The REAL internet is waiting!

Did you know, that you can be connected to the internet with a cable and still be in the wrong subnet? That’s what happened to me. I plugged in the cable and the internet worked. Or so I thought. Then I needed to download a file from a company internal location and the server was unreachable. But for my colleague it worked without problems. Mhm. Typo? My colleague sent me a link – no luck. DNS? I tried the IP directly – no luck. Restart? Advice from IT – but no luck.

After involving two more colleagues, we figured it out: There is a thing called 802.1x Security Authentication. Basically, after connecting to the internet, you still need to enter your user credentials to be allowed into the internal parts of the network. In my company’s case, they use PEAP. Apparently, Windows and Mac usually ask for the authentication automatically when connecting to a network that offers this method. Hence the advice by IT to restart. Well, Linux doesn’t ask. You need to know how to answer! When you know it, it’s easy: In Gnome activate the method under “Network Settings” – “Security”. You may need a certificate – ask your admins!

I learned something new today.

Microsoft Teams on Linux

I use Linux in a corporate environment where Microsoft Office 365 is the toolchain of choice. One of the first things I needed to do my job was Microsoft Teams. Here are two things that worked for me.

The first (obvious) idea is to use the web UI. Messaging works out of the box with Chromium or Google Chrome. Getting audio and video calls to work is not obvious anymore. Basically, you need to pretend that you are on a Windows machine. This can be done by setting the “User Agent” to “Edge – Windows” with in the developer tools – see Christian Hujer’s blog post on the topic. Unfortunately, this hack breaks the message history. And there seems to be no way to get screen sharing to work. So while this solution is very easy, it is not optimal.

The second thing I tried and which works fine for me, is the unofficial MS Teams client by Ismael Martinez. I have it running on Ubuntu 18.04. As far as I have seen, everything works. Thank you!