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rootless podman
---------------
Basic configuration:
https://developers.redhat.com/blog/2020/09/25/rootless-containers-with-podman-the-basics#
% echo "user.max_user_namespaces=28633" > /etc/sysctl.d/userns.conf
% sysctl -p /etc/sysctl.d/userns.conf
% useradd -c "yocto" yocto
% passwd yocto
% su - yocto
% podman pull alpine
% podman run alpine cat /etc/os-release
% podman images
% podman unshare cat /proc/self/uid_map
podman system service
---------------
The podman system service command creates a listening service that answers API
calls for Podman, it supports systemd socket activation.
Test with docker-compose (v2):
To be noticed, docker could NOT be installed together with podman, so
docker-compose should be built as a standalone tool, remove 'docker-plugin'
from its PACKAGECONFIG at build time:
```
PACKAGECONFIG:remove:pn-docker-compose = "docker-plugin"
```
% sudo systemctl start podman.socket
% git clone https://github.com/docker/awesome-compose.git
% cd awesome-compose/postgresql-pgadmin; source .env
% sudo docker-compose up -d
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