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.

learn more… | top users | synonyms (1)

3
votes
0answers
54 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
45 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
20 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
81 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, ...
3
votes
2answers
1k 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
53 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
53 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
vote
0answers
32 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
vote
1answer
38 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
1answer
77 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
37 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
69 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
56 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 ...
3
votes
1answer
40 views

**/ not working with a mounted volume

I'm trying to recursively extract a set of .jpgs from a mounted volume using SMB1, to a folder on my computer. Here's what I've got: cp -a **/97*.jpg /Users/.../All_Covers This works as long as my ...
2
votes
2answers
55 views

Should my /usr/local/bin be 700 permissions?

I just installed npm and node.js, and I couldn't access npm. And I'm like "why?" and my OS is like "because /usr/local/bin is at 700 permissions" and I'm like "should it really be that way?" ...
1
vote
3answers
879 views

How to persist ulimit settings in OSX Mavericks?

Before Mavericks, one could use /etc/launchd.conf to persist ulimit settings, for example: limit maxfiles 16384 unlimited limit maxproc 16384 unlimited It no longer works in Mavericks. What is the ...
0
votes
1answer
71 views

What distribution do you suggest for daily use? [closed]

I use my computer everyday for various reasons: programming in c++, android(java), java(in general) listening to music(spotify), watching movies browsing internet, watching youtube clips writing ...
3
votes
1answer
60 views

How to change the default editor for a file type in Mac OSx?

The default editor for java files on my Mac seems to have been set to Xcode, but I want to change it to be the basic TextEditor. I've looked in preferences for the association, but it's not there. ...
0
votes
0answers
29 views

When connecting with GNU Screen (patched version) RPi reprompts for password in kind of loop

I'm sorry this is a repost of my question on raspberrypi.stackexchange.com, but I didn't get an answer there, so I thought I could post it here. If not, please suggest some other way to get help. I ...
0
votes
1answer
54 views

How to write a script that will open up multiple tabs in the terminal?

I am on OSX and using iTerm I have this so far #!/bin/sh open /Applications/iTerm.app & exit 0 So after opening, I need two windows and one of those windows will need to open 6 tabs. two of ...
1
vote
2answers
44 views

Shell script not working to open LimeChat through the terminal

I created a shell script that I will execute in the morning to open up all the apps that I want startup.sh #!/bin/sh open /Applications/Firefox.app & open /Applications/Messages.app & open ...
1
vote
0answers
66 views

Command for finding open ports

On my linux servers I have this alias set: alias ns="sudo lsof -Pi|grep -v ESTABL|grep -v CLOSED|grep -v -e '->' | tr -s ' ' '\t' | awk '{print $3 "\t" $8 "\t" $5 "\t" $9 "\t" $1}'| column ...
0
votes
1answer
40 views

Does changing ulimit get logged Mac/FreeBSD

For some reason our open files ulimit (-n) is getting changes to 256 when it should be 1024. I tried searching for limit in /var/log/{system.log,secure.log} but didn't see anything useful. Any idea ...
2
votes
4answers
61 views

How to edit/delete a .dot_file on mac without using Terminal

When I start Terminal I can not control it. It starts executing an endless loop repeating that some alias does not exist. Because of this I am not able to edit this file using a program such as vim. ...
0
votes
1answer
25 views

How to create an alias for opening a directory on Mac

Trying to create an alias hello. After typing hello in Terminal, then vi opens hello_folder. Now, this code returns: $ hello -bash: hello: command not found 1 #!/bin/bash 2 cd ~/Documents/ ...
1
vote
2answers
44 views

Mac OS X LDAP query via dscl yields different results for same user with same datasource

Where is the NFSHomeDirectory attribute stored for a Mac user who authenticates via LDAP? It doesn't seem to be in the LDAP database on the backend so I assume Open Directory is involved. I have 2 ...
4
votes
1answer
472 views

What does the “@” (at) symbol mean on OSX ls? [duplicate]

When I check permission of less files from the command line on my Snow Leopard OSX system using Bash I see -rw-r--r--@ for certain files and for others I just see -rw-r--r-- What does the @ mean here? ...
0
votes
1answer
75 views

Cancel SSH (after using it to browse) without logging out?

I'm afraid I'm not an expert on Unix and its command line (I'm using a Mac), so do bear with me (possibly an extremely stupid or basic question). I've used the command ssh -D 8080 -f -C -q -N user@IP ...
0
votes
1answer
107 views

Use remote ViM clipboard from iterm2 on Mac OS X

I have been using VNC for a long time for development and now I decided to move to iterm2 and screen. But there is a small problem. I have to ssh into a remote machine and use vim there. And I want ...
3
votes
1answer
3k views

Customize Top Panel / Global Menu / Super-Wingpanel in Elementary OS Luna

How on ElementaryOS change Wingpanel on Top Panel / Global Menu / Super-Wingpanel like OS X ?
0
votes
0answers
105 views

How can I continue past this point in installing Solaris 11 under VMware Fusion 5.0.4 on Mavericks?

