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Questions tagged [macos]

macOS is the current marketing name for Apple's Macintosh Operating System. This OS was previously known as OS X, and Mac OS X before that (which itself succeeded the 'classic' Mac OS).

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3045 votes
8 answers

Why am I getting an “invalid active developer path” when attempting to use Git after upgrading to macOS Sequoia?

After upgrading to macOS Sequoia, I tried to run git from Terminal but it kept giving me the following error: xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing ...
The Onin's user avatar
  • 67.3k
1013 votes
11 answers

List of all packages installed using Homebrew

Is it possible to and how do I get a list of all the packages installed on my Mac using Homebrew? I am not interested in packages installed outside of Homebrew.
amphibient's user avatar
708 votes
16 answers

How to find cause of high kernel_task cpu usage?

Occasionally my machine will have a kernel_task instance max out the CPU: This can last from minutes to sometimes hours. The machine is effectively unusable in this state. Restarting doesn't help; a ...
Adam's user avatar
  • 12.8k
613 votes
15 answers

Shortcut for toggling between different windows of same app?

I opened two Google Chrome windows (because I am using multiple Gmails) and when I do the Cmd ⌘ Tab ⇥ shortcut it just shows me other applications that I opened but does not show me the other Chrome ...
deter's user avatar
  • 6,133
609 votes
157 answers

Please share your hidden macOS features or tips and tricks

Do you know any hidden or little-known nice feature of macOS (née Mac OS X)? It doesn't matter what it is—maybe just a short terminal command or a keyboard shortcut. Share your experiences on ...
563 votes
13 answers

Remap "Home" and "End" to beginning and end of line

Most of my computing time is spent in Linux (with occasional time in Windows). On these platforms the Home and End keys universally jump to the beginning or end of the current line. I am gradually ...
Caleb's user avatar
  • 7,163
510 votes
2 answers

How to prevent Mac from changing the order of Desktops/Spaces

You may have encountered a situation in which Mac changes the order of desktops based on some events like alerts on a program or a web page in browser. How could I disable this logical change? Note: I'...
Reyraa's user avatar
  • 5,318
478 votes
7 answers

Why does my dock keep moving back to my other monitor?

I have a larger, external monitor connected to my MacBook Pro and have arranged it such that the dock is in the external monitor (via System Preferences > Displays > Arrangement, by dragging the white ...
3cheesewheel's user avatar
  • 5,087
471 votes
7 answers

How can I create a symbolic link in Terminal?

What command is used to create a symbolic link/soft link?
Patrick's user avatar
  • 4,719
464 votes
1 answer

How do I launch Finder from terminal or command line [duplicate]

I use command line a lot, like most programmers. I want to be able to launch Finder, Safari or any other application for that matter from command line e.g. finder . where it will start Finder ...
Vijay Kumar's user avatar
  • 4,641
409 votes
13 answers

How can I trigger a Notification Center notification from an AppleScript or shell script?

I'd love to be able to take advantage of 10.8's Notification Center features in AppleScripts and shell scripts I write. Is there a built-in command or a third-party library I can use from either an ...
Nathan Greenstein's user avatar
404 votes
133 answers

Got any tips or tricks for Terminal in Mac OS X?

One tip or trick per answer. My favorite is open . Opens the folder you're currently browsing in Finder. You can also pass URLs, images, documents or else to open. If you specify a program name ...
392 votes
13 answers

How can I configure Mac Terminal to have color ls output? [duplicate]

How can I configure Mac Terminal to have color ls output? I am using MacOS 10.5
user avatar
371 votes
7 answers

How do I recompile Bash to avoid Shellshock (the remote exploit CVE-2014-6271 and CVE-2014-7169)?

Given that Bash 3.2 (the version shipped by OS X) is vulnerable to the remote execution exploit known as "Shell Shock" (CVE-2014-6271 and CVE-2014-7169) how do I rebuild Bash and secure my system ...
AlBlue's user avatar
  • 2,745
358 votes
13 answers

How do I downgrade node or install a specific previous version using homebrew?

I'm using brew. I have node installed, using brew. I want to use an earlier version of node. Online, I find instructions such as, for example: cd /usr/local/Library/Formula brew remove node --force ...
dave4420's user avatar
  • 3,889
356 votes
6 answers

How can I list my open network ports with netstat?

I would like to list my open network ports in Terminal with built in commands. As what I know, netstat is the command to use. But I'm struggling to get any useful information out of it. How can I ...
Jonas's user avatar
  • 6,372
356 votes
4 answers

What are the practical differences between Bash and Zsh?

