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)

2
votes
1answer
220 views

Set file creation date to its modification date on OSX

I need to batch edit file creation date (some stupid audio recorder set the file creation date to UNIX epoch and the correct recording date in the modification date) to set it to the files ...
0
votes
0answers
33 views

[Solved]man crashes on OS X after upgrading bash and its manpages

Bash on OS X is always so old that I finally decided to compile a never(4.3.18) one and simply override and replace the old one. Here are the configure flags I used: ./configure --prefix=/ ...
0
votes
0answers
44 views

Why does directory vanish when I do SSHFS? How to setup SSHFS share on Max OSX 10.9?

I'm running Max OSX 10.9.3 and I'm trying to setup an SSHFS file-share between my MacBook Pro and a remote file system. However, when I try to do it, it doesn't work. Strangely enough, it makes the ...
2
votes
2answers
50 views

Is it possible to obtain OS X versions of Unix tools on modern Linux distributions (like Ubuntu or RedHat)?

I have observed that there are often subtle and often annoying differences between the default versions of certain command line tools like paste and sed on modern distributions of Linux versus OSX. ...
1
vote
1answer
792 views

How to change the output color of ls comman in terminal in OS X and iTerm2?

I know that a similar question has been as in: How to colorize output of ls ? Though, I didn't really understand the answer and couldn't really make it work. However, I have tried something ...
0
votes
1answer
167 views

scan and connect to wifi from linux terminal on virtual machine

I am trying to scan wifi networks via Linux terminal running on a virtual machine. I am running virtual machine on Mac OS. On MAC terminal, I can see all Wi-Fi networks using (airport) command and can ...
0
votes
0answers
30 views

How to add entries in GPT/ guid table without booting in is?

I foolishly deleted entries from guid or gpt table while messing up with gdisk utility, As a result no bootable partition shows up on startup ! I'm stuck at blank screen please help ! How shoul I ...
0
votes
1answer
89 views

How to get the same ls with colors working on both OSX and Ubuntu?

When I want color in Ubuntu I do alias ls='ls --color=always' but on OSX this gives an error ls: illegal option -- - and I need to do alias ls ='ls -G' How can I create an alias with the same ...
2
votes
1answer
56 views

OSX/Darwin ACL Format

In OS X, if you want to view the ACL information on a file, you can do so with the -e option of `ls. $ ls -lde app/cache drwxrwxr-x+ 7 alanstorm staff 238 Apr 1 10:02 app/cache 0: user:alanstorm ...
1
vote
2answers
186 views

Limiting access to a website based on IP address when .htaccess is not allowed

I am trying to limit access to a website to a small set of IP addresses. I am a regular user on the Mac OSX web server. My first attempt at limited access was to create an .htaccess order deny,allow ...
2
votes
1answer
58 views

Running a command without ./

I am trying to understand something that might be very simple for a lot of you but is quite puzzling from me as a daily Windows user. I am following the docker installation on Mac OS X. One of the ...
2
votes
0answers
305 views

Add a user for Postgres on Mac

I've had a very difficult time trying to set up a postgres database. I am using Mac OS X 10.9.2. I am using this tutorial: http://tutorials.jumpstartlab.com/topics/environment/environment.html The ...
1
vote
3answers
3k views

Obtain .cer file from .pem file

I have generated RSA private key using below command: openssl genrsa -out privkey.pem 2048 And created a self signed certificate using below command: openssl req -new -x509 -key privkey.pem -out ...
1
vote
1answer
69 views

Using a zsh function in find?

I'm on OS X and have defined a function called finderpackage that tries to determine if a folder is in fact a "package" (also, somewhat erroneously, known as a "bundle") according to the Finder. My ...
0
votes
0answers
77 views

zsh completion doesn't correct ? (question mark) in paths

So, I've been pretty happy with my zsh completion and correction configuration for a while now, with this being a major exception. Configured as I have it, the shell routinely catches and corrects ...
0
votes
1answer
153 views

-bash: pkcs12: command not found

I am trying to export the private key and certificate to p12 file using below command in my mac os X - Mountain Lion: pkcs12 -export -out privkey.pem -inkey privkey.pem -in rsaCert.crt but I am ...
2
votes
1answer
528 views

Mac OSX vs Linux Unix-ness [closed]

So I know that Linux is considered "Unix-like" while OSX is Unix. Why is this? I feel like Linux is much more "Unix-like" than OSX is. What makes OSX more "Unix" than Linux?
1
vote
1answer
46 views

newsyslog for paths with empty spaces

How can I configure newsyslog to trim logs with paths containing empty spaces? I define my paths at /etc/newsyslog.d/frank.conf like this: "/Users/frank/Library/Application ...
10
votes
2answers
951 views

Is it OK to use “.” to run files instead of source - in .bashrc in Ubuntu and OS X?

