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Category: HowTo

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.

Howto fix the MacOS High Sierra blank root password flaw

A vulnerability within MacOS High Sierra was discoverd: It allowes logins and/or changes to critical Settings with the Superuser (root) without a password.
I’m sure that Apple is already working on a permanent fix for that, until then you should safe your Mac!

Howto fix the macOS blank root password Security issue?

  1. Open ‘Terminal’ or ‘iTerm2’
  2. Type ‘sudo passwd root’
  3. Type your (User) password
  4. Select a strong password for root (and repeat it)
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