Just passed my Owner-builder exam online at http://www.ozob.com.au. Now I have to go to the office of fair trading and get an Owner-builders certificate. I am so not good at digesting regulations and understanding what needs doing. Funny how some things you do, other...
Ubuntu 9.04 Intel Video Fix
Since installing Ubuntu Jaunty 9.04 I have had a problem with my Intel embedded graphics card not being able to play video. Mplayer Error Message: "X11 error: BadAlloc (insufficient resources for operation)" Discover your Video Chipset: lspci -nn | grep VGA My Video...
imapsync – Migrating to Google Apps or Google Mail
Get the imapsync utility at https://fedorahosted.org/imapsync/ This was a successful attempt to copy all my email from my old dovecot powered server up to gmail using imapsync imapsync --host1 10.11.12.13 \ --authmech1 LOGIN \ --port1 993 \ --ssl1 \ --user1...
Website Design for Small Business
My sister is running a web design business. The reason I'm doing a post is that she is using Joomla as the CMS and leveraging many OSS plugins. It's amazing how good Opensource Software has become in the last year or so. Professional results for minimal outlay and no...
Simple Squid Proxy Check
Squid outage fail-over If you run wccp through a Cisco router and your Squid Cache falls over the router will fail over to serving pages directly. Seamless fail-over is good but So you may never notice that your Squid proxy has stopped responding. So you lose the...
wxPerl – Getting which button has been clicked
I've been using wxGlade to create wxPerl interfaces. This is a sample of how to get one subroutine to handle multiple keys. Clicking any key allows the subroutine to return the label text of which key has been pressed. Pressing a key will give a Wx::MessageBox I...
Cause of QCAD QInotifyFileSystemWatcherEngine::addPaths: inotify_add_watch failed: Permission denied
I was experimenting with restricting multi-user linux boxes. A few days later trying to run QCAD with the above security settings threw this error: QInotifyFileSystemWatcherEngine::addPaths: inotify_add_watch failed: Permission denied QCAD froze. I had to go back to...
squid.conf to allow purging
Update: I kept getting ACCESS_DENIED and ">Access control configuration prevents your request from being allowed at this time. Please contact your service provider if you feel this is incorrect. ERR_ACCESS_DENIED" I added cache_mgr emailaddress@example.com...
99% and 99.9% uptime are a long way apart
If I was supplying you IT services and I said to you. "Your system will be available 99% of the time!" You may be tempted to think. Wow 99% is great. But lets do the maths. 361.4 / 365 x 100 = 99.0% So despite being up for 361.4 days a year you can have a 3 days and...
Hide your Squid Proxy’s internal hostname
I recently went to http://whatismyipaddress.com and And under the front page under "Proxy Server Detected!" I saw the internal hostname of my squid proxy. Which may or may not be a security problem (giving away an internal domain name and hostname). So inside...
About the Author
James is an IT Professional based in Melbourne, Australia.
He blogs about Information Technology, Open Source software, home renovations, good reads and travel.