Questions tagged [devops]
The devops tag has no usage guidance.
63
questions
-2
votes
0
answers
24
views
General infrastructure artchitecture/best practice: Developing locally against and azure hosted postgres
General infrastructure artchitecture/best practice: Developing locally against and azure hosted postgres
I've created an infrastructure on azure using terraform that is the following:
public virtual ...
- 97
0
votes
0
answers
118
views
(111: Connection refused) while connecting to upstream nginx with docker
I am trying to dockerizing a angular universal app using nginx, and it's giving me really hard time.
I have looked everywhere and haven't found a solution.
Dockerfile
FROM node:14-alpine AS builder
...
0
votes
1
answer
90
views
apache "Options Indexes" working localhost but not with public DNS name
I have a Kubernetes cluster and a very basic container. I am trying to access it through the internet and the task is very simple, I just need to list the index of the directory. Here is my basic ...
- 35
0
votes
1
answer
534
views
Forwarding apache logs from k8s Pod to Syslog server
I am new to Kubernetes, I know there are multiple ways to log collection. but I am specifically asking about my scenario. we have a Syslog xyz.com port 8090. now we want our pods to send logs to our ...
- 35
0
votes
0
answers
74
views
How to run the following commands on the master node before executing any pipeline in Jenkins. can't find any option to run pre build step
How to run the following commands on the master node before executing any pipeline in Jenkins. can't find any option to run pre build step.
docker system prune --all
docker volume prune
- 83
1
vote
1
answer
282
views
Proof that aws cloudwatch get-metric-statistics works
I am learning to use the aws cloudwatch get-metric-statistics subcommand in the AWS command line tool. To prove to myself that I am using the tool correctly, I would like a simple example command that ...
0
votes
0
answers
562
views
Error occurred while creating a cluster using Kubespary
I want to create a Kubernetes cluster using Kubespary. I have created three nodes. I am using the official documentation: https://kubernetes.io/docs/setup/production-environment/tools/kubespray/ I ...
- 1
1
vote
2
answers
2k
views
What is the difference between Cloud-Init and Autoinstall?
So I have been trying to essentially install Nixos from the official site with a Cloud-Init for Ubuntu Server 22.04. I want to really understand how to install packages that I potentially might have ...
- 127
0
votes
1
answer
432
views
ansible print folder path from register variable
I'm trying to print just the path of a register var that has multiple values, however I can only print a specific value. how can I print multiple values?
---
- name: find directories
find:
...
- 1
0
votes
0
answers
29
views
Updating the `/etc.ufw/before.rules` file to allow `ufw` firewall redirection
I need to Configure My Server so that the ufw firewall running on it can redirect port 8080/TCP to port 80/TCP. From quick research, I know I can do it in Two ways; one is to run a command similar to;
...
- 1
0
votes
0
answers
92
views
Is there anyway i can build iOS app using Jenkins without using MAC machine (even without using slave MAC mechine)
In our organisation, we have Jenkins master server running on Linux, and able to build the Android apps and deploy it to app store.
But how to use the same Jenkins server to build the pipeline for the ...
0
votes
1
answer
951
views
What does "COPY --from=build-env /app/build/web /usr/share/nginx/html" do?
I have a Dockerfile as following:
# Install Operating system and dependencies
FROM ubuntu:22.04 AS build-env
RUN apt-get update
RUN apt-get install -y curl git wget unzip libgconf-2-4 gdb libstdc++6 ...
- 367
0
votes
0
answers
92
views
git and/or azure devops treat folders that start with . as submodules
I have a problem with the pipeline where it wouldn't checkout the .iac folder. However, when I changed it to iac (from .iac)it worked. Additionally I am seeing that the .azuredevops folder isn't being ...
- 111
0
votes
1
answer
345
views
My website is working when https://www.example.com but not when https://example.com
I have purchased the domain from Godaddy.
My website is working when
https://www.example.com
example.com
www.example.com
Not working when
https://example.com
I want to know where I need to add ...
- 101
0
votes
1
answer
186
views
Delay A pipeline For 24Hours
Hello Im using Azure piplines for some tasks
Here is a simiple example of what im trying to achieve :
what im trying to do is to to trigger pipline2 after pipeline1 complition (this is done)
and once ...
3
votes
1
answer
3k
views
Why does argocd keep re-syncing my Job?
I'm deploying an application using ArgoCD. The deployment manifests include a Job that performs some one-time initialization for the application. The Job resource looks like this:
apiVersion: batch/v1
...
