Reddit DevOps
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Reddit DevOps. #devops
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How long it will take me to learn how to be an devops?

Just completed my degree with finance background and hoping to learn .

https://redd.it/13t9xfx
@r_devops
Are stupid database questions allowed? If a database is backed up only every hour, do we just lose the unbacked up data within the one hour time frame?

What are some strategies to mitigate this besides more frequent backups, if possible at all?

I think I'm lacking the vocabulary to properly search for answers. Am I even asking the right question?

Thanks for your guidance.

https://redd.it/13tcq2s
@r_devops
DevOps / Cloud / Site reliability engineers - How much DSA questions have you noticed in the job search process?

Basically title.
I know other branches of SWE are more LC heavy (like backend especially), but how is it like in the infrastructure / cloud / devops space, in your experiences?

https://redd.it/13teg7e
@r_devops
How do you maintain a real time back up?

Just a small case study kinda question that crossed my mind, I'm a student be kind on me. So if there's a company, say Facebook. Now let's assume they have 100 new users joining every 1 hour. And each user addition is practically a completely new customer that they can't afford to lose . But what if the server goes down and they're forced to roll back to the most recent backup which might've been an hour ago? What happens to these new users between that remaining time frame, and what happens to all the content they posted? And Facebook could probably afford to back up every microsecond but what about smaller companies with 1000x lesser budgets ?

https://redd.it/13te3f7
@r_devops
What skills and concepts/topics are required to land dev ops straight out of college?

Hey just wanted to know the main important content fkr dev ops jobs. Also how hard is it to land a dev ops job straight out of college in comparison to swe jobs?

https://redd.it/13tfyxi
@r_devops
Has anyone tried using terragrunt for PR environments in GitHub actions pulling private repo?

Essentially trying to run terragrunt in a GHA workflow with the .hcl file sourcing from a private GitHub repo. Can’t get it to work even with a PAT token.

https://redd.it/13tfwcp
@r_devops
I don't get the point of KV/secrets manager (Vault, Azure secrets, AWS secrets...)

After reading some documentation, i still don't get the point of secrets manager services like Hashicorp Vault, AWS secret manager or Azure Key Vault secrets.I understand the need to not have secrets in env. files or Git. But i don't get how such services improve the situation.

Let say your app instance is authorized to get a token from the KV service to access another server or api. Now, if a malicious party takes control of the instance, what is preventing him to ask the vault service for the credentials or token. How is this improving the situation ?

Thank you.

https://redd.it/13qp391
@r_devops
Parllelx.sh - run chmod or chown command parallelly on huge amount of file

Hi, Just wrote simple bash script to run chown and chmod commands parallelly in background using screen command. hope his will be helpful if someone is running chmod/chown on large data sets.


Motivation:
After moving 650GB of jenkins data(/var/lib/jenkins) containing small small files from hard disk(AWS EBS) to NFS(AWS EFS) i had to change the ownership of files which was taking long time and after 3+ hours i just stopped the chown command. As Jenkins server had 8 CPU core i thought of using by going inside directories and running the chown command one by one with screen. which took around about 1 hour to complete but i had to do lots of stuff manually like getting the list of directory hierarchy and monitoring the status of previous running chown command before i can run another command. I thought of writing this script to fully automate those steps.

code : https://github.com/koolwithk/parallelx.sh

https://redd.it/13tk8rj
@r_devops
CPU vs vCPU

Hello, I’m about to purchase a server/switching from cloud hosting, I just wanted to ask (I’m not really good with tech at all), the cloud server I was on had 48vCPUs, what I’m moving to is a dedicated server 32 Cores/64 threads, in this case which is better? Again I apologize if this is a bad question in itself, I just want the basics of it

https://redd.it/13to58q
@r_devops
No resources found in default namespace.

I ran this command to create deployment called mynginx.


kubectl run mynginx --image nginx:latest


But it created pods only but not deployment.

C:\Windows\system32>kubectl get pods
NAME READY STATUS RESTARTS AGE
mynginx 1/1 Running 0 3m31s


C:\Windows\system32>kubectl get deployment
No resources found in default namespace.

