Podman
What is Podman?
Why use Podman instead of Docker?
- Firewalld cannot block ports opened by docker containers.
- Podman can be managed by Cockpit.
- RedHat distros support Podman natively.
Post-installation steps for Podman
Rootless user
Podman supports rootless user natively, but the default settings are not appropriate for all applications. Some extra jobs are required.
1 | sudo sysctl net.ipv4.ip_unprivileged_port_start=80 |
Communication between containers and host.
- Docker containers use
172.17.0.1
to connect to host. - Podman containers use
10.0.2.2
to connect to host.
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