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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How can I remove Ubuntu from reFind on my Mac?

I used to have Ubuntu installed dual boot on my Mac but have removed it since. The hard disk has been repartitioned into a single Mac OS X partition. However, reFind still shows Ubuntu as one of the ...
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1answer
106 views

Cross compiling ARM static lib with GCC for Mac iOS xCode projects

I'm cross compiling ARM targeted toy example static lib for the usage in Mac iOS xCode projects. In the lib there are only 2 files atoy.c and atoy.h with simple function taking 2 int arguments and ...
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1answer
169 views

Why can wine run 64bit programs on Linux but not on Mac?

I read about a developer saying it doesn't work, "and probably never will". Why is this? The two OSes aren't that radically different, I think.
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2answers
52 views

Script usually works, but not with cron

I have a script that looks like this: #!/bin/bash D=~/brew\ update num=$(ls "$D" | cut -d ' ' -f 2 | sort -nr | head -1) num=$(( num + 1 )) script -q "$D/brew_update $num" brew update This ...
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0answers
34 views

OS X admin cannot access user directories or unlock file

This problem is occurring in OS X 10.11.1, but I think the issues pertain to *nix generally. I d/l and installed an app as a limited user (authenticating as an admin when asked). It's not doing what ...
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2answers
57 views

“Command not found” for no reason, even when it doesn't try to run a command

This is the errors I get when I try to run my script ~bin/killp: line 7: [[ menubar: command not found ~bin/killp: line 11: [[ menubar: command not found ~bin/killp: line 11:  [[: command not found ...
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1answer
38 views

cron doesn't do anything

I tried making some crontabs, I created a file called brewupdater in my user folder, containing 0 */5 * * * ~/bin/brewupdate2. I then tried to run cron ~/brewupdater but it told me: cron: can't open ...
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1answer
47 views

Why mac os x does not set uid bit for /usr/bin/passwd

A lot of books state that examples of setuid bit usages include passwd, at etc. But in mac os x el capitan, the /usr/bin/passwd does not have the bit set. How could it change the /etc/passwd file?
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37 views

Revisiting and learning UNIX [closed]

To get back up to speed on best practices, which UNIX learning resources does the community recommend (slide decks, good videos series, interactive serious games, online virtual learning environments) ...
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1answer
275 views

Trying to connect to an SSH server on one machine and it works fine. Not on the other [closed]

~$ ssh -v raina@45.79.8.241 OpenSSH_6.9p1, LibreSSL 2.1.7 debug1: Reading configuration data /etc/ssh/ssh_config debug1: /etc/ssh/ssh_config line 21: Applying options for * debug1: /etc/ssh/ssh_config ...
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0answers
9 views

How do I make changes in winetricks permanent?

I downloaded a game powered by wineskin X11, it requires videomemory of at least 1GB winetricks works great, but each time I will have to open the dialog, modify it and run the game. Any ideas? I ...
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1answer
34 views

Scripting Question

I'm trying to write a simple shell script for OS X 10.10, to install a list of applications for new Macs we're getting in. I just want to fire off each installer one at a time to install each ...
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3answers
49 views

Ignore certain characters when comparing variables?

For example, If this is my script: if [[ $yesno == "What's going on" ]]; then Then how do I make it Ignore ', ?, , and . for example? So basically Whats going on, What's going on, What's going on? ...
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1answer
131 views

Formatting USB stick with fdisk - negative used space?

I formatted a USB drive using fdisk, and created three partitions. Everything seems to work fine, but Disk Utility is showing a negative amount of used space for all partitions: Partition | Capacity ...
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2answers
25 views

seq -w equivalent in os-x bash

I have sub-folders named 00 01 02, ... n with each foldername containing at least 2 digits. I need to access these sub-folders in os-x terminal. The command for i in $(seq -w 00 06); do echo $i; done ...
3
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1answer
36 views

ssh port forwarding through pseudo terminal

Here's a situation: I do all my work on a Mac. There's a certain linux server 'server01' that provides access to another linux server 'server02' via a pseudo terminal So, to ssh into ...
2
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0answers
25 views

Switch to a specified WiFi network via bash on a Mac

I try to connect to a specific WiFi network in a bash script on a Mac. Two things I want to achieve: Connect to the specified network. I have tried networksetup -setairportnetwork en0 [network_ID], ...
1
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1answer
60 views

how can I stop multiline commands from messing up my cursor position when scrolling through history?

