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+ <!DOCTYPE html>
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+ <html lang="en" xmlns="http://www.w3.org/1999/xhtml">
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+ <head>
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+ <title>Updated - Install Lemmy Self-Hosted Reddit Alternative on Linux</title>
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+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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+ <meta charset="UTF-8">
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+ <meta name="keywords" content="Browser Based,Home Lab,Home Lab Ideas,Install Guide,Self-Hosted,Lemmy,Link Aggregator,Linux,Reddit,Open Source,Install Lemmy On Linux,Install Lemmy On Debian,Self-hosted Reddit Alternative,Federated Reddit Alternative,Federated Link Aggregator,How To,Tutorial,i12bretro">
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+ <meta name="author" content="i12bretro">
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+ <meta name="description" content="Updated - Install Lemmy Self-Hosted Reddit Alternative on Linux">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <meta name="revised" content="12/19/2022 11:17:54 AM" />
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+ <link rel="icon" type="image/x-icon" href="includes/favicon.ico">
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+ <script type="text/javascript" src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
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+ <script type="text/javascript" src="includes/js/steps.js"></script>
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+ <link href="css/steps.css" rel="stylesheet" type="text/css" />
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+ </head>
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+ <body>
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+ <div id="gridContainer">
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+ <div class="topMargin"></div>
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+ <div id="listName" class="topMargin">
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+ <h1>Updated - Install Lemmy Self-Hosted Reddit Alternative on Linux</h1>
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+ </div>
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+ <div></div>
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+ <div id="content">
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+ <h2>What is Lemmy?</h2>
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+
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+<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>
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+
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+<ol>
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+ <li>Log into the Linux device</li>
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+ <li>Run the following commands in a terminal window
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+ <div class="codeBlock"># update software repositories<br />
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+ sudo apt update<br />
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+ # install available software updates<br />
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+ sudo apt upgrade -y<br />
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+ # install prerequisites<br />
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+ sudo apt install git build-essential gcc libssl-dev pkg-config libpq-dev curl gnupg2 espeak postgresql -y<br />
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+ # enable the postgresql service and start it<br />
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+ sudo systemctl enable postgresql --now<br />
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+ # connect to postgresql<br />
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+ sudo -u postgres psql postgres<br />
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+ # create lemmy database user<br />
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+ create user lemmy with password 'L3mmy' superuser;<br />
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+ # create lemmy database<br />
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+ create database lemmy with owner lemmy;<br />
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+ # close postgresql connection<br />
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+ exit<br />
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+ # add nodejs software repository<br />
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+ curl -sL https://deb.nodesource.com/setup_16.x | sudo bash -<br />
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+ # install nodejs<br />
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+ sudo apt install nodejs -y<br />
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+ # install yarn<br />
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+ sudo npm install -g yarn<br />
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+ # create lemmy user<br />
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+ sudo useradd -m -d /opt/lemmy lemmy<br />
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+ # install rust, enter 1 at the prompt<br />
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+ curl https://sh.rustup.rs -sSf | sh<br />
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+ # configure the shell<br />
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+ source "$HOME/.cargo/env"<br />
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+ # lookup the latest tagged release<br />
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+ regex='\/([0-9|\.]*)<\/id>' && response=$(curl -s https://github.com/LemmyNet/lemmy/releases.atom) && [[ $response =~ $regex ]] && latestTag="${BASH_REMATCH[1]}"<br />
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+ # clone the lemmy git repository<br />
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+ git clone https://github.com/LemmyNet/lemmy.git ./server<br />
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+ # change directory to the source code<br />
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+ cd server<br />
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+ # checkout the latest tag<br />
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+ git checkout $latestTag<br />
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+ # update submodules <br />
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+ git submodule update --init --recursive<br />
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+ # generate a random 32 character string<br />
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+ openssl rand -base64 32<br />
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+ # edit the lemmy config file<br />
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+ nano ./config/config.hjson</div>
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+ </li>
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+ <li>Set the following values in the conf file
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+ <p>database: {<br />
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+  password: L3mmy<br />
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+ }<br />
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+ hostname: <% DNS or IP of host %><br />
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+ bind: "127.0.0.1"<br />
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+ tls_enabled: false<br />
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+ jwt_secret: "<% Random string from above %>"</p>
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+ </li>
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+ <li>Press CTRL+O, Enter, CTRL+X to write the changes</li>
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+ <li>Continue with the following commands
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+ <div class="codeBlock"># set the database connection variable<br />
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+ LEMMY_DATABASE_URL=postgres://lemmy:L3mmy@localhost:5432/lemmy<br />
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+ # build lemmy<br />
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+ cargo build --release<br />