OK, so source runs the script in the current shell and . separately, as detailed in running script with ". " and with "source " for example, but, specifically, in my .bashrc file, ...
0
votes
1answer
139 views

Using eval and sed to perform counting and script control

Following the original issue described here:- Rip chapters of a DVD to separate files ..would someone help us understand what the following code is doing:- # count Titles, and count Cells per title. ...
0
votes
1answer
220 views

Move Data from Partition to Partition on Same Drive

Moving data from one drive to another is slow. Copying data on a drive to it's self is slow. Moving data from one drive to it's self is fast. If I'm moving data on the SAME drive but a different ...
3
votes
1answer
3k views

How do I start a virtual machine in background upon OSX system start?

I have a virtualbox machine on a OSX 10.9.2 host. I do not want to open VirtualBox everytime and start the machine there. Also, I do not need the the screen output as I will just ssh from OSX terminal ...
1
vote
2answers
47 views

env command shows 3 times same path

When I run env it shows 3 times /usr/bin under PATH. Same for every path under PATH title. For example - my scala bin directory shows 3 times. However, in my .bash_profile, it is written just one ...
-1
votes
1answer
203 views

Why sudo ./bin/mysqld_safe & on Mac OS X 10.6.8 doesn't ask for password?

I get the following permissions from terminal: $ cd /usr/local/mysql $ ls -l drwxr-xr-x 41 root wheel 1394 29 Apr 00:55 bin drwxr-xr-x 4 root wheel 136 29 Apr 00:55 docs ...
1
vote
1answer
68 views

How to fix SSH on OSX?

I have been able to connect to OSX machine using ssh client successfully for hours, but then it stops working and I get connection refused. ps -ax | grep ssh 841 ttys004 0:00.00 grep ssh Using ...
2
votes
2answers
753 views

grep print relative file path when doing a recursive search

I'm trying to find out which version of hibernate the project depends on (this is orthogonal to my question). We have a parent project with several sub projects, and I know this is defined in one or ...
0
votes
0answers
26 views

Networksetup, how do I make an IF loop for error on connection?

I'm attempting to connect to a network in Mac OSX with this command: networksetup -setairportnetwork eno "NETWORK_NAME" and can most often connect to the network. But I need to make an IF loop for ...
1
vote
3answers
173 views

Remove multiline text with special chars from all files in a folder

I have multi-line text with special characters (i.e. //*(): etc) looking like following in multiple files in a folder that I'm trying to remove. Tried all different solutions using sed and awk but ...
2
votes
2answers
90 views

How to format textutil -excludedelements

I use Geektool on the Mac to display various information on my desktop. One feature of Geektoool is the ability to use shell mode to launch custom scripts or commands. I am not versed in any type of ...
2
votes
0answers
430 views

Installing Arch Linux alongside OS X - Bootloader issues

I have installed Arch Linux alongside my OS X install on my MBP 11,1 using the guide found here, however on the last three commands of the boot loader section I get the error /usr/sbin/grub2-probe: ...
1
vote
1answer
85 views

osx server, windows client, running emacs opens it on server not client

I've installed emacsformacosx on my OSX box. I'd like to shove my macmini in a data center and run it headless. I've gotten x-windows working. If I run xeyes, it displays on my Windows 7 client. ...
3
votes
1answer
62 views

Apropos always returns several duplicate matches from whatis

When I run apropos or man -k in bash, it always returns the same item (at least one) twice: Question Why is it doing this; and would it indicate that there's a possible configuration issue with my ...
4
votes
3answers
453 views

Send a specific signal to an external USB keyboard? Or, how do I fix fdopen()?

