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rootles tutorial: remove systemd unit example

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The example was not entirely correct.  Users should use `podman generate
systemd` and use the output either directly or as a template for further
adjustments to their needs.  Keeping an example in the rootless tutorial
is a maintenance burdon and can easily suggest incorrect usage patterns
to users.

Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
This commit is contained in:
Valentin Rothberg
2020-03-09 13:34:39 +01:00
parent 220f9a71e4
commit 3c473681e3
1 changed files with 0 additions and 28 deletions
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28
docs/tutorials/rootless_tutorial.md
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@ -110,34 +110,6 @@ The Podman configuration files for root reside in `/usr/share/containers` with o
The default authorization file used by the `podman login` and `podman logout` commands reside in `${XDG_RUNTIME_DIR}/containers/auth.json`.
## Systemd unit for rootless container
```
[Unit]
Description=nginx
Requires=user@1001.service
After=user@1001.service
[Service]
Type=simple
KillMode=none
MemoryMax=200M
ExecStartPre=-/usr/bin/podman rm -f nginx
ExecStartPre=/usr/bin/podman pull nginx
ExecStart=/usr/bin/podman run --name=nginx -p 8080:80 -v /home/nginx/html:/usr/share/nginx/html:Z nginx
ExecStop=/usr/bin/podman stop nginx
Restart=always
User=nginx
Group=nginx
[Install]
WantedBy=multi-user.target
```
This example unit will launch a nginx container using the existing user nginx with id 1001, serving static content from /home/nginx/html and limited to 200MB of RAM.
You can use all the usual systemd flags to control the process, including capabilities and cgroup directives to limit memory or CPU.
See #3866 for more details.
## More information
If you are still experiencing problems running Podman in a rootless environment, please refer to the [Shortcomings of Rootless Podman](https://github.com/containers/libpod/blob/master/rootless.md) page which lists known issues and solutions to known issues in this environment.