Server Administration Programming Tutorials, Guides & Best Practices

• Add a Rich Rule:

For example, to allow traffic from a specific IP address:

• Consistency: Docker containers ensure that applications run the same way across different environments.
• Efficiency: Containers are lightweight and share the host OS kernel, making them more resource-efficient than virtual machines.
• Scalability: Docker makes it easier to scale applications, allowing you to deploy multiple containers across a cluster.

Before installing Docker, ensure your Linux distribution is up-to-date:

sudo apt-get dist-upgrade

To remove a package:

You can change permissions using symbolic notation:

• Add a permission: