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
votes
1answer
428 views

pf blocks all in/out traffic instead of just the one port I wanted to block

I need to block one incoming port with pf. I'm new to pf, and I can't figure out what I'm doing wrong here. Here is my entire rule file, made to block incoming port 22: set block-policy drop pass in ...
2
votes
1answer
45 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 ...
2
votes
1answer
48 views

User permission issues in OS X

[OS X 10.9.4] Three questions, but they're really all part of the same thing. Machine has one administrative user and one limited user (in addition to built-in root and a guest user). I'm really the ...
1
vote
2answers
45 views

How can I prefer another bin file?

I have installed both Wine via Homebrew and via WineBottler. I have multiple bin files named wine. When I run for example wine morrowind It starts it with the one in ...
0
votes
1answer
219 views

External Hard Drive Issue on mac

After the cd /Volumes command when I type ls it shows me my hard drive name twice, with different permissions. After that when I try to use mkdir to create a directory in the external hard drive I'm ...
0
votes
2answers
167 views

Cant use hombrew because of “bad cpu type one executable”

Here is my exact error message Error: Bad CPU type in executable - otool I can't run stuff like brew install wine Any help please? I'm running OS X.
0
votes
0answers
35 views

How do I uninstall homebrew without uninstalling software installed via homebrew?

I don't like messing with my /usr and similar folders. I'm going to install one application via homebrew then I want to uninstall homebrew without uninstalling that application. In this case - wine. ...
1
vote
1answer
42 views

How do I change emacs application name from “Emacs” to something else in OSX?

I run multiple emacs instances with open -n -a Emacs.app command. The problem is that it's hard to distinguish between them when you switch with Cmd+Tab, because they're all named "Emacs" there. How ...
1
vote
3answers
490 views

shell script to run on boot on Mac OS X does not run all commands

On OS X, I am trying to use lingon to run a shell script upon booting. I have a file ~/desktop/_admin/boot/bootdocker.sh: #!/bin/bash boot2docker up export DOCKER_HOST=tcp://192.177.59.103:2475 My ...
1
vote
1answer
2k views

sudo service command not found when installing mongodb

I am currently on OS/X using macbook. I want to stop the instance of mongodb service running. Hence I tried: > sudo service mongodb stop sudo: service: command not found After looking up on ...
0
votes
1answer
125 views

How to “bless” a disc without access to OSX?

I have a MacBook Pro. The original harddrive died and has been replaced. I've installed Fedora20 on the new drive. The new drive was never "blessed" and thus boot takes 30 seconds longer than it ...
-1
votes
1answer
53 views

In Mac Os, what is .DS_store?

In each folder I find a hidden file called .DS_store? What is this exactly?
0
votes
1answer
697 views

Private VPN compression for faster internet

Background: I'm a student, and currently the WiFi connection at my school is very slow (dead slow). I have an 8Gb 4G data-plan, but even with that, I'm running short at the end of the month. I have ...
0
votes
1answer
116 views

Mounting Linux root fs NFS share on OS X?

I am attempting to share the root filesystem (/) of a CentOS 6.5 virtual machine to my OS X host system. While this should be relatively simple process, I'm hitting some kind of wall. Presently my ...
0
votes
0answers
83 views

Mac Terminal: Scroll up and down in screen mode

I am in screen mode and I am outputing results that are too long to read through even using Ctrl+a + [ + Up / Down Arrow Key. Is there a way that I can scroll up and down using the mouse in screen ...
2
votes
0answers
27 views

How to identify process accesing usb port (scale)?

I'd like to identify through terminal which processes are using the scale connected to my mac, I need to kill those processes or clean the port to be used only by my app. Thanks a lot in advance.
1
vote
1answer
36 views

How are files or chunks delimited on disk?

