Monthly Archives: February 2024

TinyCore 15 Virtual Machine – very small VM for testing

Posted on February 23, 2024 by brian.wuchner

For several years I’ve been using a couple of very small TinyCore Linux virtual machines for testing in my lab. These run very well in nested infrastructure and have a package to support open-vm-tools so you can interact with them … Continue reading →

Posted in Lab Infrastructure, Scripting, Virtualization | 1 Comment

Cannot configure identity source due to Type or value exists.

Posted on February 19, 2024 by brian.wuchner

On vCenter Server 7.0u3p (aka 7.0.3.01800), I recently experienced an error “Cannot configure identity source due to Type or value exists.” when configuring Active Directory over LDAPS. The issue was caused by a duplicate certificate, but that fact was not … Continue reading →

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vSphere ESXi Host Certificate Status Alarm bulk resolution

Posted on February 15, 2024 by brian.wuchner

In the vSphere UI, some hosts will occasionally trigger an alarm of “ESXi Host Certificate Status”. VMware Skyline has a finding for this issue as well — vSphere-HostCertStatusAlarm. The resolution is typically straightforward, right click the host > certificates > … Continue reading →

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Testing Syslog from the command line

Posted on February 15, 2024 by brian.wuchner

From time to time it is helpful to be able to send a syslog message to confirm that things are working correctly — firewall ports are open, nothing is filtering out the traffic in line, including a timestamp in the … Continue reading →

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