Some Mac users may wish to disable IPv6 networking support on their machines. This may be desirable to avoid certain networking conflicts, or to increase security for users in higher threat environments, since IPv6 has been found by researchers to be potentially vulnerable to man-in-the-middle and other network attacks. Though most users don’t use IPv6 … Read More
Netcat is a powerful command line tool that can read and write data across a network connection using TCP/IP, it’s commonly used for relays, file transfer, port scanning, amongst other things. Though netcat origins are from the unix and linux worlds, netcat is also built into Mac OS X, and we’re going to use the … Read More
If you share your Mac on a network you may be interested to know who is connected to the Mac at any given time. This may include listing currently logged in users through a variety of network protocols, even locally, or perhaps just a history of users logins over a period of time. While Mac … Read More
When you think of sending out text messages you probably think of the iPhone or an Android, and the command line doesn’t cross your mind, but thanks to the ever-useful curl command, you can send out a SMS text message to any phone number right from the Terminal. Yes, curl, the same command line tool … Read More
The Macs default boot login screen is fairly boring by default, and though it can be spruced up with custom wallpaper, another option is to set a screen saver to run at the login window of OS X. This requires using a defaults command string entered at the command line, which then makes the screen … Read More
Most command line users rely heavily on Terminal keyboard navigation to move about within text files and get around within the Terminal, but Mac OS X has a super simple trick up its sleeve that lets you instantly position the mouse cursor anywhere in the Terminal. This means no more tabbing around or repeatedly tapping … Read More
The systemstats process is used to retrieve information about system statistics and power usage, and though it usually runs unnoticed in the background, the systemstatsd and systemstats processes have been known to randomly go haywire in OS X, eating up 100%-300% or more CPU while slowing down a Mac.
The Mac includes a fantastic command line tool called textutil which allows for quick text file format conversions, translating almost any text or word document type into another. We’ve discussed textutil for a variety of uses, but typically it has been for one-off conversions of a specific file into a new file type. This time … Read More
Ever wanted to create an iPhone or Android ringtone from an existing audio file, but wanted to complete the process entirely from the command line? You’re in luck, because Mac OS X has a little audio conversion tool that can turn any existing audio track into an Android or iPhone compatible ringtone in seconds. We’ll … Read More
The powerful curl command line tool can be used to download files from just about any remote server. Longtime command line users know this can be useful for a wide variety of situations, but to keep things simple, many will find that downloading a file with curl can often be a quicker alternative to using … Read More
Mac users who prefer to have a more traditional Unix toolkit accessible to them through the Terminal may wish to install the optional Command Line Tools subsection of the Xcode IDE. From MacOS Monterey, Big Sur, Catalina, Mojave, High Sierra, Sierra, OS X El Capitan, Yosemite, Mavericks onward, this is now easily possible directly and … Read More
Advanced users may need to add a user account to the sudoers file, which allows that user to run certain commands with root privileges. To greatly simplify what that means, these newly privileged user accounts will then be able to execute commands without getting permission denied errors or having to prefix a terminal command with … Read More
Touch-based clicking is an alternate input form that uses trackpad (or Magic Mouse) taps as a click. For most Mac users, turning on tap-to-click is best done from Mac OS X System Preferences, but advanced users who require more control, automation, or remote enabling of the feature can also enable tap-to-click through the command line … Read More
The Disk Utility app bundled with Mac OS X has a command line equivalent which offers advanced users the ability to perform disk maintenance from the terminal, including disk verification and repairs. This allows for a variety of helpful troubleshooting abilities, including the possibility to remotely issue disk repairs though SSH, or through Single User … Read More
Do you have your terminal windows arranged in a particular way, perhaps running particular processes, that you want to consistently resume to without having to rearrange and relaunch things? Rather than relying entirely on the OS X Resume feature, you should use the Terminal app “Window Groups” tool, which lets you save not only the … Read More
Tis the season for some winter fun and holiday magic… in your Mac OS X Terminal with some digital snow fall! This nifty not-so-little ruby command string will make it snow in the command line of your Mac, there isn’t much to get it snowing beyond a simple copy and paste, but for best results … Read More
FileVault is a security feature that offers full disk encryption for Macs. Identifying Macs that are using FileVault is fairly easy in person for machines that have a logged in user account, all you have to do is check System Preferences to see if has been enabled or not. But what if you the Mac … Read More
It’s easy to create a password protected text file by using the command line text editor ‘vi’. This is infinitely useful for privacy purposes, whether the protected file is for containing login details, various passwords, personal information, a private journal, or just about anything else that you want stored securely in a single password protected … Read More