I'm trying to recover some lost files by grep-scanning a hard disk. (The OS is Darwin 11.4.2. The file system is HFS.) How can I determine where a file (or contiguous chunk thereof) begins and ends ...
1
vote
1answer
52 views

Global variable for every script

I want to declare a variable in such way that every script can access and alter its value. I have written a script that set the value of a variable called flag on exit and I am using a crontab entry ...
0
votes
1answer
163 views

I cannot enter the vertical line character in OSX terminal

I'm using a Mac and I'm piping some data from curl to tar and when I went to hit the | in the terminal I got the o with an umlaut. It totally works fine, as the unicode character still comes up as ...
1
vote
1answer
67 views

tmux blocks certain things on my Mac

I really like tmux and use it often so I set the following in my .zprofile: [[ $TERM != "screen" ]] && exec tmux so when I open a new window, tmux will be there for me. However, there are ...
1
vote
0answers
89 views

Re-access NFS volume from OS X Mavericks client after server reboot?

My home server, running FreeBSD 10-RELEASE p7, exports NFS volumes to my MacBook Pro, running current OS X Mavericks. The MacBook mounts these via automount as /net/servername/volume without any ...
0
votes
0answers
108 views

xrdp - Cannot connect from OSX

I just installed Centos 6.5 and put xrdp on it. I set up my iptables to allow it, and I can connect fine (both over local network and over the internet) from Windows 7, iOS, Android (using the ...
3
votes
3answers
308 views

equivalent of `grep -a /dev/sda1` on Darwin?

I want to run something like % sudo grep -i -a 'some-string' <drive device> On Linux, <drive device> would be something like /dev/sda1. How can I find the equivalent on Darwin? (In ...
1
vote
0answers
332 views

Unable to boot into Mac OS after installing Fedora[Dual Boot]

I installed Fedora on my Mac and now when I boot, it says "booting in insecure mode" an then see a typical Linux "choose what to boot" screen. The List goes like: Fedora Fedora Recovery Mac OSX ...
1
vote
1answer
592 views

How do you move files into the in-memory file system mounted at /dev/shm

Someone recently told me about /dev/shm. You all helped refine my understanding of what /dev/shm is What dev folder allows you tell the OS to cache something? The person who told me about /dev/shm ...
3
votes
1answer
3k views

Reading FreeBSD UFS formatted external drive in Mac OS X

I have an external USB drive with backup files formatted in FreeBSD's UFS file system. When I plug it into a computer running Mac OS X 10.9.4, I cannot read the drive's contents, and I don't have ...
1
vote
0answers
47 views

man causes a broken pipe when using a pager other than less

I'm trying to write a simple script to format my man pages, but I've run into a broken pipe error. These lines both cause the error: env MANPAGER=cat man $foo man -P cat $foo and this is the ...
1
vote
1answer
124 views

Installing rvm and a specific version of ruby using rvm on linux based systems

UI testing is done using ruby and selenium. Installation of rvm Installation of specific version of ruby and setting a default version of ruby Note: Using a linux based operating system.
0
votes
1answer
754 views

Add text to end of every line

I have tried a lot of commands, like this: sed -i '' "s/$/<@string>/" txt.txt > txt2.txt This makes txt2.txt empty, why?!? sed 's/$/<@string>/' txt.txt > txt2.txt This does ...
3
votes
1answer
675 views

How do I fill my password automatically from .bash_profile when running command as sudo?

I know I could just put something like sudo mypassword in my .bash_profile, but I don't want to run every command as root. I want password to autofill under following circumstances: only the ...
2
votes
0answers
679 views

Can't get rEFIt to boot after install (Ubuntu + OSX on macbook pro)

I'm trying to dual boot Ubuntu and OSX on my macbook (MacBookPro8,2). As per the usual guide, I downloaded rEFIt (the .dmg) and installed it. Then I rebooted about 12 times and still always just get ...
1
vote
0answers
296 views

Fix X11 forwarding on OSX

I am looking for a way to fix/debug a X11 forwarding session on OSX. Here is my situation: From my mac I connect to a Ubuntu workstation with ssh -X (tried ssh -Y as well). X11 forwarding works ...
6
votes
10answers
27k views

Install rEFInd on OS X 10.10 Yosemite

I want to dual boot my macbook with Arch Linux and thus tried to install rEFInd using the install script, however, after install rEFInd doesn't seem to start at all? Anyone experienced the same issue ...
1
vote
0answers
33 views

Edit a command? [duplicate]

