In this industry, everyone seems to talk about innovation, but very few platforms exist which foster innovation. More times than not, “innovation” is simply a buzzword used by some marketing campaign to hawk something about as novel as twenty-year-old accounting software.
Part 1 of this series spells out how to install and run
This script is taken from Quick and Dirty way to ensure only one instance of a shell script is running at a time
For example, this can be used to ensure SAGE Mirroring rsync run once.