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+# HTTPS/SSL
+
+To make your website safer.
+It's also good for SEO, and having people actually be willing to us your site.
+
+## Install certbot
+And it's nginx module
+`apt install python3-certbot-nginx`
+
+## Start certbot 
+`certbot --nginx`
+This will ask for an email, for renewals
+`certbot --nginx --register-unsafely-without-email`
+This will not ask for an email (although it's probably a good idea to use one)
+
+Read the terms and accept what you want. E.g. if you don't want to give
+your email to anyone, deny that.
+
+When it asks for auto redirects, select option 2
+
+### Apply SSL changes (if 2 selected)
+`systemctl reload nginx`
+
+## Automatic SSL certificated renewal
+With a crontab
+
+`crontab -e`
+
+Add a line containing 
+`0 0 1 * * certbot --nginx renew` 
+Every 1 month, it will try to renew your SSL certificates
+
diff --git a/server/nginx_webserver/nginx.md b/server/nginx_webserver/nginx.md
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+# Nginx
+
+## Install
+`apt install nginx`
+
+## Make the site directory, and index
+`mkdir /var/www/<website>'
+'touch /var/www/<website>/index.html'
+### Git
+If you're using git VC for the website then after making the directory
+just `git clone <repo>` and checkout the appropriate release/branch.
+
+## Make a config
+`vim /etc/nginx/sites-available/<website>`
+
+### Basic config
+`server {
+        listen 80 ;
+        listen [::]:80 ;
+        server_name <domain>, www.<domain> ;
+        root /var/www/<website> ;
+        index index.html index.htm ;
+        location / {
+                try_files $uri $uri/ =404 ;
+        }
+}`
+
+#### Basic description of above:
+listen - listen to port 80 on ipv4 and ipv6
+server_name - the website/url that someone connecting to the server is looking for
+root - directory for the website (commonly kept in `/var/www/<websitename>`
+index - the default file to load when connecting to the site. In order of desc priority
+location - how the server should lookup files, if these aren't met throw a 404 error
+
+#### Example Configs
+Some examples can be found on nginx's site [here](https://www.nginx.com/resources/wiki/start/topics/examples/full/)
+
+
+## Enable the site
+This uses the config we build, by creating a symbolic link to it.
+`ln -s /etc/nginx/sites-available/<website> /etc/nginx/sites-enabled/<website>`
+
+### Restart nginx
+`sudo systemctl reload nginx`
+Using reload will not restart the service if a config is incorrect, so this is
+generally safer, especially in a working environment.
+
+## Allow http traffic
+If you've not got a firewall installed, this can be ignored. If you do, for 
+example after installing adar's _base you're going to want to allow traffic.
+
+Http
+`ufw allow 80` 
+Https (recommended, all sites need SSL these days)
+`ufw allow 443`
+
+## WIP
+
+## Internal address
+Edit `/etc/hosts` line `127.0.0.1 localhost` to `127.0.0.1 \*.localhost`
+Edit `.../sites-available/<website>` server_name and add <address>,localhost 
+