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Category Archives: Virtualization
TinyCore 15 x64 Virtual Machine – very small VM for testing
I recently made a post about building a new TinyCore 15 virtual machine for testing. As with past VM builds of this distribution, I used the x86 CorePlus ISO image. I had someone ask me why I didn’t use the … Continue reading
Posted in Virtualization
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Fine-Tuning Updates: Targeted Host Remediation with vSphere Lifecycle Manager
In vSphere 7.0 functionality was introduced to be able to manage a cluster of ESXi hosts with a single image. In addition to being a bit easier to configure than the prior Update Manager Baselines, this feature also integrates with … Continue reading
Posted in Lab Infrastructure, Scripting, Virtualization
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TinyCore 15 Virtual Machine – very small VM for testing
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
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Cannot configure identity source due to Type or value exists.
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
Posted in Lab Infrastructure, Virtualization
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vSphere ESXi Host Certificate Status Alarm bulk resolution
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
Posted in Lab Infrastructure, Scripting, Virtualization
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