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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19
votes
4answers
68k views

Why does OS X Mavericks block the purge command in Terminal?

When I try the purge command on my terminal, OS X Mavericks gives me the following message: Unable to purge disk buffers: Operation not permitted This hasn't been the default behavior until now. I ...
1
vote
2answers
122 views

iTerm - going one word backwards and forwards

Would it be possible to configure iTerm 2 to go backwards and forwards one word through the curent text in the command line using a keyboard shortcut?
2
votes
2answers
146 views

Make a file a Stationery pad via command line

Is there a way to set make a file into a Stationery pad from the command line? You can do it by clicking "Get info" on a file and checking the box, but I would like to do it without clicking. An ...
0
votes
0answers
23 views

mdimport - bad packing

While forcing the index of a folder on an external drive through the command line (mdimport), I get "bad packing" pushed to stdout. Anyone have an idea what this rather cryptic error means?
27
votes
6answers
8k views

How do I speed up new Terminal tab loading time?

How can i speed up the terminal startup in Lion? I'm not referring to the startup of the Terminal application, but to the startup terminal windows, like when i open a new tab. I don't have anything ...
0
votes
1answer
328 views

Add printer via lpadmin with custom queue

Is there a way to add a printer via the command line that has a custom queue that has two words separated by a space? My command so far is below but does not set the custom queue. Without the queue, ...
0
votes
1answer
44 views

mysql: command not found [duplicate]

How do I use MySQL from the CLI? When I use the terminal, I get: Darrens-MacBook-Pro:~ thufir$ Darrens-MacBook-Pro:~ thufir$ mysql -bash: mysql: command not found Darrens-MacBook-Pro:~ thufir$ ...
57
votes
9answers
108k views

Why doesn't .bashrc run automatically?

I put some alias commands in my .bashrc file, so that they might be loaded everytime I open a new Terminal window. Yet this doesn't happen. I have to select run script: in the ...
5
votes
6answers
3k views

Why use the terminal in daily non-programming life

Disclaimer: I'm a Windows boy awaiting his first mac. I never bothered learning/using command-line interfaces. I've been looking at the Terminal Tips and Tricks topic and I don't see how any of those ...
2
votes
4answers
3k views

How to correctly pipe output into “say” in terminal

I realized that the say command can be great when combined with another command/program because it can read you the output. I tried to pipe the output from leave to say by typing the following in ...
2
votes
3answers
634 views

Editing iPhoto-specific metadata

Perpetua:2011-01-16 ashley$ mdls IMAG0107.jpg ... kMDItemComment = "Cat with is tongue out." So, here's my question. xattr can be used to modify some ...
79
votes
16answers
72k views

Is there a Mac OS X Terminal version of the “free” command in Linux systems?

On Linux, I often use the free command to see the current amount of free and used memory in the system. For example: $ free total used free shared buffers cached ...
11
votes
3answers
3k views

How can I force command-line arguments to a program shortcut in the dock?

I have Chrome installed in Applications, and a shortcut to it in the Dock. How can I achieve to force some command-line arguments to each start-up of this app? Let me be clearer, in the Terminal, I ...
1
vote
1answer
52 views

How do I get the name of the wifi network I'm connected to?

I know how to find it out in Objective C, but I need to do this in a shell script. (I could compile and install one of the example programs given in the link, but surely there is already a command ...
1
vote
0answers
12 views

Preventing less from quitting when I scroll down

I don’t know if it was a change to less itself or to the Terminal app, but when I upgraded to Yosemite I noticed that I could use the mouse scroll wheel to move around in less. Whenever I use this ...
4
votes
1answer
119 views

Install Xcode without admin

Is there any way to use Xcode on a computer that I don't have admin permissions for? Is there a way to at least use command line tools like git and gcc?
2
votes
0answers
103 views

Finder gets confused after using the mv command in the Dropbox folders

I should mention I'm new to command lines. I want to rename files using the mv command in the Terminal. I type: mv oldFileName.pdf newFileName.pdf Afterwards, I use the ls command to check whether ...
1
vote
1answer
35 views

Preview image from pipe

I have a command line utility, let's called as: produce_image. So i can do the following in the Terminal: $ produce_image > some.jpg $ open some.jpg #opens Preview.app also, I have ImageMagick ...
0
votes
1answer
41 views

Is there a way to make `open -a` pass command line arguments to the app it launches?

