title: qemu-system-arm -redir invalid option
body: <p>Trying to follow <a href="https://azeria-labs.com/emulate-raspberry-pi-with-qemu/" rel="noreferrer">https://azeria-labs.com/emulate-raspberry-pi-with-qemu/</a> to set up the lab. The following command is giving an error</p>
  
  <pre><code>qemu-system-arm -kernel '/root/Documents/Raspbian qemu/qemu-rpi-kernel-master/kernel-qemu-4.4.34-jessie' -cpu arm1176 -m 256 -M versatilepb -serial stdio -append "root=/dev/sda2 rootfstype=ext4 rw" -hda '/root/Documents/Raspbian qemu/2017-04-10-raspbian-jessie.img' -redir tcp:5022::22 -no-reboot
  
  qemu-system-arm: -redir: invalid option
  </code></pre>