Author Archives: martijn

About martijn

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Plus addressing with Postfix

Posted on May 1, 2012 by martijn

Using “user+foo@example.com” style addresses seems to be disabled in Postfix by default. One single parameter called the recipient_delimiter parameter needs to be set to make use of this kind of addressing in Postfix. Just add this to the main.cf file … Continue reading →

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PaulPaulito.com Linux training

Posted on April 10, 2012 by martijn

Just gave PaulPaulito.com a try. All I can say is that it is a great way to learn Linux or prepare for the LPIC-1 exam. The screencasts PaulPaulito.com offers are in exceptional quality and are a great method to learn … Continue reading →

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Prepare voor RHCE Certification

Posted on April 10, 2012 by martijn

Red Hat’s RHCE certification is one of the most popular certifications in the IT market at the moment. There are different method in preparing for both the RHCSA en RHCE exams. Which works best depends on the individual. I decided to … Continue reading →

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DVB-C via analoge TV bij Concepts. (Dutch)

Posted on April 6, 2012 by martijn

Mocht je beschikken over een FTTH (Glasvezel) aansluiting, dan is Concepts ICT een uitstekende Provider.  Naast het digitale televisie aanbod, is het ook mogelijk om ‘ouderwets’ analoge TV te gebruiken. Er zit een Coax-aansluiting op het Genexys modem waarop het analoge signaal … Continue reading →

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Resize an encrypted LVM logical volume

Posted on March 13, 2012 by martijn

Recently I had the challenge to resize an (dm-crypt, cryptsetup) encrypted LVM Logical Volume on Linux. While resizing a ‘plain’ Logical Volumes can’t get any easier, resizing an encrypted volumes involves a couple of more actions. Also, in contrast to … Continue reading →

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Vim anti-patterns

Posted on February 9, 2012 by martijn

Even if you think you can write a book on vim (or maybe you did), there’s always something new to learn. http://blog.sanctum.geek.nz/vim-anti-patterns/

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ownCloud 3.0

Posted on February 4, 2012 by martijn

The ownCloud project just released ownCloud 3.0. A feature-rich solution for personal file storage, sharing and personal information management. ownCloud is written in PHP and uses a MySQL or SQLite backend. Setting up ownCloud on your own server or hosting-space is … Continue reading →

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Fix “IPv6 addrconf: prefix with wrong length” messages in Linux

Posted on January 24, 2012 by martijn

Glancing trough the system-logging of one of my Internet VPS nodes, I noticed that the Kernel Ring Buffer (dmesg) was quite noisy with IPv6 Router Advertisement messages as: “IPv6 addrconf: prefix with wrong length 48″ Some research learned me that … Continue reading →

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Migrate Apple Time Capsules

Posted on January 14, 2012 by martijn

Just replaced my Apple Time Capsule with a newer one. Here’s what I found to be the best approach in moving data and time-machine backups to the new unit. Hook-up your Mac to an ethernet-port of the old time-capsule. You … Continue reading →

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Apple FileVault 2 on older Mac’s with SSD

Posted on October 20, 2011 by martijn

Apple’s FileVault2 is a valuable addition to OS X Lion. It offers full disk-encryption which I find to be something mandatory on notebooks these days. On ‘newer’ Apple MacBooks, say since the Intel i5 and i7 architecture, FileVault 2 has … Continue reading →

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