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[EN] Harbor-to-Harbor Migration from Block Storage to Object Storage (AWS S3)

Jun 5, 20265 min read5

[EN] Set Up Amazon ECR Pull-Through Cache for Docker Hub

Apr 22, 20264 min read4

[EN] Setting up Prometheus and Thanos to use S3 as storage backend

tl;dr — Prometheus is great at scraping and querying, but it was never designed to be your long-term storage. Once my TSDB grew to 311 GB and the disk hit 87%, I needed a way out that didn't mean buyi

Jun 9, 20266 min read4

[EN] Track progress of MySQL Import/Export process using PV

Nov 21, 20252 min read4

[EN] Lesson learned from using the wrong AWS ElastiCache Redis endpoint

Aug 13, 20253 min read59

[EN] My experience taking the KCNA certification

Last year, I bought a KCNA + CKA certification voucher while there was a Black Friday event. But I only dared to take the KCNA exam in the middle of this year. I'm the type of person who is well-prepared and wants to understand things thoroughly from...

Aug 7, 20256 min read61

[EN] How I Stopped Copy-Pasting AWS EC2 IPs and Started SSHing Smarter

Remembering IP in a massive, dynamic environment is not easy. You may have an instance with IP 10.0.0.1 today, but there is no guarantee that the same server will be there tomorrow. If you are still SSH-ing to your server using a traditional method l...

May 21, 20252 min read16

[EN] Be careful before applying immediate modifications in AWS RDS

tl;dr "Apply Immediately" applies everything in the pending modifications queue, not just your change. Always check pending modifications and maintenance tabs first. Don't accidentally trigger a db-upgrade unless you're ready for downtime. What ...

May 20, 20253 min read38

[ID] GCP Associate Cloud Engineer - Planning and configuring a cloud solution

💡 Baca official exam guide di sini. Catatan ini adalah rangkuman dari buku dan official documentation dari Google. Jika ada saran atau koreksi, langsung comment aja ya. GCP Cloud Services Compute 💡 Objective: Paham bedanya Compute Engine, Kubern...

May 19, 20256 min read27

[EN] Building a secure container image

To ensure the security of an application, not only we have to keep the code safe but also keep them safe when storing and distributing it. I learned some of the best practices to do that and I’ll share them here. This Dockerfile Works... But Should Y...

May 9, 20254 min read10

[EN] On-line storage resizing in cloud instances

Let’s say you’re using VMs in AWS, GCP, or any other cloud provider and running out of disk storage. Normally you can stop the instance, increase the storage, and then start it again to resize the disk. But that would cause a downtime. In my experien...

May 9, 20252 min read7

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