Using programs and commands that do not have a graphical user interface (GUI) but are rather controlled by typing text commands into a terminal program, or shell.

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grep doesn't work on big files on OS X 10.10

grep works on OS X 10.6, detecting string in a big binary file. It still works on OS X 10.10 on a small file. On OS X 10.10: $ grep -bao string small_file offset : string ... $ grep -c string ...
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1answer
20 views

Install automator service via command line

I would like to automate my Mac installation flow for services. The following is my script: #!/bin/sh rm -rf ./tempWorkflows mkdir tempWorkflows for filename in ./*.workflow; do cp -R "$filename" ...
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35 views

Whats the best way to upgrade the default compiler on El Capitan? [on hold]

Looking for the best and recommended way to install latest the GCC compiler alongside the default C++ compiler that comes with Xcode on Mac OS X El Capitan.
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1answer
67 views

Can I view history of recently connected USB devices in OS X?

Is it possible via the Terminal in OS X to show a history of recently connected USB devices. For example I want to know the specified ID of the MP3 Sony Walkman which I plugged into my MacBook Pro two ...
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1answer
22 views

How to change icon of an app through Terminal

I want to customize my app icons, but there's a lot of them, and I don't want to be tedious and go through the whole Get Info process over and over again. Is there any way to write a program, ...
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1answer
19 views

Detect Terminal Color “Theme” from Command Line

When one uses the terminal inspector, one can change many properties of the terminal, such as background color, text color, and selection color. How can I detect what these properties have been set ...
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3answers
34 views

Missing bash prompt

My bash prompt is missing as shown on the image. I'm not even sure how to open the .bash_profile since dot files are hidden in the finder. I restarted the machine to no avail.
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2answers
38 views

Are there replacements for the reg commad on Mac OS X 10.9

I believe reg existed on 10.8 and lower as documented here - https://developer.apple.com/library/prerelease/mac/documentation/Darwin/Reference/ManPages/man1/reg.1.html However, in OS X 10.9 I only ...
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65 views

How do I use non-“legacy” launchctl commands to load and unload plists?

I have some plist files in ~/Library/LaunchAgents. I have been happily using launchctl load -w and launchctl unload -w to turn these on and off for years. However, I notice that now load and unload ...
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1answer
24 views

unable to install homebrew

unable to install homebrew I am using this command. ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" getting this error. i have already installed updated ...
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0answers
14 views

All applications got paused after disk space usage got near 99% and back to normal. What's next?

Mac does some pretty fancy background stuff to try and keep enough disk space for whatever it needs. In my case, 512 gb ssd, it needs to have at least 20gb free to run smoothly, so I usually have 40. ...
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1answer
31 views

Is there any way to view iOS device logs on the Terminal?

Is there any way to view iOS device logs on the Terminal? Do the logs get stored in any file?
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2answers
64 views

terminal: how do i pipe the results of grep to open a file

I'd like to grep and open a file in just one terminal command. Suppose I'm in this directory: $ ls 1.txt 2.txt 3.txt 4.txt 5.txt and I want to open 3.txt I thought I could do ls | grep 3 ...
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1answer
74 views

How do I create user accounts from the Terminal in Mac OS X 10.11?

I would like to be able to create new users in Mac OS X 10.11 remotely after ssh'ing into the machine. On Mountain Lion, these steps were listed. Running dscl . -create /Users/joeadmin dscl . ...
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2answers
256 views

Easy way to execute shell script

I want to be able to search in Spotlight for a shell script (or something that calls a shell script) and that such shell script opens a Terminal window so the output is shown live (and I can interrupt ...
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1answer
23 views

Unable to install with admin

I am trying to update MAMP MySQL from this link, but when i double click the file as mentioned in the blog. I get message saying, The file “Install_MySQL_5.6.25.command” could not be executed ...
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0answers
28 views

Why would “ls -R” on a mounted CDROM fail with e.g. “ls: notes: No such file or directory”

I popped an old CDROM into my computer and executed ls -lR /Volumes/CDROM and received dozens of error like this: ./notes: ls: notes: No such file or directory but /Volumes/CDROM/notes does ...
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2answers
28 views

How to put Wifi card in monitor mode?

