NFS or SSHFS or maybe rsync or maybe a simple script that makes a tar gzip, runs scp to transfer and then runs ssh to execute a script on each server to uncompr

NFS or SSHFS or maybe rsync or maybe a simple script that makes a tar gzip, runs scp to transfer and then runs ssh to execute a script on each server to uncompress and restart the program. Or could have a simple agent that polls your server for updates and then downloads and deploys.