- 43.8k
1
vote
2
answers
1k
views
Serving ArgoCD behind Traefik in Kubernetes
I would like to run ArgoCD behind Traefik such that I can both access the ArgoCD web ui and interact with the API using the argocd command line tool.
I have deployed ArgoCD into a Kubernetes cluster ...
- 43.8k
0
votes
0
answers
32
views
How vps instance like aws, google cloud,... scale with containers?
As I understand. K8s will use the blueprint to create multiple containers on the same machine. But how this gonna help the scalability. For example, my laptop got 2 pods of backend servers and they ...
0
votes
0
answers
66
views
Incoming apiserver requests
is there any option to see what request is reaching apiserver?
I'm struggling with error
authentication.go:104] Unable to authenticate the request due to an error: x509: certificate has expired or is ...
- 31
0
votes
1
answer
233
views
Deploying monorepo without SSH
Full Disclosure: I'm a DevOps noob.
I am running a MERN mono repo on an EC2 instance. Originally, I would always SSH into my machine, pull from the repository, and build again. But there are problems ...
1
vote
0
answers
142
views
Amazon OpenSearch Service stably or less downtime?
Can anyone point out, What is the best way for the elastic search to run stably? We frequently get messages about it requiring updates and that an update requires some downtime.
Could we have 2 ...
0
votes
1
answer
736
views
AWS Policy to Read/write RDS
In my scenario , I want a policy that will allow reading and writing of abc-database-backups/rds/postgresql-backup on S3? We'll want the my servers to have that access added.
Is creating a role and ...
- 1
1
vote
1
answer
932
views
Hashicorp Vault How Do I Login Headless From STDIN Using Bash Shell?
Given a Bash Shell say in a Docker container running on Gitlab, for example, how would I get the password to get passed in?
When I login with this:
$ vault login -method=ldap username=myusername
It ...
0
votes
1
answer
882
views
Can not redirect https with upstream directive
With such config a I get redirecting to google.com
server {
listen 80;
proxy_ssl_server_name on;
rewrite_log on;
location / {
proxy_pass https://google.com;
}
}
but if I ...
- 101
0
votes
1
answer
5k
views
Jenkins Shell script not working. Yarn: command not found
I am running jenkins to build a react app and executing shell commands to build the app automatically. I following are the bash commands
cd /var/www/FarmGroWeb
sudo git reset --hard
sudo git pull ...
- 235
0
votes
0
answers
90
views
Individual Local Accounts on AWS
I'm my scenario, Currently, we have all developers connect to ec2 instances using the ec2-user account. Is there a better way to do this so we can see which actions developers take on the machines?
I'...
- 81
1
vote
1
answer
216
views
Puppet manifest configuration for docker image verification
I’m quite new to devops/ci/cd, so bear with me.
Currently, I’m getting a puppet manifest configuration set up for docker image verification. Let me try to layout it out:
I have a puppet master server ...
- 113
1
vote
2
answers
804
views
Terraform: How to Detect and Branch on Operating System?
Given this block of pseudo code from Terraform:
resource "null_resource" {
provisioner "local-exec" {
command = "echo hello"
interpreter = local.os == ...
1
vote
1
answer
1k
views
How to tag docker image with git commit code short id, in azure devops?
I saw few links where I can tag my docker image using ${Build.SourceVersion} in azure devops pipeline.
But it is using the complete ID of the commit.
But I want to use only the short ID.
I mean this (...
0
votes
1
answer
524
views
Ansible playbook - defining var based on condition
I want to create a var based on condition so I created the below :
hosts: test
vars: vtarget_backup_folder_in_progress: "{{ "{{ folder }}/{{ target }}/test{{ hostvars['localhost']['tstamp']....
- 1
0
votes
2
answers
3k
views
How to enable local image registry on OpenShift Single Node Cluster installation
I've recently completed an installation of a Single Node Cluster using OpenShift 4 but I'm running into issues when trying to spin up some of the example container / projects they have available. I ...
- 41
0
votes
1
answer
659
views
Best solutions for auto deployment of multiple server applications
I'm still a newbie to devops and overall sysadmin, and a few days ago I wanted to completely reinstall everything on my server and properly setup services and deployment for apps, now my problem is ...
0
votes
0
answers
41
views
deciding on docker architecture setup and performance
I will need to virtualize a jenkins software architecture and I don't know which architcture will be more efficient.
I need :
a jenkins server
an opensuse server for c/c++ 64 bits compilation
an ...
