1. Awx Docker Swarm
2. Ansible Awx Docker

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Docker and Oracle Databases: Finding the Sweet Spot - A blog post discussing the issues related to running Oracle databases in Docker. AWX Installation on Oracle Linux 7 (OL7) Using the Docker-Compose Method - This article describes how to install AWX, the upstream project for Ansible Tower, on Oracle Linux 7 (OL7) using the Docker-Compose method. With ‘docker build‘ command we can build our own docker image with DockerFile. email protected # docker build -t mycentos:web1. Also Read: How to build Docker Container Images with Dockerfile. Example: 20 Set Tag / Name to Docker Image ‘docker tag’ command is used to set tag or name of docker image into a repository. If submitting a large code change, it's a good idea to join the #ansible-awx channel on irc.freenode.net and talk about what you would like to do or add first. This not only helps everyone know what's going on, but it also helps save time and effort if the community decides some changes are needed. How can I install Docker CE on Ubuntu 20.04 19.04 18.04 16.04 Linux distribution. Docker Engine is a container runtime engine which allows you to package your applications with all of its dependencies into a standardized unit for software development and distribution.

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Database Installation Matrix

For installations on RHEL clones, like Oracle Linux and CentOS, use the instructions provided below for the appropriate RHEL release.

Application Server Installation Matrix

For installations on RHEL clones, like Oracle Linux and CentOS, use the instructions provided below for the appropriate RHEL release.

Enterprise Manager Grid Control Installation Matrix

For installations on RHEL clones, like Oracle Linux and CentOS, use the instructions provided below for the appropriate RHEL release.

Operating System Installations

These articles provide a pictorial guide for performing an installation of Oracle linux.

These articles provide a pictorial guide for performing an installation of RHEL.

These articles provide a pictorial guide for performing an installation of Fedora.

Here are some miscellaneous installation articles.

Miscellaneous Articles

Apache Tomcat 6 Installation on Linux (RHEL and clones) - A guide to installation of Apache Tomcat 6 on RHEL and its clones.

Apache Tomcat 7 Installation on Linux (RHEL and clones) - A guide to installation of Apache Tomcat 7 on RHEL and its clones.

Apache Tomcat 8 Installation on Linux (RHEL and clones) - A guide to installation of Apache Tomcat 8 on RHEL and its clones.

Apache Tomcat 9 Installation on Linux (RHEL and clones) - A guide to installation of Apache Tomcat 9 on RHEL and its clones.

Apache Tomcat : Default Redirect - This article explains how to perform a default redirect from the root location on an Apache Tomcat installation to a specific page.

Apache Tomcat : Enable HTTPS - This article show how to enable HTTPS for Tomcat. It uses a self-signed certificate, but you could replace this with a valid Certificate Authority (CA) certificate.

Automating Database Startup and Shutdown on Linux - Use these methods to automatically startup and shutdown your database instances when your system starts and stops.

ASM using ASMLib and Raw Devices - Set up ASM using raw devices or ASMLib and switch between the two.

Configuring HugePages for Oracle on Linux (x86-64) - This article explains how to configure HugePages for Oracle on Linux (x86-64).

Convert RHEL 5.x to Oracle Linux 5.x - Follow this procedure to convert a RHEL5 installation to an Oracle Linux 5 installation.

Configuring Software RAID on Oracle Linux 6 - This article describes the steps required to configure software RAID on Oracle Linux 6.

Configuring VNC Server on Linux - This article describes how to configure VNC Server on a Linux using both the init and systemd methods.

Configuring the Alcatel SpeedTouch USB modem on RedHat 7.3 - 9.0 and Fedora - A guide to configuring an ADSL connection on RedHat and Fedora Linux using the Alcatel SpeedTouch USB modem.

Create a Local Yum Repository for Oracle Linux 6 - Learn how to create a local Yum repository for Oracle Linux 6.

Create a Local Yum Repository for Oracle Linux 7 - Learn how to create a local Yum repository for Oracle Linux 7.

Create a Local Yum Repository for Oracle Linux 8 - Learn how to create a local Yum repository for Oracle Linux 8.

Create an ODBC Data Source Name (DSN) on Linux - This article describes how to create an ODBC data source name (DSN) on Linux.

Create Self-Signed SSL Certificates - Notes on how to create self-signed SSL certificates using a variety of methods.

