Image result for happy sysadminOur favorite new command-of-the-day:

run-one (found at Ubuntu’s Manpage – here)

Just made it easier to run a single instance of rsync for one of our routine server-to-server file copy jobs.

Image result for rsync


Simple Folder copy using rsync over ssh

So sometimes you have a folder on one machine that you just need on another one.

We are GREAT FANS of ssh, and we think it’s a perfect secure tunnel for performing such operations.  So the question asked was how do you synchronise /path/to/folder  on the local machine to a remote machine using:

  1. Linux Ubuntu
  2. SSH
  3. A private SSH keyfile
  4. Over a non-standard SSH port

Well, since this linux, it’s actually rather boringly easy:

rsync -r -a -v -e 'ssh -p12345 -i .ssh/rsa-keyfile' /path/to/folder

This copies (if necessarily CREATING) ‘folder’ on the local machine to our remote one.  There are however some very important details.

Do NOT add a training ‘/’ to the paths if you want rsync to automatically create the directories.  So use this:


Not this:


The latter copies the files (and sub-directories) in /path/to/folder, whereas the former copies the folder, its contents and all its sub-directories, and thus creates the directory ‘folder’ at the remote machine if it does not exist.

Happy rsync’ing