Book review: Software Defined Networking with OpenFlow (Packt Publishing, ISBN 978-1-84969-872-6 by Siamak Azodolmolky) Summary: A clear book on SDN with the ability to test and experioment using mininet. The subtitle, “Get hands-on with the platforms and development tools used to build OpenFlow network applications” covers the contents fully. I did like the book, both […]
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At the start of running KVM, I have created all the images to be used for VM’s at the same size. Just to have the additional space, without the hassle of having to add space to it. However, having images at the same size, while usage is below 10%, backup takes too much time. So,
Running IPv6 fully, means your systems attempt to connect over IPv6 first. Normally, when I’m browsing a site, that is not a problem. When sending mail, however, the receiving mailserver wants to be able to identify the sending server. This server says ‘hi, i’m mailserver’ so the receiving side does a verify to check to
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