→Investigation 2: How to Add a PV to an existing VG (Command Line Method)
#* Confirm that the VG is now larger (<code>pvs, vgs</code>).
#* Extend the root filesystem using the new space (<code>lvextend</code>).
#* Confirm that you were successful (<code>lvs, df -h</
# You are going to only write in your Lab4 Log-book the Linux commands to perform the same operation that you did graphically in Investigation #1.