mirror of
https://github.com/LemmyNet/lemmy-docs.git
synced 2024-11-01 01:59:54 +00:00
Rewrite instructions for manually installation (#99)
* Rewrite instructions for manually installation * fix pictrs upload, simplify sed commands, fix lemmy config editing
This commit is contained in:
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1 changed files with 205 additions and 294 deletions
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@ -2,324 +2,235 @@
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> ⚠️ **Disclaimer:** this installation method is not recommended by the Lemmy developers. If you have any problems, you need to solve them yourself or ask the respective authors. If you notice any Lemmy bugs on an instance installed like this, please mention it in the bug report.
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> ⚠️ **Disclaimer:** this installation method is not recommended by the Lemmy developers. If you have any problems, you need to solve them yourself or ask the respective authors. If you notice any Lemmy bugs on an instance installed like this, please mention it in the bug report.
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## Installing Lemmy from source code
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These instructions are written for Ubuntu 20.04.
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Instructions for installing Lemmy natively, without relyng on Docker. Originally posted on [Some resources on setting Lemmy up from source - Lemmy dot C.A.](https://lemmy.ca/post/1066) **The current transcription has been adapted to improve readability**.
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## Installation
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### Important
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### Lemmy Backend
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> Software package references below are all Gentoo-based - there's information in the docker files about what's required on debian-like systems, and for anything else you'll probably be able to easily adjust as necessary.
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It is built from source, so this may take a while, especially on slow devices. For example, Lemmy v0.12.2 takes 17 minutes to build on a dual core VPS. If you prefer prebuilt binaries, use Docker.
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Note that building Lemmy requires a lot of hardware resources. If you want to run Lemmy on a small VPS with very limited RAM (which seems like a perfectly acceptable way to run a production instance), maybe stick with the Docker image, or do your code building on another system that has more RAM. RAM is huge with rust builds.
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Tag/release versions included in this note come from lemmy/docker/prod/docker-compose.yml and were current at the time this document was created. **Definitely adjust to appropriate versions as necessary**.
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I had to switch from using `sudo` to `su`'ing in some places as the user was doing something odd/incomplete with the sudo env for pictrs
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## Setup
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| Dependencies | |
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|------------------------------|-------------------------------------------|
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| app-admin | sudo |
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| dev-vcs | [git](https://git-scm.com/) |
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| dev-lang | [rust](https://www.rust-lang.org/) |
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| dev-db | [postgresql](https://www.postgresql.org/) |
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| www-servers | [nginx](https://nginx.org/en/) |
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| sys-apps | [yarn](https://yarnpkg.com/) |
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| app-shells | bash-completion |
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### Get postgresql service up & running
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Compile and install Lemmy, setup database:
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```bash
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```bash
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emerge --config dev-db/postgresql
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apt install pkg-config libssl-dev libpq-dev cargo postgresql
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rc-service postgresql-12 start
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# installs latest release, you can also specify one with --version
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useradd -m -s /bin/bash lemmy
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cargo install lemmy_server --target-dir /usr/bin/
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cd ~lemmy
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# replace db-passwd with a randomly generated password
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sudo -Hu lemmy git clone https://github.com/LemmyNet/lemmy.git
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sudo -iu postgres psql -c "CREATE USER lemmy WITH PASSWORD 'db-passwd';"
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cd lemmy
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sudo -iu postgres psql -c "CREATE DATABASE lemmy WITH OWNER lemmy;"
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adduser lemmy --system --disabled-login --no-create-home --group
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```
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```
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### List the tags/releases available
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Minimal Lemmy config, put this in `/etc/lemmy/lemmy.hjson` (see [here](https://github.com/LemmyNet/lemmy/blob/main/config/config.hjson) for more config options). Run `chown lemmy:lemmy /etc/lemmy/ -R` to set the correct owner.
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```hjson
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```bash
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sudo -Hu lemmy git tag -l
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sudo -Hu lemmy git checkout tags/v0.11.0
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```
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### Build prod? (Remove --release for dev)
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```bash
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sudo -Hu lemmy cargo build --release
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cd ..
