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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Repair/fix HFS+ partition (“Invalid B-tree node size”)

salam I need help with a 800GB partition. I accidentally deleted my partition with diskutility, but it says something like "Error that disk in not good". I already tried Testdisk; it finds my ...
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30 views

can I boot ext4 usb stick with xubuntu on from a Mac laptop?

is there a way to boot my ext4 formatted "xubuntu" USB memory stick from a Mac laptop? The laptop can identify FAT32 usb memory sticks with ubuntu at boot time, but it cannot identify mine, which is ...
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36 views

Using brew: curl version error, “Incompatible library version” for libcurl.4.dylib

I used to have a working version of homebrew but then something broke today related to curl and libcurl.4.dylib— possibly a version or file location issue. I'm on Mac OS X 10.9.5 (Mavericks). For ...
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45 views

connecting to virtualbox ubuntu from osx extremly slow

I am running ubuntu 10.04.x as guest on virtualbox from osx x 10.10.x host It works (kind of), but after working a while with it and also after power sleep it can get almost unusable slow. It looks ...
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1answer
21 views

printenv.wsf and printenv.vbs in /Library/WebServer/CGI-Executables

Please don't shoot this one down, as I looked through my Macbook Air and wanted to configure my Apache installation to more specific needs, I came across printenv.wsf and printenv.vbs, which I find ...
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48 views

Swap OS X Command/Control keys without changing bash shortcuts

I originally asked this on Ask Different, but I think since my issue is probably more with bash this would be a more appropriate site. First of all, I know that you can use the System Preferences to ...
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39 views

csvkit Permission denied

I am on Mac and installed csvkit. When I run csvlook, I get a traceback with the following error message: IOError: [Errno 13] Permission denied: '/Library ...
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61 views

Process Being Killed due to low swap

I'm running a python (2.7) script on mac osx yosemite. The script is fairly computationally intensive, certainly bumping up against my machine's RAM limitations. The computer crashes and restarts ...
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56 views

Running Mac OS X under KVM/QEMU

Note to be removed in the future, so as to avoid confusion from answerers and mods edit: Forgot to add in the note, if anyone thinks this is the wrong stack-site to post this, please comment on why, ...
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1answer
37 views

Sed a plist file gives a iilegal byte sequence

With a Unix Mac 10.9.5, French CA version I've read a lot of tips but if the error is gone, the plist is corrupted. the locale command gives: LANG="fr_CA" LC_COLLATE="fr_CA" LC_CTYPE="fr_CA.UTF-8" ...
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90 views

Sharing folders between VMWare 7.1.1 and Mac OS X using open-vm-tools

I didn't have any luck sharing my OS X 'Downloads' folder with a Fedora guest Linux OS using the VMWare tools (see my earlier question) . I came across this solution (with 8 up-votes) for Ubuntu that ...
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95 views

Cannot share folders betwen Mac OS X based VMWare 7.1.1 and Guest Fedora 21 system

I would like to share my Mac OSX 'Downloads' folder. I set this up as a shared folder in vmware settings. Currently, although I made a folder at mnt/hgfs/Downloads, it does not have the contents of ...
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1answer
26 views

Multi line substitution duplicating across lines in OSX

I'm a little rusty in my sed and haven't used it much since moving to a Mac but I am aware there seems to be a difference with what sed is used on a Mac per Ubuntu after a few searches. What I am ...
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18 views

OS X USB installer utilities, cannot ssh any host

I booted my mac from a OS X USB key installer. I cannot boot it from the internal HD because OS is damaged. I want to copy some files from my Mac to another computer with scp. The problem is that ...
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254 views

Increasing `ulimit -u` settings temporarily in OSX Yosemite

I'm trying to temporarily (without restarting the machine, just for test that starts a JVM) increase the number of processes to 2048 in OSX Yosemite but I'm unable to do so. First, I tried calling ...
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46 views

How to create multi-bootable OS from USB drive in Mac OS X

While Googling and tried with some instruction from many website introduction including Youtube and also been get through this article http://apple.stackexchange.com/q/130221/116741 but still can't do ...
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76 views

How do I start dnsmasq?

I have installed dnsmasq but I can't start it: $ dnsmasq dnsmasq: failed to create listening socket for 10.0.1.57: Permission denied $ sudo dnsmasq dnsmasq: failed to create listening socket for ...
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117 views

Dual Booting Macbook pro mid-2009 with Ubuntu and OS X Yosemite

Machine - Macbook Pro 15" Mid-2009 Hi, I am trying to triple boot my system with: 1. OS X Yosemite. 2. Ubuntu 14.04 LTS 3. Windows 8.1 For now I am trying to install linux first and then I plan to ...
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1answer
89 views

How to turn on tab completion in zsh/prezto?

