Trình bày các công nghệ CLOUD một cách dễ hiểu.
Monitoring capabilities AWS provides: You are responsible for: Instance level monitoring Instance monitoring BufferCacheHitRatio: The percentage of requests that are served by the buffer cache. – When data is requested, AWS DocumentDB first checks if it is available in the buffer cache (in-memory). – If the data is available in the cache, the request is…
![[Laravel] Create helper functions and call them as needed.](https://nimtechnology.com/wp-content/uploads/2024/10/image-24.png?v=1730101552)
Ý tưởng là chúng ta sẽ tạo được 1 function public và gọi chúng ở bất cứ đâu trong code Controller hoặc Model,… Chắc chắn chúng ta sẽ cần tạo Helper Functions. trong Folder app chúng ta tạo 1 Folder khác là Helper và sau đó chúng ta tạo file: yaml.php (bạn có thể tạo…
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![[Laravel] Laravel code is helpful](https://nimtechnology.com/wp-content/uploads/2024/10/image-20.png?v=1729582916)
If one line on Laravel In Laravel (or any PHP-based framework), you can use one-line conditional statements within your Blade templates (HTML files) using Blade’s built-in syntax. For a one-liner if statement in HTML, Blade provides the @if directive, or you can use a shorthand {{ condition ? ‘true case’ : ‘false case’ }} syntax….
![[Ubuntu/LVM] Reattach LVM Disk to new Physical Server.](https://nimtechnology.com/wp-content/uploads/2024/10/image-19.png?v=1729479227)
If you’re connecting an old LVM disk to your Raspberry Pi 4 and want to reuse it, here’s a step-by-step guide on how to detect, activate, and mount the logical volumes (LVs) on that disk. Step 1: Verify Disk Detection When you plug in the old disk, first check if the Raspberry Pi detects it…
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![An AWS IAM Security Tooling Reference [2024]](https://nimtechnology.com/wp-content/uploads/2024/10/image-18.png?v=1729237151)
refer to: https://ramimac.me/aws-iam-tools-2024?ref=dailydev Identity and Access Management (IAM) is a cornerstone of security. However, AWS IAM is not only crucially important, but also immensely complex. This complexity and the resultant challenges it can pose for security have not gone unnoticed. In addition to efforts at education, AWS has developed Zelkova, an automated reasoning tool for AWS…
![[Golang/Redis/Riot] Redis migration from old to new infrastructure.](https://nimtechnology.com/wp-content/uploads/2024/10/image-14.png?v=1728552811)
Let’s convert the Python Redis migration code to Go, considering the go-redis library for Redis interactions. Here’s a step-by-step conversion from Python to Go. Plan: Pseudocode: Go Code: Key Points in Go Code: Dependencies: You will need the following dependency: Next Steps: a. Would you like to test the migration in a controlled environment or…
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![[AWS Fault Injection Service] Crash Simulation on AWS](https://nimtechnology.com/wp-content/uploads/2024/10/image-13.png?v=1728457321)
Đôi khi chúng ta sẽ có những câu hỏi nếu 1 zone hay 1 region của AWS bị thiên thạc rôi xuống thì sẽ như thế nào? Chúng ta có thể giả lập 1 zone bị sự cố và kiểm tra tính availability của 1 region chống lại được thảm hỏa đó không? Bạn có…
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Refer to: https://www.turbogeek.co.uk/how-to-install-configure-and-use-gitlab-ce-on-ubuntu-22-04/#Step_5_%E2%80%93_Configure_GitLab_CE GitLab Community Edition (CE) is a powerful, open-source DevOps platform that enables DevOps teams to collaborate, manage code, and streamline their software development lifecycle. It is a really popular CI/CD with developers, and it is often considered one of the best. Best of all you can install it for free. This comprehensive…
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![[Laravel] Debug an object in Laravel](https://nimtechnology.com/wp-content/uploads/2024/10/image.png?v=1727753194)
If $osData is an object in a Blade template and you want to debug it in the browser, you have a few options: 1. Use dd() (Dump and Die) The dd() function will output the content of a variable and stop the script execution immediately, making it useful for debugging purposes. This will dump the…
![[S3/AWS] How to reduce S3’s cost by the gateway and interface endpoints (PrivateLink)](https://nimtechnology.com/wp-content/uploads/2024/09/image-25.png?v=1727161861)
Theo 1 cách thông thường thì EC2 (in private subnet) accesses S3 thông qua NAT gateway và internet Gateway. Nếu bạn thường xuyên upload and download file lớn lên S3 thì internet gateway cost bạn 1 khoản phí rất lớn. Vậy thì solution của chúng ta sẽ là route traffic của S3 sang gateway and…
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