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+## Prunear registry
+
+```
+~root/prune-container-registry.sh
+# aka
+cd /home/container-registry/
+USER=container-registry HOME=/home/container-registry \
+        chpst -u container-registry:container-registry podman exec container-registry registry garbage-collect /etc/docker/registry/config.yml -m
+```
+
+Gracias [StackOverflow](https://stackoverflow.com/a/48950176)
+
+## Prunear Docker
+
+```
+docker system prune --all
+## Ojo: elimina volumenes de contenedores apagados
+docker system prune --all --volumes
+```
+
+## Prunear Podman
+
+```
+podman system prune --all
+## Ojo: elimina volumenes de contenedores apagados
+podman system prune --all --volumes
+```
+
+## Limpiar paquetes
+
+### Paquetes huerfanos
+
+```
+xbps-remove -o
+```
+
+### Caché de paquetes no instalado
+
+```
+xbps-remove -O
+```
+
+### Nuclear: todo el caché de paquetes
+
+```
+rm -r /var/cache/xbps/*
+```