# Installing on Arch Linux ## Installation This guide will assume that you have administrative rights, either as root or a user with [sudo permissions](https://wiki.archlinux.org/index.php/Sudo). If you want to run this guide with root, ignore the `sudo` at the beginning of the lines, unless it calls a user like `sudo -Hu pleroma`; in this case, use `su <username> -s $SHELL -c 'command'` instead. ### Required packages * `postgresql` * `elixir` * `git` * `base-devel` * `cmake` * `file` #### Optional packages used in this guide * `nginx` (preferred, example configs for other reverse proxies can be found in the repo) * `certbot` (or any other ACME client for Let’s Encrypt certificates) * `ImageMagick` * `ffmpeg` * `exiftool` ### Prepare the system * First update the system, if not already done: ```shell sudo pacman -Syu ``` * Install some of the above mentioned programs: ```shell sudo pacman -S git base-devel elixir cmake file ``` ### Install PostgreSQL [Arch Wiki article](https://wiki.archlinux.org/index.php/PostgreSQL) * Install the `postgresql` package: ```shell sudo pacman -S postgresql ``` * Initialize the database cluster: ```shell sudo -iu postgres initdb -D /var/lib/postgres/data ``` * Start and enable the `postgresql.service` ```shell sudo systemctl enable --now postgresql.service ``` ### Install media / graphics packages (optional, see [`docs/installation/optional/media_graphics_packages.md`](../installation/optional/media_graphics_packages.md)) ```shell sudo pacman -S ffmpeg imagemagick perl-image-exiftool ``` ### Install PleromaBE * Add a new system user for the Pleroma service: ```shell sudo useradd -r -s /bin/false -m -d /var/lib/pleroma -U pleroma ``` **Note**: To execute a single command as the Pleroma system user, use `sudo -Hu pleroma command`. You can also switch to a shell by using `sudo -Hu pleroma $SHELL`. If you don’t have and want `sudo` on your system, you can use `su` as root user (UID 0) for a single command by using `su -l pleroma -s $SHELL -c 'command'` and `su -l pleroma -s $SHELL` for starting a shell. * Git clone the PleromaBE repository and make the Pleroma user the owner of the directory: ```shell sudo mkdir -p /opt/pleroma sudo chown -R pleroma:pleroma /opt/pleroma sudo -Hu pleroma git clone -b stable https://git.pleroma.social/pleroma/pleroma /opt/pleroma ``` * Change to the new directory: ```shell cd /opt/pleroma ``` * Install the dependencies for Pleroma and answer with `yes` if it asks you to install `Hex`: ```shell sudo -Hu pleroma mix deps.get ``` * Generate the configuration: `sudo -Hu pleroma mix pleroma.instance gen` * Answer with `yes` if it asks you to install `rebar3`. * This may take some time, because parts of pleroma get compiled first. * After that it will ask you a few questions about your instance and generates a configuration file in `config/generated_config.exs`. * Check the configuration and if all looks right, rename it, so Pleroma will load it (`prod.secret.exs` for productive instance, `dev.secret.exs` for development instances): ```shell sudo -Hu pleroma mv config/{generated_config.exs,prod.secret.exs} ``` * The previous command creates also the file `config/setup_db.psql`, with which you can create the database: ```shell sudo -Hu postgres psql -f config/setup_db.psql ``` * Now run the database migration: ```shell sudo -Hu pleroma MIX_ENV=prod mix ecto.migrate ``` * Now you can start Pleroma already ```shell sudo -Hu pleroma MIX_ENV=prod mix phx.server ``` ### Finalize installation If you want to open your newly installed instance to the world, you should run nginx or some other webserver/proxy in front of Pleroma and you should consider to create a systemd service file for Pleroma. #### Nginx * Install nginx, if not already done: ```shell sudo pacman -S nginx ``` * Create directories for available and enabled sites: ```shell sudo mkdir -p /etc/nginx/sites-{available,enabled} ``` * Append the following line at the end of the `http` block in `/etc/nginx/nginx.conf`: ```Nginx include sites-enabled/*; ``` * Setup your SSL cert, using your method of choice or certbot. If using certbot, first install it: ```shell sudo pacman -S certbot certbot-nginx ``` and then set it up: ```shell sudo mkdir -p /var/lib/letsencrypt/ sudo certbot certonly --email <your@emailaddress> -d <yourdomain> --standalone ``` If that doesn’t work, make sure, that nginx is not already running. If it still doesn’t work, try setting up nginx first (change ssl “on” to “off” and try again). --- * Copy the example nginx configuration and activate it: ```shell sudo cp /opt/pleroma/installation/pleroma.nginx /etc/nginx/sites-available/pleroma.nginx sudo ln -s /etc/nginx/sites-available/pleroma.nginx /etc/nginx/sites-enabled/pleroma.nginx ``` * Before starting nginx edit the configuration and change it to your needs (e.g. change servername, change cert paths) * Enable and start nginx: ```shell sudo systemctl enable --now nginx.service ``` If you need to renew the certificate in the future, uncomment the relevant location block in the nginx config and run: ```shell sudo certbot certonly --email <your@emailaddress> -d <yourdomain> --webroot -w /var/lib/letsencrypt/ ``` #### Other webserver/proxies You can find example configurations for them in `/opt/pleroma/installation/`. #### Systemd service * Copy example service file ```shell sudo cp /opt/pleroma/installation/pleroma.service /etc/systemd/system/pleroma.service ``` * Edit the service file and make sure that all paths fit your installation * Enable and start `pleroma.service`: ```shell sudo systemctl enable --now pleroma.service ``` #### Create your first user If your instance is up and running, you can create your first user with administrative rights with the following task: ```shell sudo -Hu pleroma MIX_ENV=prod mix pleroma.user new <username> <your@emailaddress> --admin ``` #### Further reading {! backend/installation/further_reading.include !} ## Questions Questions about the installation or didn’t it work as it should be, ask in [#pleroma:matrix.org](https://matrix.heldscal.la/#/room/#freenode_#pleroma:matrix.org) or IRC Channel **#pleroma** on **Freenode**.