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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41 views

ssh-copy-id hangs with 8192-bit key

Having a bit of an issue with ssh-copy-id it seems to hang when i try to copy 8192-bit rsa keys accross to an OpenIndiana server. I running OS X as my client OS. Is anyone aware of issues with keys of ...
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2answers
84 views

emacs wont let me use a different background color

I've tried different themes in emacs (on mac with xterm set to 256) and everything works great except it's ignoring the theme's background color. Even if I add (set-background-color "red") for example ...
0
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1answer
41 views

Is there any command to list all related files and folders to specified file in macosx?

I have many ctags in my macosx. When doing which ctags, it gave me /usr/bin/ctags. But I also want to know where is all related folders and files to this /usr/bin/ctags Any useful command?
4
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1answer
122 views

Undocumented pppd exit code

If my machine (OSX 10.9.2) is not connected to the Internet and I want to establish pptp connection by using pppd: $ sudo /usr/sbin/pppd serviceid 5BE14D3A-7B94-4704-ADE0-9883B189199E debug logfile ...
4
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2answers
704 views

To grep 20 characters after and before match

I have the problem that I get too much information after the match for grep -RnisI --color=auto "pseudomonas" * I want to get only like 20 characters or 10 words after and before the match. What ...
0
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1answer
126 views

I am the owner of a file and I have write access: why can't I save?

I am on OSX 10.9.2 I am locked out of postgres and trying to modify pg_hba.conf to get back in. http://stackoverflow.com/questions/11919275/can-not-enter-and-change-postgresql-pg-hba-conf-file I run ...
0
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1answer
77 views

OSX plist editing causes app crash

Does anyone have any idea why Finder (or iBooks or Mail, or Preview BUT NOT Terminal) crashes after adding the following key:value to its plist: LSUIPresentationMode -int 4 (puts the Finder's ...
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3answers
677 views

Why are interactive shells on OSX login shells by default?

In Linux and, to my knowledge, all Unix systems, terminal emulators run interactive, non-login shells by default. This means that, for bash, the started shell will: When an interactive shell that ...
1
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0answers
403 views

How can I configure NoMachine 4.0.369 for OS X to connect to freenx-server on Fedora 20?

On an otherwise untouched installation of Fedora 20 Security Lab, I'm trying to enable NX access so I don't have to use Windows and the vSphere console. I have to use SSH to reach the host, no other ...
2
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2answers
75 views

In OS X Darwin, why can I interfere with text input across user sessions using cat?

OS X Darwin: Disrupting Terminal Sessions Across User Identities How, in Brief: with cat < /dev/ttys_, in Terminal. My Question This OS X 10.9.2 Darwin behaviour seems odd to me, and I would ...
1
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0answers
61 views

htop: Using Ctrl + n & Ctrl + p to move between processes

I'm running the latest version of htop through Homebrew on the latest OSX. htop seems to work well on my terminal (either Terminal or iTerm), but: I'm unable to use Ctrl+n and Ctrl+p to move up and ...
3
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4answers
364 views

Use basename to parse a list of paths held in a file

I'm running Mac OSX and trying to use the command line to find the number of files I have with the same name. I tried to use the following command: find ~ -type f -name "*" -print | basename | sort ...
2
votes
1answer
70 views

Copying emacs content through terminal app's clipboard copies unexpected tabs for some spaces

I'm using terminal.app on OS X, and when typing in emacs I often want to copy the text and paste it into some other program. When I do, I find that copied text has some spaces unexpectedly replaced by ...
19
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3answers
1k views

mv a file to /dev/null breaks dev/null

If I do: touch file; mv file /dev/null as root, /dev/null disappears. ls -lad /dev/null results in no such file or directory. This breaks applications which depend on /dev/null like SSH and can be ...
0
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1answer
95 views

Using a minimal linux host for OSX and W7 VMs

I am a 3d artist (animation/modeling/sculpting) and I have a dream. I have licenses of zBrush the Autodesk and Adobe suites. My zBrush is a mac only licence; maya is both (I think), Adobe is for ...
7
votes
2answers
111 views

How do I only undo pasted text in vim?

