- Update your server to Mac OS X Server v10.6.8.
- Stop the Software Update service if it is running.
- Quit Server Admin if it is active.
- Update /etc/swupd/swupd.plist to begin hosting OS X Lion software updates. (See details below.)
- Update /etc/swupd/swupd.conf to allow OS X Lion computers to receive updates. (See details below.)
- Open Server Admin and start the Software Update service.
- Use the instructions in Mac OS X Server v10.6: Using the Software Update service with multiple Mac OS X client versions to point your OS X Lion clients to this server.
In step 4, you will need root access to update the file /etc/swupd/swupd.plist. To be safe, make a backup copy of the file before editing it. Add the string in bold below to the otherCatalogs array:
Note: You can edit the file using a text or property list editor, or use the single command below to make the change.
sudo /usr/libexec/PlistBuddy -c 'add :otherCatalogs:2 string index-lion-snowleopard-leopard.merged-1.sucatalog' /etc/swupd/swupd.plist
In step 5, you will need root access to update the file /etc/swupd/swupd.conf. To be safe, make a backup copy of the file before editing it. Locate the following line near the end of the file:
Edit the following line to read:
Hosting updates for multiple OS versions requires additional storage space on your server. If you plan to host updates for Mac OS X v10.5, 10.6, and OS X Lion, you should allow 80 to 100 GB of disk space for storing updates.