SAS Drives Showing 0B in lsblk and Missing from Multipath: The 520-Byte Sector Problem Paid Members Public
Enterprise SAS SSDs repurposed from storage arrays often arrive formatted with 520-byte sectors — a T10 DIF/PI integrity field used by array controllers that Linux cannot handle. The kernel rejects the drive entirely, reporting 0B in lsblk and leaving multipathd with nothing to work with.
Enhanced RDP Security: Understanding Microsoft's New Phishing Protection Mechanism Paid Members Public
Microsoft has introduced a robust two-tier security system to protect users from malicious Remote Desktop Protocol (RDP) files. This enhanced phishing protection mechanism adds crucial verification layers that help organizations maintain secure remote access while protecting against sophisticated social engineering attacks. The Two-Part Security Framework Part 1: Digital Signature Verification
rook ceph - unmap stuck rbd Paid Members Public
You might find yourself in a situation where you need to push rook ceph a little to unmount RBDs in order to unblock PV operations.
Online removal of a LUKS disk encryption Paid Members Public
Believe it or not - sometimes there might be cases when you need to actually remove encryption from a system. This guide will let you know how to remove LUKS from a virtual machine when the root partition is running on this disk.
Prepending Environment Variables with Kyverno: Finding the Right Approach Paid Members Public
Injecting environment variables into Kubernetes pods with Kyverno requires careful strategy. While `patchStrategicMerge` only appends to arrays, `patchesJson6902` with `add` operation at index `0` successfully prepends variables, preserving existing configurations.
ceph 20.2.0 (tentacle) released Paid Members Public
Ceph 20 is out - and you should get your hands on it!
terraform actions - I like hooks and I cannot lie Paid Members Public
Terraform 1.14 beta brings actions - a decent approach to run one shot events on state transitions. Check out this post to see an example and how it can be done already today.
Using kyverno to generate secrets Paid Members Public
Sometimes it's the little helpers that make the difference. Here's some kyverno policy you can use to generate secret values in Kubernetes through a mutating webhook.