I have installed prezto and trying out zsh. However tab completion is not on by default. What is the best way to enable tab completion in prezto?
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1answer
1k views

Running Java classes in a package --> Error: Could not find or load main class

I'm learning how to compile and run java classes in terminal using the commands javac and java. I have no problem compiling and running an individual class, however, when I put that class into a ...
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27 views

Folder keeps vanishing/showing up in finder, terminal says it doesn't exist

Upon a standard find routine I noticed a folder kept returning errors, even tough it didn't contain any of the arguments in the search query. Ilha-VB2-leo:FESTIVAIS_01-16 ilhavb2$ find . -iname ...
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64 views

Can't use Homebrew on OS X Mavericks because of otool error

When I try to use Homebrew, it will give me an error like this: JimBob:~ fast$ brew install wine sh: /usr/bin/otool: Bad CPU type in executable Error: Failure while executing: /usr/bin/otool -L ...
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19 views

pkgsrc package install message

When installing gnupg2 on Mac OS X 10.10.2 using pkgsrc I got a message $ pkgin install gnupg2 ... =========================================================================== The following files ...
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61 views

Can't boot into slackware installer

Can't boot into Slackware installer, I get stuck in this: The last line I see is: mousedev: PS/2 mouse device common for all mice I tried a external Keyboard with Mouse (Cordless but at least ...
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28 views

Mac OS X package installer generation/building on Ubuntu 14.04

I'm implementing a building server for an application that will run on Android, Linux and Mac OS X. I already have in place the scripts for apks and debs generation and I need to do the same for Mac ...
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73 views

httpd -k stop/ start not working OS X

GE-Erics:~ eric$ httpd -k stop AH00548: NameVirtualHost has no effect and will be removed in the next release /private/etc/apache2/extra/httpd-vhosts.conf:19 AH00112: Warning: DocumentRoot ...
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1answer
69 views

How do I mount an SD card?

My SD card will suddenly not automount. It works on another Mac. Can someone provide a solution to mount with Terminal? $ diskutil list /dev/disk2 #: TYPE NAME ...
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1answer
414 views

Problems booting Kali Linux 1.0.9a 64 bit on Macbook Pro

I have a mid 2009 Macbook Pro that I am trying to dual boot OS X and Kali Linux on. I replaced my optic drive with my old HDD and replaced my HDD with an SSD. OS X and my apps are running off of the ...
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18 views

Accessing xfig from x11 fails

I am trying to get access to xfig from x11 on my mac to draw some diagrams and including them in latex, but it shows the following error bash-3.2$ xfig dyld: Library not loaded: ...
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128 views

Why do I get a “preauth required” error when I set “require-preauth = false” in krb5.conf?

On an OS X machine, I'm trying to get a kerb ticket on my organization's kerberos realm. I grabbed a copy of krb5.conf from a Linux machine to make sure my kerberos configuration was correct. I tried ...
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34 views

Why are some processes “killable” by pkill but not killall?

I had over 20 instances of httpd (apache) processes running, so I decided to shutdown these. Normally I use killall, But when I typed killall httpd it just said: No matching processes belonging to ...
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185 views

How to troubleshoot: “X11 connection uses different authentication protocol.”

I start an ssh session with localbox % ssh -vvv -Y remotebox 2>debug_ssh_log ...which succeeds. Then I try to run xlogo on remotebox, but the command fails immediately, and the following lines ...
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1answer
51 views

.bash_history keeps truncating

My .bash_history keeps truncating even though I set: export HISTSIZE= export HISTFILESIZE= On my .bash_profile. Im not sure when it happens but it might happen when I logout or shut down my ...
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1answer
52 views

Software installation trouble with Homebrew

I have previously custom installed Python and Homebrew on my OS X 10.9.5 system. I am now trying to install CMake and I am running into various errors such as: cd: /usr/local/src: No such file or ...
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1answer
46 views

Macbook System Profiler formatted

I want to format the output generated from macbook terminal command system_profiler and transpose the row values to columns under the same Application. Here's a snippet of the file: Firefox: ...
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43 views

MP3s Slow - audio settings in VirtualBox VM

Collection of mp3 files imported to VirtualBox (via binary ftp) from host sound very slow, so assume are playing at wrong bitrate. Checksums match as per /usr/bin/openssl md5 *.mp3 (on OS X) and ...
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1answer
61 views

How do I search for every file with executable permission (+x) in my system? [duplicate]

I need to find every single file that has executable permissions in my system, i think they end with x@. I tried to ls every file and then grepping the output to match files with x@. Like this: ls ...
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41 views

default llvm toolchain issue on Mac

Recently I have been using Mac 10.10; but I find that the compilation toolchain is a bit odd to me. It's known to us that on recent Mac OS versions the default gcc is a faked one that is based on ...
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1answer
23 views

How can I get my Apache server to point to the correct location?

I am trying to point my apache server to use various packages I have in my Eclipse workspace which is not located in the default Apache server directory. So far, no luck, all I get is Not Found error. ...
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41 views

VirtualHost configuration not working

I followed this article, mixed with some other research, in an effort to get VirtualHost configuration up and running on my Mac. However, for some reason when I navigate to my local.site.rocks URL it ...
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275 views

libfreenect2 - libusb -99 error

I need some help, when I am running protonect, the IR blaster go on but no frame is captured. It's some sort of libusb error. Running on Mavericks, with an express card adapter with "Nec µPD720202" ...
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1answer
83 views

Terminal access permission denied, but GUI access okay. Why?

In OS X, as a limited user I used Terminal to su - [admin's name] and tried to move some files that were in the administrator's public drop box directory into /usr/bin. Couldn't do it. Permission ...
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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 ...
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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.
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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. ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...