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Unlock Root Account on ESXi
2 min readIf the root account gets locked out, you won’t be able to access ESXi using SSH or the vSphere Web Client. Follow the steps below to unlock the account. Common Symptoms You receive …
Raspberry Pi Boot Issue - Root account locked!
2 min readAfter a power outage, my Raspberry Pi 400 Keyboard Computer wouldn’t boot. The Pi would get stuck at boot with the following error message. Cannot open access to console, the root …
vSphere 7 – Certificates with VMCA as Subordinate
7 min readFor enterprises that need fully trusted SSL certificates for the vSphere 7.0 environment, you have two basic options: Full Custom Mode: Manually replace all certificates for …
How to grow a zvol in ZFS
1 min readIn ZFS, there are two types of filesystems (datasets and zvol). The ZFS dataset can be grown by setting the quota and reservation properties. But zvols have to extend by setting …
How to use OPA Gatekeeper to only allow images from a private registry.
3 min readBy default, Kubernetes will pull from Docker Hub unless the deployment requests a fully qualified path. For example, if you deploy a pod with the image …
How to use OPA Gatekeeper to require a label on all namespaces.
3 min readBy default, Kubernetes will create namespaces without any labels. This can tracking the owner of the namespace difcult. Also, by having all namespaces labeled. You can use labels …
How to fix LVM Device /dev/sdb excluded by a filter.
1 min readWhen creating a new PV device using a previously partitioned disk, you may see the following error message. pi@raspberry:~/ $ sudo pvcreate /dev/sdb Device /dev/sda excluded by a …
How to change the Rancher v2.x Server certificate to an externally created certificate.
3 min readIt’s often necessary to migrate from a self-signed or LetsEncrypt certificate to an externally created certificate like DigiCert or Comodo in Rancher v2.x.