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- <title>Install Lemmy Self-Hosted Reddit Alternative on Linux</title>
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- <h1>Install Lemmy Self-Hosted Reddit Alternative on Linux</h1>
- </div>
- <div></div>
- <div id="content">
- <h2>What is Lemmy?</h2>
- <p><em>Lemmy is an open-source, federated link aggregator similar to Reddit and built with Rust.</em> -<a href="https://lemmy.ml/" target="_blank">https://lemmy.ml/</a></p>
- <ol>
- <li>Log into the Linux device</li>
- <li>Run the following commands in a terminal window
- <div class="codeBlock"># update software repositories<br />
- sudo apt update<br />
- # install available software updates<br />
- sudo apt upgrade -y<br />
- # install prerequisites<br />
- sudo apt install git build-essential gcc libssl-dev pkg-config libpq-dev curl gnupg2 espeak postgresql -y<br />
- # enable the postgresql service and start it<br />
- sudo systemctl enable postgresql --now<br />
- # connect to postgresql<br />
- sudo -u postgres psql postgres<br />
- # create lemmy database user<br />
- create user lemmy with password 'L3mmy' superuser;<br />
- # create lemmy database<br />
- create database lemmy with owner lemmy;<br />
- # close postgresql connection<br />
- exit<br />
- # add nodejs software repository<br />
- curl -sL https://deb.nodesource.com/setup_16.x | sudo bash -<br />
- # install nodejs<br />
- sudo apt install nodejs -y<br />
- # install yarn<br />
- sudo npm install -g yarn<br />
- # create lemmy user<br />
- sudo useradd -m -d /opt/lemmy lemmy<br />
- # install rust, enter 1 at the prompt<br />
- curl https://sh.rustup.rs -sSf | sh<br />
- # configure the shell<br />
- source $HOME/.cargo/env<br />
- # clone the lemmy git repository<br />
- git clone https://github.com/LemmyNet/lemmy.git ./server<br />
- # change directory to the source code<br />
- cd server<br />
- # build lemmy<br />
- cargo build --release<br />
- # change directory out of lemmy server<br />
- cd ..<br />
- # move lemmy to /opt/lemmy<br />
- sudo mv ./server /opt/lemmy/<br />
- # switch user to lemmy<br />
- sudo su lemmy<br />
- # change directory to lemmy home<br />
- cd ~<br />
- # print working directory, should output /opt/lemmy<br />
- pwd<br />
- # clone lemmy frontend<br />
- git clone https://github.com/LemmyNet/lemmy-ui.git --recurse-submodules ./lemmy-ui<br />
- # change directory to lemmy-ui<br />
- cd lemmy-ui<br />
- # clean npm cache<br />
- npm cache clean --force<br />
- # install npm dependencies<br />
- npm install<br />
- # fix npm vulnerabilities<br />
- npm audit fix<br />
- # build lemmy-ui<br />
- yarn build:prod<br />
- # exit lemmy shell<br />
- exit<br />
- # create lemmy service file<br />
- sudo nano /etc/systemd/system/lemmy.service</div>
- </li>
- <li>Paste the following configuration into lemmy.service
- <p>[Unit]<br />
- Description=Lemmy</p>
- <p>[Service]<br />
- User=lemmy<br />
- Group=lemmy<br />
- Environment=LEMMY_DATABASE_URL=postgres://lemmy:L3mmy@localhost:5432/lemmy<br />
- ExecStart=/opt/lemmy/server/target/release/lemmy_server<br />
- WorkingDirectory=/opt/lemmy/server</p>
- <p>[Install]<br />
- WantedBy=multi-user.target</p>
- </li>
- <li>Press CTRL+O, Enter, CTRL+X to write the changes</li>
- <li>Continue with the following commands
- <div class="codeBlock"># create lemmy-ui service bash file<br />
- sudo nano /opt/lemmy/lemmy-ui/lemmy-ui.sh</div>
- </li>
- <li>Paste the following configuration into lemmy-ui.sh
- <p>#!/usr/bin/bash<br />
- /usr/bin/node /opt/lemmy/lemmy-ui/dist/js/server.js</p>
- </li>
- <li>Continue with the following commands
- <div class="codeBlock"># make lemmy-ui.sh executable<br />
- sudo chmod +x /opt/lemmy/lemmy-ui/lemmy-ui.sh<br />
- # create lemmy service file<br />
- sudo nano /etc/systemd/system/lemmy-ui.service</div>
- </li>
- <li>Paste the following configuration into lemmy-ui.service
- <p>[Unit]<br />
- Description=Lemmy-UI</p>
- <p>[Service]<br />
- ExecStart=/opt/lemmy/lemmy-ui/lemmy-ui.sh<br />
- Restart=always<br />
- User=lemmy<br />
- Group=lemmy<br />
- Environment=PATH=/usr/bin:/usr/local/bin<br />
- Environment=NODE_ENV=production<br />
- WorkingDirectory=/opt/lemmy/lemmy-ui</p>
- <p>[Install]<br />
- WantedBy=multi-user.target</p>
- </li>
- <li>Press CTRL+O, Enter, CTRL+X to write the changes</li>
- <li>Continue with the following commands
- <div class="codeBlock"># reload systemd services<br />
- sudo systemctl daemon-reload<br />
- # start lemmy service on boot and now<br />
- sudo systemctl enable lemmy --now<br />
- # start lemmy-ui service on boot and now<br />
- sudo systemctl enable lemmy-ui --now</div>
- </li>
- <li>Open a web browser and navigate to http://DNSorIP:1234</li>
- <li>Enter a username, email and password to create a site administrator account > Click Sign Up</li>
- <li>Enter a site name and any additional optional values > Click Create</li>
- <li>Welcome to Lemmy</li>
- </ol>
- <p>Sources: <a href="https://join-lemmy.org/docs/en/contributing/local_development.html" target="_blank">https://join-lemmy.org/docs/en/contributing/local_development.html</a>,<br />
- <a href="https://join-lemmy.org/docs/en/administration/from_scratch.html" target="_blank">https://join-lemmy.org/docs/en/administration/from_scratch.html</a></p>
- </div>
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