A run through the pros and cons of VMware ESXi and Citrix XenServer. And why we redeem ESXi for XenServer.
In programming some variable types are passed by value, others by reference. Using one or the other has a number of implications. This article handles about the implications of passing variables by value on speed and memory usage in PHP.
Google added a new labs feature to Webmaster Tools: Site Performance. Besides showing how fast (or slow) your site is, it also gives you some page speed suggestions.
When working with SOAP Web Services, it’s sometimes handy to see the raw SOAP request sent by the client and the raw SOAP response received from the server. This makes debugging your SOAP server or SOAP client that much easier.
After adding some guests to our VMware Server installation (more information about the installation of VMware Server in Ubuntu) I noticed it becoming realy slow. Even when the guests weren’t realy doing something, it was slow. Continue reading
Recently I had to install VMware Server 1.0.6 and the Management User Interface (MUI) on a fresh installation of Ubuntu 8.04 (Hardy Heron) 64bit edition. Not all went well, but I found some really great information from other people struggling with the same problems. But because all this information is scattered around, I decided to make this post as a compilation of all the information I needed to successfully install VMware Server 1.0.6 and the Management User Interface (MUI) on Ubuntu Hardy Heron. Continue reading
Did you ever need to move a PostgreSQL database from one tablespace to another? Well I had, last week. It is so much work to do it all by hand, especially when you have 350+ tables with an average of 2 indexes per table. This had to be automated. Continue reading