SSH tutorials
Step-by-step SSH tutorials for developers and system administrators: install, configure, and secure software on a server you control.
2 tutorials
- 12 min read
How to Generate an SSH Key on Windows, macOS, and Linux
Generate SSH keys with ssh-keygen on Windows 11, macOS, or Linux, or with PuTTYgen, then copy the public key to a server and log in with it in 7 steps.
Read tutorial - 13 min read
How to Upgrade Ubuntu 24.04 to 26.04 LTS on a VPS
Upgrade Ubuntu 24.04 to 26.04 LTS over SSH in 10 steps: back up, install updates, open the port 1022 fallback, run do-release-upgrade, then verify services.
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