I’m using a standalone Mac Mini with VMware vSphere (ESXi) on it. So for that reason I’m not able to use the update manager to upgrade the host. Last week I’ve upgraded version 6.5 to v6.5 update 1. See this blog for details about how to do that. The one-liner to use via SSH is:

esxcli software profile update -d https://hostupdate.vmware.com/software/VUM/PRODUCTION/main/vmw-depot-index.xml -p ESXi-6.5.0-20170702001-standard

After a reboot you should be able to run vSphere 6.5 update 1 (with an upgraded new web=interface on https://<ip>/ui).

In my case I had an error with updating. There seemed to be to less space on the USB stick I’m booting from. The error message wasn’t clear about this. After rebooting the ESX-host and trying again, it gave me this error.

 [InstallationError]
 [Errno 28] No space left on device
       vibs = VMware_locker_tools-light_6.5.0-0.23.5969300
 Please refer to the log file for more details.

The solution was to change the default swap location via the web-interface (Host > Manage > System > Swap from ‘Datastore: none’ to ‘Datastore: LocalSSD’ (LocalSSD is just my name. It can differ in your set-up.