ESXi Log Files

ESXi log files are very important when troubleshooting issues within the virtual environment. The following table shows the location and purpose of each log file.

Log File Name Details
/var/log/vmkernel Vmkernel Records activities related to the virtual machines and ESX host
/var/log/vmkwarning Vmkernel Warnings A copy of everything marked as a warning or higher severity from vmkernel log. Easier to look through than vmkernel log
/var/log/vmksummary Vmkernel Summary Used for avaialability and uptime statistics. Human-readable summary in vmksummary.txt
/var/log/vmware/hostd.log Host Agent Log Contains information on the agent that manages and configures the ESX host and its virtual machines
/var/log/vmware/vpx VirtualCenter Agent Contains information on the agent that communicates with VirtualCenter
/var/log/messages Service Console Log from the Linux kernel. Useful for underlying Linux issues. The kernel has no awareness of VMs running on the VMkernel
/var/log/vmware/esxcfg-boot.log ESX Boot Log ESX Boot log, logs all ESX boot events
/var/log/vmware/webAccess Web Access Records information on Web-based access to ESX Server
/var/log/secure Authentication Log Contains records of connections that require authentication, such as VMware daemons and actions initiated by the xinetd daemon
/var/log/vmware/esxcfg-firewall.log ESX Firewall Log Contains all firewall rule events
/var/log/vmware/aam High Availability Log Contains information related to the High Availability (HA) service
/var/log/vmware/esxupdate.log ESX Update Log Logs all updates completed using the esxupdate tool


Check last 10 logs

tail /var/log/messages

View in real time

tail -f /var/log/messages

Check Also

VMware ESXi step-by-step Installation Guide with Screenshots

The following article would cover VMware ESXi Step-by-step Installation guide with screenshots. VMware ESXi comes with a 60 days evaluation mode, however there is also a Free version available as well.

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