For a programming language I am comfortable with already, C$25/hour.
For a programming language I am not very comfortable with already, C$30/hour and one week preperation time.
For Linux system administration, C$35/hour.
Definitions
programming languages I am already comfortable with: C, C++, Python, Java, HTML/CSS/JS.
programming languages I am not very comofrtable with: Rust, Node.js, Go.
Linux system administration: Partition disks, install and configure services, automate tasks, secure access to devices—all via the command line interface (CLI).