DevBrainOps
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The group whose goal is to find the best approaches and solve problems of #DevOps practice.
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๐Ÿ‘” This post contains up-to-date information on sites for finding a it (devops) remotely job in companies and startups.

1๏ธโƒฃ Of course, https://www.linkedin.com/. This social network is one of the most important broadcasters of vacancies in the IT sphere. In order to receive more offers, it would be nice to pump up your profile.
2๏ธโƒฃ https://angel.co/jobs - Platform for finding jobs in startups.
3๏ธโƒฃ https://weworkremotely.com/ - The largest remote work community in the world. With over 4.5 million visitors, WWR is the number one place to find work.
4๏ธโƒฃ https://indeed.com - Will help you find remote work all over the world.
5๏ธโƒฃ https://www.fiverr.com/ - Work for IT specialists, mostly freelance.
6๏ธโƒฃ https://remotive.com/ - Large community to help remote workers.
7๏ธโƒฃ https://remoteok.com/ - Not a bad job search engine. No need to create an account, you will simply be asked to send your resume or portfolio to email addresses after you fill out the form.
8๏ธโƒฃ https://www.idealist.org/ - A good platform with a large number of different internships, including remote ones.
9๏ธโƒฃ https://dribbble.com/ - Site mainly for designers, lots of remote vacancies.
๐Ÿ”Ÿ https://www.glassdoor.com/ - The site offers the ability to search for vacancies in most countries.
1๏ธโƒฃ1๏ธโƒฃ https://www.jobisjob.com/ - I would especially like to highlight this - an excellent resource that collects offers from all sites practically from all over the world.
1๏ธโƒฃ2๏ธโƒฃ https://www.monster.com/ - Large international portal. First, it offers to decide on the geography of future work, and then look at the results.
1๏ธโƒฃ3๏ธโƒฃ https://www.dice.com/ - Similar to the previous one, it is considered one of the best resources for finding technical and engineering jobs.
1๏ธโƒฃ4๏ธโƒฃ https://www.careerbuilder.com/regional_sites - An interesting portal for finding work in the USA.

I hope this post will be useful to start your career! ๐Ÿค—
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๐Ÿ—ƒ What is Docker?

Docker allows you to package an application with all its dependencies into a standardized unit for software development and deployment.

Key Concepts:

๐Ÿ“ช Containers
- Lightweight, standalone executable packages
- Include everything needed to run an application
- Ensure consistency across different environments

๐Ÿ“ซ Images
- Read-only templates used to create containers
- Built from layers, each representing an instruction in the Dockerfile
- Can be shared via Docker Hub or private registries

๐Ÿ“ญ Dockerfile
- Text file containing instructions to build a Docker image
- Defines the environment inside the container
- Automates the image creation process

๐Ÿš€Getting Started:
1. Install Docker
2. Familiarize yourself with basic commands (docker run, build, pull, push)
3. Create your first Dockerfile and build an image
4. Experiment with Docker Compose for multi-container setups
5. Explore Docker Hub for pre-built images and inspiration
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๐Ÿค“ The choice of an API architecture can have significant implications on the efficiency, flexibility, and robustness of an application.

Letโ€™s examine some prominent styles:
๐—ฅ๐—˜๐—ฆ๐—ง
A cornerstone in web services, REST leverages HTTP methods for streamlined operations and a consistent interface.
๐—š๐—ฟ๐—ฎ๐—ฝ๐—ต๐—ค๐—Ÿ
Whilst REST uses multiple endpoints for each resource and necessitates multiple requests to obtain interconnected data
๐—ฆ๐—ข๐—”๐—ฃ
Once dominant, SOAP remains vital in enterprises for its security and transactional robustness.
๐—ด๐—ฅ๐—ฃ๐—–
gRPC is efficient in distributed systems, offering bidirectional streaming and multiplexing.
๐—ช๐—ฒ๐—ฏ๐—ฆ๐—ผ๐—ฐ๐—ธ๐—ฒ๐˜๐˜€
For applications demanding real-time communication, WebSockets provide a full-duplex communication channel over a single, long-lived connection.
It's popular for applications requiring low latency and continuous data exchange.
๐— ๐—ค๐—ง๐—ง
MQTT is a lightweight messaging protocol optimized for high-latency or unreliable networks.
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DevOps warming๐Ÿ”ฅ๐Ÿ”ฅ๐Ÿ”ฅ ( kubernetes pod's disruptions )