I'd like to run OpenSCAD from the command line with some arguments. $ open -a openscad myfile.scad works as I expect. $ open -a openscad --args --help reports LSOpenURLsWithRole() failed for ...
2
votes
1answer
87 views

Mac terminal prompt's machine name becomes “bogon” after using traceroute

I was doing some traceroute test yesterday, and today, my Mac terminal's user prompt becomes `bogon:~ myUserName$` Also when I'm doing traceroute like: traceroute www.google.com it stops with ...
0
votes
0answers
81 views

Use fswatch to make files that changed

I am using the following command to run make automatically when less files in my project change. But right now make runs on all the files whenever any file changes. Is there a way to make only the ...
0
votes
1answer
203 views

Yosemite supplied curl does not support https

I am having the issue that curl is failing to deal with https, and thus I cannot update Homebrew: brew update && brew upgrade fatal: unable to access 'https://github.com/Homebrew/homebrew/': ...
22
votes
15answers
13k views

Lock Screen Command One-Liner

I'm trying to find out whether there is any kind of equivalent command line one-liner which replicates the exact identical functionality of the 'Lock Screen' menu option available via the Keychain app ...
1
vote
0answers
38 views

How do I configure CURL to use the same root certificates as Safari?

It seems that CURL on OS X (10.10) is broken because it does not contain the same set of root SSL certificates as Safari. Due to this it seems that there is a high chance for your to be unable to ...
0
votes
1answer
71 views

ss (netstat alternative) for OS X

How do I install ss on OS X? I couldn't find the iproute package in homebrew. Red Hat recommends ss over netstat in Red Hat Enterprise Linux 7. ss is provided by the iproute package. Red Hat ...
5
votes
3answers
8k views

Why does Java SE 6 Web Start (javaws) not find the JRE with Apple's Java for OS X 2012-006 on Mountain Lion?

In brief The JRE is installed but javaws can not find the JRE. What can I do on the command line to re-enable the web plugin for Apple's Java 6 in Chrome or Safari? I want to avoid Java 7. (We're ...
6
votes
2answers
5k views

brew cask: howto uninstall an Application

I tried, while I am in /opt/homebrew-cask/Caskroom $ for i in *; do brew cask uninstall $i; done Error: appcleaner is not installed Error: avidemux is not installed Error: eclipse-ide is not ...
1
vote
2answers
265 views

How to remove space character (whitespace) from end of filenames and foldernames?

Problem with mac is that it allows space character at end of file or folder. If this file or folder with space character in end is beeing copied to FTP using Filezilla or Dropbox then mac makes ...
0
votes
1answer
50 views

How can I set the display settings using command line

I would like to configure the 'Scaled' property of my Macbook Pro display using the command line. How could I do that?
1
vote
1answer
84 views

Terminal command ncdu

I've seen the terminal command ncdu is available in various flavors of UNIX. Does anyone know if the same terminal command is available in OS X? Thanks for any help. It is greatly appreciated.
6
votes
2answers
9k views

Can't install Xcode Command Line Tools on Mountain Lion

I try to install the most recent (july 25) version of Command Line Tools (xcode44cltools_10_76938107a.dm), downloaded from https://developer.apple.com/downloads/, but are stopped with the error ...
16
votes
2answers
11k views

How can I find the serial number on a mac programmatically from the terminal?

What command can I use to retrieve the system's serial number from the unix command line? As uname will output some information about the software and hardware, I would like to retrieve the serial ...
1
vote
1answer
22 views

Skip first terminal beep and to display ambiguous filename expansions

Pressing TAB in the terminal (and in fact some surprise places in OS X's GUI!) either completes the only filename with the prefix provided to the immediate left of TAB, and when there are several such ...
0
votes
0answers
112 views

Why can I not create a directory on my external hard-drive?