I'm using many basic commands of unix/linux. In Mac OS X Mavericks, I type cat for a file, but output was faulty. In example, content of the file named bar: foo bar Then: ...
1
vote
3answers
291 views

nc not waiting for server disconnect on OS X

How to make nc client on OS X Mavericks keep socket open and read data until server disconnects the socket? I want to send data to a server through nc and then use the response. Problem is that nc ...
1
vote
1answer
449 views

Create bootable hfs+ partition for macbook

I've installed Debian testing on a Macbook Pro (mid 2014) without keeping OS X on the internal SSD. I've used the following GPT partition layout: HFS+ EFI on /boot/efi BTRFS on / SWAP on swap I've ...
0
votes
1answer
808 views

unable to open X server with ImageMagick Mac osx

I am trying to display an image using the following: Display someimage.jpeg It returns this: display: unable to open X server `' @ error/display.c/DisplayImageCommand/426. I have been looking at ...
0
votes
0answers
164 views

Activate iSight in Linux Mint Qiana on a Virtual Machine

I'm trying to get the built-in iSight cam of my MacBook Pro 5,1 (running OS X 10.5.8 ) to run under the just-downloaded Linux Mint Qiana edition, which I have installed in Virtual Box (v.4.1.18, for ...
1
vote
1answer
334 views

How do I force move something when sudo mv -f doesn't work?

I need to move a 16 GB folder to my external drive, but moving it manually gives me an in use error. I have tried to start in safe mode and moved it but it was still in use. I have run these commands ...
0
votes
1answer
18 views

“screen” process closes out of the blue [closed]

I spawned 4 screen processes with the following command (one after the other): screen ./"executeable" Logging back into the server I run the program on at a later time only showed 3 processes ...
3
votes
1answer
118 views

Is this a so-called “Hybrid” Mac Partition table, and how can I mount this in Linux?

I would like to better understand what is on this hard disk, and how I can mount it into Linux (specifically Debian GNU/Linux, Stable): It was created on a Powerbook g4 "alu book" with the default ...
-2
votes
1answer
92 views

Why should I get linux? [closed]

Ok so I am student, about to get my degree in computer science. I have been programming for couple of years now on my Macbook pro on OS X and I havent had any problems. On the other hand, everyone ...
1
vote
0answers
51 views

How can I unveal files on my external hard drive?

I copied a big folder (around 110 GB) from my (Mac 10.7.5) computer onto a hard drive (exFAT). It took quite some time and afterwards I even checked that the files were actually there. After more ...
0
votes
1answer
37 views

Where should xt.vim be put on osX?

Cracking xDebug open, finally and looking to add the vim formatting file from xDebug.org. It says to "copy" the file to ~/.vim/syntax. But such a directory doesn't exist on osx 10.6. I don't see ...
2
votes
2answers
489 views

Is there a way to get “top” to run exactly once and exit?

I find the output of the shell command top to be a simple and familiar way to get a rough idea of the health of a machine. I'd like to serve top's output (or something very similar to it) from a tiny ...
0
votes
0answers
157 views

X11 Path Issues and Confusion for Installed Packages

I am using GMT (generic mapping tools) and SAC (Seismic Analysis Code), and each use X11 (or XQuartz on 10.9.4 Mavericks) to display graphics. When I want to display postscript using ghostview, I get ...
0
votes
1answer
959 views

Writing a Bash script to run and end at specific times

I'd like to create a script that will do the following. Start at a given time during the day and end at another given time. So for example, I have a program I'd like to test, so my script would be ...
1
vote
0answers
32 views

Resizing terminal splits

I'm trying to find a way to manipulate my terminal splits In my .vimrc I have set width=78 When I have vertical splits and change back and forth the active split is at least 78 chars. It squishes any ...
8
votes
3answers
8k views

Creating a Bash script that will execute a program and if it exits without crashing, will run it again

I'd like to know the easiest way of creating a bash script that will run an app in MacOSX (it's a UNIX based system so I assumed this was the right place). wait for the program to exit. If the exit ...
7
votes
2answers
389 views

Bash inside Vim not working properly

In MacVim I'm using Conque to run bash commands inside Vim. I have a problem with the text navigation while using Conque. If I'm at the end of a line of text and press down Alt← I skip a word to the ...