Chapter 3 Use DigitalOcean to setup your Shiny App

• Sign up for DigitalOcean
• Create a new Droplet
• (Optional) Set Up SSH Keys: https://www.digitalocean.com/community/tutorials/how-to-set-up-ssh-keys--2

• Create a Sudo User: https://www.digitalocean.com/community/tutorials/how-to-create-a-sudo-user-on-ubuntu-quickstart

• Error Permission denied solution:
  • Add ssh keys to the new user: https://www.digitalocean.com/community/questions/error-permission-denied-publickey-when-i-try-to-ssh

• Connect to computers on the internet with the ssh (Secure Shell) program

ssh [username]@server_ip_address

• installing R on ubuntu: https://www.digitalocean.com/community/tutorials/how-to-install-r-on-ubuntu-16-04-2
• Download RStudio Server: https://www.rstudio.com/products/rstudio/download-server/
• Download Shiny Server: https://www.rstudio.com/products/shiny/download-server/
• Install Shiny: https://www.digitalocean.com/community/tutorials/how-to-set-up-shiny-server-on-ubuntu-14-04

• Swap space (look at the fast way): https://www.digitalocean.com/community/tutorials/how-to-add-swap-on-ubuntu-14-04

• Stop and start shiny server:

sudo systemctl stop shiny-server
sudo systemctl start shiny-server

• Change the conf file:

sudo nano etc/shiny-server/shiny-server.conf

• Upload local app code:

scp [local file] [username]@server_ip_address:~/

• Make a new directory and move the app to the folder:

sudo mkdir [new folder name]
# we upload the file from local to ~/
cd ~
mv ~/[file name]/srv/shiny-server/sample-apps/[new folder name]

Questions:

• how do they charge
• Destroy v.s. turn off