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sudo -Hu lemmy git clone https://github.com/LemmyNet/lemmy-ui.git
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cd lemmy-ui
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```
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### List the tags/releases available
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```bash
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sudo -Hu lemmy git tag -l
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sudo -Hu lemmy git checkout tags/v0.8.10
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sudo -Hu lemmy git submodule init
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sudo -Hu lemmy git submodule update --remote
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```
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### Build the frontend
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#### This is for dev
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```bash
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sudo -Hu lemmy yarn
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```
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#### This is for prod
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```bash
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sudo -Hu lemmy yarn install --pure-lockfile
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sudo -Hu lemmy yarn build:prod
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```
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**And this is just to run a dev env, but I think we'll prefer prod - use the init script**
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```bash
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sudo -Hu lemmy yarn dev
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```
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For prod, we'll use the [init script](#initlemmy), but the prod commandline is:
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```bash
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sudo -Hu node dist/js/server.js
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```
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### Setup the DB
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#### Adjust 'password' to an actual password here and execute:
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```bash
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sudo -u postgres psql -c "create user lemmy with password 'password' superuser;" -U postgres
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sudo -u postgres psql -c 'create database lemmy with owner lemmy;' -U postgres
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```
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### pict-rs install
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```bash
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useradd -m -s /bin/bash pictrs
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cp target/release/pict-rs .
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```
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Added hdri as magick_rust fails to compile if it's not there. Mentioned in [error[E0425]: cannot find value QuantumRange in module bindings](https://github.com/nlfiedler/magick-rust/issues/40)
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```bash
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echo "media-gfx/imagemagick hdri jpeg lzma png webp" >> /etc/portage/package.use
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echo "*/* -llvm_targets_NVPTX -llvm_targets_AMDGPU" >> /etc/portage/package.use
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```
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Install extra packages required for pict-rs:
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| packages | |
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|-------------|--------------------------------------------------|
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| media-libs | [gexiv2](https://gitlab.gnome.org/GNOME/gexiv2) |
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| media-gfx | [imagemagick](https://imagemagick.org/index.php) |
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| media-video | [ffmpeg](https://ffmpeg.org/) |
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| sys-devel | [clang](https://clang.llvm.org/) |
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Packages required for pict-rs (in case on separate system):
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| packages | |
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|----------|------------------------------------|
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| dev-lang | [rust](https://www.rust-lang.org/) |
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Script this or it has to be run manually as user...?
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```bash
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su - pictrs
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git clone https://git.asonix.dog/asonix/pict-rs.git
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cd pict-rs
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git tag -l
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git checkout tags/v0.2.5-r0
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cargo build --release
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cp target/release/pict-rs .
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cd ~pictrs
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mkdir pictrs-data
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```
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**Something missing in the pict-rs README - it created & uses a pict-rs folder in /tmp**
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If you do anything funky like I have (changing the user pict-rs runs under) and you wind up with permission problems (which the logs don't tell you *what* it's having a permission issue with), this could be your issue. Also, time will tell whether this folder gets cleaned up appropriately or not.
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Running pictrs is along the lines of:
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```bash
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pict-rs/pict-rs -a 127.0.0.1:9000 -p ~pictrs/pictrs-data/
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```
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But we'll just use the init script.
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At this point, fire everything up via the [init scripts](#init-scripts), should all go. Setup the init scripts to run at boot time. Presumably you've setup nginx and you can reach your instance.
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---
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## Updating
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```bash
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su - lemmy
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cd lemmy
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```
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BACKUP [config/config.hjson](#configuration) somewhere
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```bash
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git fetch
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git tag -l
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git checkout tags/WHATEVER
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cargo build --release
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cd ~/lemmy-ui
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```
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#### List the tags/releases available
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```bash
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git fetch
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git tag -l
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git checkout tags/WHATEVER
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git submodule update --remote
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```
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### Build the frontend
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#### This is for prod
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```bash
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yarn install --pure-lockfile # Is this step really needed?
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#yarn upgrade --pure-lockfile # ?? Did I get it?
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#yarn # Is this step really needed? One of these steps is for sure. (Should be unnecessary)
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yarn build:prod
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```
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restart lemmy-ui
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### pict-rs update
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```bash
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su - pictrs
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cd pict-rs
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git fetch
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git tag -l
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git checkout tags/v0.2.5-r0 # (or whatever is currently mentioned in the lemmy docker file)
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cargo build --release
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cp target/release/pict-rs .
