doc/build/ubuntu12LTS_install.frag - diff

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-version 1.4, 2021/03/17 03:21:24
+version 1.5, 2022/03/26 19:00:51
  Line 138  sudo apt-get update
  <p> Execute: </p>
  <pre>
  sudo apt-get install python-software-properties
- sudo apt-add-repository 'deb http://install.loncapa.org/ubuntu precise main'
+ sudo add-apt-repository 'deb http://install.loncapa.org/ubuntu precise main'
  </pre>
  <p>
  You can display which repositories are currently enabled by using:
  </p>
  <pre>
- sudo apt-cache policy
+ grep '^deb ' /etc/apt/sources.list |grep ' precise '
+ </pre>
+ <p>The output should contain:</p>
+ <pre>
+ deb http://us.archive.ubuntu.com/ubuntu precise main
+ deb http://us.archive.ubuntu.com/ubuntu precise universe
+ deb http://install.loncapa.org/ubuntu precise 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 for LON-CAPA, by using:</p>
+ <pre>
+ sudo add-apt-repository --remove restricted
+ sudo add-apt-repository --remove multiverse
  </pre>
  <h3>Install prerequisites</h3>
  <p> Execute: </p>