I have a Mac running VMware Fusion 5.0.4 on OSX Mavericks, and I do not seem to be able to get past a certain point on installation on either of two installers I tried. A (text) window comes up, ...
2
votes
1answer
88 views

VirtualBox abnormal behavior when mouse focus from iMac Maverick to vm running Debian wheezy

I am experimenting this really annoying behavior. I never had this problem with other platform combination. In this combination: Hardware OS Host: iMac Maverick Oracle VirtualBox 4.3.2 r90405 Vm ...
1
vote
0answers
61 views

Keyboard mapping VNC

I recently installed realvnc server on my pc running windows 7, however when connecting from my macbook using the "screen sharing.app" a number of keys are unavailable. For example I need to use the ...
2
votes
1answer
68 views

Translate GNU ps flags to standard flags

I'm using oh-my-zsh and its ssh-agent plugin on OSX, but lately somebody upstream decided to use ps x. I'm not entirely sure what that even does, since I haven't used a GNU userland in something close ...
2
votes
1answer
227 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 ...
0
votes
0answers
239 views

Octave - warning: unable to open X11 DISPLAY

My setup is as follows: Octave 3.6.4 Mac OS X Mavericks 2009 Macbook Pro I'm trying to run Octave in Terminal, with gnuplot. I'm trying to plot matrices in a graph, as part of an online Coursera ...
0
votes
2answers
108 views

Problem with file permissions in shared directory under /srv between OS X and Ubuntu

I'm setting up some folders where any user in the users group can collaborate on files, on a Ubuntu 12.04 LTS server. It seems that users on my machine have no problems editing each other's files (I ...
3
votes
1answer
55 views

Spawn a new terminal window from the terminal

Is there any terminal command I can execute that will pop open a new terminal window? I need something that will work in OSX' Terminal.app, but it would be nice if there were a way to do this that ...
1
vote
0answers
64 views

sshfs and Emacs: file changed on the disk

I am using Mac 10.6.8 SSHFS version 2.4 fuse4x library version: FUSE 2.8.7 / fuse4x 0.9.2 I connect via sshfs to a remote cluster (via a bridge). I modify the remote files with emacs. The problem ...
1
vote
0answers
36 views

sshfs: experiencing data loss

I am connecting to a filesystem on a remote server via sshfs. What I do is just to modify these files with emacs. From time to time I am experiencing data loss. While I work on a file and try to ...
2
votes
4answers
489 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
2answers
431 views

Rename file in Mac OS Terminal using Regex

Hundreds of images need to be renamed with a terminal command using regex on MacOS 10.9 Mavericks. The files are named this way: 0045AW489R3T(IPCAM)_0_20131124101245_931.jpg ...
2
votes
2answers
59 views

OS X: how to keep the computer from sleeping during a http connection

An application I use downloads data from a specific server, and I need it to sleep after the download has finished and the socket is closed. However downloads take place at random days, the app that ...
1
vote
1answer
234 views

Get the current volume level in OS X Terminal CLI?

I would like to check the current volume level from the CLI on my Mac. I know I can set it like this: osascript -e 'set volume <N>' But that doesn't seem to work when trying to get the ...
0
votes
1answer
19 views

Weird logging behavior in Berkeley mail on a Mac

I use Berkeley mail (/usr/bin/mail) on an iMac. It has just started behaving in strange ways. If I type "~v", to open an editor, I get "[LogLevel VERBOSE]" or sometimes "[LogLevel DEBUG]" and the ...
1
vote
0answers
26 views

Preserving owner/group on OS X-provided CIFS shares

I read the attached StackExchange link: Automatically disable Linux extensions for Samba mounts about disabling CIFS Unix Extensions in order to mount OS X CIFS shares. However, my understanding is ...
1
vote
0answers
74 views

Getting g++ to work on Mac with Xcode

In trying to get g++ to work in terminal I ran a command which I have now learned is outdated. I think this is why running g++ in terminal returns an error but I am unsure. If I try to run any .cpp ...
1
vote
1answer
35 views

Make terminal print name of parent process OSX [closed]

Slightly above n00b, but not by much. I made an alias to search for and display all of the processes associated with a specific user account that seem to auto initiate every time I log in, which are ...
1
vote
1answer
295 views

startx from mac osx to RHEL6

I am trying to get a GUI over ssh -X. My RHEL6 server did not have X Window System and a graphical desktop environment. So I installed using yum groupinstall "X Window System" Desktop. It installed ...
1
vote
1answer
137 views

How can I change my bash prompt to show my working directory?

I can print my current working dir like this myPrompt$ pwd /Users/me/myDir I want my shell to look like this /Users/me/myDir$ pwd /Users/me/myDir Is that possible? How can I do it?