Direct and Asynchronous I/O - Take advantage of the performance advantages associated with Direct and Asynchronous I/O.

DNS Configuration for the SCAN used with Oracle RAC Database 11g Release 2 - A basic description of the DNS configuration required for the SCAN associated with an Oracle RAC database in 11g Release 2.

Dnsmasq : For Simple DNS Configurations - Learn how to use Dnsmasq, rather than BIND, for simple DNS configurations.

Download the Latest Oracle Linux Repo File - A brief description of how to get the latest repository files for Oracle Linux.

Fedora DNF System Upgrade - The article explains how to upgrade a Fedora installation using the DNF.

Git 2.x Installation on Linux - This article describes the manual installation of Git 2.x on Linux.

Git Cheat Sheet - A few of the Git commands I find myself using all the time.

GNU Screen Utility - The GNU screen utility allows you to protect long running processes from being killed by network failures.

JRockit Installation on Linux - A quick guide to installing the JRockit JDK on Linux.

Kickstart - Automated Installations of Red Hat Enterprise Linux - Save time by automating the installation and post installation configuration of Linux.

Large SGA On Linux - Configure a shared memory file system (shmfs) to allow large SGA sizes on Linux.

Let's Encrypt - Free Certificates on Oracle Linux (CertBot) - This article shows you how to use Let's Encrypt to get free certificates for publicly facing web servers.

Linux Antivirus (clamav, freshclam, clamscan, clamtk) - Install and use ClamAV, the free and simple antivirus software for Linux.

Linux Automatic or Timed Login (Oracle Linux, RHEL, CentOS) - Using automatic login or timed login on a server or your main PC is a really bad idea, but you might want to use this feature on a test VM.

Linux Scripts Running in the Background - This articles gives a brief explanation of running scripts in the background.

Manual Oracle Uninstall - Having trouble removing all Oracle software using the OUI? Try these methods.

NIC Channel Bonding in RHEL 5 & 6 (CentOS & Oracle Linux) - Use NIC channel bonding to enable multiple network interfaces to act as one.

OCFS2 On Linux - Use OCFS2 to create cluster file systems on Linux.

Oracle Linux : Frequently Asked Questions (FAQs) - Answers to some of the common questions about Oracle Linux.

OS Backup Commands - A summary of the operating system backup commands you might encounter whilst backing up Oracle databases.

PXE Network Installations (RHEL5 / OL5) - A brief run through the steps necessary to enable PXE network installations of RHEL5 and Oracle Linux 5.

PXE Network Installations (RHEL6 / OL6) - A guide to setting up a PXE server to enable PXE network installations of RHEL6 and Oracle Linux 6.

Awx Docker Swarm

rlwrap for Command Line History and Editing in SQL*Plus and RMAN on Linux - Add command line history and basic editing to SQL*Plus and RMAN on Linux.

Spacewalk : Installation on Oracle Linux - This article explains how to install Spacewalk on Oracle Linux. You do not need a support contract for Oracle Linux to use this method.

Spacewalk : Basic Usage (Repositories, Channels and Clients) - An overview of using channels, repositories and clients in Spacewalk

SSH Tunnel (Port Forwarding) to access - This short post will demonstrate opening a SSH tunnel to get to a port on a remote server, which you don't have firewall access to reach.

UDEV SCSI Rules Configuration for ASM in Oracle Linux 5, 6, 7 and 8 - Setting up UDEV rules for SCSI disk ownership and permissions in Oracle Linux 5, 6, 7 and 8.

UNIX Commands For DBAs - A selection of UNIX/Linux commands including those for monitoring performance.

User Equivalence Configuration on Linux - This article describes two methods for configuring user equivalence on Linux.

Using NFS with ASM - This article describes how to use files presented using NFS as disks in ASM.

Vagrant : A Beginner's Guide - This article gives a very brief introduction to Vagrant.

Install and Configure a Gitlab Runner on Oracle Linux - This article describes how to install and configure a GitLab runner on Oracle Linux for use with CI/CD automation pipelines.

RHCSA and RHCE

RHCSA and RHCE 6 Certifications - An introduction to the series of articles that will be presented on this site covering the Red Hat Certified System Administration (RHCSA) and Red Hat Certified Engineer (RHCE) exams.

RHCSA

RHCSA Objectives - A complete list of the exam objectives, plus links to articles that cover them.

