Prerequisite: must have ssh key authentication configured

1. Create a serverlist.txt file with a line by line list of servers.
2. Create a shell file with the following code(eg. servicechecker.sh:

!/bin/bash

for host in $(cat serverlist.txt); do ssh “$host” “systemctl status isecespd” >”output.$host”; done

3. chmod 755 script-filename
4. ./script-filename