How to configure Varnish on Ubuntu Server

I wrote this article for Full Circle Magazine, which was published January 27, 2011 at http://fullcirclemagazine.org/issue-57/  If you operate a web server, pay attention. This article will help you accelerate your page loads and provide you with a more secure network. Varnish is a state of the art web application accelerator. You can operate Varnish [...]

After someone posted on G+ about Microsoft’s new social networking site http://so.cl, I thought that I would pipe up and see if I couldn’t get an invite. Within a couple of minutes, I received an invite from FUSE Labs giving me the go ahead for So.cl. Right away I was annoyed, as the invite requires [...]

Let’s say that you are going to power down your Varnish server, but don’t want to start over from scratch with your cache. Varnish can pre-load URL’s. varnishlog and varnishreplay First, you will need to capture a log file. Use the following command to write a log file for a day or two. varnishlog -D [...]

NASA’s Suomi NPP satellite has captured an 8000×8000 pixel image of the earth. Available on Flickr, this amazing image mirrors the historical “Blue Marble” The Suomi satellite was named after the “father of satellite meteorology,” Verner E. Suomi. The purpose of this satellite is to create highly detailed images of Earth, with the understood purpose of [...]