Related: Why is my bash prompt getting bugged when I browse the history? History looks like: 1831 git remote -v 1832 gs 1833 gd 1834 gc -am 'moved apsum options etc to their own file set ...
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2answers
52 views

Unzipping file with exclamation mark from command line in bash script

I'm trying to do a simple script that unzips a zip file which has an exclamation mark in its name: #!/bin/bash UNZIP='/usr/bin/unzip' CUT="/usr/bin/cut" GREP="/usr/bin/grep" FILENAME="test" ...
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0answers
53 views

iowait monitoring in top on OSX/iMac

I'm trying to monitor the performance of a process on OSX 10 (iMac), specifically whether I/O is currently a bottleneck or not. I don't use the machine, hence I need something simple that the user can ...
2
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0answers
96 views

How to change to a different user after SFTP login

The goal: Use local IDE (IntelliJ PHPStorm 9) to browse & edit remote files via SSH The obstacle: My user on the remote machine does not have permissions to read files, which are owned by ...
1
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1answer
70 views

Debian Jessie Nvidia proprietary drivers and screen brightness buttons

How do you make Mac OS X screen brightness work when using Debian Jessie 8 and Nvidia proprietary drivers? There are a lot of answers floating around about editing the config file adding some options ...
1
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1answer
15 views

Changes of Terminal look don't work anymore

I got a mac laptop and have been using a home directory which is not under my name. After spending some time, I have set preferences and of course one day, I needed to change the home directory name ...
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0answers
35 views

Help Installing Debian on Mac Mini Late 2012

I have tried to install Debian Linux on my Mac Mini Late 2012. I first installed rEFIt, then I've created a USB Stick with Debian using uNetBootIn and selecting Stable_NetInstall_x64. Then I booted it ...
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0answers
31 views

Booting full Linux Mint off USB on Intel Macbook pro?

I almost never post questions online but this time I couldn't find a solution to my problem. My problem is that I'm trying to boot full Linux Mint from a USB on a Macbook Pro. I was already successful ...
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0answers
53 views

Tried to change the name of my home folder on Mac OS X and f'ed up

I'm on OS X 10.10.5 I tried to change the name of my home folder and account using the instructions here. I followed them to the "T". I made a temporary admin account to make the change from called ...
3
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1answer
46 views

OS X: Can `ls` show broken symlinks?

When in Linux, I enjoy having \ls -l --color=auto show broken symlinks with red text for the name of the symlink and blinking text for the missing linkee. But in OS X, \ls -lG (the closest thing I ...
2
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1answer
39 views

Accessing Time Capsule Drive from SSH?

I have an Apple Airport Extreme Time Capsule. I'd like to use it to store information for data mining operations. I've set up OS X server, and set up user accounts such that users can log into a Mac ...
11
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5answers
677 views

Test if File was Modified After Date in File Name

I have a files named with YYYYMMDD in the file name, such as file-name-20151002.txt I want to determine if this file was modified after 2015-10-02. Notes: I can do this by looking at the output ...
2
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1answer
76 views

UTF-8 not working over SSH

I have configured my terminal on OSX to show emoji properly. When I open up a terminal I can type and see emoji properly. My locale settings for OSX are shown below. When I start a tmux session it ...
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0answers
52 views

How to share my internet connection with a Raspberry Pi? [closed]

I connected my Raspberry Pi, that runs Arch Linux, to my Mac with an ethernet cable using this tutorial. I set the ip of the Raspberry Pi in the cmdline.txt file to 192.254.0.2. My Mac automatically ...
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1answer
153 views

How to setup Mac OS X Terminal on bash and iTerm2 on zsh

I attempted to setup bash shell by default on Mac OS X (Yosemite) Terminal app and zsh shell by default on iTerm2 app. However, it is either bash shell or zsh shell for both the apps. $ chsh -s ...
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0answers
23 views

customer display on headless server / POS system / Mac OSX

I have a web based POS system running (AMP), formerly on debian, now switched to OSX due to lacking linux printer drivers. The Mac mini is running headless, no keyboard, no mouse, no (normal) monitor. ...
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0answers
16 views

