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4xx Error Guide While troubleshooting an error, my coworker said, "Oh, that's 4xx, so that's a client error". I never approached troubleshooting like this. I just knew that 200s were good, and 500s were bad 😅.…

4xx Error Guide ⚠️
#DevOps #k8s #learnk8s #cncf #100DaysOfCode #100DaysOfDevOps #kubernetes #technology

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Keeping up with new image or package releases can feel overwhelming fast. Here are some methods that might be helpful!

xalexander.io/how-to-keep-track-of-new-releases/

#DevOps #k8s #learnk8s #cncf #100DaysOfCode #100DaysOfDevOps #kubernetes #technology

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Literally 0 interest in trying Clawdbot 😅

#DevOps #k8s #learnk8s #cncf #100DaysOfCode #100DaysOfDevOps #technology

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I Didn't Know What TLS Termination Was...Until Now

xalexander.io/tls-terminat...

#DevOps #k8s #learnk8s #cncf #100DaysOfCode #100DaysOfDevOps #kubernetes #technology

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Load balancers and proxies often get lumped together, but they solve very different problems at different points in the request journey.

xalexander.io/load-balancers-vs-proxies/

#DevOps #k8s #learnk8s #cncf #100DaysOfCode #100DaysOfDevOps #kubernetes #technology

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A Bitbucket Migration Resulting In Missing Commits 🫨
xalexander.io/missing-commits/

#DevOps #k8s #learnk8s #git #100DaysOfCode #kubernetes #technology

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Reflecting on lessons learned in 2025 as a DevSecOps Engineer.
xalexander.io/2025/12/29/5-lessons-lea...

#DevOps #learnk8s #100DaysOfCode #100DaysOfDevOps #homelab #kubernetes #Linux #Tech #Career #Docker

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SadServers - Linux & DevOps Troubleshooting Interviews Linux Troubleshooting Interview DevOps SRE

Another great resource to keep the skills sharp. You get a remote server with a problem, and your goal is to fix it.

sadservers.com

#DevOps #learnk8s #100DaysOfCode #100DaysOfDevOps #homelab #kubernetes #Linux #Tech #TechWithX #Docker

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When someone is questioning your reasoning, it’s usually not personal. Curiosity isn’t criticism. 💡

#DevOps #learnk8s #100DaysOfCode #100DaysOfDevOps #homelab #kubernetes #Linux #Tech #TechWithX #Docker

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This made me laugh out loud. Soooo accurate 🤣

#DevOps #learnk8s #100DaysOfCode #100DaysOfDevOps #homelab #kubernetes #Linux #Tech #TechWithX #Docker

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Whenever I “mess up” at work, I think of outages like these, and remind myself that my situation could be worse. Glad they're back online ✅

#DevOps #learnk8s #100DaysOfCode #100DaysOfDevOps #homelab #kubernetes #Linux #Tech #TechWithX #Docker

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After many years, I finally purchased a MobaXTerm license 😅

#DevOps #learnk8s #100DaysOfCode #100DaysOfDevOps #homelab #kubernetes #Linux #Tech #TechWithX #Docker

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a man is laying on his stomach on the ground with the words `` almost ... there '' written on the ground . ALT: a man is laying on his stomach on the ground with the words `` almost ... there '' written on the ground .

Ive been tasked with migrating and containerizing our Atlassian Tools (Bitbucket, Confluence and Jira ). All done with Confluence and Bitbucket. Jira in a few more days.

#DevOps #learnk8s #100DaysOfCode #100DaysOfDevOps #homelab #kubernetes #Linux #Tech #TechWithX #Docker

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The “Well, that’s how we’ve always done it.” reason for not pursuing a new initiative should always be challenged. Gotta keep evolving.

#DevOps #learnk8s #100DaysOfCode #100DaysOfDevOps #homelab #kubernetes #Linux #Tech #TechWithX

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Some advice from a senior engineer that stuck with me, recently:

“Don’t try to memorize everything. Learn where the docs are and bookmark them.”

