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Oracle RAC 11g Release 2 allows DBA's to configure a cluster database solution with superior fault tolerance, load balancing, and scalability.

However, DBA's who want to become more familiar with the features and benefits of database clustering, will find the costs of configuring even a small RAC cluster costing in the range of US,000 to US,000.

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That's the way to maximize our chances of achieving Dev Ops goodness.

Of course, tools are only part of the Dev Ops equation.

The system will consist of a two node cluster, both running Linux (Cent OS 5.5 for x86_64), Oracle RAC 11g Release 2 for Linux x86_64, and ASMLib 2.0.

All shared disk storage for Oracle RAC will be based on i SCSI using Openfiler release 2.3 x86_64 running on a third node (known in this article as the Network Storage Server).

The culture that can foster the Dev Ops mindset has to exist throughout a company, not just within a single department, so people can collectively contribute all their skills to solving problems.

Otherwise, Dev Ops can become just a local optimization.

Unfortunately, for many shops, the price of the hardware required for a typical RAC configuration exceeds most training budgets.

For those who want to become familiar with Oracle RAC 11g without a major cash outlay, this guide provides a low-cost alternative to configuring an Oracle RAC 11g Release 2 system using commercial off-the-shelf components and downloadable software at an estimated cost of US,800.

How much of all this functionality we need should be defined in the scope of our project. (20) - Log Rotation (21) - Monitoring Metrics (22) - lsof (23) - Wireshark introduction (24) - User account management (25) - Domain Name System (DNS) (26) - NGINX SSL/TLS, Caching, and Session (0) - Linux Sys Admin's Day to Day tasks Install Configuration - Manage Jenkins - security setup Adding job and build Scheduling jobs Managing_plugins Git/Git Hub plugins, SSH keys configuration, and Fork/Clone JDK & Maven setup Build configuration for Git Hub Java application with Maven Build Action for Git Hub Java application with Maven - Console Output, Updating Maven Commit to changes to Git Hub & new test results - Build Failure Commit to changes to Git Hub & new test results - Successful Build Adding code coverage and metrics Jenkins on EC2 - creating an EC2 account, ssh to EC2, and install Apache server Jenkins on EC2 - setting up Jenkins account, plugins, and Configure System (JAVA_HOME, MAVEN_HOME, notification email) Jenkins on EC2 - Creating a Maven project Jenkins on EC2 - Configuring Git Hub Hook and Notification service to Jenkins server for any changes to the repository Jenkins on EC2 - Line Coverage with Ja Co Co plugin Setting up Master and Slave nodes Jenkins Build Pipeline & Dependency Graph Plugins Jenkins Build Flow Plugin Jenkins Setting up Slave nodes on AWS Puppet with Amazon AWS I - Puppet accounts Puppet with Amazon AWS II (ssh & puppetmaster/puppet install) Puppet with Amazon AWS III - Puppet running Hello World Puppet Code Basics - Terminology Puppet with Amazon AWS on Cent OS 7 (I) - Master setup on EC2 Puppet with Amazon AWS on Cent OS 7 (II) - Configuring a Puppet Master Server with Passenger and Apache Puppet master /agent ubuntu 14.04 install on EC2 nodes Puppet master post install tasks - master's names and certificates setup, Puppet agent post install tasks - configure agent, hostnames, and sign request EC2 Puppet master/agent basic tasks - main manifest with a file resource/module and immediate execution on an agent node Setting up puppet master and agent with simple scripts on EC2 / remote install from desktop EC2 Puppet - Install lamp with a manifest ('puppet apply') EC2 Puppet - Install lamp with a module Puppet variable scope Puppet packages, services, and files Puppet packages, services, and files II with nginx Puppet templates Puppet creating and managing user accounts with SSH access Puppet Locking user accounts & deploying sudoers file Puppet exec resource Puppet classes and modules Puppet Forge modules Puppet Express Puppet Express 2 Puppet 4 : Changes Puppet --configprint Puppet with Docker What is Chef?

