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Docker Tutorials: Enable docker deaamon to be accessible from the remote machine using API or docker client
Docker Tutorials Fundamental To Advanced-2021 Crash Course:- https://bit.ly/3hOIbTB
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Docker Tutorials: Upgrade Community to Docker Engine – Enterprise
Docker Tutorials Fundamental To Advanced-2021 Crash Course:- https://bit.ly/3hOIbTB
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Docker Tutorials: Specify the size limit while creating the docker volume?
If you want to use Volume with Containers, please refer this url. Volumes are often a better choice than persisting data in a container’s writable layer, because a volume does not increase the size of the containers using it, and the volume’s contents exist outside the lifecycle of a given container. When its comes to…
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Docker Tutorials: Image – Optimize faster builds and smaller docker images using multistaging build?
Problem with traditional approach of creating docker image? One of the most challenging things about building images is keeping the image size down. Each instruction in the Dockerfile adds a layer to the image, and you need to remember to clean up any artifacts you don’t need before moving on to the next layer. It…
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Docker Tutorials: docker update command explained with examples
The docker update command dynamically updates container configuration. You can use this command to prevent containers from consuming too many resources such as CPU and memory from their Docker host. With a single command, you can place limits on a single container or on many. Notes With the exception of the –kernel-memory option, you can…
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Docker Compose Tutorials: Wait for container one before starting container second
Referencehttps://stackoverflow.com/questions/31746182/docker-compose-wait-for-container-x-before-starting-y QuestionsI am using rabbitmq and a simple python sample from here together with docker-compose. My problem is that I need to wait for rabbitmq to fully started. From what I searched so far, I don’t know how to wait with container x ( in my case worker ) until y (rabbitmq) is started. Answer…
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Docker Tutorials: Configure Docker daemon with a configuration file?
What is docker Daemon? The Docker daemon is a service that runs on your host operating system.It currently only runs on Linux because it depends on a number of Linux kernel features, but there are a few ways to run Docker on MacOS and Windows too. What is daemon.json? daemon.json is the file name which…
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Docker Tutorials: Configure Docker client with a configuration file?
What is Docker client? The Docker client ( docker ) is the primary way that many Docker users interact with Docker. When you use commands such as docker run , the client sends these commands to dockerd , which carries them out. The docker command uses the Docker API. The Docker client can communicate with…
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Docker Tutorials: Image – Create a image using Dockerfile
We learnt docker so we can create better docker images using dockerfile? What is dockerfile? Rule of dockerfile? Example of Dockerfile Lab & Excercise Reference
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Docker Tutorials: Image – Dockerfile to Build a Fedora Container
The administrator may decide that building interactively is tedious and error-prone. Instead the administrator could create a Dockerfile that layers on the Apache Web server and the web site content in one build. Learning The docker run command must specify an IMAGE to derive the container from. An image developer can define image defaults related to: detached or foreground…
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Datadog Tutorials: Datadog Agent integration with mysql databases?
How to setup Datadog Agent integration with mysql to collect many metrics from MySQL databases? The Datadog Agent can collect many metrics from MySQL databases, including (but not limited to): You can also create your own metrics using custom SQL queries. The following metrics will be tracked by this integration: Name Units Description mysql.binlog.cache_disk_use transactions…
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AWS Assignment
Part – 1: General AWS Assignment: Computing AWS Lab & Exercise: VPC – Virtual Private Cloud Assignment AWS Cloudformation Lab and Assignment AWS Storage Write an answer for debug.school for the following questions Projects: Step by Step guide for Buy a domain at AWS Route53 & develop one static CV website and host at aws…
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Jenkins Tutorials: Scripted Pipeline jenkinsfile example
Pipeline: Basic Steps catchError: Catch error and set build result to failure deleteDir: Recursively delete the current directory from the workspace dir: Change current directory echo: Print Message error: Error signal fileExists: Verify if file exists in workspace isUnix: Checks if running on a Unix-like node mail: Mail pwd: Determine current directory readFile: Read file…
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Maven Tutorials: Maven Lifecycle, Phases & Goal
What is Lifecycle? A life cycle is a series of stages a living thing goes through during its life. All plants and animals go through life cycles. It is helpful to use diagrams to show the stages, which often include starting as a seed, egg, or live birth, then growing up and reproducing. Life cycles…
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Shell Scripting Tutorials: Conditional statatement using if
Conditional Statements: There are total 5 conditional statements which can be used in bash programming if statementif-else statementif..elif..else..fi statement (Else If ladder)if..then..else..if..then..fi..fi..(Nested if)switch statement Here are some useful examples of if-else in shell scripts to give you a better idea of how to use this tool. Command Description && Logical AND $0 Argument 0 i.e….
