Ubuntu port ping

# Use the below command in your terminal
# No requirments are needed
(echo >/dev/tcp/{host}/{port}) &>/dev/null && echo "open" || echo "close"

# An example below
(echo >/dev/tcp/10.20.20.21/27017) &>/dev/null && echo "open" || echo "close"

# if open then it will return "open"
# if closed then it will return "close"
# if you can't connect to it then it will freeze, use ctrl+c

Similar codes

0 vote188 views1 answer
Quick checkers for ubuntu
Shell/Bash
0 vote189 views1 answer
Git clone into path
Shell/Bash
0 vote178 views1 answer
Pocketsphinx install error
Shell/Bash
1 vote207 views6 answers
Linux rename multiple files
Shell/Bash
0 vote207 views1 answer
Xss-clean github
Shell/Bash
0 vote182 views7 answers
Docker Kakfa
Shell/Bash
1 vote170 views2 answers
How to use nano instead of vi
Shell/Bash
0 vote221 views0 answer
Shell/Bash
69 votes219 views6 answers
Ubuntu kill running port
Shell/Bash
0 vote184 views1 answer
Cd n directories back
Shell/Bash