Ping not permitted in WSL

Using Windows subsystem for Linux (WSL) is so nice, when you are forced to work from an inferior OS, sometimes also referred to as “a gaming console”Especially combined with the Windows Terminal, which I wrote about here: https://www.nordal-lund.dk/?p=592 I’m sure that most Linux/Unix administrators will feel right at home. Despite all the goodness, there are…

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Upgrading from vSphere VCSA 6.5 pre version U1d to post version U1d not possible

Yesterday I had to upgrade a VCSA 6.5 U1b to U2e, but I got stuck in the process because the VCSA manager said this: Latest updates already installed on vCSA, Nothing to stage/install Hmm, thats not right… google, google, googleSeems that vmware changed the build numbering scheme, and they have an article about my issue:https://kb.vmware.com/s/article/59659Unfortunately…

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Check for open outgoing ports

Want to know which ports are allowed (or open) to use in your organization? You can check all ports with¬†http://portquiz.net/ In bash somthing like this would help you get going: for i in `seq 1024 65535`; do if nc -z portquiz.net $i; then echo “Port $i Success”; :; fi done You will now get a…

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