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+ # change directory out of lemmy server<br />
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+ cd ..<br />
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+ # write the version to .txt<br />
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+ echo $latestTag > /tmp/lemmy_version.txt<br />
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+ # move lemmy to /opt/lemmy<br />
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+ sudo mv ./server /opt/lemmy/<br />
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+ # switch user to lemmy<br />
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+ sudo su lemmy<br />
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+ # change directory to lemmy home<br />
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+ cd ~<br />
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+ # print working directory, should output /opt/lemmy<br />
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+ pwd<br />
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+ # clone lemmy frontend<br />
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+ git clone https://github.com/LemmyNet/lemmy-ui.git --recurse-submodules ./lemmy-ui<br />
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+ # change directory to lemmy-ui<br />
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+ cd lemmy-ui<br />
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+ # checkout the latest tag<br />
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+ git checkout $(cat /tmp/lemmy_version.txt)<br />
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+ # update submodules <br />
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+ git submodule update --init --recursive<br />
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+ # install npm dependencies<br />
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+ npm install --force<br />
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+ # build lemmy-ui<br />
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+ yarn build:prod<br />
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+ # exit lemmy shell<br />
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+ exit<br />
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+ # set owner of /opt/lemmy<br />
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+ sudo chown lemmy:lemmy /opt/lemmy/ -R<br />
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+ # create lemmy service file<br />
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+ sudo nano /etc/systemd/system/lemmy.service</div>
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+ </li>
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+ <li>Paste the following configuration into lemmy.service
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+ <p>[Unit]<br />
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+ Description=Lemmy</p>
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+
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+ <p>[Service]<br />
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+ User=lemmy<br />
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+ Group=lemmy<br />
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+ Environment=LEMMY_DATABASE_URL=postgres://lemmy:L3mmy@localhost:5432/lemmy<br />
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+ ExecStart=/opt/lemmy/server/target/release/lemmy_server<br />
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+ WorkingDirectory=/opt/lemmy/server</p>
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+
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+ <p>[Install]<br />
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+ WantedBy=multi-user.target</p>
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+ </li>
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+ <li>Press CTRL+O, Enter, CTRL+X to write the changes</li>
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+ <li>Continue with the following commands
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+ <div class="codeBlock"># create lemmy-ui service bash file<br />
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+ sudo nano /opt/lemmy/lemmy-ui/lemmy-ui.sh</div>
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+ </li>
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+ <li>Paste the following configuration into lemmy-ui.sh
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+ <p>#!/usr/bin/bash<br />
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+ /usr/bin/node /opt/lemmy/lemmy-ui/dist/js/server.js</p>
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+ </li>
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+ <li>Continue with the following commands
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+ <div class="codeBlock"># make lemmy-ui.sh executable<br />
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+ sudo chmod +x /opt/lemmy/lemmy-ui/lemmy-ui.sh<br />
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+ # create lemmy service file<br />
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+ sudo nano /etc/systemd/system/lemmy-ui.service</div>
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+ </li>
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+ <li>Paste the following configuration into lemmy-ui.service
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+ <p>[Unit]<br />
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+ Description=Lemmy-UI</p>
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+
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+ <p>[Service]<br />
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+ ExecStart=/opt/lemmy/lemmy-ui/lemmy-ui.sh<br />
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+ Restart=always<br />
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+ User=lemmy<br />
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+ Group=lemmy<br />
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+ Environment=PATH=/usr/bin:/usr/local/bin<br />
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+ Environment=NODE_ENV=production<br />
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+ WorkingDirectory=/opt/lemmy/lemmy-ui</p>
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+
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+ <p>[Install]<br />
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+ WantedBy=multi-user.target</p>
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+ </li>
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+ <li>Press CTRL+O, Enter, CTRL+X to write the changes</li>
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+ <li>Continue with the following commands
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+ <div class="codeBlock"># reload systemd services<br />
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+ sudo systemctl daemon-reload<br />
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+ # start lemmy service on boot and now<br />
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+ sudo systemctl enable lemmy --now<br />
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+ # start lemmy-ui service on boot and now<br />
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+ sudo systemctl enable lemmy-ui --now</div>
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+ </li>
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+ <li>Open a web browser and navigate to http://DNSorIP:1234</li>
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+ <li>Enter a username, email and password to create a site administrator account > Click Sign Up</li>
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+ <li>Enter a site name and any additional optional values > Click Create</li>
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+ <li>Welcome to Lemmy</li>
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+</ol>
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+
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+<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 />
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+<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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+ </div>
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+ </body>
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+ </html>
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+
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i12bretro