title: How to append a line at the end of /etc/sudoers file using shell script (without using pssh tool)
body: <p>I want to append a few lines at the end of /etc/sudoers file.
  Below is an example of lines I want to append.</p>
  
  <pre><code>nagios ALL = NOPASSWD: /bin/su - root -c /etc/init.d/crond status
  nagios ALL = NOPASSWD: /bin/su - hadoop -c hadoop dfsadmin -safemode get
  nagios ALL = NOPASSWD: /bin/su - hadoop -c klist
  </code></pre>
  
  <p>Can anyone suggest how to append this using a shell script?</p>