Mac OSX tips

list open ports
lsof -i -P | grep -i "listen"
my .bash_profile
export PATH=/opt/local/bin:/opt/local/sbin:~/bin:$PATH
alias d="ls -lGa"
alias ls="ls -G"
alias um="cd ~/Sites/Ultimaker"
alias untar="tar xvzf "
own /usr/local
chown -R rick /usr/local
convert DDS file to JPG on Mac OSX
busybox (shell & httpd)
dumb AP
diskutil on command line
diskutil list
file info
Folder/File sync tools
  • DeltaWalker
  • Singlemizer (not tested yet)
keyboard repeat rate / speed
defaults write NSGlobalDomain KeyRepeat -int 0

try 0, 1 or 2: the lower the faster

unpack a .pkg file
batch resize images
sips -Z 640 *.jpg
serial communication with screen
screen /dev/[device name] 115200

To quit screen, press CTRL-a, followed by CTRL-k, followed by y.

follow system log
tail -f /private/var/log/system.log
macports / python

To make python 2.7 the default (i.e. the version you get when you run 'python'), please run:

sudo port select --set python python27
mount ssh folders
PVR QuickLook plugin
delete 'bands' files in Time Capsule .sparsebundle folder

Removing your Time Capsule .sparsebundle can take multiple days (or weeks) if you use Finder or Terminal.
The fastest way is by connecting to the TimeCapsule through Windows running in Parallels/VMWare etc and delete it using Windows Explorer (\\ipadress of time capsule). It took 'only' 80 minutes to remove 1.5TB (1.8 million files of 8MB)


een handige tool om snel afbeeldingen te bewerken

alternative to spotlight
get ip address
ipconfig getifaddr en1


ifconfig en1 | grep "inet " | cut -d " " -f2
convert png to ico
convert file.png file.ico
osx keyboard shortcuts
show contents of clipboard
pbpaste | head -n 5
copy text to clipboard
ls | pbcopy
Convert tabs to spaces for the lines in the Clipboard
pbpaste | expand | pbcopy
sorting etc

ls | sort
ls | rev
ls | uniq
ls | uniq -d
ls | uniq -u

eject cd
diskutil eject disk1


drutil tray eject
dig A
disable dashboard
defaults write mcx-disabled -boolean YES
killall Dock
get name of current wifi network
/System/Library/PrivateFrameworks/Apple80211.framework/Versions/A/Resources/airport -I|grep " SSID: "|cut -c 18-


networksetup -getairportnetwork en1
networksetup -getairportnetwork en1 | cut -c 24-
airdrop info
restart Finder
killall Finder
list all network hardware ports
networksetup -listallhardwareports
get info about current wifi point
/System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport --getinfo
scan for wifi points
/System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport -s
symbolic links
ln -s fullpath-source-www /Users/rick/Sites/8
show display settings


QuickLook / Quick Preview / Syntax Highlighting / Color Code

Download QLColorCode. Create folder ~/Library/QuickLook and copy QLColorCode.qlgenerator to that folder.

dmg create command line
usb device info
system_profiler SPUSBDataType
network utilities
  • From the Applications folder, open the Utilities folder, and then open the Network Utility application.
  • In the Network Utility window, click the Ping tab.
broadcast ping
ping -i 5 -c 2
using arp to find mac address
arp -a
fping range
sudo fping -s -g -r 1
fping -ag
websharing is removed from Mountain Lion Preferences but still usable
sudo apachectl start
Repeatable crash of Time Capsule wifi
Mac OSX Driver for Sweex Graphics Tablet USB TA006
serial terminal app
stop cups
sudo launchctl stop org.cups.cupsd
40 lion tips
write disk image to sd card
diskutil list
diskutil unmountDisk /dev/disk3
dd if=debian6-19-04-2012.img of=/dev/disk3 bs=1m

(…additional “bs” parameter to “1m”? This parameter is used to set both the input and output block size for the copy)

jhbuild bootstrap --ignore-system

geen idee wat het doet maar het doet iets.

network dump

only loopback traffic: tcpdump -i lo0 -vv
en0 ethernet, en1 wifi


- er is standaard een tftp client geinstalleerd
- een prima tftp server is TftpServer

