Networking

Linux ping command

Send diagnostic echo requests to test network reachability.

Availability: Common Linux commands; shell built-ins and external implementations may differ by distribution.中文

Syntax

ping [OPTION]... DESTINATION

Examples

Send four echo requests to the host.

ping -c 4 example.com

Send three requests through eth0 (if permitted).

ping -I eth0 -c 3 192.0.2.1

Parameters, options and clauses

Option / clause	Description
`-c COUNT`	Stop after sending COUNT requests.
`-i INTERVAL`	Wait INTERVAL seconds between requests.
`-s SIZE`	Set the number of payload bytes.
`-W TIMEOUT`	Wait TIMEOUT seconds for a response.
`-I INTERFACE\|ADDRESS`	Set the outgoing interface or source address.
`-n`	Do not resolve addresses to hostnames.
`-4 / -6`	Use IPv4 or IPv6 only.

Safety note

Review a command and its target before running it. Commands that alter files, services, accounts, disks, permissions or databases may be difficult to reverse. Test in a safe environment and keep backups.

Official reference ↗Back to directory