Since OS X 10.10 we have to use Launchd to start jenkins as a user agent!

See subdir 'launchd' for related plist and scripts.

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Previous:

mac has a feature called "security context" which causes the node to fail resolving domains after a while.
see e.g: http://osdir.com/ml/unix-porting/2010-05/msg00000.html

symptoms:
 - works as long the console which invoked the script is up
 - works until process goes in background

possible workarounds:
 - invoke as: /usr/libexec/StartupItemContext ./script.sh
 - run as root
 - run with launchd

(i tried the first option... lets see if it works)

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Java 6 for 32bit and 64bit builds on OSX 10.10: JavaForOSX2014-001.dmg
    <https://support.apple.com/kb/DL1572?locale=en_US>

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Printer to file:

As root:
   cupsctl FileDevice=Yes
   Enable 'FileDevice' in /private/etc/cups/cups-files.conf
   killall -HUP cupsd
   mkdir /data/lp
   chown USER /data/lp
   chmod ugo+rwx /data/lp
   lpadmin -p lprint -E -v file:/data/lp/out.ps -P /Library/Printers/PPDs/Contents/Resources/HP\ LaserJet\ 4\ Plus.gz