Oracle Linux 6 Installation - A pictorial guide for performing a default installation of Oracle Linux 6. Oracle Linux is a binary clone of RHEL, so the installation process is very similar.

Kickstart - Automated Installations of Red Hat Enterprise Linux.

PXE Network Installations (RHEL6 / OL6) - A guide to setting up a PXE server to enable PXE network installations of RHEL6 and Oracle Linux 6.

Configuring VNC Server on Linux - How to configure VNC Server on a Linux using both the init and systemd methods.

KVM Overview - An overview of KVM virtualization on Enterprise Linux 6.

Linux Disk Partitioning (fdisk, parted) - Disc partitioning utilities available in Linux.

Linux File Systems (mkfs, mount, fstab) - An introduction to Linux file systems.

Linux Logical Volume Management - An introduction to Logical Volume Management (LVM) in Linux.

Linux Unified Key Setup (LUKS) Encrypted File Systems - How to create and mount Linux Unified Key Setup (LUKS) encrypted file systems.

Linux Run Levels, Boot, Reboot, Shutdown - Linux run levels and boot, reboot and shutdown operations.

Installing Software Packages (rpm, yum) - An overview of the rpm and yum commands for installing software packages on Linux.

Linux Process Management (ps, top, renice, kill) - An introduction to some of the commands and utilities used to manage processes on Linux.

Linux Groups and Users - Create, modify and remove local groups and users on Linux.

Linux Files, Directories and Permissions - An overview of files, directories and permissions on Linux.

Linux Redirection And File Processing - Basic input and output redirection and file processing on Linux.

CRON : Scheduling Tasks on Linux - Learn how to scheduler tasks on Linux using CRON.

Access Remote Servers from Linux (ssh, vncviewer) - Learn how to access remote servers from Linux using SSH and VNC.

Linux Archive Tools (tar, star, gzip, bzip2, zip, cpio) - This article discusses the archiving tools available in Linux.

Linux HTTP and FTP Server Configuration - Configure Default HTTP and FTP servers on Linux.

Linux Services (service, chkconfig, system-config-services) - This article describes the commands to manage services on Linux.

Linux Services (systemd, systemctl) - This article describes the commands to manage services on Linux systems using systemd.

Linux Network Configuration (system-config-network) - Learn how to configure networking on Linux.

Linux System Log Files - Identify the location of Linux system log files.

Linux Access Control Lists (ACLs) - Learn how to create and manage Access Control Lists (ACLs) on Linux.

Linux Firewall (iptables, system-config-firewall) - Perform basic firewall administration using iptables and system-config-firewall on Linux.

Linux Firewall (firewalld, firewall-cmd, firewall-config) - Perform basic firewall administration using firewall-cmd and firewall-config on Linux systems using firewalld.

Security-Enhanced Linux (SELinux) - Understand the basic concepts of Security-Enhanced Linux (SELinux).

RHCE

RHCE Objectives - A complete list of the exam objectives, plus links to articles that cover them.

Routing IP Traffic on Linux - This article provides an introduction to routing IP traffic on Linux.

Use iptables to Implement Packet Filtering and Configure Network Address Translation (NAT) - This article describes how to use iptables to implement packet filtering and configure Network Address Translation (NAT).

Linux Kernel Run-Time Parameters - A description of how to check and set Linux kernel run-time parameters.

Configure Linux to Authenticate Using Kerberos - This article describes how to configure a Linux system to authenticate using Kerberos.

Build Simple Linux RPM Packages - Learn how to build simple RPM packages for Linux.

Linux iSCSI Targets and Initiators - Learn how to configure iSCSI targets and initiators on Linux.

sar - Produce and deliver reports on system utilization (processor, memory, disk, and network).

Shell Scripting - Use shell scripting to automate system maintenance tasks. (See also Bash Scripting Tutorial)

Linux Remote Logging - Configure remote logging between Linux servers.

Linux HTTP Server Configuration - Install and configure a HTTP server on Linux.

Linux DNS Configuration - A very brief introduction to DNS (BIND) configuration on Linux.

Linux FTP Server Configuration - Configure FTP servers on Linux.

Linux NFS Configuration - An introduction to Linux NFS configuration.

Linux Samba Configuration - An introduction to Linux Samba configuration.

Linux Mail Transfer Agent (MTA) Configuration Using Postfix - Configure a Mail Transfer Agent (MTA) on Linux using Postfix.

