I am trying to see if a port is opened for a list of hostnames/IP's, and I used a simple script like this one to ssh to each host and capture the output.
for i in `cat $1` do ssh $i "sleep 5 | telnet 188.8.131.52 123" done
This is throwing a "No environment-specific terminal time" error because Telnet is designed to be an interactive tool to interact with a smart terminal.
How can I go around this, knowing that I cannot use
nc command as it's not available on Unix AIX systems?
Please note that some hosts will reply with
Connected to 184.108.40.206. Escape character is ^] and that means there is connectivity while others will freeze at
Trying ... meaning that there is no connection.