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

0 vote152 views1 answer
Ansible copy
Shell/Bash
0 vote144 views1 answer
Sudo kill code for shutting down 48
Shell/Bash
7 votes158 views3 answers
Install spotify ubuntu
Shell/Bash
0 vote136 views1 answer
Arch linux sort packages by size
Shell/Bash
3 votes148 views1 answer
Linux xinput touchscreen
Shell/Bash
-1 vote153 views3 answers
Git: warning: Pulling without specifying how to reconcile divergent branches is
Shell/Bash
3 votes146 views1 answer
Installation of package ‘openssl’ had non-zero exit status
Shell/Bash
0 vote151 views1 answer
Ansible Permission denied (publickey,password).
Shell/Bash
1 vote155 views1 answer
Restart nginx inside docker container
Shell/Bash
0 vote148 views1 answer
Mac update path permanently
Shell/Bash