https://www.linuxtrainingacademy.com/linux-commands-cheat
1 – SYSTEM INFORMATION # Display Linux system information uname -a # Display kernel release information uname -r # Show which version of Red Hat installed cat /etc/redhat-release # Show how long the system has been running + load uptime # Show system host name hostname # Display all local IP addresses of the host. hostname -I # Show system reboot history last …