Some dynamic linker tools that will come in handy
otool -L
libtool otool is an alternative for linux' 'ldd'

List files in library
ar -t libctest.a
Tijdelijk een header search path toevoegen via CFLAGS

export CFLAGS=”-i /usr/local/include/libusb-1.0” </code>

disable OSX Lion remember open documents

see this or this

for Preview, Quicktime and XCode:

defaults write NSQuitAlwaysKeepsWindows -bool false
defaults write NSQuitAlwaysKeepsWindows -bool false
defaults write NSQuitAlwaysKeepsWindows -bool false

this file contains the search paths

goto home dir

instead of cd ~ you can just type cd

move mouse with code
CGPoint pt;
pt.x = x;
pt.y = y;
CGEventRef mouseDownEv = CGEventCreateMouseEvent (NULL,kCGEventMouseMoved,pt,kCGMouseButtonLeft);
CGEventPost(kCGHIDEventTap, mouseDownEv);
spoof your MAC address
sudo ifconfig en1 ether aa:bb:cc:dd:ee:ff

to check the result type:

ifconfig en1 | grep ether

for Lion you might need to change ether into Wi-Fi.
When you reboot your computer the original address is restored.

escape character in tenet on osx
Escape character is '^]'

which means Ctrl+]

hosts file
sudo nano -w /etc/hosts
sudo dscacheutil -cachedump -entries Host
dscacheutil -flushcache
stty can you run stty -a < /dev/tty.usbserial-A800eIUj while you have the serial port working on the Arduino IDE? That would give you the settings to use.

stty -f /dev/tty.PL2303-00001004 19200


otool -L libopenFrameworks.dylib

automatisch opstarten

nog uitzoeken: launchd en lingon

launch application by keyboard shortcut

swap alt+windows key on external keyboard

searching in files recursively

grep -ir "texttofind" *

using the find command on the command line

find . | grep -i ".cpp"

use grep to search output of a program

git diff | grep 'piano'

compile a simple glut program written in c on mac

g++ -Wall -O3 -g -framework OpenGL -framework GLUT bezmesh.c -o bezmesh

Don't forget to include OpenGL and GLUT like this:

#ifdef __APPLE__
#include <OpenGL/OpenGL.h>
#include <GLUT/glut.h>
#include <GL/glut.h>

Enable colors in the terminal's ls command

or type ls -G or put the following in your ~/.profile file for a permanent solution.

export CLICOLOR=1

Show hidden files/folders

defaults write AppleShowAllFiles TRUE

(and reload Finder)

Change screenshots folder

defaults write location /Users/rick/Desktop/screenshots


SizeUp allows you to quickly position a window to fill exactly half the screen (splitscreen), a quarter of the screen (quadrant), full screen, or centered via the menu bar or configurable system-wide shortcuts (hotkeys). Similar to “tiled windows” functionality available on other operating systems.


Install Visor to have a system-wide terminal on a hot-key.

Rotate an image

sips input.jpg -r 90 --out output.jpg

convert an image

sips -s format jpeg 4.gif --out 4.jpg

chmod recursive write access

chmod -R 777 data


on osx 10.9 I had to rename .profile to . bash_profile

alias dir="ls -lGa"
alias tocaf="afconvert -f caff -d LEI16"
alias cdd="cd ~/Desktop"

ffmpeg for converting movie to iPad

see ffmpeg

combine pdf's on mac osx (with pdftk)

sudo port install pdftk
pdftk 1.pdf 2.pdf 3.pdf cat output 123.pdf

homebrew (brew)

An alternative for macports


Wireshark is a tool to analyze network traffic


installed by default.

hexdump filename

sneltoetsen in nano console editor

zie nano

gmail berichten sturen via command line in osx

See this page: link I managed to send an email but it's not working completely yet.

terminal / iTerm2

  • Cmd+[ ] move between panels
  • Cmd+D new panel
  • Cmd+W close panel
  • ^A naar begin regel

Handige app om GCODES mee te bekijken in 3D


synergys --config synergy.conf


section: screens
section: links
        right = User-PC
        left = rick.local