DevOps Stack Exchange
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1500 questions
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0 answers

Check Out / Check In System for Floating Licenses

I'm trying to manage multiple floating licenses (e.g. Oracle Database) from a master configuration server using a pull model. Normally I use Puppet to handle configuration stuff like this, but I'm having trouble finding any info on managing floating…
Datajager
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1 answer

Does a company need DevOps if it already delivers software at acceptable speed?

I mean, DevOps is, from the business view, about speed and quality, right? What does it mean if a company is growing and fast enough for their customers without devops? Does one of the following apply? They did, or do software development at…
Ta Mu
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1 answer

Storing Meta Data for Apps/tools

Have created a number of images via packer and soon coming to the conclusion that binaries/images soon rack up in qty and need to find away to store config data. We are going to use ansible to hold config data for apps and was wondering about how…
Nick Gleed
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5
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4 answers

monitoring/alerting system which can support very arbitrary data source and logic

I am looking for a monitoring/alerting tool/system which can support very arbitrary data source and logic. (following is a made up example to more easily demonstrate my needs) I have a database where I can find out the query execution times for my…
Fai Ng
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5
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2 answers

Application configuration of a complex enterprise system

For a complex, distributed Enterprise system running on premise, I'll be driving an initiative to harness application configuration management. Today we have software delivered by almost 20 various scrum teams with only some coordination, having…
Piotr Tyburski
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5
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1 answer

Managing Data bags in different environments

Hi I got stuck with one of the scenario, I have two environments Dev and Prod. I need to pass different values in dev and different vales in prod. So how can I manage it using one Data bag. this is my general Data bag in dev environment I am using…
pandey
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5
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2 answers

How efficiently does GlusterFS deal with failures?

What happens when one of the storage bricks goes down (HDD failure), how does GlusterFS deal with data recover? Is the stored data still safe?
kenorb
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5
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3 answers

docker "Cannot mkdir: Permission denied"

I'm trying to run wordpress inside docker. I've been following this tutorial : https://www.sitepoint.com/how-to-use-the-official-docker-wordpress-image/ But when I run this command : docker run -e WORDPRESS_DB_PASSWORD=xxxxxx -d --name wordpress…
Loïc
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5
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2 answers

Load balancing kubernetes cluster on budget KVM provider?

There are a lot of cheap KVM providers these days that offer simple nodes with just a single external IP per node, without any load balancing. What is a typical budget load balancing solution for this scenario? I am planning to use either docker…
barrymac
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5
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1 answer

Is making kubernetes masters schedulable a really bad idea?

It's a cash strapped start-up. What are the worst consequences of running only three nodes, three schedulable masters? Are there some ways can one mitigate against the risks?
barrymac
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5
votes
1 answer

Docker swarm stop spin up containers at 250

TLDR: Docker won't spin up more then 250 containers. I'm deploying a cluster of 3 docker services to a swarm with 2 nodes. 2 of the services need to contain 1 container (have a replicas: 1 in the docker-compose file), and the third service need to…
Nirgn
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5
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1 answer

Getting "(sensitive value)" from `terraform state show`, how can I uncensor the value?

When I run I try to use terraform state show on variables flagged sensitive on some addresses I get private_data = (sensitive value) How can I get around this problem?
Evan Carroll
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2 answers

Make use of CIs as Maven Repository in order to use it for building Docker images without including dependencies

I am trying to make images from our company Maven based applications. These apps are using some libraries which are included in a Maven repository, but fills a lot of disk space. They also have some dependencies which should be downloaded. I have…
Zeinab Abbasimazar
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5
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3 answers

What is a difference between a Walking Skeleton and an MVP?

I've recently stumbled upon the "Walking skeleton" term and got a bit confused about the terminology. Is it the same or a variation of a Minimum Viable Product, or how does it relate to MVP in general?
alecxe
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5
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2 answers

Recommendations about release convention or standard for Python scripts?

I have a lot of python scripts which I release to a python virtual environment on a remote machine. The virtual environment is rarely updated. The scripts are pulled from a git repository and a makefile is used to deploy them into the virtual…
Dawn555
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