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+ <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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+ <html lang="en" xmlns="http://www.w3.org/1999/xhtml">
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+ <head>
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+ <title>Host Your Own draw.io, Visio style diagram maker</title>
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+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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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">
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+ $(function(){
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+ $('textarea').each(function(i,e){
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+ theTextarea = $(this);
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+ theTextarea.height((theTextarea[0].scrollHeight-5) +'px');
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+ });
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+
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+ $('li').each(function(i,e){
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+ var uuid = 'li_' + Math.floor(Math.random() * Math.floor(1000000)).toString() + '_' + i.toString();
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+ $(this).contents().wrap('<span id="'+ uuid +'"><label for="cb_'+ uuid +'"></label></span>');
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+ $(this).prepend('<input type="checkbox" class="completeBox" id="cb_' + uuid +'" rel="'+ uuid +'" />')
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+ });
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+
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+ $('code,div.codeBlock,textarea.codeBlock').each(function(i,e){
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+ theElement = $(this);
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+ var lines = theElement.html().split("\n");
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+ theElement.empty();
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+ for(l=0;l<lines.length;l++){
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+ if($.trim(lines[l]) != '' && $.trim(lines[l]).substr(0,1) != '#' && $.trim(lines[l]).indexOf(' #') == -1 && lines[l].substr(0, 4).toUpperCase() != 'REM '){
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+ theElement.append('<input type="image" src="images/clipboard.png" value="" class="copy-text" rel="copy_'+ i +'_'+ l +'" data-clipboard-text="'+ lines[l].replace(/"/g, '"') +'" /><span id="copy_'+ i +'_'+ l +'">'+ lines[l] +'</span>');
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+ } else {
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+ theElement.append(lines[l]);
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+ }
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+ }
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+ });
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+
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+ $(document).on('click','input.copy-text',function(){
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+ theButton = $(this);
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+ $('input.copy-text').attr('src','images/clipboard.png');
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+ $('span.copy-animation').removeClass('copy-animation');
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+ try {
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+ $('#'+ theButton.attr('rel')).addClass('copy-animation');
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+ navigator.clipboard.writeText(theButton.data('clipboard-text').replace(/<[^>]*>?/gm, ''));
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+ theButton.attr('src','images/clipboard_active.png');
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+ } catch(err) {
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+ }
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+ return false;
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+ });
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+
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+ $(document).on('click','input.completeBox',function(){
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+ theBox = $(this);
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+ $('#'+ theBox.attr('rel')).addClass('strikethrough');
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+ theBox.prop('disabled',true);
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+ theBox.parent('li').prevAll().each(function(i,e){
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+ theLI = $(this);
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+ if(theLI.find('input[type=checkbox]').not(':checked')){
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+ $('#'+ theLI.find('input[type=checkbox]').attr('rel')).addClass('strikethrough');
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+ theLI.find('input[type=checkbox]').prop('checked',true).prop('disabled',true);
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+ }
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+ });
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+ });
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+
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+ if(window.self !== window.top){
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+ window.parent.$('iframe.stepsFrame').height((this['scrollingElement']['scrollHeight']+20) +'px');
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+ }
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+ });
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+ </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>Host Your Own draw.io, Visio style diagram maker</h1>
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+ </div>
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+ <div></div>
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+ <div id="content">
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+ <h2>Install Apache Tomcat</h2>
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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:
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+ <div class="codeBlock"># check for and install software updates<br />
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+ sudo apt update<br />
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+ sudo apt upgrade<br />
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+ # install java jdk<br />
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+ sudo apt install default-jdk<br />
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+ # create tomcat group and user<br />
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+ sudo mkdir /var/lib/tomcat9<br />
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+ sudo groupadd tomcat<br />
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+ sudo useradd -s /bin/false -g tomcat -d /var/lib/tomcat9 tomcat<br />
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+ # download and extract tomcat 9<br />
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+ curl -O https://downloads.apache.org/tomcat/tomcat-9/v9.0.39/bin/apache-tomcat-9.0.39.tar.gz<br />
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+ sudo tar xzvf apache-tomcat-9*tar.gz -C /var/lib/tomcat9 --strip-components=1<br />
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+ # set permissions <br />
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+ cd /var/lib/tomcat9<br />
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+ sudo chgrp -R tomcat /var/lib/tomcat9<br />
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+ sudo chmod -R g+r conf<br />
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+ sudo chmod g+x conf<br />
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+ sudo chown -R tomcat webapps/ work/ temp/ logs/<br />
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+ # run tomcat as a service<br />
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+ sudo update-java-alternatives -l<br />
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+ sudo nano /etc/systemd/system/tomcat.service</div>
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+ </li>
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+ <li>Paste the following configuration into tomcat.service
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+ <p>[Unit]<br />
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+ Description=Apache Tomcat<br />
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+ After=network.target</p>
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+
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+ <p>[Service]<br />
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+ Type=forking</p>
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+
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+ <p>Environment=JAVA_HOME=/usr/lib/jvm/java-1.11.0-openjdk-amd64<br />
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+ Environment=CATALINA_PID=/var/lib/tomcat9/temp/tomcat.pid<br />
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+ Environment=CATALINA_HOME=/var/lib/tomcat9<br />
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+ Environment=CATALINA_BASE=/var/lib/tomcat9<br />
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+ Environment='CATALINA_OPTS=-Xms512M -Xmx1024M -server -XX:+UseParallelGC'<br />
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+ Environment='JAVA_OPTS=-Djava.awt.headless=true -Djava.security.egd=file:/dev/./urandom'</p>
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+
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+ <p>ExecStart=/var/lib/tomcat9/bin/startup.sh<br />
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+ ExecStop=/var/lib/tomcat9/bin/shutdown.sh</p>
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+
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+ <p>User=tomcat<br />
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+ Group=tomcat<br />
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+ UMask=0007<br />
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+ RestartSec=10<br />
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+ Restart=always</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>Continue with the following commands in terminal:
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+ <div class="codeBlock">sudo systemctl daemon-reload<br />
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+ sudo systemctl start tomcat<br />
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+ sudo systemctl status tomcat<br />
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+ sudo systemctl enable tomcat</div>
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+ </li>
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+ <li>Open a browser and navigate to http://DNSorIP:8080 to test that Tomcat is installed and running</li>
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+</ol>
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+
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+<h2>Installing jGraph/mxGraph from draw.io</h2>
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+
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+<ol>
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+ <li>Run the following commands in terminal:
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+ <div class="codeBlock"># download the draw.war file<br />
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+ cd ~<br />
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+ wget https://github.com/jgraph/drawio/releases/download/v13.8.0/draw.war<br />
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+ # copy draw.war to the tomcat webapps directory<br />
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+ sudo cp ./draw.war /var/lib/tomcat9/webapps</div>
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+ </li>
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+ <li>Back in the browser, navigate to http://DNSorIP:8080/draw</li>
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+ <li>Enjoy a self-hosted diagram creation studio in your web browser</li>
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+</ol>
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+
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+<p>Source: <a href="https://github.com/jgraph/drawio" target="_blank">https://github.com/jgraph/drawio</a></p>
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+ </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