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Linux Sysadmins – Linux Guides, Nix Guides, Tutorials, Tips & Tricks.

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Cloud & Containerization

Docker Cheat Sheet for Sysadmins

Posted on: June 22, 2019March 6, 2022

Docker cheat sheet for sysadmins and developers will help to have a quick peek in the case for any future reference. This contains most of all docker options.

Cloud & Containerization

Creating an HA Docker Swarm over AWS

Posted on: April 22, 2019March 6, 2022

Introduction Hello everyone!!! In this post, we will be discussing Docker Swarm creation over AWS. As we all know, Docker is a technology that allows you to build, […]

How to attach a Docker volume to the container
Cloud & Containerization

How to attach a Docker volume to the container

Posted on: November 6, 2018March 6, 2022

how to attach a persistent volume in a docker container. If we don’t have separate storage the data will not persist once the container is no longer up and running.

How to manage Docker containers
Cloud & Containerization

How to manage Docker containers

Posted on: November 2, 2018March 6, 2022

How to manage Docker containers by stopping, resuming, killing and removing. Removing Docker images required docker stop then we can remove them.

How to expose the docker network
Cloud & Containerization

How to expose the docker network

Posted on: October 29, 2018March 6, 2022

Connect with Docker containers and expose the docker network to know the IP address and ports. Launch a container using the specific forward IP address.

How to search for docker images and launch a container
Cloud & Containerization

How to search for docker images and launch a container

Posted on: October 27, 2018March 6, 2022

How to launch a Docker container by searching for a docker images in docker registry. By the following pull and launch a docker container from command line.

Installing Docker on Red Hat Enterprise Linux and CentOS Linux 7
Cloud & Containerization

Installing Docker on Red Hat Enterprise Linux and CentOS Linux 7

Posted on: October 22, 2018March 6, 2022

Docker is an open-source software which helps to set up with Container as a service CaaS. It will covert the operating system as a virtualization platform.

  1. Gerald on Single Node OKD (OpenShift) Setup: A Fast and Easy GuideDecember 15, 2024

    Hi, in the 'Starting with Bootstrapping' step I have this error: DEBUG Still waiting for the Kubernetes API: Get "https://api.xxx.local:6443/version":…

  2. jos on How to Configure Sudo email alertMarch 4, 2022

    Hi! Some way to send commands write as root by email? Thanks!

  3. paul on Monitoring Proxmox with InfluxDB and Grafana in 4 Easy stepsMarch 1, 2022

    Tried 12966 per your example, got error "failed to import dashboard."

  4. Anonymous on Migrate existing Iptables to Nftables in RHEL8/CentOSFebruary 27, 2022

    I followed the procedures and successfully loaded some weird 8081 port configurations needed for the app, however I discovered it…

  5. sy on Install Ansible AWX on Kubernetes in 5 minutesFebruary 17, 2022

    tried many times - followed all steps but was unable to setup custom context I always get -> The connection…

Ansible (11) Apache (5) Docker (7) foreman (5) IDM Server (7) Kubernetes (14) linux commands (5) Linux networking (10) Linux Security (5) Logical Volume Management (13) OpenShift (8) Oracle Database (5) Solaris 11 (4) Solaris OS (6) VMware (5)

  • OKD Cluster (OpenShift) Installation on Bare Metal
  • Configuring HAProxy LB for OKD HA Cluster
  • Configuring DHCP Server for OKD HA Clusters
  • Configuring BIND DNS Server for OKD HA Clusters
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