Plist files contain preference specifics and properties relevant to a particular application or portion of Mac OS X system software. Depending on where the plist file is located and what function they serve, they can either be in XML format, binary format, and sometimes even json. For users who need to modify a plist file … Read More
The Mac hosts file is a system level file located at /etc/hosts which maps IP addresses to host names for Mac OS X networking. Many users edit and modify the hosts file so that they can point a domain to a different IP address, whether for the purpose of local development, blocking sites, or simply … Read More
Though just about everyone has our phones glued to us with a dedicated calendar app, for users who spend considerable time in the command line it can be more efficient to stay put rather than stray to another app or pick up a different device to flip around in the calendar and find a given … Read More
There’s no shortage of methods to retrieve a weather report, the web is full of weather resources, everyones iPhone, Apple Watch, and smartphone has a weather app, Siri can tell you the weather, and you can even get the current weather in the menu bar of OS X or from Spotlight on the Mac too. … Read More
Advanced Mac users may find it necessary to view or directly manipulate firmware variables found within NVRAM on the computer. Typically the NVRAM contains specific system data about things like the system audio level, startup disk details, an active user name, screen backlighting and resolution, and other technical details. While most users have no business … Read More
While most Mac laptop users will rely on the battery percentage indicator found in the menu bar of OS X, those who spend a lot of time at the command line may find it useful to know that MacBook battery life and battery charge percentage remaining information can be retrieved directly from the Terminal in … Read More
Users who have enabled the firewall in Mac OS X may find it useful to be view, read, and monitor the associated logs with the system firewall. As you’d expect, the app firewall logs show you what applications and processes have attempted to connect to the Mac, including accepted and refused connections. There are several … Read More
Apple removed the ability to burn disc images from Disk Utility from MacOS High Sierra, Sierra, OS X 10.11 El Capitan, and newer, and while that makes sense for many Macs that no longer have SuperDrives, CDRW, and DVD burners, for those who use an external burner, use disc drive sharing, or who do have … Read More
If you adjust DNS settings on a Mac and the changes seemingly haven’t taken effect, or perhaps you discover that a given name server address is not resolving as intended, flushing the DNS cache is often a quick resolution. Flushing DNS cache in OS X El Capitan (10.11 or later) is easily possible with a … Read More
Gatekeeper is a security feature built into Mac OS X which helps to prevent unauthorized applications and code from executing on a Mac. Most users have encountered Gatekeeper before when they go to open an application downloaded from the internet, where you see an “App can’t be opened because it is from an unidentified developer” … Read More
The Disk Utility app has long contained the ability to verify and repair disk permissions on a Mac, but in the latest versions of OS X this ability has been removed. That doesn’t mean you can’t verify permissions and repair permissions in OS X El Capitan 10.11 and later however, you just need to turn … Read More
For Mac users who utilize third party SSD volumes, the new trimforce command allows OS X to forcibly enable the TRIM function on those drives. trimforce is built directly into newer releases of OS X and is really quite easy to enable (or disable), requiring a quick visit to the command line and a reboot … Read More
Many Mac users have noticed that the Secure Empty Trash feature has been removed in OS X El Capitan (10.11 or later), the reason the feature was removed is basically because it did not work all the time, but more on that in a moment. First, let’s cover how you can perform the equivalent of … Read More
Apple has enabled a new default security oriented featured called System Integrity Protection, often called rootless or SIP, in Mac OS from versions 10.11 onward. The SIP / rootless feature is aimed at preventing Mac OS X compromise by malicious code, whether intentionally or accidentally, and essentially what SIP does is lock down specific system … Read More
If you’re a Mac user who is beta testing OS X El Capitan, either as part of the OS X Public Beta program or as a registered Mac Developer, you may have come across a situation where the latest available update does not appear for you in the Mac App Store as it should. For … Read More
Mac based web developers are probably familiar with manually starting and stopping the Apache web server in OS X through the command line by now, but if you want Apache to start itself automatically upon boot and reboot of a Mac, you’ll want to go a step further and use launchctl. By doing so, webdevs … Read More
Ever wished you could set a Macs wallpaper image from the command line in OS X? As a matter of fact, you can change the desktop background picture from the terminal, which can be useful for a variety of situations ranging from inclusion in a setup script, to remote management, automating, or whatever else you … Read More
Typically if you’re looking to determine the file type and encoding of an item, you can simply look at the file in the Mac Finder, check the file name extension, Get Info about the file, or even open it to quickly find out what the file is. Of course, that’s limited to the user friendly … Read More
