I decided to write a very small disk usage reporting script that provides some extra information than does just using ‘du‘ directly.  The script of course uses du, among other command line tools and parsing commands to generate the little …

Tiny linux disk usage reporting script – dux.bash Read more »

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Often when you are maintaining a large number of servers, it is useful to be able to query those systems all at once to find out information like IP address, configured hostnames, and even the OS version.   In this …

Checking OS Version Across Multiple Hosts with Ansible Read more »

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I’m almost through the book Soft Skills: The Software Developer’s Life Manual. I’m listening to the audio-book.  I like it, it’s pretty good. Along with the benefit of having the author, John Sonmez narrate his own book, he also provides …

Soft Skills: The Software Developer’s Life Manual – A Review [Audiobook] Read more »

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Source: http://askubuntu.com/questions/9135/how-to-backup-settings-and-list-of-installed-packages Warning: Read about caveats in the link above before use #——————————————————- ## The backup script dpkg –get-selections > ~/Package.list sudo cp -R /etc/apt/sources.list* ~/ sudo apt-key exportall > ~/Repo.keys rsync –progress /home/`whoami` /path/to/user/profile/backup/here ## The Restore Script rsync …

How to Backup an Ubuntu Desktop (12.04, 14.04) Read more »

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Externalization and Deduplication Developers who understand the concepts of modularity and deduplication should immediately recognize the power behind being able to include settings and commands from external files.   It is seriously counter-productive to maintain multiple scripts or playbooks that …

Ansible Playbooks – Externalization and Deduplication Read more »

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This article is in response to the following question posted in the Perl community group on  LinkedIn: I’m new to PERL and trying to understand recursive subroutines. Can someone please explain with an example (other than the factorial ;) ) …

Examples of recursion, in Perl, Ruby, and Bash Read more »

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I manage a few personal mail relays that I use for relaying my own mail and for experimentation purposes (mail logs are a great source of unique and continuously flowing data that can you use to try out different ideas …

Managing Your SMTP Relay With Postfix – Correctly Rejecting Mail for Non-local Users Read more »

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Last night I attended a talk given by Dr. Damian Conway (of Perl Best Practices fame) titled “Fun With Dead Languages“.  Although this is a talk that Damian had given previously, it is the first time that I heard it, …

My Fun With Necrolinguaphilia Read more »

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An Opportunity To Play Around with CentOS One of the personal projects that I’ve always had itching away at the back of my mind was the urge to revamp my home network monitoring and security.  One of the tools that …

Installing CentOS 6.4 from a Net Install Image on a Virtual Host Read more »

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  If you and your team, in 2013, are still sharing Microsoft Office (Word, Excel) documents via internal corporate e-mail, I’ve got news for you.  You’re doing it wrong. “Live documents” are documents that are actively being updated and collaborated …

Why You Shouldn’t be Sharing “Live” Documents by E-mail Read more »

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Over the last week I’ve been playing around with Ubuntu 12.04 (Precise Pangolin) and Linux Mint 14 (Nadia).  Although I can appreciate Linux Mint (it is indeed very elegant), I think I will be sticking with Ubuntu 12.04 LTS for …

Adventures with Ubuntu 12.04 and Linux Mint 14 (Nadia) Read more »

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World’s most popular Web Server powers nearly 400 million Websites across the globe Numerous enhancements make Apache HTTP Server v2.4 ideally suited for Cloud environments. They include: •    Improved performance (lower resource utilization and better concurrency) •    Reduced memory usage …

The Apache Software Foundation Celebrates the 17th Anniversary of the Apache HTTP Server with the release of v2.4 Read more »

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[techweekeurope.co.uk] UK Government To Demand Data On Every Call And Email Plans could force ISPs and phone operators to hand over records on all phone calls, emails, Tweets and Facebook messages [telegraph.co.uk] Phone and email records to be stored in …

UK Government To Demand Data On Every Call And Email Read more »

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Danny Hillis gives us a summary of the evolution of humanity and technology, and outlines a clear pattern, that gives us insight into how the future of humanity and technology could potentially unfold going forward. http://video.ted.com/talk/stream/1994/Blank/DannyHillis_1994-320k.mp4

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I’ve been toying around with functional programming, and recently came across a perlmonks thread discussing multiple ways to calculate prime numbers.  One of the things I noticed about many of the examples was that almost all of them used loops …

Playing With Prime Numbers Read more »

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I’m currently making may way through a book called “Seven Languages in Seven Weeks” by Bruce A. Tate.  So far it’s been an interesting read, but I’m far from finished. One of the things in the book that caught my …

Playing with Factorials, Haskell, and Perl Read more »

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