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```
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restart pictrs
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---
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## Index
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### configuration
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config/config.hjson example
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```json
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{
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{
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database: {
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database: {
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user: "lemmy"
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# put your db-passwd from above
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password: "whatever"
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password: "db-passwd"
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host: "localhost"
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port: 5432
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database: "lemmy"
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pool_size: 5
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}
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}
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hostname: "lemmy.ca"
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# replace with your domain
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hostname: example.com
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bind: "127.0.0.1"
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bind: "127.0.0.1"
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port: 8536
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# put a random string here (required for login token encryption)
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docs_dir: "/home/lemmy/lemmy/docs/book"
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jwt_secret: "changeme"
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pictrs_url: "http://localhost:9000"
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federation: {
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|
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enabled: true
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allowed_instances: ""
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|
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blocked_instances: ""
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|
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}
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email: {
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|
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smtp_server: "localhost:25"
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|
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smtp_from_address: "lemmy@lemmy.ca"
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|
||||||
use_tls: false
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|
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}
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}
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}
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```
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```
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### init scripts
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Systemd unit file, so that Lemmy automatically starts and stops, logs are handled via journalctl etc. Put this file into /etc/systemd/system/lemmy.service, then run `systemctl enable lemmy` and `systemctl start lemmy`.
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```
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[Unit]
|
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Description=Lemmy - A link aggregator for the fediverse
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After=network.target
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##### init/lemmy
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[Service]
|
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User=lemmy
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ExecStart=/usr/bin/lemmy_server
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Environment=LEMMY_CONFIG_LOCATION=/etc/lemmy/lemmy.hjson
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Restart=on-failure
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# Hardening
|
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ProtectSystem=yes
|
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PrivateTmp=true
|
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MemoryDenyWriteExecute=true
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NoNewPrivileges=true
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[Install]
|
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WantedBy=multi-user.target
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```
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If you did everything right, the Lemmy logs from `journalctl -u lemmy` should show "Starting http server at 127.0.0.1:8536". You can also run `curl localhost:8536/api/v3/site` which should give a successful response, looking like `{"site_view":null,"admins":[],"banned":[],"online":0,"version":"unknown version","my_user":null,"federated_instances":null}`.
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|
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### Install lemmy-ui (web frontend)
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Install dependencies (nodejs and yarn in Ubuntu 20.04 repos are too old)
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```bash
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# https://classic.yarnpkg.com/en/docs/install/#debian-stable
|
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curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
|
||||||
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echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
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||||||
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# https://github.com/nodesource/distributions/blob/master/README.md#installation-instructions
|
||||||
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curl -fsSL https://deb.nodesource.com/setup_12.x | sudo -E bash -
|
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sudo apt install nodejs yarn
|
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```
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||||||
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|
||||||
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Clone the git repo, checkout the version you want (0.12.2 in this case), and compile it.
|
||||||
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```bash
|
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mkdir /var/lib/lemmy-ui
|
||||||
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cd /var/lib/lemmy-ui
|
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chown lemmy:lemmy .
|
||||||
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# dont compile as admin
|
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sudo -u lemmy bash
|
||||||
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git clone https://github.com/LemmyNet/lemmy-ui.git --recursive .
|
||||||
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git checkout 0.12.2 # replace with the version you want to install
|
||||||
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yarn install --pure-lockfile
|
||||||
|
yarn build:prod
|
||||||
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exit
|
||||||
|
```
|
||||||
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|
||||||
|
Add another systemd unit file, this time for lemmy-ui. You need to replace example.com with your actual domain. Put the file in `/etc/systemd/system/lemmy-ui.service`, then run `systemctl enable lemmy-ui` and `systemctl start lemmy-ui`.
|
||||||
|
```
|
||||||
|
[Unit]
|
||||||
|
Description=Lemmy UI - Web frontend for Lemmy
|
||||||
|
After=lemmy.service
|
||||||
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Before=nginx.service
|
||||||
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|
||||||
|
[Service]
|
||||||
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User=lemmy
|
||||||
|
WorkingDirectory=/var/lib/lemmy-ui
|
||||||
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ExecStart=/usr/bin/node dist/js/server.js
|
||||||
|
Environment=LEMMY_INTERNAL_HOST=localhost:8536
|
||||||
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Environment=LEMMY_EXTERNAL_HOST=example.com
|
||||||
|
Environment=LEMMY_HTTPS=true
|
||||||
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Restart=on-failure
|
||||||
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|
||||||
|
# Hardening
|
||||||
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ProtectSystem=full
|
||||||
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PrivateTmp=true
|
||||||
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NoNewPrivileges=true
|
||||||
|
|
||||||
|
[Install]
|
||||||
|
WantedBy=multi-user.target
|
||||||
|
```
|
||||||
|
|
||||||
|
If everything went right, the command `curl -I localhost:1234` should show `200 OK` at the top.
|
||||||
|
|
||||||
|
### Configure reverse proxy and TLS
|
||||||
|
|
||||||
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Install dependencies
|
||||||
|
```bash
|
||||||
|
apt install nginx certbot python3-certbot-nginx
|
||||||
|
```
|
||||||
|
|
||||||
|
Request Let's Encrypt TLS certificate (just follow the instructions)
|
||||||
|
```bash
|
||||||
|
certbot certonly --nginx
|
||||||
|
```
|
||||||
|
|
||||||
|
Let's Encrypt certificates should be renewed automatically, so add the line below to your crontab, by running `sudo crontab -e`. Replace example.com with your actual domain.