Ansible Awx Docker

User Equivalence (Key-Based Authentication) Configuration on Linux - This article describes two methods for configuring user equivalence (key-based authentication) on Linux.

Linux NTP Configuration - Configure NTP servers and clients on Linux.

Docker/Container Articles

You can find my Dockerfiles on GitHub here.

Docker : An Oracle DBA's Guide to Docker - This article gives a basic introduction to some Docker concepts, focusing on those areas that are likely to interest Oracle DBAs.

Docker : Install Docker on Oracle Linux 7 (OL7) - This article demonstrates how to install Docker on Oracle Linux 7 (OL7) using a BTRFS file system.

Docker : Install Docker on Oracle Linux 8 (OL8) - This article demonstrates how to install Docker on Oracle Linux 8 (OL8).

Docker : Host File System Permissions for Container Persistent Host Volumes - How do you make sure a non-root user has access to the host volumes accessed by a container? Here's one method.

Docker : Quick Example with MySQL - This article provides a simple example of using existing Docker images to create a new Docker container. In this case it is a MySQL image, but the process is similar for other images.

Docker : Writing Your First Dockerfile - This article covers some of the basics of writing and using a Dockerfile with worked examples.

Docker : Dockerfile Tips - Build in Stages - When you are learning to write Dockerfiles, or developing a complex new build, you may find it easier to take a staged approach to the build process.

Docker : Oracle Database on Docker - This article describes a simple build for running an Oracle database on Docker.

Docker : Upgrade an Oracle Database on Docker - This article discusses the issues related to upgrading an Oracle Database running on a Docker container.

Docker : Oracle REST Data Services (ORDS) on Docker - This article describes a simple build for running Oracle REST Data Services (ORDS) on Docker.

Docker : Clean Up Unwanted Containers, Images, Volumes and Networks - It's easy for Docker to consume large amounts of space holding objects you are no longer using. This article shows how to identify and clean up unused containers, images, volumes and networks.

Docker : Docker Compose - Defining Multi-Container Applications - This article describes how to use Docker Compose to create multi-container applications.

Docker : Docker Swarm - Defining Clustered Multi-Container Applications - This article describes how to use Docker Swarm to create clustered multi-container applications.

Docker : Portainer - A Web-Based Management Interface for Docker - This articles explains how Portainer can be used to manage a local Docker environment.

Docker : Quick Tips - This article lists some quick tips that will help when learning Docker.

Docker and Oracle Databases : Finding the Sweet Spot - A blog post discussing the issues related to running Oracle databases in Docker.

AWX Installation on Oracle Linux 7 (OL7) Using the Docker-Compose Method - This article describes how to install AWX, the upstream project for Ansible Tower, on Oracle Linux 7 (OL7) using the Docker-Compose method.

Docker : Using a Local Docker Registry - This article demonstrates how to use a local Docker registry based on the Docker 'registry' image.

Kata Containers : Running Containers Inside Lightweight Virtual Machines on Oracle Linux 7 (OL7) - This article describes how to configure Kata Containers on Oracle Linux 7 (OL7), allowing you to run containers inside lightweight virtual machines (VMs).

Podman : Install Podman on Oracle Linux 8 (OL8) - We can think of Podman as a replacement for Docker, with an almost identical syntax. This article demonstrates how to install Podman on Oracle Linux 8 (OL8).

Podman : A Basic Example of Using Podman With Dockerfiles (Oracle Database and ORDS) on Oracle Linux 8 (OL8) - This articles shows how to use Podman with existing Dockerfiles as a replacement for Docker.

Podman : Generate and Play Kubernetes YAML Files - Podman can generate Kubernetes YAML files from existing pod definitions, and use the generated YAML files to fire up new pods.

Convert CentOS 8 to Oracle Linux 8 (OL8) - This article demonstrates how to convert a CentOS 8 installation to Oracle Linux 8 (OL8).

The Ansible community uses a range of tools for working with the Ansible project. This is a list of some of the most popular of these tools.

If you know of any other tools that should be added, this list can be updated by clicking “Edit on GitHub” on the top right of this page.

An open-source, free GUI text editor created and maintained by GitHub. You can keep track of git projectchanges, commit from the GUI, and see what branch you are on. You can customize the themes for different colors and install syntax highlighting packages for different languages. You can install Atom on Linux, macOS and Windows. Useful Atom plugins include:

• language-yaml - YAML highlighting for Atom (built-in).