Which one from this list is the voluntary pod's disruptions ? #kubernetes #devops #interview
Final Results
25%
A kernel panic
8%
Spot interruption from AWS EC2
33%
SysAdmin makes node updates
33%
The node ran out of resources
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If youโ€™re interested in running local/private LLMs (leveraging Ollama and similar solutions) on Kubernetes, take a look at this new project.

KubeAI serves an OpenAI-compatible HTTP API in Kubernetes, providing you with a drop-in OpenAI replacement and simplifying the needed operations. The projectโ€™s authors call it โ€œa Model Operator that manages vLLM and Ollama servers [inside Kubernetes].โ€ Most noticeable KubeAI features include:

- Support for various Open Source model servers, including vLLM, Ollama, FasterWhisper, and Infinity. (Speech-to-Text and Text-Embedding are supported.)
- An option to preload LLMs in custom container images.
- Autoscaling based on load.
- A Chat UI based on OpenWebUI.
- An ability to work in the CPU-only mode and with GPUs. TPU support is planned.
- No dependencies (such as service meshes) and installable in regular K8s clusters, OpenShift, and managed K8s solutions (currently, thereโ€™s an instruction for GKE with Autopilot).

โ–ถ๏ธ GitHub repo

#tools #ai
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๐Ÿฆš Netflix architecture - they use full amazon services, not shown in this diagram, but they use ec2 for all their workload.๐Ÿ™Š So knowledge of aws services will be very relevant in the near future.

#devops #infrastructure #netflix
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๐Ÿ—Rust is not only for writing drivers and system things, Rust is developing and gives the opportunity to write any powerful UI ๐Ÿฒ
https://www.thoughtworks.com/radar/languages-and-frameworks/summary/rust-for-ui

#rust #devops #application
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๐Ÿš€Cloud gives you great power, but like any great power has its risks and dangers.
The AWS these risks are associated with prices, since you can spend and find out about it in the invoice at the end of the month๐Ÿ˜ฒ
But now a very good tool has appeared for solving issues with Finops for AWS, meet ๐Ÿ’๐Ÿผโ€โ™‚๏ธ CUDOS
https://aws.amazon.com/ru/blogs/awsmarketplace/using-cudos-dashboard-visualizations-aws-marketplace-spend-visibility-optimization/

#infrastructure #monitoring #finops #DevOps #AWSServices
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๐ŸŽฎ There are several tools for indie game developers to help with the full cycle of game creation.

#games #devops #tools
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โ” How does Git Work โ”

The diagram below shows the Git workflow.
Git is a distributed version control system.
Every developer maintains a local copy of the main repository and edits and commits to the local copy.
The commit is very fast because the operation doesnโ€™t interact with the remote repository.
If the remote repository crashes, the files can be recovered from the local repositories.

#systemdesign #git #devops
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๐Ÿ‘โ€๐Ÿ—จStateful vs Stateless Design โ€” What's the Difference?

Stateless design is a powerful model that has led to the development of simple yet highly scalable and efficient applications.

โ€œStateโ€ refers to stored information that systems use to process requests. This information can change over time as users interact with the application or as system events occur.

๐—ช๐—ต๐—ฎ๐˜ ๐—ฎ๐—ฟ๐—ฒ ๐˜€๐˜๐—ฎ๐˜๐—ฒ๐—ณ๐˜‚๐—น ๐—ฎ๐—ฝ๐—ฝ๐—น๐—ถ๐—ฐ๐—ฎ๐˜๐—ถ๐—ผ๐—ป๐˜€?

Stateful applications store data like user IDs, session information, configurations, and preferences to help process requests for a given user. A stateful design allows applications to provide a personalized experience to their users while removing the need to share data across multiple requests.

#applications #systemdesign
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