Questions about the command line and other Unix-like aspects of Mac OS X, including the Mach/BSD-based kernel and FreeBSD-based userland. You may want to consider using Ask Different instead.

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3answers
32 views

Remove patterns from string using bash

I'm trying to remove some patterns from a file input string (parsing file line by line). Here is a sample string: 1: (10/17 12:49:31.175) - CONSTANT ID1 - CONSTANT ID2: RAW DATA OUT > ...
7
votes
2answers
332 views

Bash inside Vim not working properly

In MacVim I'm using Conque to run bash commands inside Vim. I have a problem with the text navigation while using Conque. If I'm at the end of a line of text and press down Alt← I skip a word to the ...
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5answers
2k views

Install rEFInd on OS X 10.10 Yosemite

I want to dual boot my macbook with Arch Linux and thus tried to install rEFInd using the install script, however, after install rEFInd doesn't seem to start at all? Anyone experienced the same issue ...
1
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1answer
348 views

sudo service command not found when installing mongodb

I am currently on OS/X using macbook. I want to stop the instance of mongodb service running. Hence I tried: > sudo service mongodb stop sudo: service: command not found After looking up on ...
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9answers
2k views

What features does Darwin have that other Unixes don't, or vice versa?

Does Darwin have any features that are specific to it? Do other Unixe(s) have features that Darwin lacks?
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0answers
32 views

libfreenect2 - libusb -99 error

I need some help, when I am running protonect, the IR blaster go on but no frame is captured. It's some sort of libusb error. Running on Mavericks, with an express card adapter with "Nec µPD720202" ...
46
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2answers
3k views

Shebang starting with `//`?

I'm confused about following script (hello.go). //usr/bin/env go run $0 $@ ; exit package main import "fmt" func main() { fmt.Printf("hello, world\n") } It can execute. (on MacOS X 10.9.5) $ ...
2
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2answers
2k views

Best options for mounting Mac OS X hard drive on my Linux box?

I have a new 3 terabyte external USB hard drive (Seagate ST3000DM001 in an enclosure). I hope to use it on both my iMac (OS X 10.6.8) and my Linux machines (Kubuntu). Right now this drive will ...
2
votes
1answer
337 views

Sending raw video stream over network to an encoder

I'm trying to build a setup using OS X machines for streaming live video. Currently I use Flash Media Live Encoder on the same machine that is handling the video input unfortunately because FMLE uses ...
1
vote
3answers
87 views

nc not waiting for server disconnect on OS X

How to make nc client on OS X Mavericks keep socket open and read data until server disconnects the socket? I want to send data to a server through nc and then use the response. Problem is that nc ...
5
votes
0answers
45 views

How do folder name localizations work?

In Mac OS X, there are directories like Desktop, Users and Library. On localized systems, these would be named Skrivbord, Användare and Bibliotek (Swedish) But when I am in the terminal I can't ...
0
votes
1answer
404 views

VPN Setup Errors

I'm trying to install a VPN on one of our servers for use within my campus so that we can play some games, but I appear to be getting errors when I try to connect, as shown below. Not quite sure about ...
0
votes
1answer
40 views

Kill unresponsive process by name but preserve responsive processes

For some reason, I end up with a fair few Google Chrome Helper processes which stop responding, hogging CPU resources. Usually I just run killall Google\ Chrome\ Helper, however this kills all, ...
2
votes
1answer
56 views

How to fix invalid map node linkage?

My drive is formated to hfs+ and it is not clean. In example when I'm trying to mount the drive by mount -f -o rw, dmesg displays the error: hfs: Filesystem was not cleanly unmounted, running ...
1
vote
0answers
26 views

Get path of currently marked file

Im running OS X and I'm wondering if there is a way to get the path of the currently marked file in Finder. Like, can UNIX determine what file i have clicked on? Reasons for this would be for ...
1
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1answer
16 views

Command line tool for making icon files?

Is there any command line tool for making icns files to use for OS X apps? I am aware of icontool but it doesn't do what i want. It converts iconset files into and icns file. What i want it to do is: ...
14
votes
4answers
11k views

How can I install the `ll` command on Mac OS X?

