Open Source Cheat Sheets

Linux cron cheat sheet

The cron system is a form of automation that puts something on a schedule. That "something" could be many different things. You can make your computer do what you want it to…

Linux wget cheat sheet

The wget command downloads files from the Internet. Unlike downloading files from a graphical window in your web browser, this Linux utility is designed to be non-interactive…

Linux logrotate cheat sheet

The logrotate utility is excellent at managing logs. It rotates, compresses, and mails system logs. This cheat sheet contains configuration options and a handy example. Keep…

YAML cheat sheet

YAML is a simple but robust data serialization language. It achieves high flexibility with just two data structures: sequences (a list) and mappings (key and value pairs). If…

Watch command cheat sheet

Use the watch command to let you know when a task has been completed or a command has been executed. It's useful for many ad-hoc system administration tasks where you need to…