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

3 votes182 views2 answers
For i in range bash
Shell/Bash
2 votes191 views1 answer
Check if redis is running or not
Shell/Bash
0 vote169 views1 answer
Dolphin service menus
Shell/Bash
0 vote176 views1 answer
Nstall the XmlDoc2CmdletDoc NuGet package into your project.
Shell/Bash
0 vote173 views1 answer
Pip install django invalid syntax
Shell/Bash
2 votes176 views1 answer
How to add a custom zsh aliases
Shell/Bash
15 votes174 views2 answers
Git config global rerere
Shell/Bash
0 vote168 views2 answers
Develop -> FETCH_HEAD instead of origin develop
Shell/Bash
0 vote176 views2 answers
Java status archlinux
Shell/Bash
0 vote200 views3 answers
Cat: /var/jenkins_home/secrets/initialAdminPassword: No such file or directory
Shell/Bash