#DevOps #learnk8s #100DaysOfCode #100DaysOfDevOps #homelab #kubernetes #Linux #Tech #TechWithX

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Some concepts come easy. Some take time. But that "aha" moment? Worth it every time.
For me, recently, this was understanding TLS termination. What was your recent "aha" moment?

#DevOps #learnk8s #100DaysOfCode #100DaysOfDevOps #homelab #kubernetes #Linux #Tech #TechWithX

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You sure "rsync -av" keeps files in sync? It only compares the file's size and timestamp. If content changes without either updating, it's skipped. The "--checksum" flag is the real truth-teller.
#DevOps #learnk8s #100DaysOfCode #100DaysOfDevOps #homelab #kubernetes #Linux #Tech #TechWithX

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Got a crash course in TLS termination, today. The learning never stops ! #Productivity #Tech #DevOps #learnk8s #100DaysOfCode #100DaysOfDevOps #homelab #kubernetes #IT

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To all the "Getting Into DevOps" tutorials that don't have any modules on Networking ..shame on you. Networking is such an important foundation that gets skimmed over, or completely skipped, in a lot of tutorials.

#Tech #DevOps #learnk8s #100DaysOfCode #100DaysOfDevOps #homelab #kubernetes

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Switched to Notesnook from Obsidian and haven't looked back!

#Productivity #Tech #DevOps #learnk8s #100DaysOfCode #100DaysOfDevOps #homelab #kubernetes

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A year ago I couldn’t tell you what a PVC or ingress was. Today I’m recovering from broken clusters, migrating core services, and — most importantly — actually feeling confident. 🚀

#DevOps #learnk8s #100DaysOfCode #100DaysOfDevOps #homelab #kubernetes

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- Stumbled upon mailgun, and am now using their free tier for my SMTP needs. Which aren't much.
- Deployed Komodo to monitor my docker containers.
#DevOps #learnk8s #100DaysOfCode #100DaysOfDevOps #homelab #kubernetes

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- Moved PiHole and Infisical (Secrets Manager) to external VMs outside of my K8s cluster. Not sure why I didn't do this when I initially built my cluster 🤷🏾‍♂️ . So what happened? #DevOps #learnk8s #100DaysOfCode #100DaysOfDevOps #homelab #kubernetes

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- Fully migrated my K8s stack to RKE2. Having my apps "GItOps"ed made the process less painful then what it could've been.

#DevOps #learnk8s #100DaysOfCode #100DaysOfDevOps #homelab #kubernetes

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Haven't posted in a while. Just a few update on my learning journey 🧵

#DevOps #learnk8s #100DaysOfCode #100DaysOfDevOps #homelab #kubernetes

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Upcoming Project:
Migrate my current k8s stack to RKE2.
#DevOps #k8s #learnk8s #cncf #100DaysOfCode #100DaysOfDevOps #kubernetes

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Goodby, Homepage.
Hello, Glance
#DevOps #k8s #learnk8s #cncf #100DaysOfCode #100DaysOfDevOps #kubernetes

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Just had a power outage that took down my entire homelab. Recovery was… fun, and I got a first hand example of circular dependencies. Mini Thread 🧵
#DevOps #k8s #learnk8s #cncf #100DaysOfCode #100DaysOfDevOps #kubernetes

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NewReleases.io Don't waste your time checking if some software is updated. Get Email, Webhook or notifications on Slack and other instant messengers.

Why am I just now discovering newreleases.io ?!? 😂
#DevOps #k8s #learnk8s #cncf #100DaysOfCode #100DaysOfDevOps #kubernetes

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Weekend Wins:
- Transitioned from Uptime Kuma to Gatus
- Learned more about longhorn....by breaking and fixing my own deployment
- Created an LVM to mount /var/lib/longhorn , and move away from the default "/" mount point on all of my nodes.
#DevOps #k8s #learnk8s #100DaysOfCode #100DaysOfDevOps

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