Use the same framework for all hosts, and run per-host scripts where needed.
Archive of posts filed under the shell category.
A framework for BackupPC‘s pre/post scripts
Detecting empty files in awk
It's not straightforward, but it can be done.
(Semi-)Automated ~/.ssh/config management
Shorten your ssh commands, but in a kludgy way.
Remote-to-remote data copy
Ever wanted to do this?
Three text processing tasks
Unlikely to help someone, but anyway.