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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2
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1answer
10 views

Edit a file via a script yet maintain the osx tags

On OSX you can have tags which allows you to identify different categories of files. Here are two text files with different tags when viewed in Finder: I have a large number of these files and have ...
0
votes
1answer
16 views

Mounting smb shares on OS X accessible with Microsoft account

I have a Windows machine which shares a particular directory and only an owner of this directory is able to access it over the network. Owner account is linked to Microsoft account. I am trying to ...
0
votes
1answer
255 views

Problems booting Kali Linux 1.0.9a 64 bit on Macbook Pro

I have a mid 2009 Macbook Pro that I am trying to dual boot OS X and Kali Linux on. I replaced my optic drive with my old HDD and replaced my HDD with an SSD. OS X and my apps are running off of the ...
12
votes
4answers
5k views

If I connect a physical device, how can I ever know which device file belongs to it?

Say I plug in several USB drives which don't get automatically mounted. How can I find out which device file belongs to which physical device, so I can mount it for example? I'm running Mac OS X but ...
1
vote
2answers
40 views

How do I find folders containing no recently modified files?

I have a directory that gets a lot of data dumped into it, and I want to find all directories whose contents haven't been modified recently (e.g., in the last 5 days). I'm trying to compose a call to ...
0
votes
0answers
17 views

Dual Booting Macbook pro mid-2009 with Ubuntu and OS X Yosemite

Machine - Macbook Pro 15" Mid-2009 Hi, I am trying to triple boot my system with: 1. OS X Yosemite. 2. Ubuntu 14.04 LTS 3. Windows 8.1 For now I am trying to install linux first and then I plan to ...
0
votes
2answers
837 views

How to install Broadcom BCM4360 on debian on Macbook pro

I'm trying to install the wireless drivers because my macbook pro does not have a ethernet port, then I mount the 3 debian isos like local repositories to install the almost all of dependeces. So, ...
2
votes
1answer
32 views

What's the easiest way to detect what signals are being sent to a process?

I'm trying to debug an issue with my shell (specifically, fish) sending signals to my background processes. I'd like to be able to recognize what signals a process is receiving. Ideally, I'd like ...
0
votes
1answer
160 views

Linux Mint freezes while downloading eclipse

I installed linux mint on parallels on my mac computer. It seemed to work fine and then, while downloading eclipse from Software Manager the entire system froze when it got to 40%. I've tried ...
11
votes
3answers
422 views

No colored output in less for the ls command

If I run ls I get colored output which I find pretty handy for quickly getting a glance of the kind of file. When I try to pipe it to less even with the -r and -R flags the coloring always get lost. I ...
2
votes
1answer
34 views

Replacing by tab character in Sed in Osx

I am working in Mac OS X,I have tried several commands in sed to replace by a tab character followed by a file name. for f in *.txt; do sed -i '' -e "s/$/\t$f/g" $f; done for f in *.txt; do sed -i ...
0
votes
0answers
13 views

Which linux version to install? [closed]

Is Linux Mint 17.1 Rebecca(Cinnamon) 64 bit is good for use with HPlaptop and can you tell me the steps to install this version of Linux os,, is it good to use or else suggests me good linux or ubuntu ...
0
votes
1answer
26 views

Why convert .GIF to .MP4 file using by ffmpeg on Mac OSX got .MPEG4?

ffmpeg -i original.gif -r 10 outfile.mp4 According to command above, I've got outfile.mp4 but when clicked to see the information of file, i see it's actually a .MPEG4 file and the icon of file is ...
0
votes
1answer
553 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
2answers
79 views

Shell script for ssh into a Unix/Linux server from MacOS X 10.10

I am attempting to ssh into a server by using a bash script from MacOSX. #!/bin/bash spawn ssh username@gatewayserver expect "password" send "Mypassword\r" interact spawn ssh ...
11
votes
6answers
2k views

Disable Keyboard & Mouse Temporarily

I would like to know how one can disable the keyboard & mouse temporarily in OS X.
3
votes
1answer
53 views

How can I test if my /tmp “works”?

I had to delete some files and whatever, long story, I ran sudo rm -rf /tmp/. Now, on mac (might be universal, I'm not sure) it is a symlink to /private/tmp/. But my /tmp/ folder has a thumbnail ...
0
votes
1answer
37 views

Maintaining the Current Style of the Command Prompt After Using 'su?'

When I use the su command in OS X's Terminal — say, to quickly switch to an administrator account to mount a drive using diskutil — the style of the command prompt changes. ...
0
votes
1answer
19 views

How to turn on tab completion in zsh/prezto?

I have installed prezto and trying out zsh. However tab completion is not on by default. What is the best way to enable tab completion in prezto?
1
vote
0answers
13 views

need help with vf project in fish shell

Hi I am using virtual fish on fish shell, so while trying to do vf project projectName it throws the below error: vf project pytube fish: Unknown command 'virtualenv' ...
1
vote
0answers
15 views

OS X Yosemite is SUS - Single Unix Specification 3 certified. But what posix standard is it compliant to? the latest one is 2008

I'm confused. Is SUS compliance the same as POSIX compliance? Is yosemite compliant to the latest standards, what years exactly?
0
votes
3answers
1k views

SSH public key authentication works on LAN and not from WAN

I've setup my SSH server to use public key authentication. When I connect to my server on local network, it authenticates. But it doesn't when I connect over the internet. I don't think the problem ...
0
votes
2answers
72 views

Convert input string to date in shell script

My shell script: #!/bin/bash echo "$1"; startd=$(date -d "$1" +"%Y%m%d"); echo "$startd"; My command: sudo ./test.sh "20151010" The output: 20151010 20150213 it printed todays date ...
0
votes
0answers
19 views

