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

2 votes363 views1 answer
Pandas can't read excel
Shell/Bash
0 vote329 views1 answer
How to install florence
Shell/Bash
0 vote335 views1 answer
Patch a file in vendor
Shell/Bash
5 votes299 views2 answers
Vlc player
Shell/Bash
0 vote335 views1 answer
Deb command not found deepin
Shell/Bash
77 votes342 views6 answers
Git clone specific branch
Shell/Bash
0 vote354 views2 answers
Check internet speed on mac terminal
Shell/Bash
14 votes375 views2 answers
Install selenium python
Shell/Bash
0 vote362 views1 answer
Artisan route list naem
Shell/Bash
1 vote353 views1 answer
Sudo cd command not found
Shell/Bash