* `erlang-nox`
* `git`
* `build-essential`
+* `cmake`
#### Optional packages used in this guide
* Install some of the above mentioned programs:
```shell
-sudo apt install git build-essential postgresql postgresql-contrib
+sudo apt install git build-essential postgresql postgresql-contrib cmake
```
### Install Elixir and Erlang
#### Further reading
-* [Backup your instance](../administration/backup.md)
-* [Hardening your instance](../configuration/hardening.md)
-* [How to activate mediaproxy](../configuration/howto_mediaproxy.md)
-* [Updating your instance](../administration/updating.md)
+{! backend/installation/further_reading.include !}
## Questions