- From Relationship between Vagrant, Docker, Chef and Open Stack (or similar products)? Phases of Continuous Integration Software development methodology Introduction to Dev Ops Samples of Continuous Integration (CI) / Continuous Delivery (CD) - Use cases Artifact repository and repository management Linux - General, shell programming, processes & signals ... Maria DB New Relic APM with Node JS : simple agent setup on AWS instance Nagios on Cent OS 7 with Nagios Remote Plugin Executor (NRPE) Nagios - The industry standard in IT infrastructure monitoring on Ubuntu Zabbix 3 install on Ubuntu 14.04 & adding hosts / items / graphs Datadog - Monitoring with Pager Duty/Hip Chat and APM Install and Configure Mesos Cluster Cassandra on a Single-Node Cluster Container Orchestration : Docker Swarm vs Kubernetes vs Apache Mesos Open Stack install on Ubuntu 16.04 server - Dev Stack AWS EC2 Container Service (ECS) & EC2 Container Registry (ECR) | Docker Registry CI/CD with Circle CI - Heroku deploy Introduction to Terraform with AWS elb & nginx Kubernetes I - Running Kubernetes Locally via Minikube Kubernetes II - kops on AWS Kubernetes III - kubeadm on AWS (1A) - Linux Commands (1B) - Linux Commands (2) - Networks (2B) - Networks (3) - Linux Systems (4) - Scripting (Ruby/Shell) (5) - Configuration Management (6) - AWS VPC setup (public/private subnets with NAT) (6B) - AWS VPC Peering (7) - Web server (8) - Database (9) - Linux System / Application Monitoring, Performance Tuning, Profiling Methods & Tools (10) - Trouble Shooting: Load, Throughput, Response time and Leaks (11) - SSH key pairs, SSL Certificate, and SSL Handshake (12) - Why is the database slow? Chef install on Ubuntu 14.04 - Local Workstation via omnibus installer Setting up Hosted Chef server Virtual Box via Vagrant with Chef client provision Creating and using cookbooks on a Virtual Box node Chef server install on Ubuntu 14.04 Chef workstation setup on EC2 Ubuntu 14.04 Chef Client Node - Knife Bootstrapping a node on EC2 ubuntu 14.04 Docker install on Amazon Linux AMI Docker install on EC2 Ubuntu 14.04 Docker container vs Virtual Machine Docker install on Ubuntu 14.04 Docker Hello World Application Nginx image - share/copy files, Dockerfile Working with Docker images : brief introdution Docker image and container via docker commands (search, pull, run, ps, restart, attach, and rm) More on docker run command (docker run -it, docker run --rm, etc.) Docker Persistent Storage File sharing between host and container (docker run -d -p -v) Linking containers and volume for datastore Dockerfile - Build Docker images automatically I - FROM, MAINTAINER, and build context Dockerfile - Build Docker images automatically II - revisiting FROM, MAINTAINER, build context, and caching Dockerfile - Build Docker images automatically III - RUN Dockerfile - Build Docker images automatically IV - CMD Dockerfile - Build Docker images automatically V - WORKDIR, ENV, ADD, and ENTRYPOINT Docker Compose - A gentle introduction with Word Press MEAN Stack app on Docker containers : micro services MEAN Stack app on Docker containers : micro services via docker-compose Docker Compose with two containers - Flask REST API service container and an Apache server container Docker compose : Nginx reverse proxy with multiple containers Docker Cheat Sheet Installing LAMP via puppet on Docker Docker install via Puppet Nginx Docker install via Ansible Apache Hadoop CDH 5.8 Install with Quick Starts Docker Elasticsearch, search engine Logstash with Elasticsearch Logstash, Elasticsearch, and Kibana 4 Elasticsearch with Redis broker and Logstash Shipper and Indexer Samples of ELK architecture Elasticsearch indexing performance Virtual Box & Vagrant install on Ubuntu 14.04 Creating a Virtual Box using Vagrant Provisioning Networking - Port Forwarding Vagrant Share Vagrant Rebuild & Teardown Vagrant & Ansible AWS : Creating a snapshot (cloning an image) AWS : Attaching Amazon EBS volume to an instance AWS : Adding swap space to an attached volume via mkswap and swapon AWS : Creating an EC2 instance and attaching Amazon EBS volume to the instance using Python boto module with User data AWS : Creating an instance to a new region by copying an AMI AWS : S3 (Simple Storage Service) 1 AWS : S3 (Simple Storage Service) 2 - Creating and Deleting a Bucket AWS : S3 (Simple Storage Service) 3 - Bucket Versioning AWS : S3 (Simple Storage Service) 4 - Uploading a large file AWS : S3 (Simple Storage Service) 5 - Uploading folders/files recursively AWS : S3 (Simple Storage Service) 6 - Bucket Policy for File/Folder View/Download AWS : S3 (Simple Storage Service) 7 - How to Copy or Move Objects from one region to another AWS : S3 (Simple Storage Service) 8 - Archiving S3 Data to Glacier AWS : Creating a Cloud Front distribution with an Amazon S3 origin AWS : WAF (Web Application Firewall) with preconfigured Cloud Formation template and Web ACL for Cloud Front distribution AWS : Cloud Watch & Logs with Lambda Function / S3 AWS : CLI (Command Line Interface) AWS : CLI (ECS with ALB & autoscaling) AWS Application Load Balancer (ALB) and ECS with Flask app AWS : Load Balancing with HAProxy (High Availability Proxy) AWS : Virtual Box on EC2 AWS : NTP setup on EC2 AWS & Open SSL : Creating / Installing a Server SSL Certificate AWS : Open VPN Access Server 2 Install AWS : VPC (Virtual Private Cloud) 1 - netmask, subnets, default gateway, and CIDR AWS : VPC (Virtual Private Cloud) 2 - VPC Wizard AWS : VPC (Virtual Private Cloud) 3 - VPC Wizard with NAT Dev Ops / Sys Admin Q & A (VI) - AWS VPC setup (public/private subnets with NAT) AWS - Open VPN Protocols : PPTP, L2TP/IPsec, and Open VPN AWS : Autoscaling group (ASG) AWS : Adding a SSH User Account on Linux Instance AWS : Windows Servers - Remote Desktop Connections using RDP AWS : Scheduled stopping and starting an instance - python & cron AWS : Elastic Beanstalk with Node JS AWS : Detecting stopped instance and sending an alert email using Mandrill smtp AWS : Identity and Access Management (IAM) Roles for Amazon EC2 AWS : Identity and Access Management (IAM) Policies AWS : Creating IAM Roles and associating them with EC2 Instances in Cloud Formation AWS Identity and Access Management (IAM) Roles, SSO(Single Sign On), SAML(Security Assertion Markup Language), Id P(identity provider), STS(Security Token Service), and ADFS(Active Directory Federation Services) AWS : Amazon Route 53 AWS : Amazon Route 53 - DNS (Domain Name Server) setup AWS : Amazon Route 53 - subdomain setup and virtual host on Nginx AWS Amazon Route 53 : Private Hosted Zone AWS : SNS (Simple Notification Service) example with ELB and Cloud Watch AWS : Lambda with AWS Cloud Trail AWS : SQS (Simple Queue Service) with Node JS and AWS SDK AWS : Redshift data warehouse AWS : Cloud Formation - templates, change sets, and CLI AWS : Cloud Formation Bootstrap User Data/Metadata AWS : Cloud Formation - Creating an ASG with rolling update AWS : Ops Works AWS Code Deploy : Deploy an Application from Git Hub AWS EC2 Container Service (ECS) AWS Hello World Lambda Function AWS Lambda Function & API Gateway Amazon Kinesis Streams Amazon Dynamo DB Amazon ML (Machine Learning) Simple Systems Manager (SSM) AWS : RDS Connecting to a DB Instance Running the SQL Server Database Engine AWS : RDS Importing and Exporting SQL Server Data AWS : RDS Postgre SQL & pg Admin III AWS : RDS Postgre SQL 2 - Creating/Deleting a Table AWS : My SQL Replication : Master-slave AWS : My SQL backup & restore AWS RDS : Cross-Region Read Replicas for My SQL and Snapshots for Postgre SQL AWS : Restoring Postgres on EC2 instance from S3 backup AWS : Scaling-Up Hadoop 2.6 - Installing on Ubuntu 14.04 (Single-Node Cluster) