rstudioserver

# References:
# https://www.linode.com/docs/development/r/how-to-deploy-rstudio-server-using-an-nginx-reverse-proxy/
# https://www.digitalocean.com/community/tutorials/how-to-secure-nginx-with-let-s-encrypt-on-ubuntu-18-04

# have R and rstudio
 apt-key adv --keyserver keyserver.ubuntu.com --recv-keys E298A3A825C0D65DFD57CBB651716619E084DAB9
  add-apt-repository 'deb https://cloud.r-project.org/bin/linux/ubuntu bionic-cran35/'
 apt install r-base

add-apt-repository ppa:certbot/certbot
apt install python-certbot-nginx nginx
#  edit server_name in /etc/nginx/sites-available/default
nginx -t
systemctl reload nginx

certbot --nginx -d SERVER.NAME

# edit:
#  nginx.conf under http {}
# map $http_upgrade $connection_upgrade {
#            default upgrade;
#            ''      close;
#        }

# available-sites/default:    change "secret" to something else
#         rewrite ^/secret$ $scheme://$host/secret/ permanent;
#        location /secret/ {
#             rewrite ^/secret/(.*)$ /$1 break;
#             proxy_pass http://localhost:8787/;
#             proxy_redirect http://localhost:8787/ $scheme://$host/secret/;
#             proxy_http_version 1.1;
#             proxy_set_header Upgrade $http_upgrade;
#             proxy_set_header Connection $connection_upgrade;
#             proxy_read_timeout 20d;
#
#        }

# cat /etc/rstudio/rserver.conf
# Server Configuration File
www-address=127.0.0.1

# cat /etc/rstudio/rsession.conf
# R Session Configuration File
session-timeout-minutes=30