#learning Articles

  • 2013-07-31
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SDN Course - Interview with Google Network Lead

This week in the SDN course on coursera there were lots of examples of real use of SDN stuff, for example like the B4 WAN by Google. They got a really interesting and cool interview with the Network Lead at Google - Amin Vahdat. And! They actually put this interview up …

  • 2013-07-17
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Make your own L2 Firewall!

Is what I did this week during the SDN Course on Coursera :) Within mininet or with a real OpenFlow capable switch, you can point the switch to use a controller. The controller would figure out all the smart stuff and the switch only does what the controller tells it to …

  • 2011-10-26
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Scientific Linux 6 - Basic Setup

Not allowing root to log in By default sshd is running on SL6 and you can ssh in with 'root'. Probably a good idea to change this in /etc/ssh/sshd_config permitrootlogin no But first, create a user that can log in. useradd mart passwd mart Then you can change …

Install Scientific Linux 6 in VMWare Workstation

Time for some more Linux testing. The reason for this is because I think I will go ahead and try to study for the RHCSA - Red Hat Certified System Administrator. Work might send me to a course in December, probably wise to play around with it before this. So here …

BCFP 16G Beta Exam Material

After the announcement of the available material Fabric OS 7.0.0a has been released. On the page http://community.brocade.com/docs/DOC-2041 only the first revision of the 7.0 release notes is available. The BCFA 16G beta course material is also available, probably a good idea to …

  • 2011-07-13
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Reading encrypted/password protected pdf on Linux

The problematic PDF The CFP300 material on http://community.brocade.com/docs/DOC-2041 is encrypted so that it cannot be printed/re-edited without a password. If you try to open this with evince (default .pdf viewer in Gnome) it will ask for a password. pdftotext (comes with the software suite …

  • 2011-06-20
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This is from a post on the ITRC forum, I will copy it into here because the forum are moving soon and you never know if the links will work or not :) Also I do want to immortalize it. Title: Is it just me? Or does everything required a fw …

Learning Storage

** 2011-08-18 Just updated the link to the HP forum. I also wrote a primer to Data Storage. Just listened to this podcast episode #96 of Infosmack on theregister (about storage). Very interesting to hear what some really experienced people say about storage and the future. Like hybrid disk drives becoming …