title: create new mount point in ubuntu
body: <p>I have already installed ubuntu in one of my server and it looks like below</p>
  
  <pre><code>udev            7.2G     0  7.2G   0% /dev
  tmpfs           1.5G   41M  1.4G   3% /run
  /dev/vda1        99G  4.6G   89G   5% /
  tmpfs           7.2G  4.0K  7.2G   1% /dev/shm
  tmpfs           5.0M     0  5.0M   0% /run/lock
  tmpfs           7.2G     0  7.2G   0% /sys/fs/cgroup
  /dev/vdb1       443G   71M  421G   1% /home
  tmpfs           1.5G     0  1.5G   0% /run/user/1001
  </code></pre>
  
  <p>Here i want to create a new mount point called "/app" from the storage of "/home"</p>
  
  <p>How can i do this in ubuntu server?</p>