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version 1.1, 2018/06/20 12:37:53 version 1.7, 2022/03/26 19:00:51
Line 55  DHCP is <em>not</em> supported. Line 55  DHCP is <em>not</em> supported.
   
 <h2>3. <a name="lin">Ubuntu 18.04 LTS installation</a></h2>  <h2>3. <a name="lin">Ubuntu 18.04 LTS installation</a></h2>
 <p>  <p>
 Installing Ubuntu Linux is easy.  Installing Ubuntu Linux is straightforward.
 Documentation is available from  Documentation is available from
 <a href="https://help.ubuntu.com/community/Installation">https://help.ubuntu.com/community/Installation/</a>  <a href="https://help.ubuntu.com/community/Installation">https://help.ubuntu.com/community/Installation/</a>
 Most of the installation screens are self explanatory.  Most of the installation screens are self explanatory.
Line 93  Use ufw to allow incoming traffic for th Line 93  Use ufw to allow incoming traffic for th
 ssh, www, https  ssh, www, https
 </p>  </p>
 <pre>  <pre>
   sudo apt-get install ufw
 sudo ufw default deny  sudo ufw default deny
 sudo ufw enable  sudo ufw enable
 sudo ufw allow ssh  sudo ufw allow ssh
Line 125  sudo apt-get upgrade Line 126  sudo apt-get upgrade
 <p>  <p>
 If kernel packages were updated, reboot your system before continuing with the installation.  If kernel packages were updated, reboot your system before continuing with the installation.
 </p>  </p>
 <p>  
 Add LON-CAPA ubuntu repository to your /etc/apt/sources.list file.   
 </p>  
 <pre>  
 sudo apt-get install software-properties-common  
 sudo apt-add-repository 'deb http://install.loncapa.org/ubuntu bionic main'  
 </pre>  
 <h2>5. <a name="ilc">Installing LON-CAPA</a></h2>  <h2>5. <a name="ilc">Installing LON-CAPA</a></h2>
 <h3>Import the LON-CAPA encryption key</h3>  <h3>Import the LON-CAPA encryption key</h3>
 <pre>  <pre>
 wget http://install.loncapa.org/versions/ubuntu/APT-GPG-KEY-loncapa.asc  wget http://install.loncapa.org/versions/ubuntu/APT-GPG-KEY-loncapa.asc
 sudo apt-get install gpg  sudo apt-get install add-apt-key gpg
 sudo apt-key add APT-GPG-KEY-loncapa.asc  sudo apt-key add APT-GPG-KEY-loncapa.asc
 sudo apt-get update  </pre>
   <h3>Add LON-CAPA ubuntu repository to /etc/apt/sources.list</h3>
   <p> Execute: </p>
   <pre>
   sudo apt-get install software-properties-common
   sudo add-apt-repository 'deb http://install.loncapa.org/ubuntu bionic main'
   </pre>
   <p>
   You can display which repositories are currently enabled by using:
   </p>
   <pre>
   grep '^deb ' /etc/apt/sources.list |grep ' bionic '
   </pre>
   <p>The output should contain:</p>
   <pre>
   deb http://us.archive.ubuntu.com/ubuntu bionic main
   deb http://us.archive.ubuntu.com/ubuntu bionic universe
   deb http://install.loncapa.org/ubuntu bionic main
   </pre>
   <p>If the Ubuntu universe repository is absent it can be added using:</p>
   <pre>
   sudo add-apt-repository universe
   </pre>
   <p>If other Ubuntu repositories, e.g., restricted and multiverse are enabled, 
   you can disable them, as they are not needed to install LON-CAPA, by using:</p>
   <pre>
   sudo add-apt-repository --remove restricted
   sudo add-apt-repository --remove multiverse
 </pre>  </pre>
 <h3>Install prerequisites</h3>  <h3>Install prerequisites</h3>
 <p> Execute: </p>  <p> Execute: </p>
Line 176  execute the setup script with the follow Line 197  execute the setup script with the follow
 <pre>  <pre>
 cd installation  cd installation
 sudo ./install.pl  sudo ./install.pl
   
 </pre>  </pre>
 <p>  <p>
 The script is used to prepare a Linux system to run LON-CAPA, and can also be  The script is used to prepare a Linux system to run LON-CAPA, and can also be
Line 246  for it to function at all.  Below is a l Line 266  for it to function at all.  Below is a l
   
 <h3>Configuring LON-CAPA</h3>  <h3>Configuring LON-CAPA</h3>
 <p>  <p>
 To configure and install LON-CAPA, become root and execute the following commands:  To configure and install LON-CAPA, execute the following commands:
 </p>  </p>
 <pre>  <pre>
 sudo -i  cd ../loncapa-X.Y.Z  (X.Y.Z should correspond to a version number like '2.11.3')
 cd /root/loncapa-X.Y.Z     (X.Y.Z should correspond to a version number like '2.12.0')  sudo ./UPDATE
 ./UPDATE  
 </pre>  </pre>
 <p>  <p>
 You will need to enter the LON-CAPA configuration information you determined   You will need to enter the LON-CAPA configuration information you determined 
Line 267  invoked below requires that you enter th Line 286  invoked below requires that you enter th
 Replace USERNAME and DOMAIN with an appropriate username and your domain.  Replace USERNAME and DOMAIN with an appropriate username and your domain.
 </p>  </p>
 <pre>  <pre>
 cd /root/loncapa-X.Y.Z/loncom/build  cd loncom/build
 sudo perl make_domain_coordinator.pl USERNAME DOMAIN  sudo perl make_domain_coordinator.pl USERNAME DOMAIN
   cd
 </pre>  </pre>
   
 <h2>7. <a name="sts">Start/Restart Services</a></h2>  <h2>7. <a name="sts">Start/Restart Services</a></h2>
 <p>  <p>
 The LON-CAPA network services take a moment to start.  Most misconfigurations  The LON-CAPA network services take a moment to start.  Most misconfigurations
 will be apparent at this step. Lastly, exit from root status to resume use of your regular account.  will be apparent at this step.
 </p>  </p>
 <pre>  <pre>
 /etc/init.d/loncontrol start  sudo /home/httpd/perl/loncontrol start
 /etc/init.d/apache2 restart  sudo systemctl restart apache2
 exit  exit
 </pre>  </pre>
 <p>  <p>
Removed from v.1.1  
changed lines
  Added in v.1.7

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