How to check CPU microcode revision in ESXi

You can check CPU microcode revision on running ESXi host this easy way. Open SSH session to host and then open vsish

[root@esxi:~]
vsish -e cat /hardware/cpu/cpuList/0 | grep -i -E 'family|model|stepping|microcode|revision'

Sample output:

Family:6
Model:158
Stepping:11
Number of microcode updates:1
Original Revision:0x0000008e
Current Revision:0x000000b4

Source:https://blogs.vmware.com/vsphere/2015/05/using-esxi-6-0-cpu-microcode-loading-feature.html, https://www.thomas-krenn.com/de/wiki/Intel_Microcode_unter_VMware_aktualisieren

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