Mac

Mac OSX 10.9

Screen saver

The screen saver is activated and is taking CPU and memory :

$ ps ax | grep -i screensaver | grep -v grep

 612   ??  Us   11479:59.42 /System/Library/Frameworks/ScreenSaver.framework/Versions/A/Resources/ScreenSaverEngine.app/Contents/MacOS/ScreenSaverEngine -loginWindow

You can desctivate it this way in command line :

$ sudo su -l "ci" -c "defaults -currentHost write com.apple.screensaver idleTime 0"

You can check it this way :

$ defaults -currentHost read com.apple.screensaver idleTime

You have to reboot your instance :

$ sudo shutdown -r now

No root user

Mac OSX has no root user, but ci user has been granted.

$ sudo my-command
Password: **ci password**

NTP

Mac OSX ntp is not always up to date. It is advised to use INRIA’s one

$ systemsetup -setnetworktimeserver ntp.inria.fr

Linux

Ubuntu 16.04

No root user

Ubuntu 16.04 has no root user for security reasons, but ci user has been granted. You can do

$ sudo my-command

Password: **ci password**

Windows

Windows 7 x 64

No build directory

Win7x64 has no c:\builds directory