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1500 questions
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2 answers

Crash course in Dev for Ops?

I schooled in CompSci where we were primarily taught Java, but what I learned there is that my passion is systems, so I've always worked the ops side. I'm handy with scripting, so I'm not looking for a site to teach me Ruby, but something to explain…
Stephen C
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Data Science pipelines and monolithic model blobs

Normally, one important topic in DevOps is how we take care of automated creation and delivery of software artefacts. With the rise of data science there is a new type of artefact - monolithic binary blobs representing a trained neural net for…
Ta Mu
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Deploying VMs using roles and hosts in Ansible based on operating system

I'm having issues working out how to best apply hosts/roles to different operating systems in Ansible. I'm currently using Ansible to generate Windows/Mac/Linux VMs, and each of the VMs have different roles which need to be applied to them. I've…
Rekovni
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What is Titus and what issues does it solve?

I read an article from Medium Titled "The Evolution of Container Usage at Netflix" and watched a couple of videos on the topic, but it is unclear to me why Titus (referenced in these) should be used. Is it different than Kubernetes or should it be…
030
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What exactly is the cloud term 'a Firehose'?

I found a Firehose definition from Overview of the Loggregator System Cloud Foundry docs. The Firehose is a WebSocket endpoint that streams all the event data coming from a Cloud Foundry deployment. The data stream includes logs, HTTP events…
Sybil
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2 answers

Key attributes of Continuous Integration (CI) software

I work in the IT department of automation/dev company and we are just about to implement/add CI into our set of tools. And we are having difficulties to choose the one. At the moment we've been thinking about these…
Tatranskymedved
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4 answers

Playbook without relative path to vars

I had already bunch of playbooks, so I started to organize them in playbooks dir. It cause there must be relative paths to vars files. Actual playbook: --- - hosts: aws_instance.jenkins-agents user: ec2-user vars_files: -…
Mailo Světel
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Can I run multiple pipelines in a single GitLab repo using GitLab CI/CD?

I know that I can't have multiple gitlab-ci.yml files in one repo, but it still seems fairly limited. Say for example I have one set of tests I want to run whenever a change is pushed or on PRs, and another set I want to run every 24 hours. Is there…
Christian Legge
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4 answers

Is there a way to lint Terraform?

I'm hoping there is something to pick up when I have misspelled variables and comments to save me some time when I'm checking my code and reduce the potential for any errors. I normally use IntelliJ IDE for Terraform on a MAC but also have VS code…
doug
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How is it a good practice to version your helm charts for each deployment?

I'm trying to set up a process to release a web app with helm in my company and I can't find a satisfying way. Basically each for each push in a feature branch, I want to: Build a docker image and push it to a registry Upgrade the app through…
Ervadac
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2 answers

Memory being abruptly freed up every day at about the same time

I have a few VMs on Windows Azure that run our ecommerce website, and lately we started using Telegraf, InfluxDb and Grafana to keep an eye on these machines. After a couple weeks of gathering data, I have noticed a weird pattern related to the…
António Sérgio Simões
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Git seems to recognize http.sslcainfo property from .gitconfig but ignores it on execution? SEC_E_UNTRUSTED_ROOT

all, I have a working certificates chain (testable with OpenSSL) but somehow I cannot manage to tell Git to load these certificates. I get the same "untrusted root authority" error (SEC_E_UNTRUSTED_ROOT) independently of whether my git…
Ta Mu
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1 answer

Automate custom docker image deployment on AWS

This question is related to my previous one - but a bit more descriptive. I am trying to build automate the generation and deployment of a docker container. The docker container is created with packer. After the creation of the docker image, I am…
Kyu96
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3 answers

Unable to ssh in a multi-machine vagrant environment

I created a three node multi-machine vagrant environment and am having issues ssh'ing from one vagrant vm to another. Here is the Vagrantfile: Vagrant.configure("2") do |config| config.vm.box = "centos/7" config.vm.define "master" do…
HBach
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How do I detach an existing volume and attach a new volume with Terraform?

Is there a way to detach EBS volume from existing EC2 instance and attach a new EBS volume using Terraform v0.9.2 ? I prefer to replace the volume rather than trying to destroy the instance and create a new one with new volume. File system is…
Berlin
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