VMware ESXi 6.0 to 6.5 upgrade
###### Step 0: Enable SSH and connect to your ESXi host via Putty (or alternative)
###### Step 1: Enable firewall rule (allow) for web traffic
esxcli network firewall ruleset set -e true -r httpClient
###### Step 2: Run this command to see the VMware online depot and the different profiles you can upgrade from.
esxcli software sources profile list -d https://hostupdate.vmware.com/software/VUM/PRODUCTION/main/vmw-depot-index.xml | grep -i ESXi-6.5
###### Step 3: Run the upgrade with this command:
esxcli software profile update -p ESXi-6.5.0-20170404001-standard -d https://hostupdate.vmware.com/software/VUM/PRODUCTION/main/vmw-depot-index.xml
###### Step 4: Diable firewall rule (allow) for web traffic
esxcli network firewall ruleset set -e false -r httpClient