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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Error with sed on MAC OS X invalid command u

Im french sorry in advance for my bad english... So i have an error on MAC OS X when im using sed sed -i '' '/user_pref("mail.identity.id1.reply_on_top", 1);/ a\ ...
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160 views

How do I start dnsmasq?

I have installed dnsmasq but I can't start it: $ dnsmasq dnsmasq: failed to create listening socket for 10.0.1.57: Permission denied $ sudo dnsmasq dnsmasq: failed to create listening socket for ...
3
votes
1answer
89 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 ...
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1answer
655 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 ...
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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 ...
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2answers
112 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 ...
2
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1answer
58 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
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1answer
164 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 ...
2
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1answer
77 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 ...
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1answer
382 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 ...
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6answers
2k views

Disable Keyboard & Mouse Temporarily

I would like to know how one can disable the keyboard & mouse temporarily in OS X.
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1answer
140 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?
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0answers
43 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' ...
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0answers
60 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?
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3answers
2k 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 ...
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2answers
3k 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 ...
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0answers
52 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 ...
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0answers
73 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 ...
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2answers
117 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
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3answers
130 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 ...
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1answer
3k 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
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1answer
279 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 ...
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4answers
10k 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?
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2answers
125 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 ...
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2answers
36 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
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1answer
69 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 ...
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1answer
44 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
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3answers
170 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 ...
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4answers
2k 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 ...
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5answers
304 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
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0answers
25 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 ...
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1answer
36 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?
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3answers
33k 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). ...
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0answers
90 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 ...
2
votes
1answer
72 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` ...
2
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0answers
32 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 ...
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2answers
195 views

read first element in array

defaults read -g AppleLanguages produces something like this: ( en, de ) I'd like to extract just the first element, in this case "en", defaults read -g AppleLanguages | awk '/\(/ ...
0
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1answer
422 views

vim - “Press ENTER or type command to continue” right after loading only?

Recently my vim has developed the habit of displaying Press ENTER or type command to continue the first time I do certain things right after I open it. For example, if I'm at my shell prompt and type ...
3
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1answer
92 views

Strange characters in GIT completion

I'm running bash GNU bash, version 4.3.25(1)-release (x86_64-apple-darwin13.4.0) on OS X 10.10.1. A week or so ago I've noticed that autocompletion has stopped working, but only for git. I'm ...
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0answers
27 views

Exporting the Safari (OSX) window to a remote Linux box

I have network access to a headless Mac mini running "OS X Server" (10.6.8 Snow Leopard). Sitting on my Linux desktop (Fedora) I can execute something like: ssh myuser@imachost xeyes and get the ...
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3answers
4k views

How can I print well formatted code

Similar to using markdown on Stack Overflow to create monospace output, how can I do that for my programs. I tried lp filename.txt and was pleasantly please to find that it was able to use the local ...
2
votes
1answer
94 views

how to change git path?

So I just installed the latest git, with the official mac installer. I'm on Mavericks. Sadly, git --version is still git version 1.9.3 (Apple Git-50) and which git gives me: /usr/bin/git ...
3
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1answer
836 views

bash find: get directory of found file

I have a parent folder named "parent_folder" with a lot of subfolders, in these subfolders is a file named "foo.mp4". I can find these files easily by doing this: mymacbook:parent_folder username$ ...
3
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3answers
158 views

Get modification date that can be used with touch -m

I need to get the modification date of a file so that I can set it on other files using touch -m. stat or perl -le 'print((stat shift)[9])' Didn't return what I wanted. I think that you are supposed ...
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2answers
79 views

Why does terminal say I have mail every time I open it?

I am using OSX 10.9.5 Whenever I open a terminal, it says something like: Last login: Wed Jan 21 10:29:13 on ttys002 You have mail. What mail is it talking about ? If I open the mail app, I have ...
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0answers
103 views

Can't boot into slackware installer

Can't boot into Slackware installer, I get stuck in this: The last line I see is: mousedev: PS/2 mouse device common for all mice I tried a external Keyboard with Mouse (Cordless but at least ...
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0answers
32 views

Mac OS X package installer generation/building on Ubuntu 14.04

I'm implementing a building server for an application that will run on Android, Linux and Mac OS X. I already have in place the scripts for apks and debs generation and I need to do the same for Mac ...
3
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1answer
240 views

Mac OS X combine cp and cat to sequentially copy and rename files in list

I am using a MacBook Pro OS X 2013 model. I have a list of filenames in a text file named list.txt separated by line breaks list.txt exactly like this, but this list is going to be long e.jpeg ...
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101 views

httpd -k stop/ start not working OS X

GE-Erics:~ eric$ httpd -k stop AH00548: NameVirtualHost has no effect and will be removed in the next release /private/etc/apache2/extra/httpd-vhosts.conf:19 AH00112: Warning: DocumentRoot ...
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1answer
149 views

How do I mount an SD card?

My SD card will suddenly not automount. It works on another Mac. Can someone provide a solution to mount with Terminal? $ diskutil list /dev/disk2 #: TYPE NAME ...