You can review ESXi 5.1 and 5.5 host log files using these methods, Direct Console User Interface (DCUI), ESXi Shell, extracted vm-support log bundles, vSphere Web Client, or using a web browser, such as Safari on iOS 7, as shown in the 2 minute video below.
For a nice listing of the ESXi log files and descriptions of each, see:
You can review ESXi 5.1 and 5.5 host log files using these methods:
- From the Direct Console User Interface (DCUI). For more information, see About the Direct Console ESXi Interface in the vSphere 5.5 Installation and Setup Guide.
- From the ESXi Shell. For more information, see the Log In to the ESXi Shell section in the vSphere 5.5 Installation and Setup Guide.
- Using a web browser at
https:// HostnameOrIPAddress/host. For more information, see the HTTP Access to vSphere Server Files section.
- Within an extracted
vm-supportlog bundle. For more information, see Export System Log Files in the vSphere Monitoring and Performance Guide or Collecting diagnostic information for VMware ESX/ESXi using the vm-support command (1010705).
- From the vSphere Web Client. For more information, see Viewing Log Files with the Log Browser in the vSphere Web Client in the vSphere Monitoring and Performance Guide.
ESXi 5.1 Host Log Files
Logs for an ESXi 5.1 host are grouped according to the source component:
(click here for the full list)
You can authenticate with your ESXi host's root credentials to view those log files from any browser-enabled device over encrypted https. In my home lab, I used iOS 7 running on an iPhone 5, with local network access to my home lab's ESXi 5.5 host, seen below.
VMware vSphere 5.5 Documentation Center "View System Logs on an ESXi Host"