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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1answer
434 views

How to force OS X to give a different IP lease with DHCP?

Is there a command line solution to get a different IP from a DHCP server? There are some solutions, like switching to BOOTP and back to DHCP, that will sometimes yield a new IP, but often the DHCP ...
2
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1answer
54 views

Size in bytes is significantly less ( half the size) then size in MB in get info window

In the get info window it says 387,037,139 bytes which is 387 MB whereas the size on disk is 716.9MB which is 716,900,000 bytes. du -sh paramgen result (in MiB) 684M paramgen Why is there such ...
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0answers
176 views

I want to mount a virtual CD-RW drive

I want to export (burn to CD) some media I own and have in iTunes. However, I do not want to burn it to a physical CD. I want to instead burn it to a virtual CD. A virtual CD is something that appears ...
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2answers
285 views

Defaults utility: how to get xcode project info

I have found that utility defaults can get info from .plist file. But how can I canonically pass as parameter to it path to .plist file ? I read about <domain> parameter but still don't have ...
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1answer
1k views

How to patch a file that resides in /Applications (patch can't find file to patch at input line)?

I am trying to patch 5 files within an Mac application bundle using the Terminal patch command. The files to be patch are specified using an absolute file path (the file name and path start with a ...
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1answer
206 views

Cannot create a file with sudo in Apache web directory

Suddenly the following problem has happened: I have an Apache web directory at /www. Everything was ok with the permissions, but at some point (I can't realize what caused it), I become unable to ...
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1answer
67 views

Splitting LexisNexis text file

For my research I have a number of text (txt or doc) files. These have a large quantity of newspaper clippings in them. I'd like to split these text files. Each clipping starts with document X ...
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1answer
104 views

Linking manuals from Homebrew

Whenever I install a software with Homebrew and I try to view the manual I get an error stating: No manual entry for <name of program>. As an example, wget: when I type $ man wget No ...
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2answers
298 views

place text over image without imagemagick

I have a png image file which I would like to overlay text onto, via the command line (for use in a Makefile). The text to be overlaid is dynamic, decided at the time the image is modified. I am ...
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0answers
13 views

Command Line Tips and Tricks [duplicate]

==>> What are the most useful Unix shell "one-liners" that you use? <<== Here are a couple of mine to get the conversation started: 1. Repeat the previous command with a substring replacement: ...
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1answer
2k views

How to copy and paste lines in Nano on OSX

I would like to copy and paste multiple lines in the command line text editor nano on OSX Mountain Lion 10.8.5 Alt-6 and Ctrl-U do not work as on other platforms.
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2answers
2k views

Getting launchd to read program arguments correctly

I have a launchd script where the command I'm trying to run is erroring (apparently that's not a word, it is now), complaining of improper usage. The specific error I'm getting is the command's usage ...
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0answers
76 views

How can I revoke an applications access to keychain passwords from the command-line?

Applications can be granted permanent unprompted access to passwords. You can add and revoke these privileges using the Keychain Access utility. (See this answer) I'd like to be able to revoke from ...
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1answer
457 views

In iTerm, why is a command shell's command not picking up things on my $PATH?

I've got a script in my ~/.bin directory that changes iTerm's background before starting an SSH session (as detailed here, script slightly modified from this version). If I start a regular login ...
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1answer
153 views

Command line open pkg [duplicate]

I am trying to write an app that will trigger an pkg to open so the user can install this. I have the code and it is working well except for the following. When I try to open the pkg file using open ...
7
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3answers
627 views

copy last command in terminal

I can see last command in terminal by pressing up arrow as in following example: I typed cd /: Makss-Mac:~ maks$ cd / ... pressed enter, command cd / executed and now I can press up arrow and see ...
3
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1answer
93 views

CLI softwareupdate does not find updates

I can see in the App Store that I have one application (Xcode 5.0.2) that needs to be updated. But if I run the sudo softwareupdate --list in terminal I get the message that there is "No new software ...
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2answers
2k views

Starting airplay from command line, to send output of 'Say' Mac OS X command to airplay

Ok, Sunday question :) Trying to make a little joke... 1) if you open a terminal, and type "say -a ?", Mac OS X will give you the list of devices it can send spoken words to. On mine, it says: 39 ...
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0answers
291 views

since Mavericks upgrade: LSOpenURLsWithRole() failed for the application $APP error -10810 for the file $PATH_FILE

I open via CLI a VLC player which plays movie. open -a vlc samantha-jane_HD.mp4 LSOpenURLsWithRole() failed for the application /Applications/VLC.app with error -10810 for the file ...
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1answer
26 views

CLI to copy to clipboard but still output to term ?

I know that piping to pbcopy copies command line outputs to the clipboard. How can I still show the output in the terminal ?
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2answers
48 views

Remove symbol link

In terminal, I have made a symbol link like following: ln -s ../../../../ jni/prod It symbol links prod directory (which is 4 levels up from current location) to jni/prod . I'd like to emphasize ...
2
votes
1answer
2k views

Javaws unable to locate JRE on 10.9 Mavericks

From the command line, running javaws results in the message: $ javaws No Java runtime present, requesting install. Unable to locate a Java Runtime to invoke. $ java -version java version "1.7.0_40" ...
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1answer
2k views

May I have a list of “System” group names, and their respective gid(s)?

I know there are group names such as "Staff" and "Admin", but are those the only ones? I suspect that the root user should also be assigned in a group. Using the command dscacheutil -q user tells me ...
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0answers
71 views

How to control application calls / requests for date / time

I'm wondering if it is possible to see how and when applications access the date and / or time given by the computer. If it is possible to see, is it possible to control it? That is, is it possible to ...
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3answers
67 views

Open command doesn't like non escaped characters even between quotes?