- 101
0
votes
0
answers
283
views
AWS cdk environment strategy: one per branch, one per developer, or only dev/staging/prod?
we're currently setup with a dev, staging, and prod environments on aws. We're finding it hard to do QA properly, since often many commits happen in a short span of time, and are all included in a ...
- 101
0
votes
2
answers
7k
views
Ansible task output to a file in ansible server
I'm writing a playbook that will check the application version on different hosts and write the output to a Ansible variable.
My requirement is I want to output the ansible variable to a file output....
- 399
1
vote
1
answer
255
views
how to configure ingress controller in kubernetes cluster over bare metal system?
Is there any way to assign static IP to Kubernetes cluster, in which any user can able to access its application over static IP only.
for an example, I have set up a cluster over 192.168.0.131 (master)...
1
vote
1
answer
1k
views
System-wide Docker login?
Is there any way to log a whole machine / Docker daemon into a registry?
Everything I see about docker login and various proprietary credentials helpers uses ~/.docker/config.json, i.e. is per-user.
I ...
- 888
1
vote
1
answer
340
views
What are the benefits and issues of naming Linux user groups as singular vs. plural? [closed]
Conventionally, a group is plural, so it would follow to name a Linux group with the plural of a noun (e.g. 13 accountants in the accountants group). This may have unintended consequences. For example,...
- 213
1
vote
1
answer
1k
views
How to win_ping to hosts with inventory and group_vars files?
I'm trying to write a correct command line that will ping to all hosts that are detailed in my inventory file
my dockerfile:
FROM centos:7
RUN yum check-update; \
yum install -y gcc libffi-devel ...
- 87
0
votes
1
answer
608
views
What are common variables to mention in an inventory ansible yaml file?
I try to build a pipe-line to install my product.
My product is installed in a lab with at least 8 machines (on-prem lab).
I have several labs on-prem, several labs on cloud
Each machine has a role, ...
- 87
1
vote
1
answer
124
views
how to monitor a secure lab's machine and product's log files from my organization laptop?
I'm trying to find a solution that will help me to monitor the product's machines and log files in each one of them. here are some fact about my working environment:
I have a product that's installed ...
- 87
-1
votes
3
answers
4k
views
Adobe Reader DC automated install using PowerShell
I wanted to automate the installation of Adobe Reader DC using an existing executable file (AcroRdrDC1501020060_en_US.exe) present in my local computer with a PowerShell script in non-interactive ...
1
vote
1
answer
242
views
How to check application responding in Kubernetes
I have a .net framework application written in C# running in K8s orchestration. I simply want to check in fixed interval (lets say in every 300sec) that my application which is running inside pod is ...
- 265
2
votes
2
answers
2k
views
How to get the nearest subdirectory of a file as output in PowerShell?
I need to get only the nearest subdirectory and file name from the file path as follows.
Ex:-
(1)E:\Dump\DumpText-1.txt - Dump\DumpText-1.txt
(2)E:\Dump\SubDump1\DumpText-1.txt - SubDump1\DumpText-1....
-1
votes
1
answer
592
views
OpenShift internal docker registry inaccessible
I am trying to connect with the internal docker registry of an openshift cluster with
/bin/docker login -u user -p password` `oc get svc -n default | grep docker-registry `:5000
Getting the following ...
- 1
1
vote
0
answers
80
views
Open shift internal registry lost connection with the cluster
As a result getting image pull error while submitting the deployment to the kube API. Even the docker registry pod IP is in connection but VIRTUAL IP of docker registry lost connection with the ...
- 11
0
votes
1
answer
4k
views
Ansible to rename a file only if exists
I need to rename /jp/Test to /jp/test only if /jp/Test exists , otherwise i dont need to perform this task. if Both exists i need to merge both into /jp/test
I get below error
{"msg": "...
- 43
1
vote
1
answer
39
views
Unsure how to proceed from DigitalOcean droplets and CircleCI deployments to just automating the whole setup
I work within a small dev team and our current infrastructure is setup with GitHub for code, CircleCI to deploy these to our DigitalOcean Ubuntu droplets whenever something is merged into the develop ...
- 11
1
vote
0
answers
49
views
What is the standard way to install jdk for wildfly on production?
There are options like, install from repo, install from rpm and install from tar/zip/etc archive
What are the pros and cons?
One con of installing from archive is, you don't get security updates. Is ...
- 11
0
votes
1
answer
263
views
Is it good practice to out MySQL or Apache in /opt/ folder?
So at my company they want to put all the application software in The /opt/application folder. This strikes me as odd because they consider server daemon like Apache and MySQL as application ...
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