While working with linux os, We need to open some kinds of port like for Redis database server, Use the following command for the same.
Step 1: Allow the Port 6379
You need to execute the given command to allow port 80 using UFW utility.
sudo ufw allow 6379
Step 2: Get UFW firewall Status
Now we need to check and verify the open port by using the given command.
sudo ufw status