LUC3NT Tech Blog

Pure Storage Flash Array CLI commands that I find useful.. Just for Reference.

In part 3 of our Ansible for SAN Automation series I'm going to document how I build automations targeting deployment and configuration management and routine tasks on a Pure Storage FlashArray//X. Take my word for it, Pure Storage's FlashArray//X has to be the nicest all-flash storage array on the...

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.

The most difficult hurdle I see in automating a SAN infrastructure is with network equipment like Fiber Channel switches. Typically these tend to be devices that the network team dont want to administer so this equipment management usually falls to the storage team, and rightly so. A problem I see...

Here is a quick how to for enabling Cisco MDS & Nexus scheduled backups via CLI. The following procedure will allow your switches will log into a SFTP server nightly where it will drop a backup of its config.

It has been quite a while since I posted. Sorry for the year + long hiatus. I have a lot of work that I would like to document on my Blog. About 9 months ago I accepted a new role at a new job. That came with the usual flurry of new work, learning their environments and equipment. But one of the...

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...

Disclaimer: I am an old school EMC guy, I cut my teeth on Clariion, Celerra, and VMAX. I am EMC ISCA certified. I worked for several managed service providers (MSP) in my background where I provided enterprise customers with storage advice and support. That means that while I had many customers that...

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...

"Oh I remember. I blogged the whole thing. www.creedthoughts.gov.www\creedthoughts. Check it out." [cut to Ryan's talking head] - Creed Bratton

Yep, I decided to start a tech blog to document my struggles and victories in engineering and DevOps. Here I also plan to write original technical gu...