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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77 views

No commands installed from pip work in Terminal

I've been learning python and tried to install pep8, restviewer and other command line apps but when i try to run them, it shows a command not found error. -bash: restview: command not found I've ...
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2answers
346 views

Starting and stopping mysql server. Shorten and make automatic

Currently I start and stop mysql with the following command sudo /usr/local/mysql/support-files/mysql.server start sudo /usr/local/mysql/support-files/mysql.server stop It is quite a long ...
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1answer
370 views

How can I “Open an app from an unidentified developer” without using the GUI?

Basically, I used the native Safari.app web browser to download a third party application and I want to run / open it from the comfort of my bash shell / Terminal.app CLI; despite the following error ...
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1answer
135 views

How do I open a new Terminal window ssh'ed to another machine from the command line?

From the command line I'd like to open a new Terminal window that is already SSH'ing to a host. From the command line, I can open a new Terminal window very easily: open -a Terminal or open -a ...
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1answer
55 views

Recover Meteor JS MongoDB from Time Machine Backup

I have recently recovered my Mac with a Time Machine Backup from the beginning of August. Today I ran an existing Meteor JS project and saw that the MongoDB documents were pretty outdated (latest ...
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4answers
147 views

Quote a filename in a script passed to chmod?

I'm having trouble quoting a filename that's eventually passed to chmod. The script was originally written for SSH's StrictModes and authorized_keys, but I had to expand it due to a bad UMASK that ...
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303 views

Efibootmgr command for OS X

I have successfully been able to install Linux Mint on my Mac. The only issue is I cannot select the boot partition holding option. To fix it I booted into linux and ran sudo efibootmgr -o 1,80. This ...
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2answers
83 views

applescript will not stop running

I have an applescript that utilizes a named pipe and pipes data over to it. I have my script passing said data in a while loop, which is working, but I find that I am unable to stop the script ...
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1answer
118 views

How to make “say” command speak AND output to the file at the same time

When using the say command I can give it an option -o (file name) for it to record to a file. However, that suppresses the audio output. Is there a way to make it do both in one command?
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1answer
72 views

Why does this cause Mac OSX to print over SSH?

While screwing around and breaking things I came across these stupid commands (if executed in order it causes what I got): cd / && cat vmlinuz cd /boot/ && cat init* It causes ...
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1answer
28 views

“open” from the command line just hangs using iTerm2

The open -a <AppName.app> is not working on one of my Yosemite based macbooks. The other one - also with Yosemite - works fine. open -a TextEdit.app ~/out (just hangs ) I have also tried ...
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5answers
110 views

How to remove top and bottom lines from a file using sed, awk, etc. in 1 step

I want to chop the top 13 and the last 6 lines from a file There are several answers on unix/linux but they aren't working for me as the sed options used aren't available on osx, tac isn't available, ...
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0answers
121 views

What will “rm -rf /” actually do?

I know that this is a very dangerous command, but what does it actually do. In other words, to what extend does it delete the hard drive. Does it delete only the user data? Or does it delete root OS ...
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1answer
75 views

Terminal Command to display a single line from a text file in OS X

I want to display at a specific line, e.g. line 4, from a text file in Terminal (I need this for character counts, using wc). I'm sure this is a simple problem but read -e 1 filename doesn't do it. ...
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1answer
165 views

Can I install Compass in Yosemite WITHOUT installing Xcode or Command Line Developer Tools?

I'm trying to install several programming packages, but it turns out that I can't because I don't have Xcode or Command Line Developer Tools installed. Some (e.g. git) were easy to install anyway. ...
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5answers
1k views

How to create an OSX Application to wrap a call to a shell script?

My goal is to include in a zip file what amounts to a shortcut, instead of telling my customer(s) to open up Terminal and run a shell script. My deployable essentially looks like this: $ unzip ...
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75 views

Automator shell script - change file extension

I currently have a task that is working. It takes whatever files are added to particular folder and compresses them via Handbrake to another folder: for f in "$@" do HandBrakeCLI --preset="iPhone ...
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1answer
33 views

Different values for du and du -h

On the command line, du seems to return twice the numeric value returned by du -h. Apparently, du -h resembles the actual file size, so what's the plain du value representing?
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2answers
698 views

How to keep original “date created” when copying via Terminal?

