Leopard is the code name for Mac OS X version 10.5, released on 2007-10-26.


Desired Effect What To Do
Enable Time Machine on unsupported network volumes sudo defaults write com.apple.systempreferences TMShowUnsupportedNetworkVolumes 1
Enable folder content previews defaults write com.apple.finder QLEnableXRayFolders 1
Disable WINS registration sudo defaults write /Library/Preferences/SystemConfiguration/com.apple.smb.server RegisterWINSName -bool false
Mount ISO partition in hybrid discs Fool around with hdiutil attach foo.dmg -nomount and /System/Library/Filesystems/cd9660.fs/cd9660.util -m disk3 /Volumes/ISO9660
Convert PNG to JPEG and resample sips -s format jpeg -Z 510 in.png --out out.jpg
Take a decent screenshot without a drop shadow screencapture -io
Flush the DNS cache dscacheutil -flushcache
Easily move windows to different Spaces Click and hold, then use the keyboard to change workspace
Invoke Quick Look from a script qlmanage -p “$” >& /dev/null &@
Invoke Software Update via SSH sudo softwareupdate -i -a
Make the menu bar solid sudo defaults write /System/Library/LaunchDaemons/com.apple.WindowServer 'EnvironmentVariables' -dict 'CI_NO_BACKGROUND_IMAGE' 0.62
Add default SSH key to keychain ssh-add -K


Date Link Notes
Feb 28 Python on OSX 10.5 Leopard Same issue, more analysis.
Dec 16 Fixing the Leopard install of Python Apparently the built-in Python has some snafus.
Older Security Configuration Guide A detailed PDF document


Date Link Notes
Nov 10 Mac OS X 10.5: About the Application Firewall Apple’s technical note on the new firewall logic
Oct 28 Mac OS X 10.5 Leopard: the Ars Technica review John Siracusa writes the cardinal review, as always.
Oct 25 Leopard: Faster, Easier than Vista Walt Mossberg’s review, also here
Oct 25 In Depth: Apple’s Leopard leaps to new heights Includes an image gallery
Oct 25 User Notes: Mac OS X Leopard Newsweek video review
Oct 25 Apple Offers New Goodies in Leopard System David Pogue weighs in
Oct 25 Leopard, Apple’s new Mac operating system, hits all the right spots USA Today
Oct 25 Apple’s New Operating System Technology Review