We have released a 1.6.19 patch release with the following bug fixes:
- prevent Shell app from crashing when home directory does not exist, which is necessary to support the first login flow for sites using pam_mkhomedir
- added ability to set separate proxy server for rewrite rules in ood-portal-generator config for cases like when setting up OnDemand behind a load balancer and proxy host
To upgrade from 1.6.17 to 1.6.19:
sudo yum update ondemand