• linter-js-yaml - parses your YAML files in Atom through js-yaml.

A free, open-source text editor and IDE that supports auto-indentation, syntax highlighting and built in terminal shell(among other things).

• yaml-mode - YAML highlighting and syntax checking.

• jinja2-mode - Jinja2 highlighting and syntax checking.

• magit-mode - Git porcelain within Emacs.

A full IDE (integrated development environment) for Python software development. It ships with everything you need to write python scripts and complete software, including support for YAML syntax highlighting. It’s a little overkill for writing roles/playbooks, but it can be a very useful tool if you write modules and submit code for Ansible. Can be used to debug the Ansible engine.

A closed-source, subscription GUI text editor. You can customize the GUI with themes and install packages for language highlighting and other refinements. You can install Sublime on Linux, macOS and Windows. Useful Sublime plugins include:

• GitGutter - shows information about files in a git repository.

• SideBarEnhancements - provides enhancements to the operations on Sidebar of Files and Folders.

• Sublime Linter - a code-linting framework for Sublime Text 3.

• Pretty YAML - prettifies YAML for Sublime Text 2 and 3.

• Yamllint - a Sublime wrapper around yamllint.

An open-source, free GUI text editor created and maintained by Microsoft. Useful Visual Studio Code plugins include:

• YAML Support by Red Hat - provides YAML support through yaml-language-server with built-in Kubernetes and Kedge syntax support.

• Ansible Syntax Highlighting Extension - YAML & Jinja2 support.

• Visual Studio Code extension for Ansible - provides autocompletion, syntax highlighting.

An open-source, free command-line text editor. Useful vim plugins include:

• Ansible vim - vim syntax plugin for Ansible 2.x, it supports YAML playbooks, Jinja2 templates, and Ansible’s hosts files.

An open-source Community edition and closed-source Enterprise edition, integrated development environments based on IntelliJ’s framework including IDEA, AppCode, CLion, GoLand, PhpStorm, PyCharm and others. Useful JetBrains platform plugins include:

• Ansible Vault Editor - Ansible Vault Editor with auto encryption/decryption.

There are various ways to find existing issues and pull requests (PRs)

• PR by File - shows a current list of all open pull requests by individual file. An essential tool for Ansible module maintainers.

• jctanner’s Ansible Tools - miscellaneous collection of useful helper scripts for Ansible development.

• Ansible Lint - a highly configurable linter for Ansible playbooks.

• Ansible Review - an extension of Ansible Lint designed for code review.

• Molecule is a testing framework for Ansible plays and roles.

• yamllint is a command-line utility to check syntax validity including key repetition and indentation issues.

• Ansible cmdb - takes the output of Ansible’s fact gathering and converts it into a static HTML overview page containing system configuration information.

• Ansible Inventory Grapher - visually displays inventory inheritance hierarchies and at what level a variable is defined in inventory.

• Ansible Playbook Grapher - A command line tool to create a graph representing your Ansible playbook tasks and roles.

• Ansible Shell - an interactive shell for Ansible with built-in tab completion for all the modules.

• Ansible Silo - a self-contained Ansible environment by Docker.

• Ansigenome - a command line tool designed to help you manage your Ansible roles.

• ARA - records Ansible playbook runs and makes the recorded data available and intuitive for users and systems by integrating with Ansible as a callback plugin.

• Awesome Ansible - a collaboratively curated list of awesome Ansible resources.

• AWX - provides a web-based user interface, REST API, and task engine built on top of Ansible. AWX is the upstream project for Red Hat Ansible Tower, part of the Red Hat Ansible Automation subscription.

• Mitogen for Ansible - uses the Mitogen library to execute Ansible playbooks in a more efficient way (decreases the execution time).

• nanvault - a standalone tool to encrypt and decrypt files in the Ansible Vault format, featuring UNIX-style composability.

• OpsTools-ansible - uses Ansible to configure an environment that provides the support of OpsTools, namely centralized logging and analysis, availability monitoring, and performance monitoring.

• TD4A - a template designer for automation. TD4A is a visual design aid for building and testing jinja2 templates. It will combine data in yaml format with a jinja2 template and render the output.

• PHP-Ansible - an object oriented Ansible wrapper for PHP.