ESXi Standalone update / Patch without update Manager

Easy way to update standalone ESXi host via command line. 

• Use vSphere Client to connect to your ESXi host (or vCenter server)

•  Browse a VMFS datastore (e.g. the local ESXi VMFS datastore if it has one)
•  Upload your VMware ESXi update/patch (.zip file) to the VMFS datastore
•  Put your host in maintenance mode (VMs will need to be powered off or  vMotioned to other hosts if in a cluster)
•  SSH to the ESXi server and login as "root".
•  Verify the ESXi version and build details using vmware -v 

• Install the update using esxcli command

Command :  esxcli software vib install -d  /vmfs/volumes/datastore info/ESXi550-201501001.zip

      

• Reboot the ESXi server
• After reboot Exit Maintenance mode
• Power on or if DRS is enable all the VM's has been migrate using vMotion.