Sick and tired of countless command line statements to set your firewall rules? Me too. No matter what I try, I never get the results quite right. There’s always some switch I forget and ultimately something isn’t working. For years I was thinking, “there has to be an easier way, like there is in Plesk”? … Read more
I ran into an interesting problem today: on a CentOS 6 server a colleague of mine wanted to reset her WordPress password via the handy link provided in the login dialogue. But rather than sending an email, WordPress got back to her with the following error message: The e-mail could not be sent. Possible reason: … 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
When you’re trying to open any of the Adobe CS5 or CS6 applications in Yosemite, you’ve likely encountered a friendly message such as this: This happens because CS5 and CS6 applications were relying on Java 6, and the current version at the time of writing is Java 8. I’m not an expert on Java, but … Read more
It’s easy to remote control your Mac, no matter if it’s hosted in a data centre far away, or if it sits in your bookshelf across the room. But when you do, you’ll notice that the screen resolution is often not what you’d expect on the monitor you control your Mac from. This is a bit … Read more
Imagine the following scenario: A website is hosted on Server 1. Let’s call it domain.com. The email services for domain.com are hosted on another server, let’s say with Google (via MX records set at the domain level). Email sent from other servers gets through fine, but when you send email from a domain also hosted on … 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
A new “improvement” in Yosemite is the progress bar that comes up when you start your machine. What you Mac does under the hood hasn’t really changed from Mavericks, but the progress bar implies that a long running operating is happening the background. It can look grey with a black background, or dark grey with … Read more