title: adb remount fails - mount: 'system' not in /proc/mounts
body: <p>I tried all the commands and suggestions available in stackoverflow and online but none worked</p>
  
  <ul>
  <li><a href="https://stackoverflow.com/a/13366444/1441666">https://stackoverflow.com/a/13366444/1441666</a></li>
  <li><a href="https://stackoverflow.com/a/28018008">https://stackoverflow.com/a/28018008</a></li>
  </ul>
  
  <p>and many more but nothing works for me</p>
  
  <p>I am getting below error - None of below commands are working.</p>
  
  <pre><code>$adb root
  $adb disable-verity
  </code></pre>
  
  <p>For </p>
  
  <pre><code>$adb remount
  remount of / failed: Permission denied
  remount failed
  </code></pre>
  
  <p>So then I tried with different commands like</p>
  
  <pre><code>$ adb shell mount -o rw,remount /system
  mount: '/system' not in /proc/mounts
  
  $ adb shell mount -o rw,remount /
  '/dev/root' is read-only
  
  
  $ adb shell  mount -o rw,remount -t /dev/block/stl12 system
  mount: 'system' not in /proc/mounts
  
  $ adb shell "su 0 mount -o rw,remount /system"
  mount: '/system' not in /proc/mounts
  
  $ adb shell
  $ su
  # mount -o rw,remount /system
  
   mount: '/system' not in /proc/mounts
  </code></pre>