Questions tagged [macos]
macOS (formerly known as OS X or Mac OS X) is the desktop operating system from Apple, found on Macintosh computers. Use this tag only if your question relates to using macOS APIs or macOS-specific behavior, not because you happen to run your code on macOS. Questions relating to using or troubleshooting macOS are off-topic and belong in the Ask Different community instead.
macos
118,034
questions
337
votes
7
answers
144k
views
Intellij Idea: Importing Gradle project - getting JAVA_HOME not defined yet
Intellij Idea 14.1.4
Mac OS X Yosemite 10.10.3 and later.
From the IDE:
Import Project ->
(Chosen directory to import) ->
Import project from external model, Gradle ->
Gradle Home: /usr/...
335
votes
5
answers
280k
views
How do I remove the "extended attributes" on a file in Mac OS X?
I have an AppleScript script that runs a stress test. Part of the test is to open, save, and close certain files. Somehow, the files have picked up some "extended attributes" that prohibit the files ...
331
votes
17
answers
570k
views
How do I close an open port from the terminal on the Mac?
I opened port #5955 from a java class to comunicate from a client. How do i close this port after I am done? and also which command can show me if port open or closed?
327
votes
9
answers
109k
views
How to avoid "cannot load such file -- utils/popen" from homebrew on OSX
I'm getting an error when I run brew in the terminal:
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require': cannot load such ...
327
votes
17
answers
684k
views
socket.error: [Errno 48] Address already in use
I'm trying to set up a server with python from mac terminal.
I navigate to folder location an use:
python -m SimpleHTTPServer
But this gives me error:
socket.error: [Errno 48] Address already ...
327
votes
10
answers
546k
views
How to install JQ on Mac on the command line?
I need to know the most efficient way of installing JQ on Mac (El Capitan). The code is downloaded to my Mac but I would like to know how I can install and operate it via the command line.
322
votes
9
answers
126k
views
I change the capitalization of a directory and Git doesn't seem to pick up on it
I'm developing a project on OS X Lion that is under Git version control. I had these lowercase directories and then later capitalized them (e.g. emailaddresses => EmailAddresses), but Git doesn't seem ...
321
votes
11
answers
411k
views
Installing Java on OS X 10.9 (Mavericks)
I have installed the JDK on Mac OS X v10.8 (Mountain Lion). When I upgraded it to Mac OS X v10.9 (Mavericks) and ran java -version in the terminal, it showed:
No Java ...
320
votes
13
answers
559k
views
Where is PHP.ini in Mac OS X Lion?
I wanted to run some PHP right on my Mac, uncommented httpd.conf, activated web sharing, installed MySQL etc.
I can't seem to find my PHP files, most importantly, PHP.ini.
On my old machine it was ...
319
votes
21
answers
162k
views
Getting a "This application is modifying the autolayout engine from a background thread" error?
Been encountering this error a lot in my OS X using swift:
"This application is modifying the autolayout engine from a background thread, which can lead to engine corruption and weird crashes. ...
319
votes
11
answers
550k
views
Finding Android SDK on Mac and adding to PATH
I have installed Android Studio on my MacBook Air (OS Version 10.11 El Capitan) and have successfully written a small "hello, world" app and installed on device (Nexus 7) and ran on AVD. All I want ...
317
votes
4
answers
95k
views
Core Data vs SQLite 3 [closed]
I am already quite familiar with relational databases and have used SQLite (and other databases) in the past. However, Core Data has a certain allure, so I am considering spending some time to learn ...
316
votes
17
answers
73k
views
gem eventmachine fatal error: 'openssl/ssl.h' file not found
Just installed El Capitan and can't install gem eventmachine 1.0.7. openssl is at 1.0.2a-1. Tried to use --with-ssl-dir but it seems ignored.
Reported it to their github repo as well.
Any ...
316
votes
16
answers
286k
views
MacOS Catalina(v 10.15.3): Error: “chromedriver” cannot be opened because the developer cannot be verified. Unable to launch the chrome browser
I have recently upgraded my mac machine to OS Catalina(v 10.15.3). After this upgrade I am unable to launch the chrome driver using selenium.
I am facing the below error when I run the selenium code ...
315
votes
15
answers
336k
views
pip installs packages successfully, but executables not found from command line
I am working on mac OS X Yosemite, version 10.10.3.
I installed python2.7 and pip using macport as done in
http://johnlaudun.org/20150512-installing-and-setting-pip-with-macports/
I can ...
311
votes
29
answers
272k
views
psql: could not connect to server: No such file or directory (Mac OS X)
Upon restarting my Mac I got the dreaded Postgres error:
psql: could not connect to server: No such file or directory
Is the server running locally and accepting
connections on Unix domain socket "/...
