The document discusses Podman's networking capabilities, which manage communication between containers and allow the creation of custom networks for isolation and control. It details various network types such as bridge, host, and custom networks, along with commands for creating, attaching, and managing these networks. Furthermore, it includes commands for inspecting networks, testing container communication, and cleaning up unused networks.

1. Podman Networking

2. Podman Networking
● Manages communication between containers
● Supports creating custom networks for better isolation and control
● Types of networks
○ Bridge Network: Containers connect via a virtual bridge, isolated
from external networks.
○ Host Network: Containers share the host's network, no isolation.
○ Custom Networks: Containers are isolated on a user-defined
network.

3. Creating a Custom Network
● Creates a new isolated network for containers
Command: podman network create <custom_network_name>
● List all networks
Command: podman network ls

4. Attaching Container to Network
● Creates a container and connects it to the custom network
Command: podman run-d--name <container_name>--network
<network_name> <image>

5. ● Check all containers attached to network (podman network inspect is
to get the details about network)
Command: podman network inspect <network_name>--format
'{{range .Containers}}{{.Name}}{{"n"}}{{end}}'

6. ● Containers on the same network can communicate securely
● Test if two containers on the same network can communicate by pinging
each other
Command: podman exec <container_name> ping-c 4 <target_container>

7. Disconnect / Connect Container
● Disconnect container from network
Command: podman network disconnect <network_name> <container_name>
● Connect container to network
Command: podman network disconnect <network_name> <container_name>

8. Managing Network
● Removes a custom network after ensuring no container is connected to it
Command: podman network rm <network_name>

9. ● Cleans up networks no longer in use
Command: podman network prune