|
||||||
|
```
|
||||||
|
@daily certbot certonly --nginx --cert-name example.com -d example.com --deploy-hook 'nginx -s reload'
|
||||||
|
```
|
||||||
|
|
||||||
|
Finally, add the nginx config. After downloading, you need to replace some variables in the file.
|
||||||
|
```bash
|
||||||
|
curl https://raw.githubusercontent.com/LemmyNet/lemmy/main/ansible/templates/nginx.conf \
|
||||||
|
--output /etc/nginx/sites-enabled/lemmy.conf
|
||||||
|
# put your actual domain instead of example.com
|
||||||
|
sed -i -e 's/{{domain}}/example.com/g' /etc/nginx/sites-enabled/lemmy.conf
|
||||||
|
sed -i -e 's/{{lemmy_port}}/8536/g' /etc/nginx/sites-enabled/lemmy.conf
|
||||||
|
sed -i -e 's/{{lemmy_ui_port}}/1234/g' /etc/nginx/sites-enabled/lemmy.conf
|
||||||
|
nginx -s reload
|
||||||
|
```
|
||||||
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|
||||||
|
Now open your Lemmy domain in the browser, and it should show you a configuration screen. Use it to create the first admin user and the default community.
|
||||||
|
|
||||||
|
### Pict-rs (for image hosting, optional)
|
||||||
|
|
||||||
|
Pict-rs requires a newer Rust version than the one available in Ubuntu 20.04 repos. So you need to install [Rustup](https://rustup.rs/) which installs the toolchain for you.
|
||||||
|
|
||||||
```bash
|
```bash
|
||||||
#!/sbin/openrc-run
|
apt install ffmpeg exiftool --no-install-recommends
|
||||||
|
adduser pictrs --system --disabled-login --no-create-home --group
|
||||||
name="Lemmy Backend"
|
mkdir /var/lib/pictrs-source
|
||||||
|
cd /var/lib/pictrs
|
||||||
depend() {
|
git clone https://git.asonix.dog/asonix/pict-rs.git .
|
||||||
need localmount
|
# check docker-compose.yml for pict-rs version used by lemmy
|
||||||
need net
|
# https://github.com/LemmyNet/lemmy/blob/main/ansible/templates/docker-compose.yml#L40
|
||||||
}
|
git checkout v0.2.6-r2
|
||||||
|
# or simply add the bin folder to your $PATH
|
||||||
start() {
|
$HOME/.cargo/bin/cargo build --release
|
||||||
ebegin "Starting Lemmy"
|
cp target/release/pict-rs /usr/bin/
|
||||||
start-stop-daemon --start --background --make-pidfile --user lemmy --group lemmy --pidfile /home/lemmy/lemmy.pid --chdir /home/lemmy/lemmy -3 /usr/bin/logger -4 /usr/bin/logger --exec ~lemmy/lemmy/target/release/lemmy_server
|
# create folder to store image data
|
||||||
eend $?
|
mkdir /var/lib/pictrs
|
||||||
}
|
chown pictrs:pictrs /var/lib/pictrs
|
||||||
|
|
||||||
stop() {
|
|
||||||
start-stop-daemon --stop --signal TERM --pidfile /home/lemmy/lemmy.pid
|
|
||||||
eend $?
|
|
||||||
}
|
|
||||||
```
|
```
|
||||||
|
|
||||||
##### init/lemmy-ui
|
Pict-rs requires the `magick` command which comes with Imagemagick version 7, but Ubuntu 20.04 only comes with Imagemagick 6. So you need to install that command manually, eg from the [official website](https://imagemagick.org/script/download.php#linux).
|
||||||
|
```
|
||||||
|
wget https://download.imagemagick.org/ImageMagick/download/binaries/magick
|
||||||
|
# compare hash with the "message digest" on the official page linked above
|
||||||
|
sha256sum magick
|
||||||
|
mv magick /usr/bin/
|
||||||
|
chmod 755 /usr/bin/magick
|
||||||
|
```
|
||||||
|
|
||||||
|
Just like before, place the config below in `/etc/systemd/system/pictrs.service`, then run `systemctl enable pictrs` and `systemctl start pictrs`.
