MarkoNtech @markontechcom

I write guides and step by step tutorials on Linux, DevOps, Virtualization, Kubernetes, home-labs and more. Newsletter: https://t.co/sdQl6VBaxG markontech.com Joined February 2017

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MarkoNtech @markontechcom

4 months ago

Home lab update: Latest overhaul - DNS, SSL, VPN, MetalLB and couple of prod ready services. I’ve made some major improvements to my home lab running on k3s Kubernetes, fully managed with FluxCD for seamless GitOps automation. Here’s what’s new: ✅ Added a dedicated DNS server…

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MarkoNtech @markontechcom

6 months ago

Luckily i migrated my project to Proxmox over a year ago. Best decision. These Broadcom "business" decisions are truly baffling to me.

Anthony Spiteri @anthonyspiteri

6 months ago

Luckily i migrated my project to Proxmox over a year ago. Best decision. These Broadcom "business" decisions are truly baffling to me.

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MarkoNtech @markontechcom

6 months ago

This is quite an impressive project. Run Kubernetes on your old Android smartphone. blog.denv.it/posts/pmos-k3s…

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MarkoNtech @markontechcom

6 months ago

CVE exploit on Nginx ingress controller discovered

MarkoNtech @markontechcom

6 months ago

CVE exploit on Nginx ingress controller discovered

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MarkoNtech @markontechcom

6 months ago

For those who use Nginx ingress controller in prod. Disable admissionWebHooks and upgrade to the latest version. wiz.io/blog/ingress-n…

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MarkoNtech @markontechcom

7 months ago

** Step-by-step guide to set up HPA (Horizontal Pod Autoscaler) in Kubernetes ** ** Step 1: Ensure metrics server is installed ** HPA relies on the **metrics server** to collect resource usage data. It should be installed on most of k8s distros but, If it's not installed,…

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MarkoNtech @markontechcom

7 months ago

I understand changes from the business side are necessary to upkeep a product but still this is quite disappointing. This should be an opt-in for users. I've been using firefox since 2004. Hopping i can make it better with betterfox profiles and on a lookout for alternatives.…

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MarkoNtech @markontechcom

7 months ago

Curl commands

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MarkoNtech @markontechcom

7 months ago

Ansible commands cheat sheet

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MarkoNtech @markontechcom

7 months ago

** Essential VIM commands cheat sheet **

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MarkoNtech @markontechcom

7 months ago

** Quick Docker compose tip ** Updating image version of the running container Yes, this is possible with Docker and with almost no-downtime. In your services block, you need to define deploy options(like in the picture bellow). The important part here is the order attribute.…

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MarkoNtech @markontechcom

7 months ago

** Kubernetes DaemonSet manifest YAML explained ** A DaemonSet ensures that a specific pod runs on all (or some) nodes in the cluster. ** Key features ** Runs one pod per node: - Unlike a deployment, DaemonSets schedule one pod per node automatically. - Used for system-wide…

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MarkoNtech @markontechcom

7 months ago

** Kubernetes StatefulSet YAML manifest explained ** Used for stateful applications like databases (MySQL, PostgreSQL, Cassandra, etc.). ** Key features ** Pods have stable network IDs: - Pods are named as my-statefulset-0, my-statefulset-1, etc. - Each pod gets a stable…

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MarkoNtech @markontechcom

7 months ago

** Quick Linux tip ** Command to list biggest directories and files within: du -sh * | sort -hr | head -n 10 What's also great about this command that if you encounter a Linux server with a full drive(regardless please avoid this at all costs) this command will run. The…