This site is now 100% read-only, and retired.

This site is going to go read-only

Posted by Steve on Sun 10 Sep 2017 at 07:02

This site was born in late September 2004, and has now reached 13 years of age and that seems to be a fitting time to stop.

( Read 212 more words ~ 24 comments posted )

Implementing two factor authentication with perl

Posted by Steve on Wed 12 Jul 2017 at 17:23
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Two factor authentication is a system which is designed to improve security, by requiring a second factor, in addition to a username/password pair, to access a particular resource. Here we'll look briefly at how you add two factor support to your applications with Perl.

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Debian Stretch Released

Posted by Steve on Sun 18 Jun 2017 at 03:44

Today the Debian project is pleased to announce the release of the next stable release of Debian GNU/Linux, code-named Stretch.

( Read 127 more words ~ 3 comments posted )

Installing the Go programming language on Debian GNU/Linux

Posted by Steve on Thu 15 Dec 2016 at 08:25
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Go is an open source programming language that makes it easy to build simple, reliable, and efficient software. In this brief article we'll show how to install binary releases of the compiler/toolset, and test them.

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Performing IMAP queries via curl

Posted by Steve on Thu 14 Jan 2016 at 08:27
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Most people are familiar with curl, the tool that allows you to make HTTP-requests, and FTP-requests, via the command-line. Recently it gained the ability to perform IMAP operations, and this brief article demonstrates how that is done.

( Read 765 more words ~ 3 comments posted )

Simplifying repetitive Apache configuration with mod_macro

Posted by Steve on Wed 9 Dec 2015 at 12:34

Apache is one of the more flexible webservers, and most of this is achieved via the use of various extension modules bundled with it, or externally available. mod_macro is a great module allowing you to simplifying configuration of multiple virtual hosts enormously.

( Read 576 more words ~ 1 comment posted )

Enabling swap on debian based system

Posted by tuwid on Tue 8 Dec 2015 at 18:01

Recently I found myself without a swap partition (having installed another OS and reworked my disk-setup) so I wanted to share a quick guide to enable swap again.

( Read 302 more words ~ 10 comments posted )

Offering IPv4-only services over IPv6

Posted by Steve on Sun 29 Nov 2015 at 08:06

Although IPv6 is clearly the way of the future there are some software services which only support IPv4 access. Here we'll show a simple approach to exporting them to IPv6-based clients.

( Read 446 more words ~ 3 comments posted )

Analysing performance problems with systemd

Posted by Steve on Sat 26 Sep 2015 at 18:06

Now that Systemd is the default init-system in fresh installations of Debian GNU/Linux it is worth highlighting some of the new features.

( Read 243 more words ~ 10 comments posted )

Validating SPF and DKIM at SMTP-time with exim

Posted by Steve on Tue 4 Aug 2015 at 07:58
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In our recent articles we've discussed creating SPF-records to avoid spoofed mails, and the creation and setup for DKIM-signing emails, for a similar purpose. Here we'll look at the other side of the coin; performing DKIM and SPF testing on your incoming email.

( Read 686 more words ~ 1 comment posted )