quick way to upgrade a host with no vCenter (or when it’s down, like a home lab all in one)
esxcli network firewall ruleset set -e true -r httpClient esxcli software sources profile list -d https://hostupdate.vmware.com/software/VUM/PRODUCTION/main/vmw-depot-index.xml esxcli software profile update -d https://hostupdate.vmware.com/software/VUM/PRODUCTION/main/vmw-depot-index.xml -p ESXi-5.5.0-20141204001-standard