Folder keeps vanishing/showing up in finder, terminal says it doesn't exist

Upon a standard find routine I noticed a folder kept returning errors, even tough it didn't contain any of the arguments in the search query. Ilha-VB2-leo:FESTIVAIS_01-16 ilhavb2$ find . -iname ...
1
vote
0answers
29 views

Ubuntu Grub recognises MacOS but cannot boot up

I tried a little experiment on installing MacOS on a non Mac Hardware Laptop... Got this far as to put the MacOS Install ISO on to an HFS+ partition but the machine needs to boot this up for the ...
1
vote
2answers
62 views

How can I invoke vi instead of vim [duplicate]

I want to use vi for better pasting. When I use vi I get vim When I type /usr/bin/vi I still get vim This is on my Max OSX 10.10 Yosemite
3
votes
3answers
40 views

Run fgrep multicore mac os x

I'm running this command on my Mac OS X on 8 cores: for i in $(cat file1);do grep "$i" file2; done > output.txt My file2 is 9 million lines so it takes a lot of time. Is it possible to use all ...
0
votes
1answer
60 views

Running Java classes in a package --> Error: Could not find or load main class

I'm learning how to compile and run java classes in terminal using the commands javac and java. I have no problem compiling and running an individual class, however, when I put that class into a ...
2
votes
1answer
47 views

How do I restart tor?

I have been trying to restart tor (for the sole purpose of changing my IP address). So what I did was make an alias to pkill -x tor; tor. But that gives me the usual tor is already in use/the ip ...
22
votes
4answers
7k views

What makes OSX programs not runnable on Linux?

I know there are many differences between OSX and Linux, but what makes them so totally different, that makes them fundamentally incompatible?
2
votes
2answers
58 views

Custom bash 'context' when running from FISH

First of all, I'm on OSX10. My default shell is BASH, which I have set up (through .profile and .bashrc) to automatically run the FISH shell when I open my terminal emulator. This allows me to set up ...
1
vote
2answers
27 views

Including Directories in Locate on Mac OS X

Can anybody shed light on which directories OS X decides to put in the locate database and which it decides to omit? It's pretty clear that ~/Library is out - which others? And how do I modify this ...
2
votes
1answer
36 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 ...
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 ...
1
vote
1answer
17 views

Failure to update Homebrew

So I'm trying to update my home brew version but I get an error. Here is a copy pasted part from the console: $ brew update error: Your local changes to the following files would be overwritten by ...
2
votes
3answers
49 views

How to merge keys, or handle keys with the same file name?

I created a key for logging into a server (using ssh-keygen) with the name id_rsa, and so in my .ssh directory there is id_rsa.pub and id_rsa. The reason I used this name, is because when I tried ...
3
votes
1answer
427 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
2answers
701 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 ...
9
votes
4answers
475 views

Use #!/bin/sh or #!/bin/bash for Ubuntu-OSX compatibility and ease of use & POSIX

I know that I can use either as the first line of scripts to invoke the desired shell. Would #!/bin/sh be recommended if compatibility with all unix systems is an absolute requirement? In my case ...
4
votes
5answers
265 views

sort order explanation

Giving a lot of files, sort -n gives me this result: f1.txt f10.txt f2.txt which doesn't seem right to me. What is the explanation? Can I get this by default: f1.txt f2.txt f10.txt
0
votes
0answers
11 views

pkgsrc package install message

When installing gnupg2 on Mac OS X 10.10.2 using pkgsrc I got a message $ pkgin install gnupg2 ... =========================================================================== The following files ...
1
vote
1answer
21 views

Importing Python files from inside folders

On Mac OS X, I can import a .py file named test inside the directory dir by running import dir.test However, on Debian (specifically Raspian) this does not work. What is the alternative?
2
votes
1answer
1k 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 ...
5
votes
3answers
20k views

How to repair a corrupted HFS+ partition from a damaged hard-disk?

I have a friend's Mac OS X disk that comes with an HFS+ partition. I am supposed to recover the personal data from this disk, and I'm not yet sure if the filesystem is corrupted or the disk is dying). ...
0
votes
0answers
30 views

Can't use Homebrew on OS X Mavericks because of otool error

When I try to use Homebrew, it will give me an error like this: JimBob:~ fast$ brew install wine sh: /usr/bin/otool: Bad CPU type in executable Error: Failure while executing: /usr/bin/otool -L ...
1
vote
0answers
33 views

Cannot change bash shell in Mac OS X

I'm trying to update bash shell on my Mac OS Mavericks. $ brew install bash $ which -a bash /bin/bash /usr/local/bin/bash $ which bash /bin/bash $ chsh -s /usr/local/bin/bash $ which bash /bin/bash ...
2
votes
1answer
46 views

Multi-month view in calendar (cal) in OS X

I am hoping to run some of the commands listed in this article, e.g.: cal -3 which is supposed to show me the last month, this month, and next month. This command does not work in OS X. $ cal -3 ...
2
votes
1answer
29 views

How to merge duplicated history of command on terminal?

Do you have an experience like this? When you try to find a previos used command on terminal by up arrow and you find $ls # 1st time push `up arrow` $ls # 2nd time push `up arrow` ...
59
votes
10answers
35k views

How do I know if dd is still working?

I've not used dd all that much, but so far it's not failed me yet. Right now, I've had a dd going for over 12 hours - I'm writing an image back to the disk it came from - and I'm getting a little ...
2
votes
0answers
26 views

Reliable method to determine system language in OS X

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 ...