There are many questions online asking how to make the commands rsync and cp go about copying a file while keeping the "date created" attribute the same as the original instead of the time of copy. I ...
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2answers
269 views

Suspended (tty output) when launching editors like vim, vi, emacs, or nano

I've been using Oh-My-ZSH for a few weeks now and it's been a great experience. Just today, though, terminal started acting strangely. When I try to run an interactive terminal editor like vim, vi, ...
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1answer
143 views

What is the difference between shutdown command and doing shutdown from apple menu?

What is the difference between issuing command shutdown -h now in terminal and doing Shutdown from apple menu? Using command it's instantly power down the system. But via menu it takes around 30-40 ...
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2answers
232 views

Shell command to count pages in a PDF (other than pdftk)?

I have been using this to get a page count of PDFs in shell scripts in OS X: pdftk "$i" dump_data | grep NumberOfPages | awk '{print $2}' | tr -dc '[0-9]' (where $i is the PDF filename) However, ...
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0answers
92 views

GUI alternative to ImageMagick Montage (very simple collage)

For example Instagram's pictures are quite low resolution. I normally join a few pictures together with montage (installed with brew, from ImageMagick project). montage IMG_7771.JPG IMG_7772.JPG ...
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1answer
70 views

Applescript or Shell rename a file?

The following is the code I have, however, it doesn't let me choose the extension I want to save it as. How can I save the file as a ".plist" ? do shell script "echo '{ Filter = { Bundles = ( \"'" ...
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4answers
2k views

Why is extracting this tgz throwing an error on my Mac but not on Linux?

I'm experiencing a rather odd problem, and I can't figure out what's going on. I have a tgz file, scip-3.2.0.tgz, that is throwing an error when I attempt to unpack it. The error is only occurring on ...
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1answer
115 views

Shell script to rsync or if not mounted - mount and rsync

This is what I've got so far: !/bin/sh Storage Folder Backup Defines mount point LOCALMOUNTPOINT="/Volumes/thisisanetworkshare" Checks for mount if mount | grep "on $LOCALMOUNTPOINT" > ...
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1answer
168 views

Shell Script Commands Work Fine in Terminal But Not Via AppleScript

I have two commands that I need to run through the Terminal. They are cd /Users/[my name]/Desktop and curl 'www.google.com'>google.txt. When running these directly in Terminal they work just fine. ...
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1answer
77 views

How do I 'pause' in a .command-script?

I want to create a .command-script on Mac, to execute a series of commands on a remote server using SSH. My script looks something like this: ssh user@domain.com cd /var/www/website/ git pull ...
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1answer
83 views

How to restore manually Saved State files of Terminal?

My MBR crashes quite often. Normally I've multiple terminal windows and usually they're restored after crash. However from some to time they're not restored, so for that reason I was doing the backup ...
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2answers
438 views

How do I use llvm-profdata in Mac OS X Yosemite?

I have a simple question: how do I use the llvm-profdata binary provided by XCode's Command Line Tools in the terminal? I have installed the Command Line Tools and could see the binary in ...
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1answer
85 views

Applescript Calculate Run Time of a Command

How would you calculate the time it took to run a command? Specifically, I want to know the time it takes to return a value in a Shell command. I wrote this up, would it work? (Psuedocode) ...
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5answers
4k views

Did `man ls > temp.txt`. Output textfile is corrupted

When I execute man ls > temp.txt the output text file is corrupted. By corrupted I mean that first and last letters in some words are overly repeated. Several first lines in temp.txt: LS(1) ...
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1answer
71 views

Launching Character Viewer (aka CharacterPalette) from command line

So, recently I have being using the Character and Keyboard Viewer a fair bit and set up simple Alfred keywords that toggle the launch/quitting of these apps so as not to have to leave the keyboard. ...
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1answer
64 views

how to run open -n applicaton name from command line?

