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Circle of Life

Non-Denominational: a religious group that does not belong to any deonmination.

  • Create Container on Nutanix using Karbon

    Here is how to create a Kubernetes cluster on Nutanix using Karbon            

    Cowboy Denny
    Cowboy Denny
    Blog

    DevOps Beginners (What to Learn?)

    I am on this path myself but I asked if I could have a map of the path I should follow to get caught up with where the DevOps world is today and I was told... Learn a programming language. Python is a great one to learn and one of the easiest and most powerful Get comfortable with linux.  Most everything DevOps is built on an instance of linux because seriously, windows is old news.  Trying to use linux as your default workspace will help you a lot to get involved with the unix ec

    Cowboy Denny
    Cowboy Denny
    Blog

    Container Orchestration

    For high availability you need to utilize a "Container Orchestration" like Docker Swarm (easy to setup and get started, limited: lacks autoscaling feature for complex applications) kubernetes (difficult to setup and get started, many advanced features, supported by multiple vendors, more so than the other two. Also supported on all cloud providers, also the kubernetes project is the top ranked project on Microsofts GitHub) MESOS (difficult to setup and get started, many adv

    Cowboy Denny
    Cowboy Denny
    Blog

    Kubernetes Ingress Controllers

    A Kubernetes Ingress is a set of rules that exposes cluster services externally. For an Ingress to handle traffic and function, Kubernetes uses an Ingress controller resource that implements Ingress rules within the cluster. Unlike other controllers, Kubernetes does not start an Ingress controller automatically. Rather, it lets administrators choose one or multiple Ingress controllers within a cluster. While Kubernetes maintains the NGINX (Kubernetes managed), AWS Load Balancer Controller,

    Cowboy Denny
    Cowboy Denny
    Blog

    Install Docker CE on Debian/Ubuntu

    Docker is the most popular and widely used container runtime. It enables you to package and run your applications in isolated containers in a single server or cluster of Linux servers orchestrated by Kubernetes and similar tools. Docker Components / Terminologies Below are commonly used terminologies in Docker ecosystem. Docker daemon: This is also called Docker Engine, it is a background process which runs on the host system responsible for building and running of containers.

    Cowboy Denny
    Cowboy Denny
    Blog
  • Ansible

    Infrastructure as Code (IAC): Ansible is a suite of software tools that enables infrastructure as code. It is open-source and the suite includes software provisioning, configuration management, and application deployment functionality.

    guru
    guru
    4.Build 1

    Kubernetes

    Production-identical environments for development: Developers use open source tools like Kubernetes to provision individual development environments. Coding against virtual, disposable replicas of production helps you get more work done.  

    guru
    guru
    4.Build 2

    DevOps:Continuous Operations

    This is the final step of the DevOps Pipeline OPERATE/Environment (80%) Notifications Recovery Logging MONITOR/Infrastructure (100%) Feedback Data Collection Productivity Customers are already telling you whether you’ve built the right thing – you just have to listen. Continuous feedback includes both the culture and processes to collect feedback regularly, and tools to drive insights from the feedback. Continuous feedback practices include

    guru
    guru
    8.Operate

    DevOps:Continuous Testing

    This has about 10% of RELEASE/Repository Schedule plan Micro-services 100% of DEPLOY/Blue-Green Strategy Configuration Automated deployment Multi-level 20% of OPERATE/Environment Notifications Recovery Logging

    guru
    guru
    7.Deploy

    DC/OS

    DC/OS (the Distributed Cloud Operating System) is an open-source, distributed operating system based on the Apache Mesos distributed systems kernel. DC/OS manages multiple machines in the cloud or on-premises from a single interface; deploys containers, distributed services, and legacy applications into those machines; and provides networking, service discovery and resource management to keep the services running and communicating with each other. https://dcos.io/  

    guru
    guru
    7.Deploy

    Docker

    A leader in software containerization, Docker is used by 11 million+ developers across the world. Solomon Hykes is its original author and it was released in 2013 by Docker, Inc. As a DevOps tool, Docker helps developers to build, package, and then deploy the codes with ease and speed via containers with needed dependencies instead of virtual machines. It eliminates mundane configuration activities and fosters effective team collaboration. Docker ensures that the same software developm

    guru
    guru
    7.Deploy
  • Cowboy Denny
    Cowboy Denny

    scp

       (0 reviews)

    SCP Linux Command – How to SSH File Transfer from Remote to Local

    SCP Syntax

    scp [OPTIONS] [[user@]src_host:]file1 [[user@]dest_host:]file2
    • scp - It initializes the command and ensures a secure shell is in place.
    • OPTIONS - They grant different permissions depending on how they have been used. Some of the most common options include:
    • P(Caps) - specifies the port to establish connection with the remote host.
    • p(lowercase) - preserves the times-tamp for ease of modification and access.
    • r - copies the entire directory recursively
    • q - copies files quietly, doesn't display the progress messages. Also known as quiet mode.
    • C - for compression of data during transmission.
    • To understand more about OPTIONS read scp options
    • src_host - where the file is hosted. The source can either be a client or server depending on the origin of the file.
    • dest_host - where the file will be copied to.

    Examples

    Copy File from Local Host to Remote Host

    scp test.txt user@destination:/location

    Copy all files ending in php to Remote Host

    scp *.php user@destination:/~/
    • *.php - copies all the files with the .php extension in the currently specified folder.
    • /~/ - means copy them to the home directory.

    Copy a file with one name but save it on remote host with a different filename

    scp -P 8080 test.txt user@destination:/user/home/test2.txt

     

    Copy Files from Remote Host to Local Host

    scp <remote_username>@<IPorHost>:<PathToFile> <LocalFileLocation>

    Copy File test2.txt from Remote Host to Local Host

    scp user@remotehost:test2.txt .

    Copy Files from Remote Host to another Remote Host

    scp [email protected]:/files/test.txt [email protected]:/files

    Copy Multiple Files

    scp file1 file2 ... user@<ip_address_of_user>: Destination

    So SCP is a very powerful tool when needing to move files around between systems over the network

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