Ping a port linux

ping ip -p port

Linux ping a port

# 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

11 votes105 views2 answers
Find all directories in your home directory.
Shell/Bash
1 vote105 views1 answer
Get last modified date pdf online
Shell/Bash
47 votes101 views5 answers
Loop bash
Shell/Bash
0 vote101 views1 answer
Rickroll ssh
Shell/Bash
0 vote101 views1 answer
Mover archivos de local a ssh
Shell/Bash
2 votes62 views1 answer
Linux see rights on folder
Shell/Bash
3 votes125 views1 answer
Git checkout as different name
Shell/Bash
8 votes89 views2 answers
Check running process in linux
Shell/Bash
0 vote96 views1 answer
How to install onnx on jetson nano
Shell/Bash
0 vote93 views1 answer
Create multiple copies in linux of file
Shell/Bash