September 30, 2018

How to create a bootable installer for macOS

There is a new version of macOS out (at the time of writing 10.14 Mojave) and you want to upgrade. For the past few upgrades and this one Apple provided the update via the App store. This is all fine and well if you have a good unmetered(uncapped) internet connection to download the +- 5Gbyte installer. The big catch with the installer is if you follow the default install procedure the installer deletes itself after the install. Read more

November 3, 2016

Change your Unix login shell

If you don’t like the default shell on your system you can easily change it with the chsh command e.g. chsh -s /opt/local/bin/bash You will be asked to enter your password to make the change.

October 17, 2016

Reset DNS cache on Mac OSX

To reset (flush) the DNS cache on Mac OSX depends on the OS version. One of the following commands in the terminal should do it for you. sudo dscacheutil -flushcache or sudo killall -HUP mDNSResponder or sudo discoveryutil mdnsflushcache

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