title: Coruppted Jenkins need to reinstall
body: <p>My jenkins looks like corrupted. After installing older version I tried to upgrade. When I tried</p>
  
  <pre><code>wget -q -O - http://pkg.jenkins-ci.org/debian/jenkins-ci.org.key | sudo apt-key add -
  sudo sh -c 'echo deb http://pkg.jenkins-ci.org/debian binary/ &gt; /etc/apt/sources.list.d/jenkins.list'
  sudo apt-get update
  sudo apt-get install jenkins
  </code></pre>
  
  <p>It was failed to upgrade. Then I removed jenkins using</p>
  
  <pre><code>sudo apt-get remove jenkins
  </code></pre>
  
  <p>And again I tried to install.It is giving</p>
  
  <pre><code>    Reading package lists... Done
  Building dependency tree       
  Reading state information... Done
  jenkins is already the newest version.
  The following packages were automatically installed and are no longer required:
    libjna-java libhttpcore-java libxbean-java libargs4j-java libhttpclient-java
    libplexus-build-api-java libbackport-util-concurrent-java
    libplexus-utils-java libjffi-java libjffi-jni
    libmaven-common-artifact-filters-java libjsr305-java libcommons-jexl-java
    libplexus-bsh-factory-java libplexus-container-default-java
    libganymed-ssh2-java jenkins-cli libplexus-sec-dispatcher-java
    libcommons-net2-java libjsoup-java libmaven2-core-java libplexus-cipher-java
    libjenkins-remoting-java libeasymock-java libplexus-i18n-java
    libmaven-invoker-java libplexus-containers-java libjaffl-java libdoxia-java
    libmaven-dependency-tree-java libmodello-java libplexus-archiver-java
    libconstantine-java libmaven-scm-java libmaven-enforcer-plugin-java
    libplexus-io-java libwagon-java libcommons-vfs-java libanimal-sniffer-java
    libgoogle-collections-java libnetbeans-cvsclient-java
    libmaven-plugin-testing-java libplexus-classworlds-java libitext1-java
    libplexus-interactivity-api-java libcommons-jxpath-java jenkins-common
    libplexus-interpolation-java libclassworlds-java
    libcommons-configuration-java libjnr-posix-java libplexus-ant-factory-java
  Use 'apt-get autoremove' to remove them.
  0 upgraded, 0 newly installed, 0 to remove and 513 not upgraded.
  </code></pre>
  
  <p>But <code>service jenkins restart</code> command throwing</p>
  
  <pre><code>jenkins: unrecognized service
  </code></pre>
  
  <p>Even <code>http://localhost:8080/</code> not working.</p>
  
  <p>I want to install from beginning . Any suggestions?</p>