Linux - Synchronise 2 Directories
From PiRho Knowledgebase
rsync -avu --delete "/home/user/A/" "/home/user/B"
- -a archive mode; equals -rlptgoD (no -H, -A, -X)
- -v run verbosely
- -u only copy files with a newer modification time (or size difference if the times are equal)
- --delete delete the files in target folder that do not exist in the source
Reference: Stack Exchange: How to sync two folders with command line tools?