Adds README with setup instructions

README.md

@@ -0,0 +1,56 @@
+# space
+Setup files for my VPS
+
+## Steps to setup
+
+### Setup VM
+
+- login as root
+- disable ssh for root
+- add user: `adduser <username>`
+- move and chown ssh keys from root to the new user
+- add user to sudo: `sudo usermod -aG sudo <username>`
+- setup firewall to allow/disallow ports
+- logout and login as the new user
+
+### Install docker
+
+```bash
+$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
+$ sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
+$ sudo apt-get update
+$ sudo apt-get install -y docker-ce docker-compose
+$ sudo gpasswd -a $USER docker
+```
+
+### Setup space
+
+- copy/clone this repo to `~/space`
+- setup SSL certificates (optional)
+
+```bash
+$ wget https://dl.eff.org/certbot-auto
+$ chmod a+x ./certbot-auto
+$ sudo ./certbot-auto certonly --server https://acme-v02.api.letsencrypt.org/directory --manual --preferred-challenges dns -d *.abhinavsarkar.net
+$ sudo cp /etc/letsencrypt/live/abhinavsarkar.net/* ~/space/certs/
+$ sudo chown -R $USER:$USER ~/space/certs/
+```
+- stop and disable resolvd
+
+```bash
+$ sudo service systemd-resolved stop
+$ sudo systemctl disable systemd-resolved.service
+```
+- edit `/etc/resolv.conf` to set the nameserver to `8.8.8.8`
+- edit `~/space/space.service` to set environment variables
+    - set passwords to random values if new setup
+    - set passwords to the previous values if a copy setup
+    - set `PH_SERVER_IP` to the static IP of the server
+- setup the service and start
+
+```bash
+$ sudo cp ~/space/space.service /etc/systemd/system/
+$ sudo systemctl enable space
+$ sudo systemctl start space
+```
+- edit `/etc/resolv.conf` to set the nameserver to `127.0.0.1`