I'm using Mac OS X. When I SSH into servers I find the ll command useful, but it's not available on my local machine. How can I install it?
0
votes
1answer
18 views

'last' does not include logs for few last days

When I execute 'last', I do not see logs from past 6 days. What could be the case? Is it possible to clear these logs? I'm on OS X Mavericks.
2
votes
0answers
34 views

Open a program (VLC) and move it to the foreground

On a Mac, specifically, when I use the VLC command line to open a video file, it opens in the background by default. How can I instead move it to the foreground whenever I run the command to open a ...
0
votes
4answers
62 views

grep for files and open the resultant matches

I'm trying to open all files based on some return values from grep in the command line. I know that I can use the -l option to only return filenames, but I would like to combine this somehow with ...
6
votes
5answers
2k views

How to make bash put prompt on a new line after cat command?

What I get: host:~ user$ cat example.txt some texthost:~ stas$ What I want to get: host:~ user$ cat example.txt some text host:~ stas$ Is there a way I can make cat behave like this? I'm using ...
3
votes
1answer
74 views

Differences between dd in Mac OS X and Linux

When using Linux (Debian), I often use dd to copy a disk image to an SD card. I have written a script that throws an error if the device file specified in the "of" option is too large. This keeps me ...
2
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0answers
14 views

OS X: destroyfvkeyonstandby question

This is a very OS X specific question. I don't know if it applies to the rest of the Unix family. Sorry if this isn't the best forum for it, but the users here appear to be more knowledgeable in ...
0
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2answers
35 views

Automatic extraction of zip files like in osx

In Mac OSX if you have downloaded a zip/gz/bz2 file, and you double click it in Finder, then the archive is automatically extracted for you in a subfolder, which I find very nice. I am wondering if ...
0
votes
1answer
28 views

Terminal access permission denied, but GUI access okay. Why?

In OS X, as a limited user I used Terminal to su - [admin's name] and tried to move some files that were in the administrator's public drop box directory into /usr/bin. Couldn't do it. Permission ...
2
votes
1answer
43 views

pf blocks all in/out traffic instead of just the one port I wanted to block

I need to block one incoming port with pf. I'm new to pf, and I can't figure out what I'm doing wrong here. Here is my entire rule file, made to block incoming port 22: set block-policy drop pass in ...
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0answers
20 views

I Modified my PATH when installing git. What is the default path on Mac?

When I was troubleshooting a git install, I did a few things. I think that I modified my default path. Echo $path returns ...
2
votes
1answer
41 views

User permission issues in OS X

[OS X 10.9.4] Three questions, but they're really all part of the same thing. Machine has one administrative user and one limited user (in addition to built-in root and a guest user). I'm really the ...
1
vote
2answers
416 views

How to fix weird vim polluting the terminal behaviour on arrow keys and on delete in insert mode?

My terminal gets polluted by B, C,A,D when I try to navigate within vim using arrow keys and on delete using backspace it only scrolls back without deleting the characters on screen while the ...
0
votes
1answer
53 views

External Hard Drive Issue on mac

After the cd /Volumes command when I type ls it shows me my hard drive name twice, with different permissions. After that when I try to use mkdir to create a directory in the external hard drive I'm ...
2
votes
2answers
768 views

Quickly check whether many network hosts are up-and-running

Objective: check if a host is up-and-running on the network, with a method that can be efficiently parallelized over many hosts. Emphasis on a QUICK turnaround of the check. Reason to emphasise ...
1
vote
2answers
29 views

How can I prefer another bin file?