When I try to make a new directory on my external hard-drive I get a message saying that it is a "Read-only file system" LU06296APPLE:~ fortinok$ mkdir /Volumes/Seagate\ Backup\ Plus\ ...
0
votes
0answers
31 views

How can I change the keyboard shortcuts in Terminal.app for the application commands normally invoked using the unmodified ⇡ and ⇣ keys?

That is, how can I change the keyboard shortcuts for the application commands (I say application commands in an attempt to avoid confusion with the use of the term "command" in the shell command ...
2
votes
0answers
30 views

How to access GPS data from command line on jailbroken iPhone

Are there any binaries available via the command line to get information from the GPS on a jail broken iPhone? I've searched through Cydia and haven't found anything, but I wouldn't imagine this ...
3
votes
1answer
71 views

Osascript Compile Application

Is there a way to compile an an applescript from the command line similar to the following.
1
vote
0answers
324 views

Install multiple different versions of Xcode

I am on Yosemite and trying to compile a software package using g++. Compiling this particular package has previously worked on Mountain Lion under Xcode 4.6.3, but now I have Xcode 6.1.1, and the ...
1
vote
2answers
197 views

How can I use Torify for an App on OS X

I want one of my applications to use Tor; however the app itself does not have proxy setting and it uses the System proxy. The problem is that I don't want to set my system proxy and I just want this ...
0
votes
0answers
186 views

How to adjust a desktop picture through the command line (terminal)?

So after some research, I came along this wonderful little gem for setting a desktop background through the command line. osascript tell application "Finder" set desktop picture to POSIX file ...
0
votes
1answer
250 views

How to repair and/or reinstall Homebrew safely?

I am trying to repair Homebrew. I recently tried to reinstall it but when I typed "brew doctor" My output was: shell-init: error retrieving current directory: getcwd: cannot access parent ...
2
votes
1answer
28 views

From the command-line, how can I set all accounts to Available in all Messages.app

Is there a scriptable way from the terminal I can tell Messages.app to take all my accounts online?
0
votes
2answers
127 views

Can't install WordGrinder on Yosemite

Recently, I have been trying to install WordGrinder on Yosemite. First I tried getting the latest tar packages from the developers' website and using them, but I ran into some library linking errors ...
0
votes
1answer
39 views

Recursive set creation date of pictures and videos based on filename

I have a folder structure of thousands of pictures and videos. They are all exported and therefore have the same creation date, time. I would like to set the creation date for all the files according ...
1
vote
2answers
87 views

Batch repack of mkv files

Can anyone tell me how to batch repack a bunch of mkv files to mp4 keeping the same file names using the Mac command line.
28
votes
2answers
12k views

Linux' `ps f` (tree view) equivalent on OSX?

How can I get a tree view like the one below on OSX? vartec@some_server:~$ ps xf PID TTY STAT TIME COMMAND 11519 ? S 0:00 sshd: vartec@pts/0 11520 pts/0 Ss 0:00 \_ -bash ...
1
vote
1answer
75 views

tmux hangs when re-attaching session after logout

Since Yosemite, my tmux, which I installed via MacPorts, "hangs" when I re-attach it after my user has logged out and logged in again. I.e. it cannot start new processes, like a new command line. The ...
1
vote
2answers
57 views

find -printf work around

I'm trying to use a script to call compare file size. Unfortunately the version of find on my mac does not support the -printf switch. Any suggestions?
1
vote
0answers
26 views

determining Preferred Language in OS X via cli

I was hoping to do something like: defaults read -g AppleLanguages | awk -F, '/[^(]/{print $1;exit}' but if only one language is listed in "Preferred Languages", then defaults read -g ...
0
votes
0answers
85 views

Missing hard disk space

I'm trying to figure out where my missing hard disk space is going. I'm using du and df from the command line and there seems to be a clear discrepancy. So here's the du output: $ sudo du -h -d 1 / ...