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How to View & Watch the Firewall Log in Mac OS X

Nov 24, 2015 - 6 Comments
View the application firewall log in Mac OS X with Console app

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

How to Burn Disc Images in OS X El Capitan Without Disk Utility

Nov 22, 2015 - 11 Comments
Burn an ISO in Mac OS X

Apple removed the ability to burn disc images from Disk Utility in OS X 10.11 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 hardware with a built-in SuperDrive, may … Read More

How to Flush DNS Cache in OS X El Capitan

Nov 16, 2015 - 6 Comments
Terminal in OS X

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

How to Prevent Gatekeeper Turning Back On Automatically in OS X

Nov 5, 2015 - 10 Comments
Terminal in OS X

Gatekeeper is a security feature built into 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” error … Read More

How to Verify & Repair Permissions in OS X El Capitan

Nov 4, 2015 - 25 Comments

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

How to Enable TRIM on Third Party SSDs in Mac OS X with trimforce

Oct 29, 2015 - 29 Comments
Using trimforce to enable TRIM in Mac OS X

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

How to Use “Secure Empty Trash” Equivalent in OS X El Capitan

Oct 12, 2015 - 27 Comments
Secure Empty Trash equivalent in OS X

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

How to Disable System Integrity Protection (rootless) in OS X El Capitan

Oct 5, 2015 - 38 Comments
Enable or Disable System Integrity Protection Rootless in Mac OS X

Apple has enabled a new default security oriented featured called System Integrity Protection, often called rootless, in OS X 10.11 onward. The 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 level locations in the file system … Read More

Fix OS X El Capitan Beta Updates Not Showing in Software Update

Sep 5, 2015 - 28 Comments
Show missing beta updates in OS X

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

How to Make Apache Start httpd Automatically on Boot in Mac OS X

Aug 30, 2015 - 3 Comments
Start Apache in Mac OS X Automatically

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

Setting Wallpaper from the Command Line in Mac OS X

Aug 28, 2015 - 4 Comments
Terminal in OS X

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

How to Determine File Type & Encoding from Command Line in Mac OS X

Aug 11, 2015 - 2 Comments
Terminal in OS X

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

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