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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5
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3answers
7k 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
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1answer
87 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
96 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
36 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
92 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
64 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
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0answers
91 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
46 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
81 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
40 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
113 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 ...
8
votes
1answer
2k 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
84 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
340 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
5k 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
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0answers
189 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
171 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
127 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
79 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
2answers
1k 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
414 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
153 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
84 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
122 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
48 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 ...
4
votes
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
2answers
758 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
77 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 ...
2
votes
1answer
903 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
25 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
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0answers
39 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
103 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
70 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
489 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
874 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?
2
votes
4answers
883 views

How can I find out where the firefox bin is?

I am trying to add Firefox to my PATH like in this tutorial. I have Firefox in the Applications folder of my GUI on my mac book air. I am familiar with adding locations to my path. But I don't know ...
3
votes
1answer
216 views

Why a sleep 300 (5 minutes) can last several hours some time? [closed]

I have a MiniMac with the OSX system. My script is: while true do echo "Sleep 300 seconds = 5 minutes" date sleep 300 echo "end of sleep" date done I want it to repeat every 5 minutes; ...
0
votes
1answer
39 views

Login retrieval in osx [duplicate]

I got an old Mac G4 (powerPC) from the company who wanted to put it in a bin. The company agreed that I can take it home for private use. It is running an early version of OSX but because it is old ...
0
votes
1answer
35 views

Unexpected output after switch to root

Does somebody know, why I get -ne (probably param from echo from section of setting PROMPT_COMMAND line 23) after I switch to root? Here is my /etc/bashrc. Bash 3.2.51, OS X 10.9 ...
0
votes
2answers
38 views

Merge source files with destination, replacing older ones

I'm looking for the linux equivalent of the DOS command: xcopy from/* to/* /s/e/d/y Which copies over all new files and only replaces old ones. I'll be running this from the terminal of a Mac OSX ...
2
votes
1answer
67 views

Compiling programs to OSX

I have to decide between a MacBook Pro or an iMac. I have a desktop with Ubuntu and I love it. I have experience with terminal and I install texlive, TeXstudio, Bluefish, Geogebra, wxMaxima, gnuplot ...
0
votes
1answer
500 views

Trying to cp a path with spaces, fails when scripted but echoing and pasting succeeds? [closed]

I have a script that is trying to copy a directory from a path that includes backslash-escaped spaces and is stored in a string variable to a subdirectory of the working directory. When I run the ...
6
votes
2answers
371 views

Why wouldn't a symlink to a symlink work?

I've run into a weird issue when installing SWI-Prolog using homebrew on my OSX 10.9 box. I'm trying to debug it to figure out whose bug it is (SWI-Prolog's, homebrew's, or OSX's), so I can report it ...
0
votes
0answers
47 views

Exporting Logical Volume to Mac for use as Time Machine drive

I have an Ubuntu server, and I have put a hard drive into this server. The logical volume on this hard drive looks like Device Boot Start End Blocks Id System /dev/sdb1 ...
1
vote
0answers
65 views

can't access account with empty password

I used the passwd command to remove the password for my account. Now, when I try to use su to log in to my account, it won't let me enter an empty password. So now, I can't access my account. Any ...
1
vote
1answer
47 views

OS X virtualization for software development

I am a OS X user and I work on multiple platforms for which I need multiple dependencies. I want to separate my different development dependency packages in virtual environments so they are all ...
4
votes
1answer
521 views

Mac OS X Darwin: how to reset admin password?

Today I bought an ibook G4 from a garage sale. The people who sold it to me didn't know the password for the 2 accounts on it. Apparently it was the guys late father's laptop. Any suggestions on how ...
0
votes
0answers
147 views

gdb debugging in Terminal OS X (10.8.5) with zsh - zsh doesn't know gdb

For my studies I have to run a binary unix-program called bomb with gdb. Some time ago I followed the steps on ...
4
votes
2answers
256 views

Why does du report a size of 0 for some non-empty files on a HFS+ partition?

What is the explanation for the difference: $ ls -l /Applications/Safari.app/Contents/Info.plist -rw-r--r-- 1 root wheel 15730 11 jui 15:02 /Applications/Safari.app/Contents/Info.plist $ du -sh ...
1
vote
2answers
590 views

Automatically disable Linux extensions for Samba mounts

Samba enables Linux Extensions by default, which can be checked via /proc/fs/cifs/LinuxExtensionsEnabled On Mac OS X (10.8.5 or older) as well as older CIFS shares, mount.cifs will fail with a ...