When I run tcpdump, I do so after having connected to an access point. Is there a way to run tcpdump without having connected already?
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1answer
32 views

how to throttle Internet bandwidth?

In previous releases of OS X, there was a command called ipfw, that permitted throttling of network bandwidth, which is useful for running some kinds of tests on software. It appears that as of ...
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2answers
38 views

Run command line tools as separate app

Is there a way to run command line tools as a separate app, so I can easily switch between them with apple+tab etc? I want this for things like a mail and irc client where I don't want to hunt down ...
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1answer
31 views

OSX Terminal no longer save my commands in history

Here's my issue. Last week I realized that my OSX (10.11.13) Terminal no longer saves the command I execute in the history file(s). To be more clear: I type the command test On the same terminal ...
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2answers
64 views

Exiting/Starting the Terminal (El Capitan)

In the latest Mac OS X Terminal version I noticed that if I type exit and the press Enter, I get the following: Last login: Wed Jan 27 09:18:48 on ttys000 Ian-iMac:~ Ian$ exit logout Saving ...
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1answer
34 views

Can I programmatically install a specific version of JDK (i.e. using command-line tools only) on OS X?

I know you can apt-get JDK on Ubuntu. Is there anything similar on OS X? It looks like Oracle requires you accept a license agreement on ...
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2answers
33 views

Backward compatibility of shell scripts

I use a .command file to start a basic shell script in the form: #!/bin/bash -- this simply starts Something at /usr/local/bin/Something myLittleOneLineScript To make it work I changed its ...
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1answer
37 views

Can't seem to redirect input in Terminal

I'm having issues getting redirection to work in Terminal. I'm in a C++ class where we have to create an application, then find that application in the Terminal and place a text file in the same ...
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0answers
46 views

Issues with Anki and BasicTeX

My last Mac worked with Anki to display LaTeX formatted equations but I am still, but I haven't been able to transfer it over. My steps thus far: I obviously downloaded and installed Anki and ...
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1answer
28 views

sudo and some other system commands not working with platypus

I am making a shell script that works great on its own, but does not work correctly when packaged with Platypus. It does not want to execute sudo, and a few other system commands. Are there any work ...
2
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2answers
159 views

Is it impossible to delete/move a file named “␀” on mac?

When I try to move, rename, or delete a file named ␀in Finder, I get this error message: The operation can't be completed, because an unexpected error occured (error code -50). With mv, rm or ...
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0answers
22 views

Why does Image Magick fail to read fonts?

I'm trying to create a simple contact sheet of all the photos in a directory using Montage: $ montage -font Helvetica -pointsize 10 *.png contact_sheet.jpg However, I keep getting a error reading ...
3
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2answers
194 views

Upgrade OS X operating system from the command line

You can upgrade software with sudo softwareupdate --install --all. Is it possible to upgrade the OS itself from the command line?
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1answer
31 views

FTP file to specific path on server

I try to FTP a file with a one liner in a shell from a mac to a folder on my server. Doing the same in the FTP-Shell is not a problem for me, but doing this in one line is not possible to me. I even ...
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0answers
39 views

Set default user in terminal

I just formatted my Mac and upgrade it to El Capitan, When I open Terminal I see that I am always logged in as root: How can I get my usual user name every time I open a new Terminal window, I ...
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2answers
477 views

How to download Firefox via command line FTP

I am attempting to install Firefox on my Mac, which currently does not have a browser. From a bash terminal I have ftp installed and am currently connected to the internet. However, I have been ...
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0answers
19 views

Schedule executing tasks based on bash scripts using CronniX

I'm still quite new you Mac and OS X but do have some background about other UNIX based systems, so please excuse for any misunderstandings. My goal is to implement a function that executes certain ...
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3answers
37 views

Create a custom terminal window

is it possible to create (and put in the dock) a custom terminal window? What I mean with "custom": it should have a different name (eg. "myTerminal"); it should automatically start running a ...
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0answers
29 views

How to set a Mac with Retina display's scaled resolution via command line?

