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Category: HowTo

Ubiquiti UniFi Security Gateway (USG) with Telekom VDSL and Vigor 130 as a Modem

In our Office Location we have a VDSL100 Business (up to 100 MBit/s downstream with an up to 40 MBit/s upstream) by Deutsche Telekom, with one (1) fixed IPv4 and a big IPv6 network. Before we had a FritzBox attached to the VDSL and used a pfSense behind it. The new setup (due to the issues with double NAT) looks like this: A Draytek Vigor130 as VDSL Modem and an UniFi Security Gateway 3P as Firewall/Router.

Automate macOS Mojaves dark mode

In my opinion, the macOS Mojaves dark mode is one of the best features that Apple introduced for me. I work after hours a lot and the dark mode is awesome for that!
But I think Apple forgot to implement a automation or scheduler for that!

There is a freeware tool called NightOwl that can do the job. I just tested it and it works fine.
But in my workflow I need to do a bit more then just toggle the dark mode of macOS Mojave. Some Apps have the same (and many of then are still not so deeply integrated into macOS Mojave that they use the toggle).
So I came up with an poor mens approach that uses the macOS internal functionality (StartCalendarInterval with LaunchAgents)! to call a script that does all the thinks I want.

Issue with Skype for Business macOS with IPv6

A while ago my, Skype for Business Client on my Mac was unable to connect while I was in the Office. So I switched to our Guest Wifi and did some check (because it’s always the Firewall, and the guest network is nearly open – That is an insider, sorry!) and it just worked fine.

After joining our regular network again, the Client stopped working, on WiFi and Ethernet. The Firewall logs didn’t show anything useful. The Skype Logs itself pointed me to the right direction: Connection issues!

So I started to dig deeper and checked all the hosts Skype for Business tries to reach from the command line (Curl is your best friend in such cases). Tools like Wireshark could do the same job.

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