A Technical I.T./DevOps Blog
Problem scenario
You want to create a server in Google Cloud Platform using an API or command line. How do you do this?
Solution
1. Log into Google Cloud Platform.
2. Click the hamburger icon in the upper left hand corner (the icon with three horizontal bars stacked onto each other).
3. Go to Compute Engine -VM Instances
4.
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Continue reading “How Do You Create a VM in Google Cloud Platform Using a Command Line or an API?”
Question
What are the different acronym stacks in I.T.?
Answer
There are many open source combinations of technologies that are in wide use. These acronyms referred to as “full stacks” or “stacks” appear in articles and job descriptions. A full stack is a bundle of software that (includes an OS and) can create a complete and functional product when properly configured.
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Continue reading “What Are the Different Acronym Stacks in I.T.?”
Problem scenario
When you completed configuring Kubernetes, you were provided with a URL. But this web page looks minimalistic with no graphics and a white background. The web UI is not complete or polished and looks like a YAML file. How do you get to the regular Kubernetes dashboard that looks like this picture?
Possible Solution #1
1. From the command prompt you set up Kubernetes with,
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Continue reading “How Do You Log into the Kubernetes Dashboard?”
Problem scenario
You have a .yaml configuration file that works with the kubectl command to create a deployment. You want to change the source image from the hub.docker.com to a Google container source. How do you configure the .yaml file to obtain the image from a Google container registry instead of Docker Hub?
Your .yaml file has these four lines (among other lines):
spec:
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Problem scenario
You want to know the Docker images of the pods running in your Kubernetes cluster(s). How do you determine this?
Solution
From your Kubernetes server, run this single multi-line command:
kubectl get pods –all-namespaces -o jsonpath=”{..image}” |\
tr -s ‘[[:space:]]’ ‘\n’ |\
sort |\
uniq -c
It was taken from this link.
[Sassy_Social_Share]Problem scenario
You want to deploy your own LAMP stack with the power of Kubernetes. You do not want to rely on official Docker Hub images for the underlying Docker containers. How do you do this?
Solution
1. Deploy Kubernetes to AWS. If you need help to deploy Kubernetes to AWS, see this link. If you need assistance installing kubectl on any type of Linux (CentOS/RHEL/Fedora,
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Continue reading “How Do You Deploy a LAMP Stack Application Powered by Kubernetes?”
Question
What Is an ARM in Modern Information Technology Vernacular?
Answer / Disambiguation
In I.T. jargon the term ARM can refer to a number of different things. Here are some potential definitions of this acronym in random order:
#1 Azure Resource Manager is a component of Azure. It can be interacted with in the console if you log into a Azure via a web browser.
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Continue reading “What Is an ARM in Modern Information Technology Vernacular?”
Updated 1/12/19
Problem scenario
You want to create an Ubuntu Linux server with one vCPU and one GB of RAM in Azure using PowerShell. You want to use Azure Resource Manager (an ARM template). You do not want to use the Azure Portal for 95% of the work involved. What do you do to automate the process (including the deployment of a resource group, a network security group,
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Continue reading “How Do You Create an Ubuntu Linux VM in Azure Using PowerShell Azure?”
Problem scenario
You want to automate the creation of servers in Azure. You want to try ARM templates to learn more about them. How do you use .json files and Azure PowerShell to do this (without using the web UI)?
Solution
Prerequisites
i. You have a way of running Azure PowerShell commands. If you need assistance with this, see this posting if your workstation is running Windows 7 or this posting if your workstation is running Windows 10.
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Continue reading “How Do You Create Servers Using .JSON Files and Resource Manager in Azure?”
Problem scenario
You have Docker installed. When running “docker ps” you get this error: “An error occurred trying to connect: Get http://%2Fvar%2Frun%2Fdocker.sock/v1.24/containers/json: read unix @->/var/run/docker.sock: read: connection reset by peer”
How do you fix this error so you can use Docker?
Solution
Just because Docker was installed does not mean that the kernel of your OS is supported. Docker may not work despite being installed.
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