A couple of days there have been some reports that Red Hat will release a commercialized version of deltacloud, an abstraction layer for different kinds of virtualization technologies and clouds such as VMware, RHEV, Amazon EC2 etc. Red Hat puts a lot of resources on virtualization, they maintain and/or sponsor multiple projects in parallel. The ….Read More
Month: May 2010
A brief test of OTRS::ITSM Changemanagement and the insanity of ITIL compliant software
OTRS is known as best-of-breed in open source incident management systems. Since quite some time, OTRS made its product ITIL V3 compliant. Means: It also comes with a change management module. At work we use a complex and extremely user-unfriedly software. This brought me to the idea to test the OTRS change management module in ….Read More
IUS Community RPMs for Red Hats RHEL
I was criticizing that software in RHEL is too outdated for web servers quite soon after release, see my blog post http://blog.delouw.ch/2010/05/02/rhel6-as-a-web-server/. While this is true for a system fully supported by Red Hat, I learned an alternative from a comment on the post. This alternative is the so called IUS community repository. About the ….Read More
KVM supports live migration between CPUs with different features
The video is a bit old, it is from November 2008. But it is still quite interesting to see and discuss about it. With KVM you can upgrade your farm of servers easy, it does not matter if the new servers have CPUs with new features or not. I’m not sure if you can do ….Read More
An example why open source software is cool
Recently I have set up an Apache Tomcat. As a replacement for the Tomcat manager I deployed Psi-Probe for easy deployment and access to statistics. Afterwards I installed the production software which needs to add a JVM parameter user.country=CH to have the proper date and time format used in Switzerland. This had a unwanted side-effect ….Read More
RHN Inter-Satellite-Sync is kind of tricky and picky
If you try to establish an ISS (Inter Satellite Sync) between two RHN Satellites, do not fully trust the documentation. A slave Satellite must be named by a hostname (IP is not enough) and must have an A and a PTR DNS record or have an /etc/hosts entry. Check it before restarting the satellite by ….Read More
Apache HTTP server and its further development
The Apache httpd is one of the most stable software pieces which is still in use. The latest huge step forward was with the release of 2.0. Quo vadis Apache httpd? The most current release is 2.2.15. During the 2.2.x release cycle, there have basically been only bug-fix releases (Okay, response header rewrite starting on ….Read More
Spacewalk 1.0 released
Spacewalk 1.0 has been released Spacewalk is the upstream project for Red Hat’s RHN Satellite software, one of the best systems management software available for Linux Systems. In the past few weeks one could see a lot of git commits on the source repository of spacewalk. There is no changelog available yet. The road map ….Read More