With the news that Catalina will default to Zsh instead of Bash, I'm finding lots of results telling me about the switch, and that it may cause problems with shell scripts, but I'm not familiar enough ...
dr.nixon's user avatar
  • 5,888
349 votes
6 answers

How can I disable animation when switching desktops in Lion?

I would very much like to disable the sliding animation that occurs when switching desktops via ctrl+→/← or ctrl+[number] in Lion. This was previously accomplished in previous versions ...
Rob J's user avatar
  • 3,491
342 votes
17 answers

How to combine two images into one on a Mac?

Say I have two photos (or any images), for example with the following dimensions: +----------+ +----------+ | | | | | | | | |320 x 428 | and |...
Jonik's user avatar
  • 6,703
318 votes
14 answers

Can I get the CPU temperature and fan speed from the command line in OS X?

Is there a command I can run from the command line in OS X to get the current CPU temperature and/or the fan speed(s)? To be more specific, I'd like to be able to get the same info available in the ...
matt b's user avatar
  • 3,428
317 votes
8 answers

How to change computer name so terminal displays it in Mac OS X Mountain Lion? [duplicate]

When I setup my computer I named it "Scott's MacBook Pro". And so when I go to System preferences->Sharing, it says Scott's MacBook Pro there as my computer name. However, opening up a terminal gives ...
at01's user avatar
  • 5,635
316 votes
3 answers

Hotkey to show hidden files and folders in File Open dialog?

This question is very similar to Is it possible to always show hidden/dotfiles in Open/Save dialogs?. How to show hidden files and folders in finder? is also related. However, I don't want to always ...
user avatar
302 votes
30 answers

How to create a text file in a folder

In windows I right click and then there is an option to create a text file. How to do so in mac?
user4951's user avatar
  • 3,571
299 votes
7 answers

Applications Don't Show Up in Spotlight

Spotlight has stopped showing any results for my Applications. I've tried reindexing and removing the index so it rebuilds it. No change. I've tried adding Applications to the Privacy tab and removing ...
mix's user avatar
  • 3,205
291 votes
17 answers

What do I type to produce the command symbol (⌘) in Mac OS X?

What combination of keys do I press to produce the command symbol (⌘) on Mac OS X? (I copied the above symbol from
Daryl Spitzer's user avatar
281 votes
7 answers

"File Open" dialog is missing sidebar items

I'm having the strangest issue since updating to OS X El Capitan. My "Open File" dialogs show the sidebar but all my main (and useful) locations are missing. Take a look at this screenshot. This ...
Arno's user avatar
  • 2,931
279 votes
4 answers

How to Retrieve the Wi-Fi Password of a Connected Network on a Mac

I need to find the password for a Wi-Fi network that I am already connected to. I'm using a MacBook Pro that's running OS X Lion. Any guidance is appreciated.
Vishnu's user avatar
  • 2,913
270 votes
7 answers

How to replace Mac OS X utilities with GNU core utilities?

I found there is some differences between the utility command I used on the mac OSX and linux. I want to make my experience united. How could I replace all my mac utilities with GNU utilities?
steveyang's user avatar
  • 2,865
267 votes
5 answers

Can I open files in TextEdit from the Terminal in Mac OS X?

I frequently find that a Terminal command to open a file in TextEdit would be very handy. Does such a command exist on Mac OS X?
wfbarksdale's user avatar
  • 2,829
266 votes
15 answers

Where can I find the installed package path via brew

I installed some packages via brew. But I can not find where they are. I can not get access by typing hping on terminal % brew install hping (git)-[master] Warning: hping-3.20051105 already ...
poc's user avatar
  • 2,878
265 votes
3 answers

What is the "rootless" feature in El Capitan, really?

I have just learned about the "Rootless" feature in El Capitan, and I am hearing things like "There is no root user", "Nothing can modify /System" and "The world will end because we can't get root". ...
Josh's user avatar
  • 8,694
263 votes
8 answers

How can I manually delete old backups to free space for Time Machine?

I use a Time Capsule for backup and now I want the drive to back up data from an extra Mac. But the drive is filled up with old backups from Mac 1. There simply is not enough space available for the ...
Jesper Rønn-Jensen's user avatar
262 votes
13 answers

Why are dot underscore ._ files created, and how can I avoid them?

I am using different operating systems on different machines on different locations. I am using a USB flash disk to keep my files (source codes etc.). I am new to Mac OS X and now I realize there are ...
nimcap's user avatar
  • 3,138
251 votes
17 answers

Is there a keyboard shortcut to move a window from one monitor to another?

