Posted by myatu

Guide: Firewall and router with Proxmox – Extending its use

on March 20, 2010 in Linux with 13 comments by

Last year I wrote a guide on how to use Shorewall as a firewall and router for Proxmox. As a follow up I will answer a few questions I’ve received about that guide that can help you extend its use.

Proxy ARP

The most common question is in regards to proxy ARP. Enabling this option will allow you to assign a public IP directly to your guest VM, eliminating the need for port forwarding (DNAT) or having to worry about the MAC address.

As an example use for proxy ARP, it is helpful for those using a a SIP-based VoIP server since a STUN server is no longer required. read more →

WP Flickr Background version 1.0.3 (Beta) available

on March 6, 2010 in WordPress with 2 comments by

Version 1.0.3 has been released, which fixes a few minor bugs and introduces a new option. It is still considered to be in a Beta stage, which most likely will change with the next release.


  • A new option has been introduced to hide the license and attribution information in the footer.
  • Bug fix: Config hash file was never initialized
  • Bug fix: Enabling “cacheable” option resulted in fatal PHP errors in some cases
  • Bug fix: Preview option did not work when “cacheable” option was enabled
  • Bug fix: “All Rights Reseved” licenses had no URLs

In addition, WP Flickr Background is no longer compatible with WordPress version 2.8 or older.

WP Flickr Background version 1.0.2 (Beta) available

on February 26, 2010 in WordPress with no comments by

Well, a little over a month ago I had put the final touches to the WP Flickr Background plugin and entered it into Alpha stage. Over the entire month and with a few thousand visitors, there were only two issues reported (one of which was unrelated).

Satisfied with this, I’ve now made version 1.0.2 available as a Beta product. That means you can now use it for your own purposes, however I do not recommend using this in a production environment just yet (although nothing is stopping you from doing so – use at your own risk!). read more →

WP Flickr Background

on February 26, 2010 in WordPress with 55 comments by

WP Flickr Background is a simple to use WordPress plugin that allows you to display a photo from Flickr and other sources as the theme background, without the need to modify any files.

All you need to do is create one or more galleries within the plugin’s settings, each containing a collection of photos that you have chosen, and WP Flickr Background will randomly select a photo from the active gallery to display as the theme background. read more →

I’m back!

on January 23, 2010 in Personal with no comments by

I apologize to everyone who had difficulty accessing the website in recent days!

I had taken down the website to make some changes to the web server, which quickly became a major overhaul. I figured that since it was already down, I might as well do the things I had long planned.

A good portion of it is implemented now, but I’m not completely done. I’ll give it my best effort to ensure there will be little to no downtime. Once again, my apologies!

WP Flickr Background in Alpha testing

on January 20, 2010 in WordPress with 8 comments by

If you’re new to this website, you probably haven’t noticed. But the background you’re seeing is actually something new. And random. And streamed from Flickr. It’s a new plugin that I am developing for WordPress called ‘WP Flickr Background’.

A little over two weeks ago I changed my theme to Motion by 85ideas, and was intrigued by its effective use of transparencies and the background. And since I quickly get bored looking at the same thing, I thought ‘Why not make this background random’? Flickr provides millions of photos, many of them under a Creative Commons Attribution License, and this would be an excellent source for those random backgrounds. So I started coding… read more →

Yet another year!

on January 2, 2010 in Personal with 4 comments by

First of all, I’d like to wish you a Happy New Year! Those years sure come in quick succession, don’t they? Or at least they seem to be when you’re constantly busy with things.

So I have been keeping myself busy with a number of projects, some small, some big. One project has been updating my blog a bit, giving it a fresh coat of paint and tweaking a few bits and bytes. All this tweaking will give the articles some more room, because in my previous layout it seemed rather cramped. I still don’t have a logo though, so those three overlapping circles in the upper-left corner will have to do for now. read more →

Faster WP Super Cache with NginX

on December 17, 2009 in Projects with 9 comments by

Burnout!A while ago my blog started to act up by randomly showing translated pages in place of the desired language. The culprit was a WordPress caching plugin (Hyper Cache) that started to misbehave with the latest upgrade. I promptly disabled it and went on a search for a replacement.

As you may have read in one of my previous blog entries, specifically “NginX and Apache, but no memcached”, I prefer to use NginX as the front-end serving static files, and Apache as a back-end dealing with the dynamic pages. So it would be ideal if NginX could serve up static WordPress files, which is exactly what I am doing now with the help of WP Super Cache. read more →

DNS performance benchmarking update

on December 14, 2009 in Linux with no comments by

A few days ago I posted a short blog about DNS performance benchmarking by Google using namebench. After the rather surprising results, I decided to replace the primary upstream DNS server with OpenDNS.

Once I had run the namebench too again, the results were showing a huge leap in performance. But strikingly, BT’s DNS servers were still faster than my own local servers. Jonathan, the resident monkey, also commented about this based on his own tests. It seems that there might be something amiss with the namebench tool (and I shall dutifully point this out to Google, to see what they have to say). read more →

DNS performance benchmarking by Google

on December 12, 2009 in Linux with 2 comments by

Today I came across namebench by Google, a DNS (domain name system) benchmarking tool and gave it a try.  To my surprise, namebench determined that a DNS server owned by BT and located in the UK was faster than my own or my provider’s DNS servers, both of which are located in France.

In fact, this is the damning message that namebench gave me: read more →

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