Month: March 2007

Joe Job and SPF

First off, get your mind out of the gutter. A joe job has absolutely nothing to do with what you’re thinking about. It’s email related and it can be a pain in the ass to deal with. What is a Joe Job? Joe Job is the term used to describe the act of forging bulk …

By eric


Description: File::ReadBackwards works similar to the linux shell command tac. It reads the file line by line strarting from the end of the file. CPAN: File::ReadBackwards Example 1: Being a System’s Administrator, I am usually doing some analysis on a large logfile. Therefore, I may not need all the information contained in the log. This …

By eric

Building Telephony Systems With Asterisk

Date: 12 Mar 2007 The next generation in telephony in combination with FOSS (Free and Open Source Software) is Asterisk. With the Open Source community revolutionizing telephony, Askterisk is the forging the way ahead. If you don’t know what Asterisk is, then you are going to be left behind. Vitals: Title Building Telephony Systems With …

By eric


Description: The author of this module notes that it is best used, especially by him, when reading or manipulating log files. I have a tendency to use it for the exact same thing, especially when looking for context around captured lines. CPAN: File::Bidirectional Note: Although I would like to note that using the tie’d interface …

By eric

Ensuring Proper New DST Compliance

By now, if you haven’t heard about the change in daylight savings time (DST), then you need to break out from under your rock and update your servers. That’s where luckily, I come in. No, I won’t update your servers for you (unless you pay me and even then it’s iffy), but I will guide …

By eric

Underused Tools

There are a lot of tools for administration and networking that generally go unused. They are very helpful in both diagnostics and general administration. There are even some tools that come installed with linux and go unused and unheard of. Here I am going to cover a mere few of my favorite and hope that …

By eric

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