Provided by: ssh-tools_1.7-2_all 

NAME
ssh-ping - check if host is reachable using ssh_config
DESCRIPTION
Usage: ssh-ping [OPTIONS] [user@]hostname
OPTIONS:
-4 Use IPv4 only
-6 Use IPv6 only
-c count
Stop after sending <count> request packets
-C Connect as soon as the host responds and try reconnecting after a SSH session ends (e.g.
rebooting). Useful also for IDRAC, IPMI, ILO devices, Switches, etc... which don't have a full
shell environment. CTRL+C stops reconnect attempts.
-F configfile
Specifies an alternative per-user configuration file. If a configuration file is given on the
command line, the system-wide configuration file ( /etc/ssh/ssh_config ) will be ignored. The
default for the per-user configuration file is ~/.ssh/config.
-h Show this message
-i interval
Wait <interval> seconds between sending each request. The default is 1 second.
-l user
Try login with <user> as username. The default is the current value of $USER.
-D Print timestamp (unix time + microseconds as in gettimeofday) before each line
-H Print timestamp (human readable) before each line
-W timeout
Time to wait for a response, in seconds
-p port
Port to connect to on the remote host. This can be specified on a per-host basis in the
configuration file.
-q Quiet output. Nothing is displayed except the summary lines at startup time and when finished
-n No colors. (e.g. for black on white terminals)
-v Verbose output
ENVIRONMENT_VARIABLES:
SSH_PING_NO_COLORS
if set, no colors are shown (like -n)
Example:
SSH_PING_NO_COLORS=true ssh-ping -c 1 hostname
EXIT_CODES:
0 No requests lost
1 More than 1 request lost
2 All requests lost
Example:
ssh-ping -q -c 1 hostname >/dev/null || ...
SSH-TOOLS November 2021 SSH-PING(1)