Anybody ever seen a file called .x64HG0B+VC on a Mac? [closed]

I've been looking at a file called .x64HG0B+VC and was wondering what it was...anybody have an answer?
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0answers
44 views

Scripting Assistance

I'm new to scripting and was hoping someone could point me in the right direction on figuring this out, any help would be appreciated. I need to create folders and symlinks in a second set of ...
1
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0answers
47 views

Upgrade OSX (Macbook Pro) when it has a Debian dualboot

On my Macbook Pro, I have a Debian/OSX dualboot, the partition looks like the following on OSX: bash-3.2$ diskutil list /dev/disk0 #: TYPE NAME SIZE ...
0
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1answer
56 views

how can I create two files with same name with different case in mac osx

I can't create two files with same name with different cases in a folder. as an example if file names are like below. test.java and Test.java. warning message appear that saying The name “Test” ...
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1answer
24 views

How can I get just the enum names from a Java file?

Enum files in java can get messy in structure, I'm trying to get Just the Enum names ... import com.mckesson.dex.model.activityLog.concreteFactory.ModifiedPropertyYesNoFactory; public enum ...
2
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0answers
104 views

tmux causing bold fonts in vim

I have installed tmux with vim, using the solarized colorscheme and airline plugin. All is good until I start tmux, where all the font turns bold and the airline status bar is looking weird. I have ...
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2answers
41 views

Is there a portable way to extract part of formatted text?

I have a program (specifically node --version) that outputs text in the form v<major>.<minor>.<patch>, where <major>, <minor> and <patch> are all numbers. I would ...
0
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0answers
28 views

kali's airmon-ng doesn't list out existing interfaces on mac

I am using Kali Linux on my mac inside of parallel desktop. When I type airmon-ng no interface gets listed. May be I am missing the right drivers for kali. How would I fix this?
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2answers
44 views

How to backup the data of my Linux system if I want to retrieve it in other operating systems?

I am a basic Linux user and would like to backup my data (my home directory to be precise) in an external hard drive (EHD), but would like to be able to retrieve this data in other operating systems ...
0
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1answer
50 views

How to disable or delete guest user account, from my MacBook Pro

In "Users and Groups", I see a "Guest User" listed there, as "Login only". However I do not want this user account. When I try to uncheck the "Allow guests to login this computer" for this user, I ...
2
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4answers
74 views

Copy files to new directory only if name of file is in an array

I'm not much of a zsh buff but I imagine this should be an easy layup for someone: I can bulk copy files from sourcedir to targetdir with the following: $ find sourcedir -type f -exec cp {} ...
2
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1answer
65 views

Unix ffmpeg Shell Script merge .aif and .mp4

I need a script that merges multiple files (.aif and .mp4) in the same folder with the same name to a new folder called [original_name]_new.mp4 Code: #!/usr/bin/env bash -e function combine(){ ...
1
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1answer
26 views

Reset Bash's memory used for auto-complete

After renaming a file to a similar name, I noticed TAB was still completing the old filename (if it matched the letters so far) and not showing the new one. No matter how many letters I typed, it ...
3
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2answers
25 views

How to set binary installed by package manager as default?

I installed a newer version of tcpdump via MacPorts and would like to make it the default binary. $ which -a tcpdump /usr/sbin/tcpdump /opt/local/sbin/tcpdump For now I set an alias, but that of ...
2
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2answers
85 views

Unix, Mac OS and Linux?

I am working to learn more about unix and linux for a project. I noticed that Unix is the parent system of Mac OS and also of linux. Are the two similar in scope of C based programming? And how ...
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3answers
47 views

Echo filtered numbers within a for loop and with an if statement

Desired output: all numbers greater than 5. One of few attempts: for i in {1..10}; do if ["$i" > 5]; then echo $i; fi; done But the output is: -bash: [1: command not found -bash: [2: command ...
0
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1answer
41 views

FreeBSD 9.3 and OSX color tags

I am using nas4Free 9.3.2 and FreeBSD 9.3-RELEASE-p22. I noticed after using cp, that my moved files no longer had the color coded labels I had applied in OSX. Share mounted in AFP. To test this, I ...