Linux and UNIX based operating systems have had all the basic ingredients for relatively painless automation built in for ages. You can make it do anything at any time, by any schedule or any trigger. Your wish is its command!
These basic ingredients are shell scripting in bash, a few key configuration files, and cron. Add to that various utilities that allow you to set up custom keyboard shortcuts or mouse triggers and you’re ready to make it sing to your tune!
www.nuxified.org/article/linux-automation-and-scripting-guide/