• Aug 22, 2025 centos commands cheat sheet . `uname -r` — Kernel version `uname -a` — All kernel information, including hostname and architecture hostname Shows or sets the system hostname. `hostname` — Display current hostname `hostnamectl` — View and edit hostname and other system info uptime Shows how long By Tara Nienow
• Nov 9, 2025 centos 6 essentials n CentOS 6? Ensure the SSH daemon is installed (usually by default), start the service with 'service sshd start', enable it at boot with 'chkconfig sshd on', and verify port 22 is open in the firewall. What are the common securit By Rolando Hammes