TL;DR; version - How do I undo text that was pasted in from my OS copy buffer without undoing other text that was typed in since I went into insert mode? Longer description: Put something in your ...
1
vote
1answer
416 views

Configuring Vim with clientserver and clipboard

On OS X I have vim working just fine from homebrew. The default homebrew install compiles vim with these flags. ./configure --prefix=/usr/local --mandir=/usr/local/Cellar/vim/7.4.161/share/man ...
1
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1answer
86 views

What version of bash am I running

I tried to change default bash on OS X Mavericks, Installed new bash trough brew, run chsh -s /usr/local/bin/bash, went to "Users and group" made sure that Login shell for my login points to the ...
0
votes
1answer
24 views

Unrecognized Type: for length of date string [closed]

I am getting current date and checking for length of date if non-zero then perform some action. now=$(date) echo "$now" if [[ -n "$now" ]]; then echo "not empty" fi Prints this to console- Mon ...
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0answers
71 views

unable to open openmpi ? Terminal / OSX 10.9.1

Hi I am trying to simulate an example of a software using terminal on OSx 10.9.1. When I execute examples the terminal said Bus error:10 and some errors abput openmpi. I downloaded Openmpi versions ...
0
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1answer
190 views

What is the difference between OSX, Linux and Windows System Authorisation? [closed]

Last week my lab instructor started giving us introduction about linux and how to use CLI commands. Anyway, he started insulting and joking about Mac OSX systems and how they are a joke systems. He ...
1
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1answer
51 views

Automatically copy PDF.plugin to Chromium.app

I'm using Chromatic.app to update my Chromium.app recently. I'd like to use Chrome.app's PDF.plugin in Chromium.app. Therefore I need to copy PDF.plugin to the following directory: ...
4
votes
2answers
700 views

How can I get the tac command on OS X?

I like to use tac to reverse the output of cat. However, it's not available in the Mavericks terminal. I tried to find it on MacPorts and again it's not available. Can anyone please show me how to get ...
4
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2answers
137 views

run perl script with unknown perl location

I'm developing a perl script which expected to be downloaded by Mac users with a very small knowledge of shell, linux etc, let's say office managers and accountants. After the downloading the script ...
0
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0answers
33 views

safely override oh-my-zsh configurations

I made some changes to my oh-my-zsh configurations, namely I changed an alias in /lib/aliases.zsh and commented out a function in a plugin that I overrode in a script. I'm wondering if there is a way ...
0
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2answers
97 views

OSX 10.9.1 unable to open .pkg file

I downloaded gfortran-4.8.2.pkg from http://coudert.name/software/gfortran-4.8.2-Mavericks.dmg but somehow I could not open it . I unpacked it, right clicked so, the menu was appeared, it said ...
0
votes
1answer
233 views

UDP commands for Linux and Mac?

I'm trying to test UDP between 2 terminals in the same machine. For instance: Terminal 1 UDP listener@port:3000 UDP sender to port:3001 Terminal 2 UDP listener@port:3001 UDP sender to ...
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2answers
1k views

what is the command to display .eps files?

I'm have a file called t-0.8.eps. How can I open this file in the shell? I am using Mac and when I click .eps files the preview (the name of the software to read PDFs) says failed.
2
votes
1answer
614 views

zsh completion installations (autojump) - How to use them?

I just installed autojump and have oh-my-zsh installed in my system. I have included the log of the installation at the bottom of this post. Note that at the end it says: zsh completion has been ...
2
votes
2answers
109 views

What is PATH on a Mac OS?

What is the PATH in a Mac OS? I have used it to install global command-line tools, but the only documentation I have found are tutorials for doing just that, with no real explanation of what is ...
2
votes
1answer
58 views

/etc/paths in OS X and other Unices

Is /etc/paths read by every shell that I run in OS X? For example, if I use zsh, will it parse /etc/path to populate $PATH? What exactly is the sequence that OS X follows to populate $PATH? Does it ...
1
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1answer
156 views

Difference between .tar.gz.asc, git.tar.bz2 and .tar.bz2

I have a Mac running OSX 10.9.1 and I want to install Gerris and its dependencies. In the last lines of the page I have to install ffmpeg. But there are lots of releases of ffmpeg. Which one I should ...
0
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0answers
53 views

No such process error with launch ctl start. Mac OSX 10.9

The goal is to set the machine's network name with the IP address of this machine. I have created a plist file and put it into /library/launchagents/. For debugging reasons, I used the commandlaunctl ...
1
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1answer
40 views

Which software to use? [closed]

I am familiar with Unix and am trying to move my home away from Microsoft completely. I wannna build a NAS/website(local and webwide) server. My primary OS is OS X Mavericks and secondly Ubuntu. ...
0
votes
1answer
131 views

Missing source ~/.bashrc Mac terminal : ~/.profile?

