I recently had to install ESXi onto a server without a cdrom drive fitted, the quickest and easiest method for me to do this was installing ESXi using VMware Player or Workstation and installing it directly onto the USB key.
Category: ESXi
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ESXi 5.1u1 Upgrade in 7 Steps
So with the release of ESXi 5.1 Update 1 last week it meant I needed to upgrade my home lab environment, using the following steps allowed me to do this really quickly and with little fuss.
1. Place the Host into Maintenance Mode and ensure that there are no running VM’s on the host.
2. Ensure you have SSH enabled
3. Make sure that the Outbound HTTP rule is enabled, either by using the console or via the command line later on (command line is esxcli network firewall ruleset set -e true -r httpClient )