If you need to prevent your machine from sleeping for a while (like if you've got something running that you really don't want interrupted) there's always caffe

If you need to prevent your machine from sleeping for a while (like if you've got something running that you really don't want interrupted) there's always caffeinate -t $NUMBER_OF_SECONDS[1] 1: https://developer.apple.com/library/mac/documentation/Darwin/Reference/ManPages/man8/caffeinate.8.html https://developer.apple.com/library/mac/documentation/Darwin... I haven't experimented with using it to try and keep a machine running with the lid closed, however - that's traditionally considered risky for heat reasons.