I need to install Gerris on mac 10.9.1. The website http://gfs.sourceforge.net/wiki/index.php/Mac_OSX_Installation says: Note: make sure that the file ~/.profile contains the line source ~/.bashrc ...
1
vote
1answer
657 views

ddrescue extremely slow on USB hard drive

I'm recovering the HDD from my laptop that died (wouldn't boot up at all, Disk Utility reported that there were no problems, but wouldn't mount the disk). I've hooked up the HDD through the USB ...
0
votes
2answers
101 views

Why mkdir -p /Local/Foo/Bar/Wah not work but cd /Local and mkdir -p Foo/Bar/Wah works? [closed]

I am trying to create a local folder in my local development machine, on Mac OS X Mountain Lion, so I did: sudo mkdir /Local sudo chmod 777 /Local mkdir -p /Local/Foo/Bar/Wah (note that last line ...
3
votes
0answers
62 views

OS X-like deadkeys behavior on Linux

I'm on Debian (actually Crunchbang), and my notebook has a default US layout keyboard. My native language is Brazilian Portuguese (pt-BR), so I've changed my layout with setxkbmap -layout us -variant ...
0
votes
1answer
73 views

“Cannot determine operating system” error

I have a OSX 10.6.8 and installed a LINUX version of Mathematica in my mac. When I try to open it with X11 or Terminal, it claims that "mathematica cannot determine operating system". I cannot ...
0
votes
0answers
25 views

How do I install GCC and make on a mac without administrator access or using Xcode?

I'd like to install gcc and make on my Macbook Air, but I don't have root access on it. I found this link through searching on google, but I have no idea how to set up the prefix's so that the actual ...
0
votes
1answer
186 views

How do I find out the keycodes for Ctrl+up and down arrow for TERM=screen?

I am using tmux a lot, and I have already managed to tune my OS X terminal to send the correct key codes for Ctrl+left and right arrow (\033b and \033f). I found those information on the web. However, ...
4
votes
2answers
8k 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
3answers
296 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 ...
2
votes
1answer
82 views

Why when I enter the command “hostname” it returns something other than my computers name?

I am using a macBook Pro I enter: new-host-2:~ Justin$ hostname And it returns: new-host-2.home Why is this when it says in setting/sharing my computers name is "Justin's macbook pro" and computers ...
1
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0answers
41 views

Convert command produces a small error [closed]

First off, I'm on a Mac, but I think this can be solved here. I'm converting a .gif animation to a series of .png's using. $ convert ex.gif my_png_files_%d.png I get a series of .png-figures but ...
1
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1answer
94 views

rsyncing from ext3 on mac: file has vanished

I am on Os X and I am rsyncing from a ext3 volume (that I read with osxfuse 2.6.2) to a HFS+ volume. The data I am backupping are ~ 500GB. Sometimes rsync gives the following message: file has ...
1
vote
2answers
678 views

Why might an external Hard Disk Run super slow?

I have an external Western Digital HDD (1gig) which is running very slow, 0.5 - 1mb per second. This is on a Mac Pro running the latest OS with all the patches. The HDD is connected via USB directly ...
1
vote
2answers
43 views

Internetless/Remote Arch Install

Don't have a WiFi card compatible with any modules for Linux or Ethernet, but I do have working OS X install with WiFi. Do have brew on OS X, and it being OSX, most Linux programs will run. How can I ...
5
votes
3answers
200 views

Mac OS X find/grep generating “unknown --devices option”

I am entering a command I have done often with Linux, Unix perfectly fine but with Apple Mac OS X 10.8 (and probably before) I get a grep: unknown --devices option when I attempt to run the following ...
0
votes
1answer
87 views

where is the user content on a Mac OS X 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 (it's not yet clear if the FS is corrupted or the disk dying), but for the ...