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What are the use of this command sudo ufw allow 443 ?
The command sudo ufw allow 443 opens port 443 in the Uncomplicated Firewall (ufw). Port 443 is the standard port used for HTTPS traffic. This means that…
How to change your ubuntu version using command?
In this tutorial I’m going to change version 1 to version 2 using command in ubuntu, so follow this tutorial I have to defined in very quick…