Some background: I'm trying to make the caps lock light on an external keyboard light up on-command when I run a command from the command line. Ideally it would be scriptable, so that I can use it for ...
2
votes
1answer
165 views

Using setuid Properly

I've been scared too much by the warning about setuid. However I cannot find a way around using it. I want to be able to run: arp -s 198.51.100.1 00:53:00:12:34:56 as the user steven but arp -s ...
0
votes
2answers
57 views

simplest way to get an ubuntu virtual machine w/ ssh server on my network

I have an OSX box and I'd like to just get a fresh install of Ubuntu to use remotely over SSH. That's all. But I'd like to get that on the same box without in anyway altering my existing OSX ...
1
vote
1answer
74 views

how to debug/fix screen crashes on startup

(this is a question in reference to the OS X version of Gnu screen. I don't know if this makes any difference - and I guessed that Unix & Linux would have better screen-fu than Ask Different.) ...
0
votes
0answers
500 views

Failed to download the JMeter CA certificate for HTTPS recording

I am unable to run HTTPS recording in Jmeter. I have used "jmeter_proxy_step_by_step.pdf" for the setup. The Jmeter version is 2.11 and Java jdk7. But I am unable to generate the certificate. The ...
0
votes
1answer
2k views

No xauth data; using fake authentication. Unable to display remote windows

Whenever I try to ssh -X or -Y into a remote Linux server from my Mac (OSX Mavericks) machine, I get the same message: "Warning: No xauth data; using fake authentication data for X11 ...
0
votes
0answers
39 views

How to find the currently running app from terminal on OS X?

I'm writing a shell script runs in the background and monitors user activity. I'd like to be able to capture current application/document if possible. Can I do that? (Cross-posting this from ...
1
vote
1answer
30 views

rsync from Mac ext hd to VPS works but not VPS to Mac

There are no errors with either rsync -a /Volumes/hd/dir_foo foo@foo.com:~/ or rsync -a foo@foo.com:~/dir_foo /Volumes/hd/dir_foo in the first instance the synced folder on remote system CentOs ...
0
votes
4answers
420 views

Mass mv on files and changing filenames [duplicate]

I want to change these filenames download (19).download ... download (27).download to download (19).html ... download (27).html I run unsuccessfully mv *.download *.html usage: mv [-f | -i | ...
0
votes
0answers
75 views

Debian on macbook air not booting

I installed Debian on my macbook air a week ago after first going through the http://www.rodsbooks.com/refind/installing.html#osx installation guide. The installation of Debian worked fine and i ran ...
1
vote
0answers
73 views

ssh-copy-id hangs with 8192-bit key

Having a bit of an issue with ssh-copy-id it seems to hang when i try to copy 8192-bit rsa keys accross to an OpenIndiana server. I running OS X as my client OS. Is anyone aware of issues with keys of ...
1
vote
2answers
168 views

emacs wont let me use a different background color

I've tried different themes in emacs (on mac with xterm set to 256) and everything works great except it's ignoring the theme's background color. Even if I add (set-background-color "red") for example ...
0
votes
1answer
61 views

Is there any command to list all related files and folders to specified file in macosx?

I have many ctags in my macosx. When doing which ctags, it gave me /usr/bin/ctags. But I also want to know where is all related folders and files to this /usr/bin/ctags Any useful command?
4
votes
1answer
192 views

Undocumented pppd exit code

If my machine (OSX 10.9.2) is not connected to the Internet and I want to establish pptp connection by using pppd: $ sudo /usr/sbin/pppd serviceid 5BE14D3A-7B94-4704-ADE0-9883B189199E debug logfile ...
4
votes
2answers
2k views

To grep 20 characters after and before match

I have the problem that I get too much information after the match for grep -RnisI --color=auto "pseudomonas" * I want to get only like 20 characters or 10 words after and before the match. What ...
0
votes
1answer
262 views

I am the owner of a file and I have write access: why can't I save?

I am on OSX 10.9.2 I am locked out of postgres and trying to modify pg_hba.conf to get back in. http://stackoverflow.com/questions/11919275/can-not-enter-and-change-postgresql-pg-hba-conf-file I run ...
0
votes
1answer
117 views

OSX plist editing causes app crash

Does anyone have any idea why Finder (or iBooks or Mail, or Preview BUT NOT Terminal) crashes after adding the following key:value to its plist: LSUIPresentationMode -int 4 (puts the Finder's ...
10
votes
3answers
1k views

Why are interactive shells on OSX login shells by default?

In Linux and, to my knowledge, all Unix systems, terminal emulators run interactive, non-login shells by default. This means that, for bash, the started shell will: When an interactive shell that ...