311
votes
24
answers
157k
views
Upgrade all the casks installed via Homebrew Cask
I use Homebrew Cask to install applications on OS X. How do I upgrade all the installed casks?
311
votes
4
answers
168k
views
What are the differences between .so and .dylib on macOS?
.dylib is the dynamic library extension on macOS, but it's never been clear to me when I can't / shouldn't use a traditional unix .so shared object.
Some of the questions I have:
At a conceptual ...
310
votes
12
answers
113k
views
git mv and only change case of directory
While I found similar question I didn't find an answer to my problem
When I try to rename the directory from FOO to foo via git mv FOO foo I get
fatal: renaming 'FOO' failed: Invalid argument
OK. ...
309
votes
27
answers
284k
views
OS X Framework Library not loaded: 'Image not found'
I am trying to create a basic OS X Framework, right now I just have a test framework created: TestMacFramework.framework and I'm trying to import it into a brand new OS X Application project.
I have ...
309
votes
7
answers
214k
views
Class JavaLaunchHelper is implemented in two places
Today I upgraded my Intellij Idea on macOS Sierra, and now, when I run apps in console I have this error:
objc[3648]: Class JavaLaunchHelper is implemented in both /Library/Java/JavaVirtualMachines/...
308
votes
14
answers
463k
views
Removing Java 8 JDK from Mac
So I installed the beta of JDK 8 a while ago to look at some of the examples. I thought for sure by now, it's easy to change between versions.
Doing some Play development with IntelliJ. For some ...
307
votes
31
answers
600k
views
adb command not found
I need to run an adb forward command before I could use the ezkeyboard application which allows user to type on the phone using browser.
When I run adb forward tcp:8080 tcp:8080 command I get the ...
305
votes
25
answers
408k
views
Failed to build gem native extension (installing Compass)
When I attempt to install the latest version of compass (https://rubygems.org/gems/compass/versions/1.0.0.alpha.17), I get the following error.
ERROR: Error installing compass:
ERROR: Failed to ...
302
votes
5
answers
383k
views
CSS - Overflow: Scroll; - Always show vertical scroll bar?
So currently I have:
#div {
position: relative;
height: 510px;
overflow-y: scroll;
}
However I don't believe that it will be obvious to some users that there is more content there. They could ...
299
votes
7
answers
139k
views
How to detect if the OS is in dark mode in browsers?
Similar to "How to detect if OS X is in dark mode?" only for browsers.
Has anyone found if there is a way to detect if the user's system is in the new OS X Dark Mode in Safari/Chrome/Firefox?
We ...
298
votes
5
answers
586k
views
How to install wget in macOS? [closed]
I try to install wget in MAC OS 10.11.1 but when I run ./configure --with-ssl=openssl I get this error:
configure: error: --with-ssl=openssl was given, but SSL is not available.
How to resolve this ...
298
votes
9
answers
441k
views
How to use/install gcc on Mac OS X 10.8 / Xcode 4.4
I have install Mountain Lion (Mac OS X 10.8) and now gcc doesn't seem to be available anymore. I've also installed Xcode 4.4 so there is no more /Developer directory.
I need gcc both for mac ports ...
294
votes
20
answers
332k
views
Error: Cannot install in Homebrew on ARM processor in Intel default prefix (/usr/local)
I use the latest Apple M1 chip processor. And I keep getting errors while application installation.
I run:
brew install openjdk@11
Error: Cannot install in Homebrew on ARM processor in Intel default ...
293
votes
16
answers
812k
views
How do you update Xcode on OSX to the latest version?
What is the easiest way to update Xcode on OSX?
I see this in the terminal:
$ brew install xxxxxxx
Warning: Your Xcode (4.3.3) is outdated
Please install Xcode 4.6.
But when I go to open up Xcode &...
292
votes
17
answers
95k
views
Eclipse hangs at the Android SDK Content Loader
I've been working with Eclipse 4.2 (Juno release 20120920-0800) on OS X 10.8.2 for a few weeks now, building apps for Android 3.0 and above. I have a quad core i7 MacBook Pro with an SSD, so ...
292
votes
17
answers
218k
views
Xcode is not currently available from the Software Update server
I have problems with my macport after update to OS X 10.9.
I try to follow this manual https://trac.macports.org/wiki/Migration to fix them.
But when I install Command Line Tools:
xcode-select --...
290
votes
8
answers
218k
views
How do I find a list of Homebrew's installable packages?
Recently I installed Brew. How can I retrieve a list of available brew packages to install?