I write a shell script I just have to launch it to completely set my Mac up. On long-term, I plan to make patched custom Mac O.S. builds that'll be first patched of security flaws, automated to set ...
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0answers
36 views

Command line developer tools missing after OSX update

I have noticed that every time I do Mac OSX update the Command line developer tools is getting lost. I had to install it again after each OSX update. Is there a way to prevent this? Or Is there a way ...
0
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1answer
25 views

How to get local directory names into terminal window titles?

The title of my terminal window is: Terminal -- bash -- 130x39 This is how I see them listed in Terminal->Window and it is very hard to know which one is which. When I use multiple terminals, the ...
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votes
1answer
48 views

AppleScript : Set do script result as variable

I would like to get the result of this search and display the result in a notification or safari popup. " set result to do shell script "curl https://www.binlist.net/json/" & cc without altering ...
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1answer
18 views

Cannot install libsodium via commandline

I am trying to install libsodium using ./configure --prefix=/usr make sudo make install In the install step, I get this error: usage: install [-bCcpSsv] [-B suffix] [-f flags] [-g group] [-m mode] ...
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0answers
33 views

Is there a command or script in mac OS X to set the creation date to match the modification date?

Somehow, the creation date of all the photos on my USB drive has been updated to a recent date, but the modification date remains untouched. So any photo app thinks the photos were just taken recently ...
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1answer
57 views

Permissions corrupted in OS X

I have run sudo chown -R Ankur / by mistake and now some apps are not opening and there icons are also not visible. How can I fix this? Here are some snapshots:
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1answer
61 views

How to open path in Double Commander from Terminal

If I type open $(pwd) or open /anypath/ I will get the path opened in Finder. How I can achieve similar results but with the path opening in Double Commander instead?
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1answer
59 views

Is $PATH just a file with a list (in order of preference) of directories?

I'm having trouble understanding exactly how $PATH works? I am on a Mac.. If I install Python with Homebrew, it will install Python into the /opt/local/bin directory. Now assuming Homebrew didn't ...
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1answer
65 views

OS X El Capitan: man, command not found

Today I was trying to update openssl in my MacBook Pro with El Capitan 10.11.2. I don't know where I made a mistake but it seems I have accidentally disabled man. In fact, if I launch man ...
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2answers
30 views

Why does my iTerm2 launch with an X in it's path?

After upgrading to El Capitan, then working on installing Rails, my iTerm2 shell now opens with x >, instead of just >. Can someone please explain why this is happening, and help me figure out ...
4
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2answers
96 views

terminal custom commands source every time

After following this comment I added all my startup/alias commands to ~/.bashrc file and in ~/.bash_profile I added source ~/.bashrc But still my aliases are not working. I have to manually source ...
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2answers
34 views

Is it possible to set the JAVA_HOME env in El Captitan?

I am unable to set the JAVA_HOME environment variable osx. I added the following line to my .bash_profile export JAVA_HOME=`/usr/libexec/java_home` and sourced it afterwards; yet when I printenv or ...
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1answer
57 views

What is actually happens when moving a file onto/into another file?

I was trying to move some files to a directory, because of wrong destination directory path all files are moved to another file. Can I undo this action to get my files back? - Hopefully NO Is there ...
0
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1answer
35 views

OS X Terminal: 'ls' shows program but then says command not found?

I am trying to start MongoDB from the terminal. When I navigate to the folder and hit 'ls', all the applications show up but when I type in the name of the application( 'mongod'), it says it is not ...