:00 +0000

When I’m not at the office, I live in T-shirts. As such, I go through a lot of t-shirts and I have to replenish my supply regularly. But what’s a good geek supposed to do when he can’t find one he likes at his local mall? That’s right, he makes his own!

I recently used zazzle.com to make some cool Linux T-Shirts for my own use. When my friends saw me wearing them, they wanted to

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Stupid sed Tricks

Joe Kelly — Mon, 24 Nov 2008 14:47:00 +0000

Here are some handy sed one-liners I’ve come across recently. Maybe someone else will find them handy.

Wrap each line with quotes (quotation marks) – version 1:

sed 's/^[^$]*$/"&"/'

Wrap each line with quotes (quotation marks) – version 2:

sed 's/.*/"&"/'

Replace space with escaped space:

sed 's/ /\\ /g'

How to Create a Tar File That Excludes Hidden Files and Folders

Joe Kelly — Mon, 27 Oct 2008 22:22:00 +0000

Today I wanted to create a tar file that excludes hidden files and folders — ones that start with a dot (i.e. ‘.’).

Like a good boy, I read the fine man page (RTFM — sometimes the F is replaced with a ruder word than “fine”) but I couldn’t get it to work after several different variations of the exclude pattern. It seems that the exclude pattern that tar expects doesn’t follow any of the regular

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How to Use sudo tar in a Script Without Password Prompt

Joe Kelly — Wed, 22 Oct 2008 18:35:00 +0000

If you are rolling your own backup shell script on your Ubuntu Linux box, chances are you might want to use tar or perhaps rsync somewhere in that script. For this example, let’s say you’ve chosen to use tar.

At some point, you will probably want to use cron or some other mechanism to automate your backup. Furthermore, if you want to coordinate the backup of several computers from one central computer, you will probably end

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