I had an interesting question posed ot me today by Dominic who asked me to verify whether his all new Digital certificate was correctly being used for signing mail. Thunderbird sadly complained that the signature was invalid, which was unexpected, and that the issuer was unknown ( expected since it comes form a private hierarchy.) [...]
Entries Tagged as 'Unix'
Verifying Smime content with openSSL
August 25th, 2008 · 3 Comments
Tags: Networking · Security · Systems Administration · Unix
Migrating URLs with apache and mod_rewrite
June 6th, 2008 · 2 Comments
Having now migrated to WordPress from my own very customised version of phpBloxsom, which ran the previous incarnation of this blog, Ive been left with the issue of dealing with all the sites pulling my RSS feeds. With the change of software has come a change of url for the location of the feeds. Apache’s [...]
Tags: Applications · Systems Administration · Unix
Systems Administration Cheet Sheets
May 18th, 2008 · No Comments
Colin Barschel has published a rather complete listing of how to perform common unix related tasks in Linux and FreeBSD, and even some Solaris examples. Even better hes got a booklet version as well for easy printing. Something to keep on the back burner/bookmarks for when you get stuck trying to remember just how broken [...]
Tags: FreeBSD · Linux · Systems Administration · Unix
Ubuntu LTS migration for the GUI challenged
April 28th, 2008 · No Comments
With the release of Ubuntu 8.10 (Hardy Heron) and its designation as the new LTS version, I decided to upgrade my one local server from Dapper to Hardy, with the small challenge of I didnt want to do it via a gui. This is partly because I did not have a X client on my [...]
Tags: Linux · PhD · Systems Administration · Ubuntu · Unix
Hilbert Curve TNG – Unix port
April 20th, 2008 · 1 Comment
The Hilbert Curve Rework project is progressing well with version 2.05 having been released, by Nick earlier this week. Ive now taken the opportunity to port the current Windows code across to unix and particularly FreeBSD. Around 10 lines worth of changes later the app built and ran on my FreeBSD 7.0 system. For once [...]
Tags: Unix · Vizualization
Remote FreeBSD install – Depenguinator TNG
April 19th, 2008 · 1 Comment
Daniel Gerzo, has recently published an article as part of the FreeBSD documentation project on how to install FreeBSD on a remote system, when one doesn’t have the luxury of a IP KVM or other remote console. Unfortunately most hosting providers seem to think Linux in its gazillions of flavors (really who would want to [...]