I got these two lines that I want to run from a script file (on Yosemite 10.10.3). It works when running from terminal CX_LICENSE=LS open -n /Applications/Inspire\ Designer\ 10.0\ GA/Inspire\ ...
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1answer
26 views

How to minimise the terminal automatically when it is running a shell script?

I have a shell script which runs a Python Program. I created the shell script so that the users of my program may simply double click it to run my program. When the shell script is executed; the ...
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2answers
71 views

Command Line Tools Difference?

Is there a difference between the command line tools that come with xcode and the ones installed with xcode-select? If I install xcode and then run xcode-select --install will the ones installed with ...
0
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1answer
20 views

Unfortunate deleting binary command file [duplicate]

I deleted "chmod" by mistake using "sudo rm chmod". What is the way to recover the chmod command? Is it 'a no way to do it' operation? I'm using Mac OS X Yosemite.
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0answers
72 views

Mac doesn't recognise simple commands like 'ls'

I installed Apache and tried to change the permissions for one of Apache's working directories. After that my machine keeps changing the default path. I can't access the simple commands unless I set ...
0
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1answer
166 views

dtrace replacement for fseventer?

I think many of us have been disappointed with the effective demise of fseventer. What is a good dtrace shell based alternative to fseventer that will display all full paths of files being accessed ...
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0answers
38 views

Windows formatted disks owned by $USER, while Mac formatted disks owned by “root”, right?

I noticed that some disks were owned by $USER and some by root: $ ls -l /Volumes total 88 drwxrwxrwx@ 1 jdoe staff 8192 Jul 14 10:22 USBdrive drwxrwxrwx 0 root wheel 0 Jul 14 15:54 ...
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2answers
53 views

Command line app location? (OSX)

I wrote a small tool as a cmd tool. Where should it be placed? Which paths are automatically scanned for searching an app? I want to avoid absolute path, because I have to track it on every system.
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1answer
77 views

How can I change 'history' command output?

So by default .bash_history stores 500 last used commands. I changed that to 5000 by setting HISTFILESIZE=5000 in .bash_profile It seems to work. Now when I do history it still prints 500 commands, ...
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1answer
47 views

Where should a command line tool store cache files in OS X?

/var/cache is missing, ~/Library/Caches seems to be for full-fledged applications rather than command line tools, tools I've seen in the wild do horrible things (like use the user's home directory). ...
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0answers
48 views

launchagent logs warning/error into console

I have a launch agent that I created several years ago to set a random signature both in a .signature and in Mail.app. It does nothing complicated and has hummed along through several OS X versions. ...
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0answers
26 views

How do you change the default route to a VPN?

I'm connected to the internet via a public unsecured WiFi router with address 192.168.1.1. I have an OpenVPN connection to a remote router who's LAN address is 192.168.2.1. After I connect, I get ...
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1answer
102 views

How can Finder empty Trash more quickly than “rm -rf /Volumes/Foo/.Trashes/501/*”?

The "Trash" of a 16-GB usb2 flash drive had 3.4-GB of data. I emptied it as such: $ cd /Volumes/FooDrive/.Trashes/501 $ rm -rf * This took over 5-seconds. That seemed pretty long. So, as a ...
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0answers
269 views

Does OSX 10.10.4 support LZMA compression at the individual file level (not tar files)?

From the command line, I would like to compress some database dumps using the LZMA algorithm. And, OSX adds XZ support (written in October of last year), claims " It turns out the XZ support in OS X ...
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0answers
333 views

Get rid of the “Instruments wants permission to analyze” prompt, from command line, in Yosemite

In our jenkins build automation environment we have several OSX nodes, now all updated to Yosemite, where we run ios simulator tests. The problem is that on any newly introduced node simulator tests ...
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2answers
287 views

How to mount and name a volume if it's not already mounted with a startup script

I'm trying to do something I thought would be simple, but after researching it I feel like I'm half way towards shaving a yak, so I'm asking for advice. I want to create a script that lets me and my ...
2
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2answers
95 views

Is there a way to preserve terminal tab history across computer restarts?

I'm using Mac 10.9.5. When I run a terminal with multiple tabs (using bash shell), I've noticed that when my computer restarts, the terminal will open up with the same number of tabs that were open ...