fail2ban-client:tldr:56ef3
fail2ban-client: Verify fail2ban server is alive.
$ fail2ban-client ping
try on your machine
The command "fail2ban-client ping" is used to check the availability or responsiveness of the Fail2Ban service.
Fail2Ban is an open-source software that provides a way to protect computer systems from various types of attacks by monitoring log files for suspicious activity and temporarily blocking the IP addresses associated with those activities.
The "ping" command sends a request to Fail2Ban and waits for a response. If Fail2Ban is properly running and responsive, it will return a response confirming its availability. This command is commonly used for troubleshooting purposes to ensure that Fail2Ban is functioning as expected.
This explanation was created by an AI. In most cases those are correct. But please always be careful and
never run a command you are not sure if it is safe.