title: Sed replacing string with quotation marks
body: <p>I'm kinda new to Linux and Bash.</p>
  
  <p>I'm trying to replace a line with another one and i don't know how to use sed right:</p>
  
  <p>old line: </p>
  
  <pre><code>"certificate_path": "/etc/ajenti/ajenti.pem"
  </code></pre>
  
  <p>new line: </p>
  
  <pre><code>"certificate_path": "/etc/nginx/ssl/xyz-combined.pem"
  </code></pre>
  
  <p>I tried:</p>
  
  <pre><code>sed -i '26s/.*//etc/nginx/ssl/xyz.de-combined.pem"/' /etc/ajenti/config.json
  </code></pre>
  
  <p>best regards,
  Aeris</p>