How to set sysctl parameter for a privileged container?

Problem

• How to set sysctl parameter for a privileged container?

Environment

• Platform9 Managed Kubernetes - All versions

Resolution

• This can be achieved using a daemonSet with privileged containers.
• An example is as given below:

- name: opensearch-test

    image: xyz

    command:

    - sysctl

    - -w

    - vm.max_map_count=262144

    securityContext:

      privileged: true