288
votes
8
answers
351k
views
How to run a shell script in OS X by double-clicking?
I have a shell script that has user execution permission on OS X, but when I double click on it, it opens in a text editor. How can I get it to run by double-clicking it?
288
votes
30
answers
628k
views
certificate verify failed: unable to get local issuer certificate
I am trying to get data from the web using python. I imported urllib.request package for it but while executing, I get error:
certificate verify failed: unable to get local issuer certificate (_ssl.c:...
287
votes
11
answers
1.1m
views
How do I edit $PATH (.bash_profile) on OS X?
I am trying to edit an entry to PATH, as I did something wrong.
I am using Mac OS X v10.10.3 (Yosemite)
I have tried:
touch ~/.bash_profile; open ~/.bash_profile
But the file editor opens with ...
287
votes
25
answers
680k
views
Error: ANDROID_HOME is not set and "android" command not in your PATH. You must fulfill at least one of these conditions.
I'm trying to install PhoneGap and I'm getting the following error:
Error: ANDROID_HOME is not set and "android" command not in your PATH. You must fulfill at least one of these conditions.
...
286
votes
16
answers
518k
views
Java/JDK for the Apple Silicon chips
Will there need to be a special release of OpenJDK to support the new Apple Silicon chips?
I see that there are currently downloads of the JDK for macOS/OS X, but these seem to only be for x86 ...
285
votes
7
answers
197k
views
Installing Apple's Network Link Conditioner Tool
I have installed xcode 4.3.1 on my machine running Lion.
I can't find the Network Link Conditioner tool anywhere.
I have checked the utilities folder, also the xcode/contents/developer/* ...
284
votes
19
answers
237k
views
Check OS version in Swift?
I'm trying to check system information in Swift. I figured out, that it could be achieved by code:
var sysData:CMutablePointer<utsname> = nil
let retVal:CInt = uname(sysData)
I have two ...
280
votes
12
answers
127k
views
Class JavaLaunchHelper is implemented in both ... libinstrument.dylib. One of the two will be used. Which one is undefined
I upgraded to the latest Java 7u40 on MacOS X and started getting the following message on the console when launching my application using Eclipse. The app works fine but I would like to find out the ...
278
votes
8
answers
286k
views
Brew install docker does not include docker engine?
Trying to setup docker from brew, however the engine does not seem to be included in any of the any of the official formulas.
brew install docker-machine docker-compose
So these only installs the ...
276
votes
6
answers
397k
views
How would I get a cron job to run every 30 minutes?
I'm looking to add a crontab entry to execute a script every 30 minutes, on the hour and 30 minutes past the hour or something close. I have the following, but it doesn't seem to run on 0.
*/30 * * * ...
276
votes
12
answers
177k
views
How to run mvim (MacVim) from Terminal?
I have MacVim installed and I am trying to set it up as the editor for Git (version control), but I can't run 'mvim' from the command line as it isn't recognised. How do I setup mvim so I can run it ...
273
votes
5
answers
420k
views
Operation Not Permitted when on root - El Capitan (rootless disabled) [closed]
I am trying to move something to /usr/bin on OS X El Capitan. I have disabled rootless using the following commands: sudo nvram boot-args="rootless=0"; sudo reboot, but I keep getting the same error:
...
270
votes
8
answers
215k
views
RE error: illegal byte sequence on Mac OS X
I'm trying to replace a string in a Makefile on Mac OS X for cross-compiling to iOS. The string has embedded double quotes. The command is:
sed -i "" 's|"iphoneos-cross","llvm-gcc:-O3|"iphoneos-cross"...
270
votes
1
answer
85k
views
Git doesn't work on MacOS Catalina: "xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing" [duplicate]
After upgrading to MacOS X 10.15 Catalina, I cannot run any git commands in my shell:
The default interactive shell is now zsh.
To update your account to use zsh, please run chsh -s /bin/zsh.
For ...
269
votes
16
answers
355k
views
How do I create a Bash alias?
I'm on OSX and I need to put something like this, alias blah="/usr/bin/blah" in a config file but I don't know where the config file is.
269
votes
10
answers
180k
views
In-place edits with sed on OS X
I'd like edit a file with sed on OS X. I'm using the following command:
sed 's/oldword/newword/' file.txt
The output is sent to the terminal. file.txt is not modified. The changes are saved to ...
268
votes
20
answers
79k
views
Running pod setup gives me "bad interpreter: No such file or directory" error
Recently I tried to do pod setup and I get this error:
-bash: /usr/local/bin/pod: /usr/local/opt/ruby/bin/ruby: bad interpreter: No such file or directory
I followed Ray Wenderlich's guide to install ...