Is there a free app that I can use to move a window from one monitor to the other monitor (assuming only two monitors) via the keyboard? I shouldn't have to use the mouse at all (e.g., for selecting ...
volni's user avatar
  • 2,988
251 votes
3 answers

How can I make Safari show the URL when I hover over a link?

Safari 5.0.1 on OS X Snow Leopard (10.6) doesn't seem to have any status bar in which the URL of a link shows when the user moves the cursor over a link (without clicking) All other browsers I've ...
DarenW's user avatar
  • 5,183
249 votes
7 answers

Make the green full screen window icon on Yosemite maximize windows

On Mac OS X Yosemite the green icon in every window: is by default used to make the application full screen. How do I make it work the same way as in previous versions of Mac OS X, i.e. to maximize ...
syntagma's user avatar
  • 11k
235 votes
14 answers

Can Touch ID on Mac authenticate sudo in Terminal?

Can Touch ID on Mac authenticate sudo in Terminal?
P A N's user avatar
  • 9,944
229 votes
11 answers

macOS Sierra doesn’t seem to remember SSH keys between reboots

I have to run this command since upgrading to macOS: ssh-add -K Corrects the problem after the reboot but I have to run this command every time I log on to my computer. If I do not run the command ...
misaligar's user avatar
  • 2,477
225 votes
11 answers

Keyboard shortcut for restoring applications from the Mac OS X Dock?

Is there a keyboard shortcut to restore a minimised application window from the Dock? Almost all Apple Mac OS X applications respond to the Apple + M command which minimises the current application ...
Andrew's user avatar
  • 3,224
222 votes
8 answers

How do I combine two or more images to get a single pdf file?

Say I have some image files (for instance, the result of scanning some sheets) and I want to combine them into a single pdf file, each image on a different page. Is there a faster / more convenient ...
DaG's user avatar
  • 3,020
216 votes
18 answers

How can I rename Desktops / Spaces in macOS?

I would like to give names to different Mission Control Spaces; currently a new Space gets the default name Desktop n where n is a number. Desktop 1 | Desktop 2 | Desktop 3 How can I give each space ...
Dror's user avatar
  • 2,539
211 votes
8 answers

I included emoji in my password and now I can't log in to my Account on Yosemite

I wanted to check if it's possible to use emoji in a password for my Account on OS Yosemite. It worked but I didn't realize that the login screen has only native keyboards, so I can't type emoji there....
Artiom Dashisnky's user avatar
209 votes
6 answers

How do I run a .sh or .command file in Terminal

I've always wanted to be able to run a script I've downloaded online directly from the Finder but just double clicking the file does not work.
Maximus's user avatar
  • 5,925
204 votes
4 answers

Need a cli to check the sha256 hash of a file [duplicate]

To check the sha1 of a file I would use openssl sha1 <file> I'm not sure what to use to check the sha256 hash of the file however, what would you recommend?
erikvold's user avatar
  • 2,898
204 votes
7 answers

Open Finder window from current Terminal location?

If I am in a specific path in a Terminal window, how can I open that same window in a new Finder window? Note: This is the opposite of opening a Terminal from Finder.
Jim McKeeth's user avatar
  • 4,645
202 votes
2 answers

List USB devices on OSX command line

Can I List USB devices on OSX - similar to lsusb on Linux. I know I can access from System Information.
Milliways's user avatar
  • 8,052
201 votes
12 answers

Why is it not possible to use the "cut" command to manipulate a file in the Finder?

On OS X 10.6 (Snow Leopard), I don't seem to be able to us the "Cut" command on a file in the Finder, like you can do in Windows Explorer on Microsoft Windows. (In Windows, once you select a file and "...
Marty's user avatar
  • 2,237
198 votes
6 answers

Is it safe to delete ~/Library/Caches?

Is it safe to delete the file Caches, in the Library of the Mac OS X Hard Drive? It's a pretty big file, 3.56 GB, Caches reminds me of logs i don't need or browser cookies. Is it safe to delete the ...
GummyArgyle's user avatar
  • 3,161
196 votes
5 answers

Suppressing "The default interactive shell is now zsh" message in macOS Catalina

I know Catalina uses zsh as the default login shell and interactive shell, but it is very annoying when I open or run command with /bin/bash, it shows verbose message like below: $ /bin/bash ...
Gasol Wu's user avatar
  • 4,684
195 votes
6 answers

How do I disable System Integrity Protection (SIP) AKA "rootless" on macOS?

Apple has introduced System Integrity Protection, also known as "rootless", with OS X 10.11, El Capitan. I understand this is a step for general protection against malware but as a developer I need ...
bdnchr's user avatar
  • 2,053

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