update docs

docs/install/debian.md

@@ -1,7 +1,7 @@
 ---
-layout: default
 title: Debian
 permalink: /install/debian
+nav_order: 1
 parent: Install
 ---
 
@@ -9,7 +9,7 @@ parent: Install
 
 1. Install Node.js & yarn (**from root**)
 ```bash
-curl -sL https://deb.nodesource.com/setup_12.x | bash -
+curl -sL https://deb.nodesource.com/setup_16.x | bash -
 apt-get install -y nodejs
 curl -sL https://dl.yarnpkg.com/debian/pubkey.gpg |  apt-key add -
 echo "deb https://dl.yarnpkg.com/debian/ stable main" > /etc/apt/sources.list.d/yarn.list
@@ -19,7 +19,7 @@ apt-get update && apt-get install yarn
 
 1. Install Gancio
 ```bash
-yarn global add gancio --prod
+yarn global add --silent https://gancio.org/latest.tgz 2> /dev/null
 ```
 
 1. Setup with postgreSQL __(optional as you can choose sqlite)__
@@ -62,8 +62,8 @@ pm2 startup # read the output!
 sudo pm2 startup -u gancio
 ```
 
-1. Upgrade
+## Upgrade
 ```bash
-sudo yarn global add gancio
+sudo yarn global add --silent https://gancio.org/latest.tgz  2> /dev/null
 sudo service pm2 restart
 ```