If you don't have access to the local area network of Environment Canada, then you will have
to modify your repository access list to remove repositories that are restricted to local access
only. Currently, this can be accomplished by removing only http://web-mrb.cmc.ec.gc.ca:9080/ssm.
perl -pi -e 's|http://web-mrb.cmc.ec.gc.ca:\d+.*\n||' ~/ECssm/etc/ssm.d/sources.list