Have you ever come across the above dialogue, asking if you’d like to “accept incoming network connections” on your Mac? It’s caused by the Firewall and it’s meant to be helpful. Because if you have an app that needs incoming network connections all the time, you can just add them to the Firewall rules (under … Read more
I passionately *H*A*T*E* the startup chime that my Mac makes when I switch it on. At least on my MacBook, if the volume is turned down before I shutdown, the system restarts silently. I guess it’s somehow linked to the internal speakers. Sadly on my Mac Mini this approach doesn’t work: due to the lack … Read more
Windows users have a great free tool called ISO2USB which efficiently transfers ISO images to a USB stick. Mac users don’t have such a luxury – at least I haven’t found one yet. Instead we can make use of a command line tool named dd which can do this for us. It needs a few … Read more
Yesterday I was trying to open an installer which was offered as a .dmg file. That’s a disk image which mounted itself fine, but when I ran the installer contained in the disk image, all I got was an error message: “ZBrush to Keyshot Content Installer is damaged and could not be opened”. At first I … Read more
root is the most powerful user in Linux and UNIX systems, from which OS X is derived. The root user can read, write and delete every file on the system and – when placed in the wrong hands – destroy the entire system in a flash. Even power users on a Mac have very little … Read more
How to install Mac OS X onto an external drive
