Tweak schedule

_episodes/15.install.md

@@ -1,15 +1,15 @@
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 title: "Installing a container engine"
 teaching: 10
-exercises: 10
+exercises: 0
 questions:
 - What does the procedure to install a container engine looks like, and what are its main caveats?
-- What are the key aspects that can be configured by system administrators for Singularity and Shifter deployments?
+- What are the key aspects that can be configured by system administrators for container engine deployments?
 objectives:
 - Familiarise with the high-level procedure to install container runtimes
-- Familiarise with the syntax of configuration files for Singularity and Shifter
+- Familiarise with the syntax of configuration files for Singularity and other runtimes
 keypoints:
-- Installation of Singularity and Shifter is relatively simple, however it requires administrative privileges
+- Installation of some runtimes is relatively simple, however some require administrative privileges or certain features to be enabled
 - Charliecloud can be installed by unprivileged users
 - Typical configurations include runtime authorisations, image registry locations, default host directory mounts, default environment variables, GPUs and MPI settings
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