Quick tip: How to query CPU microcode revision on a ESXi

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SSH to the ESXi host and execute the following command:

<br /> vsish -e cat /hardware/cpu/cpuList/0 | grep -i -E 'family|model|stepping|microcode|revision'<br />

Output:

<br /> [root@esxi:~] vsish -e cat /hardware/cpu/cpuList/0 | grep -i -E 'family|model|stepping|microcode|revision'<br /> Family:6<br /> Model:60<br /> Stepping:3<br /> Number of microcode updates:1<br /> Original Revision:0x0000001c<br /> Current Revision:0x00000027<br /> [root@esxi:~]<br />