|
||||||
|
```
|
||||||
|
[Unit]
|
||||||
|
Description=pict-rs - A simple image host
|
||||||
|
After=network.target
|
||||||
|
|
||||||
|
[Service]
|
||||||
|
User=pictrs
|
||||||
|
ExecStart=/usr/bin/pict-rs
|
||||||
|
Environment=PICTRS_PATH=/var/lib/pictrs
|
||||||
|
Environment=PICTRS_ADDR=127.0.0.1:8080
|
||||||
|
Restart=on-failure
|
||||||
|
|
||||||
|
[Install]
|
||||||
|
WantedBy=multi-user.target
|
||||||
|
```
|
||||||
|
|
||||||
|
If it is working correctly, `curl 127.0.0.1:8080` should output nothing (particularly no errors).
|
||||||
|
|
||||||
|
Now add the line `pictrs_url: "http://127.0.0.1:8080"` to `/etc/lemmy/lemmy.hjson` so that Lemmy knows how to reach Pict-rs. Then restart Lemmy with `systemctl restart lemmy`, and image uploads should be working.
|
||||||
|
|
||||||
|
## Upgrading
|
||||||
|
|
||||||
|
### Lemmy
|
||||||
|
|
||||||
```bash
|
```bash
|
||||||
#!/sbin/openrc-run
|
# installs latest release, you can also specify one with --version
|
||||||
|
cargo install lemmy_server --target-dir /usr/bin/
|
||||||
name="Lemmy UI"
|
systemctl restart lemmy
|
||||||
|
|
||||||
depend() {
|
|
||||||
need localmount
|
|
||||||
need net
|
|
||||||
}
|
|
||||||
|
|
||||||
start() {
|
|
||||||
ebegin "Starting Lemmy UI"
|
|
||||||
start-stop-daemon --start --background --make-pidfile --user lemmy --group lemmy --pidfile /home/lemmy/lemmy-ui.pid --chdir /home/lemmy/lemmy-ui -3 /usr/bin/logger -4 /usr/bin/logger --exec node dist/js/server.js --env LEMMY_INTERNAL_HOST=127.0.0.1:8536 --env LEMMY_EXTERNAL_HOST=lemmy.ca --env LEMMY_HTTPS=true
|
|
||||||
eend $?
|
|
||||||
}
|
|
||||||
```
|
```
|
||||||
|
|
||||||
##### init/pict-rs
|
### Lemmy UI
|
||||||
|
|
||||||
```bash
|
```bash
|
||||||
#!/sbin/openrc-run
|
cd /var/lib/lemmy-ui
|
||||||
|
sudo -u lemmy
|
||||||
name="pict-rs Daemon"
|
git checkout main
|
||||||
|
git pull --tags
|
||||||
depend() {
|
git checkout 0.12.2 # replace with the version you want to install
|
||||||
need localmount
|
git submodule update
|
||||||
need net
|
yarn install --pure-lockfile
|
||||||
}
|
yarn build:prod
|
||||||
|
exit
|
||||||
start() {
|
systemctl restart lemmy-ui
|
||||||
ebegin "Starting pictrs"
|
|
||||||
start-stop-daemon --start --background --make-pidfile --user pictrs --group pictrs --pidfile /home/pictrs/pictrs.pid --chdir /home/pictrs/pict-rs -3 /usr/bin/logger -4 /usr/bin/logger --exec /home/pictrs/pict-rs/pict-rs -- -a 127.0.0.1:9000 -p ~pictrs/pictrs-data
|
|
||||||
eend $?
|
|
||||||
}
|
|
||||||
|
|
||||||
stop() {
|
|
||||||
start-stop-daemon --stop --signal TERM --pidfile /home/pictrs/pictrs.pid
|
|
||||||
eend $?
|
|
||||||
}
|
|
||||||
```
|
```
|
||||||
|
|
||||||
|
### Pict-rs
|
||||||
|
|
||||||
|
```bash
|
||||||
|
rustup update
|
||||||
|
cd /var/lib/pictrs-source
|
||||||
|
git checkout main
|
||||||
|
git pull --tags
|
||||||
|
# check docker-compose.yml for pict-rs version used by lemmy
|
||||||
|
# https://github.com/LemmyNet/lemmy/blob/main/ansible/templates/docker-compose.yml#L40
|
||||||
|
git checkout v0.2.6-r2
|
||||||
|
# or simply add the bin folder to your $PATH
|
||||||
|
$HOME/.cargo/bin/cargo build --release
|
||||||
|
cp target/release/pict-rs /usr/bin/
|
||||||
|
systemctl restart pictrs
|
||||||
|
```
|
||||||
Loading…
Reference in a new issue