Linux ping a port

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

46 votes238 views10 answers
Git commands
Shell/Bash
0 vote188 views1 answer
Git deleted file error
Shell/Bash
1 vote179 views1 answer
Bash sum variable
Shell/Bash
0 vote189 views1 answer
Open jupyter notebook in firefox/chrome from wsl
Shell/Bash
2 votes186 views1 answer
Could not install packages due to an oserror
Shell/Bash
0 vote189 views1 answer
Containing globalprotect, pre-dependency problem: globalprotect pre-depends on libqt5webkit5 libqt5webkit5 is not installed.
Shell/Bash
7 votes185 views1 answer
Oh my zsh autocomplete
Shell/Bash
2 votes191 views1 answer
Embed photos google drive
Shell/Bash
0 vote179 views1 answer
Uninstall ros2 foxy
Shell/Bash
5 votes176 views2 answers
Install font awesome
Shell/Bash