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For the littering part, just type
crontab -eand add the following line:Careful this will also delete your unused volumes (not attached to a running container because it is stopped for whatever reason counts as unused). For this reason alone, always use bind mounts for volumes you care about.
Yes.
All my self hosted containers are bound to some volume (since they require reading settings or databases).
as a user with root permission or as root ?
You shouldn't need sudo to run docker, just can create a
dockergroup and add your user to it. This will give you the steps on how to run docker withoutsudo.Edit: as pointed out below, please make sure that you're comfortable with giving these permissions to the user you're adding to the docker group.
Doing that, you effectively give the user account root access without password
docker run --volume /etc:/host_etc debian /bin/bash-> can read/write anything below the host's/etcdirectory, including shadow file, etc.True.
But I assume OP was already running docker from that user, so they are comfortable with those permissions.
Maybe should have made it clearer. Added to my other post. Thanks!
Genuinely curious, what would the advantages be?
Also, what if the Linux distro does not have systemd?
The chances I am going to manage a linux distro without systemd are low, but some systems (arch for example) don't have cron out of the box.
Not that big of a deal since it's easy to translate them all, but that's one of the reasons why I default to systemd/timer units.
I was just making a meme dude. Personally, I like systemd, it's more complicated to learn, I ended up reading books to really learn it properly. There's 100% nothing wrong with cron.
One of the reasons I like timers is journalctl integration. I can see everything in one place. Small thing.