Cloudera Docs

Networking

Known issues with networking.

  • Custom /etc/hosts entries on Cloudera Data Science Workbench hosts do not propagate to sessions and jobs running in containers.

    Cloudera Bug: DSE-2598

  • Initialisation of Cloudera Data Science Workbench (cdsw init) will fail if localhost does not resolve to 127.0.0.1.

  • Cloudera Data Science Workbench does not support DNS servers running on

    127.0.0.1:53 . This IP address resolves to the container localhost within Cloudera Data Science Workbench containers. As a workaround, use either a non-loopback address or a remote DNS server.
  • Kubernetes throws the following error when /etc/resolv.conf lists more than three domains: 
    Resolv.conf file '/etc/resolv.conf' contains search line consisting of more than 3 domains!
    Due to a limitation in the libc resolver, only two DNS servers are supported in /etc/resolv.conf. Kubernetes uses one additional entry for the cluster DNS.