Check whether a host responds
Send four ICMP echo requests and show latency and packet loss.
ping -c 4 <host>Network Commands
Check connectivity, DNS, ports, routes, HTTP, TLS, and packet flow.
Example commands
Resolve a hostname
Return a compact list of addresses for a hostname.
dig +short <hostname>Inspect HTTP response headers
Request response headers without downloading the response body.
curl -I <url>Show local network addresses
List interfaces, state, and assigned addresses in a compact format.
ip -brief addressSearch and copy controls need JavaScript. The command examples above remain readable without it.