README: document accessing lnls-run's socket.

cnpem · Oct 27, 2023 · a3a13ec · a3a13ec
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diff --git a/README.md b/README.md
@@ -70,3 +70,16 @@ not built in `ADSupport`.
 
 Known build and runtime issues are documented in the [SwC
 wiki](http://swc.lnls.br/).
+
+## Containers
+
+### Accessing `iocsh` inside containers
+
+If a container is using the default `lnls-run` entrypoint (i.e. this won't work
+for containers launched by the `iocs` script for SIRIUS beamlines), its IOC's
+`iocsh` can be accessed with the following command (use `podman` if
+appropriate):
+
+```
+$ docker exec -ti <container> nc -U ioc.sock
+```