I have installed both Wine via Homebrew and via WineBottler. I have multiple bin files named wine. When I run for example wine morrowind It starts it with the one in ...
2
votes
1answer
825 views

Transferring Files SSH SCP Error Message: 'Stdin: is not a tty'

I am using a Macbook SSH terminal and generated RSA key pairs and uploaded remote id_rsa.pub with approved permissions. I can connect with remote Apache web server. I can create, open, move, modify ...
0
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2answers
31 views

Cant use hombrew because of “bad cpu type one executable”

Here is my exact error message Error: Bad CPU type in executable - otool I can't run stuff like brew install wine Any help please? I'm running OS X.
1
vote
2answers
586 views

Linux guest VM on mac host - Keyboard

I use a Mac as a development box, but am slowly transitioning to Linux. So I am spending the majority of my time in the Linux guest VM while working. But I still spend a fair amount of time in Mac ...
3
votes
1answer
2k views

Sound volume control does not work in Ubuntu

My sound volume control does not work when I'm logged in with my regular user, though the sound works correctly. What's weirder is that the sound control works when I'm logged in as guest. With my ...
0
votes
0answers
22 views

How do I uninstall homebrew without uninstalling software installed via homebrew?

I don't like messing with my /usr and similar folders. I'm going to install one application via homebrew then I want to uninstall homebrew without uninstalling that application. In this case - wine. ...
3
votes
3answers
190 views

Change routes for VPN

I need to use for some things a cisco VPN connection, but I don't want to route all my trafic over the VPN but only that traffic, that is send to a specific network. How does a script look like, that ...
1
vote
1answer
35 views

How do I change emacs application name from “Emacs” to something else in OSX?

I run multiple emacs instances with open -n -a Emacs.app command. The problem is that it's hard to distinguish between them when you switch with Cmd+Tab, because they're all named "Emacs" there. How ...
1
vote
2answers
1k views

A simpler way of comparing md5 checksum?

After downloading a file that has a md5 checksum available I currently check it with md5 *file* | grep *given_checksum* e.g. md5 file.zip | grep -i B4460802B5853B7BB257FBF071EE4AE2 but it seemed ...
5
votes
2answers
948 views

ssh-add in not persistent between reboots

I add a ssh key to the agent by $ ssh-add ~/.ssh/id_rsa_mac Identity added: /Users/alex/.ssh/id_rsa_mac (/Users/alex/.ssh/id_rsa_mac) After reboot I don't have this key added anymore: $ ssh-add -l ...
1
vote
3answers
87 views

shell script to run on boot on Mac OS X does not run all commands

On OS X, I am trying to use lingon to run a shell script upon booting. I have a file ~/desktop/_admin/boot/bootdocker.sh: #!/bin/bash boot2docker up export DOCKER_HOST=tcp://192.177.59.103:2475 My ...
0
votes
1answer
53 views

How to “bless” a disc without access to OSX?

I have a MacBook Pro. The original harddrive died and has been replaced. I've installed Fedora20 on the new drive. The new drive was never "blessed" and thus boot takes 30 seconds longer than it ...
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1answer
34 views

In Mac Os, what is .DS_store?

In each folder I find a hidden file called .DS_store? What is this exactly?
0
votes
0answers
56 views

Private VPN compression for faster internet

I've posted this same question on StackOverflow as well, but figured out I may get more Debian-specific answers here Background: I'm a student, and currently the WiFi connection at my school is very ...
2
votes
2answers
2k views

How do I parse namespaces from an XML file using XMLLINT and BASH

Below I have an example of an Adobe XML swidtag used to track inventory. I need to parse out relevant information using xmllint in bash and output that to a new text file. For example I would like ...
4
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4answers
3k views

How to use ifconfig to show active interface only

By default ifconfig will show me all available interfaces , but what if I just want to display active ones? Like, en0 only in below. en0: ...
0
votes
1answer
48 views

Mounting Linux root fs NFS share on OS X?

I am attempting to share the root filesystem (/) of a CentOS 6.5 virtual machine to my OS X host system. While this should be relatively simple process, I'm hitting some kind of wall. Presently my ...
0
votes
1answer
209 views

Installing Xmgrace on Mac problem

Hi I'm totally new to UNIX, I use my console for 2 months only and only know the very basic commands... I have worked on a machine previously and have been using the xmgrace command to make some ...
0
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0answers
35 views

Mac Terminal: Scroll up and down in screen mode

I am in screen mode and I am outputing results that are too long to read through even using Ctrl+a + [ + Up / Down Arrow Key. Is there a way that I can scroll up and down using the mouse in screen ...