Is it me or the open command does only accept escaped characters in parameters ? It tried open "~/Library/Messages/Attachments/87/07/079C263B-0586-48C6-B721-3C6AABAC76DF/Messages ...
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1answer
2k views

Is there a command-line BitTorrent client preinstalled on OS X?

On a "bare" OS X 10.8 install, what is the easiest way to grab a largish torrent from the command line (MacTeX, 2.3 GB)? I can't use GUI-only clients, it's a headless system. If no such client is ...
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2answers
115 views

How can I edit a file without altering its modif date?

How can I edit a file without altering its modification date ? In command line. Is vi able to that ?
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2answers
24k views

List all devices connected, lsblk for Mac OS X

In Linux if I want to see all the devices currently connected to my computer in the command-line, I run: lsblk or blkid What's the equivalent command under Mac OS X? NOTE The goal here is ...
16
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1answer
236 views

Is it possible to get via CLI the commercial name (Lion, Mountain Lion, Mavericks, …)

At the moment I'm using both uname and sw_vers darwin_version=`uname -r` osx_version=`sw_vers -productVersion` But if I want to display the commercial name (Lion, Mountain Lion, Mavericks, ...) I ...
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2answers
3k views

How can I install the Command Line Tools completely from the command line?

I'd like to script the installation of the the Xcode Command Line Tools. On Mavericks, xcode-select --install will open a dialog prompting the user to install, but I'd like to trigger the install ...
14
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4answers
49k 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 ...
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1answer
129 views

Tool to Consolidate Data on Multiple Hard Drives and List Differences Between Filesets

I have several hard drives I've used throughout the years to backup my data. Each one has a different folder structure and fileset. I now have a massive NAS that I want to consolidate all my data ...
3
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2answers
264 views

Mac OS X UNIX-oriented Tutorial

Is there any Mac OS X tutorial/book that covers the UNIX part of this operating system? Topics like: Managing daemons from the command-line Package management Install/Remove dmg's from the ...
2
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2answers
1k views

curl command can't be found, OSX utilities have been replaced by GNU coreutils… how to start from scratch?

I recently installed homebrew and I was having a hard time because I could not install it as curl command couldn't be found, someone pointed me to use wget and that worked to install homebrew but now ...
1
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1answer
48 views

“open -t” vs. “open -ef”

the Command: syslog | tail | open -ef works perfectly on my osx 10.8.5 and opens the required lines from syslog in textEdit, however when I run syslog | tail | open -t which should open the same ...
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1answer
411 views

How to manage users access to shared folders from the command line?

Using the sharing or dscl commands I can not figure out how to add users associated to shares. The current local-admin account has access to all shares, but I'd like to add a different user account ...
7
votes
2answers
278 views

How can I process/read checkmarks on a paper form?

I would like to process a large number of scanned paper forms (GUI or command line). I am only interested in reading (custom) checkboxes. The form looks like this: every line has 6 circle-shaped ...
0
votes
1answer
73 views

Error Opening Image File in Terminal

Much like: How do I cat a deleted file which is still open by its inode?. I am using 'Sleuth Kit' command line tool, to gather relevant data from the disk. But I keep on getting: Error opening image ...
6
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3answers
218 views

Terminal command to bring up shutdown dialog?

I know how to shutdown a Mac from Terminal, but is there a way to actually bring up the shutdown dialog you get from Apple → Shut Down…?
0
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1answer
182 views

Setup a scanner from command line or ARD

I know how to add a networked printer via the command line or ARD (Apple Remote Desktop); and, I know how to install the TWAIN scanner drivers for a particular vendor (again, using ARD). But, what ...
3
votes
1answer
6k views

No GDB in the new Command Line Tools (OS X Mountain Lion) for Xcode - September 2013?

I've recently formatted my Mac and when I reinstalled the command line tools, I installed the new Command Line Tools (OS X Mountain Lion) for Xcode - September 2013. I've just typed gdb in my ...
0
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1answer
329 views

Check Camera Path through command line

is that a command to type in terminal that lists all the webcams connected to my computer? Maybe using ffmpeg package?
1
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0answers
48 views

Command-line cloud file backup?

Is there a free cloud file server for personal files with shell commands like Unix ls, cp etc. ? Along the lines cloud ls [-options] pattern cloud cp-up pattern cloud cp-down pattern My ideal would ...
2
votes
1answer
88 views

How can I wipe an encrypted volume when the password is forgotten?

I have encrypted disk volume that is in the way and the passphrase is gone. How can I erase the contents and reuse the disk space?
2
votes
1answer
284 views

How can I run a command that requires user input through oh-my-zsh alias?

I'm trying to add Reminder.app items through the command line by invoking an alias. I use the Automator workflow solution from this question: How can I add reminders via the command line?, which ...
22
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1answer
26k views

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 ...
6
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1answer
171 views

Verify Time Machine Encryption from the Command-Line?

Is it possible to verify whether a given Time Machine volume (for example, returned by tmutil machinedirectory) has encryption turned on? This is for regulatory compliance, so it needs to be fully ...
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0answers
50 views

Is there another way apart from screencapture to take a screenshot of a background window?

I'd like to take a screenshot of a background window given its title. I know this can be made with screencapture -l idwindow output but unluckily I can't use this method because I'm on a 10.5.8 ...
0
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1answer
139 views

screencapture -l not working: illegal option

I've wrongly opened the same question on StackOverflow. I hope to find a better explaination here. I've seen in many pages (for example here: How do I find the windowid to pass to screencapture -l?) ...
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2answers
42 views

wacked a directory from the command line

I was copying a file to /usr/local/bin from the commandline on a Snow Leopard Server 10.6 ... anyhow i typed the following ... sudo cp ./le /usr/local/bin Ouch ... that missed last forward slash ...