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5 Tips for Learning Cloud Computing
5 Tips for Learning Cloud Computing Getting started with cloud computing can be intimidating if you lack the support, resources, and knowledge to go through it the right way. However, if you are passionate about tech, you can successfully master your subject of interest and build a lucrative career out of it. Here are a…
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Terraform: Example Code for Create Multiple Azure Linux Vms
Step 1 – Install terraform Step 2 – Copy a followng code into new directory in file called “main.tf” Step 3 – Create IAM user and assign Service Principal Access? Step 4 – update main.tf with following entry Step 5 – Go inside a directory and run following command
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How to login linux server of AWS from windows using putty?
How to Generate PPK file from PEM using PuttyGen? AWS by default do not allow accessing a linux server using password so only key is allowed. But .pem file which is private key is not supported by PUTTY in windows, however, this putty file can be used in gitbash. So in order to access linux…
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GitLab Tutorials: Gitlab integration with PlantUML
What is PlantUML? PlantUML is an open-source tool allowing users to create diagrams from a plain text language. Besides various UML diagrams, PlantUML has support for various other software development related formats, as well as visualisation of JSON and YAML files. The language of PlantUML is an example of a domain-specific language. PlantUML Capabilities PlantUML…
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GitLab Tutorials: Understanding runner config.toml & Example of config.toml
The config.toml file is what configures a runner. You wouldn’t have one unless you’re running your own gitlab-runners, in which case it would be in /etc/gitlab/config.toml on the host running the runner. You can change the behavior of GitLab Runner and of individual registered runners. To do this, you modify a file called config.toml, which…
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GitLab Tutorials: Example of .gitlab-ci.yml
.gitlab-ci.yml file to run with Docker runner Build a Docker image with CI/CD and push to the GitLab registry
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GitLab Tutorials: Gitlab integration with Mailgun
Most of the Mailgun service can be accessed through the RESTful HTTP API without the need to install any libraries. It is organized around the four major features that Mailgun provides: Sending Messages Tracking Messages Receiving, Forwarding and Storing Messages Email Verification Inbox Placement When you use Mailgun to send emails for your GitLab instance…
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GitLab Tutorials: Gitpod integration with Gitlab
Spin up fresh, automated dev environments for each task, in the cloud, in seconds. Learn how to start using Gitpod on an example project that is hosted on GitHub in less than 5 minutes. For simplicity we use GitHub as the git hoster but the steps outlined work equally well for GitLab and Bitbucket. This…
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GitLab Tutorials: Running SAST in an offline environment in Selfhosted
For self-managed GitLab instances in an environment with limited, restricted, or intermittent access to external resources through the internet, some adjustments are required for the SAST job to run successfully. It’s possible to run most of the GitLab security scanners when not connected to the internet. This document describes how to operate Secure Categories (that…
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GitLab Tutorials: How to setup and run GitLab Runner in a container?
Step 1 – Install Latest Version of Docker Step 2 – Run “gitlab-runner” command in the container Step 3 – Register the runner The following steps describe launching a short-lived gitlab-runner container to register the container you created during install. After you finish registration, the resulting configuration is written to your chosen configuration volume (for…
