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

115 votes394 views6 answers
Node install ubuntu
Shell/Bash
0 vote378 views1 answer
Start vagrant box
Shell/Bash
2 votes413 views2 answers
Install compser
Shell/Bash
0 vote357 views1 answer
Pip install hand tracking module
Shell/Bash
0 vote348 views1 answer
Shell get location of function
Shell/Bash
0 vote384 views1 answer
Homebrew restart redis
Shell/Bash
1 vote358 views1 answer
Du -sh ocult files
Shell/Bash
0 vote349 views1 answer
Linux run task in background
Shell/Bash
10 votes359 views3 answers
Linux command to check memory usage in percentage
Shell/Bash
0 vote398 views1 answer
Setup source.list of ROS
Shell/Bash