How do I fix this? I'm following a tutorial and in the tutorial, the deployment is being created.

https://redd.it/13ty9r1
@r_devops
A Manifesto for Cloud-Oriented Programming from the creator of the CDK

In this insightful article, Elad Ben-Israel, the mind behind the CDK, shares his love for the cloud, but also his frustrations with the complexity of building cloud applications. The challenges he identifies include:
1. Focus on non-functional mechanics: The need to understand and manage cloud platform mechanics instead of focusing on building valuable features for users.
2. Lack of independence: Developers often need to rely on others to handle parts of the deployment process or to resolve issues, interrupting their work flow.
3. Delayed feedback: The current iteration cycle in cloud development can take minutes or even longer, significantly slowing down the development process and making it harder for developers to stay in their flow state.

## It's not just a rant
Elad is not just ranting about cloud development. He proposes a solution in the form of a programming language for the cloud. This language would treat the entire cloud as its computer. The language compiler will be able to see the complete cloud application, unbound by the limits of individual machines. Such a compiler would be able to handle a significant portion of the application's non-functional aspects, enabling developers to operate at a more abstract level, thus reducing complexity and promoting autonomy. Moreover, it could expedite iteration cycles by allowing to compile applications to quick local simulators during the development process.

## The Winglang Project
Elad reveals that he's in the process of developing such an open-source, “cloud-oriented” language, dubbed Winglang. Wing aims to improve the developer experience of cloud applications by enabling developers to build distributed systems that leverage cloud services as first-class citizens. This is achieved by integrating infrastructure and application code in a secure, unified programming model. Wing programs can be executed locally via a fully-functional simulator or deployed to any cloud provider.

## My Interest in Winglang
I, together with a group of dedicated contributors, joined forces with Elad to develop Winglang.
While still in Alpha and not yet ready for production use, it's already possible to build some real applications.

Check out https://github.com/winglang/wing for more details.

https://redd.it/13u5zrj
@r_devops
Health Check Response Format for HTTP APIs

I’m continuing my journey on getting more familiar with HTTP APIs by reading related RFCs. This time, I read the Health Check Response Format for HTTP APIs on the suggestion of Stefano Fago. In this post, I’d like to summarize my reading.

Note that it’s a draft. Moreover, it has been dormant for nearly two years and, thus, has been automatically expired. However, it’s the closest to a specification on health checks and thus deserves some love.

Read more

https://redd.it/13u5cs2
@r_devops
Supplemental Productivity Software

I'm looking for some additional productivity software in addition to (or lack thereof) options that our company has. Granted, I've confirmed reimbursement, but as a small shop, most of it is "choose your own adventure." Our only two officially used platforms are GitLab and Slack. I think three categories can be broken down and used unless I'm overthinking them,

Wiki/Knowledge Base - GitBooks is what I'm leaning toward right now. Confluence is overkill, and options like Wiki.js and Bookstacks haven't been as seamless as I'd like. xTiles seems like a weird hybrid between all 3.

Workflow/Kanban - Like above, Trello/Jira are overkill; Monday requires three seats. So far, I'm enjoying Linear's free plan the most.

Notetaking - Notion, Craft, and Upnote all seem good, but this category also seems saturated with a ton of options.

Thoughts?

https://redd.it/13u5wkk
@r_devops
Exploring Datadog alternative

Hello everyone!

I work at a small startup and currently use Datadog for monitoring etc. Our stack is Kubernetes cluster on Azure, written in .Net. We also use DD for some SIEM purposes. Have a bunch of monitors, mostly about webservices uptime, error rate and response times. Some monitors around host level monitoring exist as well.

Not very happy with Datadog given their billing, what tools would you suggest we move to, for these purposes? How is Azure Monitor stack for these purposes?

Also, if someone has done this for their work and have time to consult/get it done for us, we can pay as well. Ideally looking for open source stack, but would love help from this group on getting started and initial setup!

https://redd.it/13ubihi
@r_devops