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No more apt-get prompts 30 May 2013 | 02:43 am
Sometimes you might be installing a package and don’t want it to prompt at all. Apt will prompt you a lot sometimes if you just do an apt-get install packageName. For example If you want to install, i...
grep only stderr from a command 6 May 2013 | 08:49 pm
So sometimes you have a command where you want to only grep stderr. For example I use Cronic to manage all my cronjobs. It’s really nice since it sends a nicely formatted email back to you if a comman...
Remove internal hosts in postfix 15 Apr 2013 | 12:21 pm
A proper way to setup your network is to have a postfix relay server sitting somewhere on your network that every other server has access to via port 25. Now your relay server(s) are the only ones tha...
How many bits per point in a whisper file in graphite 19 Oct 2012 | 10:57 am
This is an easy one. You do an ls over a whisper file and get something like 1.1M -rwxr-xr-x 1 root root 1.1M Aug 9 11:06 Active.wsp Now you are planning to save more metrics in your graphite server...
Google Authenticator with OpenVPN for 2 factor auth 9 Oct 2012 | 08:12 pm
This post will describe how to get it working with Ubuntu 12.04. It should work with other versions along with other Linux distros. The only difference is the package names might change. Install the p...
Stripe CTF 2.0 Level 3 28 Aug 2012 | 11:29 pm
About Here is a python level. They claim this one is more secure and it is a bit more but not really. Hint Given There really is no hint given other then in the code Problem in the code So take a look...
Stripe CTF 2.0 Level 2 28 Aug 2012 | 09:40 pm
About This is another PHP level where they emulate a little social network where you can upload a image of to use for your profile. This level goes into what is wrong if you don’t force an output file...
Stripe CTF 2.0 Level 1 27 Aug 2012 | 09:44 pm
About In this level you are given a form where you have to “guess” the secret password to get the password to the next level. This level is in PHP and requires you to really looking at the code to fig...
Stripe CTF 2.0 Level 0 27 Aug 2012 | 09:19 pm
About This is the first level of Stripe’s challenge. You start off in an app that stores secret passwords for users and you have an option to store a password or retrive a password. Hint Given So the ...
Simple script to selectively remove emails from postfix’s queue 21 Jun 2012 | 12:48 am
If you send out a lot of emails, the queue in postfix might be full of junk emails from people putting like [email protected] as their email address. Now there could be other valid emails in there that ...
