LUC3NT Tech Blog

theoretically interesting musings of a systems engineer

Have you ever needed to troubleshoot or diagnose a problematic computer and you forgot where your utility CD or USB flash drive is? Today I will show you how to utilize network booting (PXE) with a project I love called Netboot.xyz to make that problem a thing of the past.

What this guide will help you do: You will be able to access NFSv4 shares when logged onto a Linux client system with an Active Directory user account, your NFS traffic will no longer be clear-text and vulnerable to traffic snooping, both server and client will transparently verify each other’s ide...

NFS was originally designed for trusted environments of a scale that today seems rather modest. The primary design goal was data integrity, not performance, which makes sense as Ethernet of the time ran at 10 Mbps and files and file systems were relatively small. The integrity goal led to a use of s...

Linux has many tools available for troubleshooting some are easy to use, some are more advanced.

I/O Wait is an issue that requires use of some of the more advanced tools as well as an advanced usage of some of the basic tools. The reason I/O Wait is difficult to troubleshoot is due to the fact th...

Microsoft's Active Directory. No escape, love it or hate it its the industry standard. Let me pull out my cane and shake it at you while I tell you that joining a linux host to active directory used to be a real chore. You young whippersnappers have no idea. I remember taking a stab at it circa 2006...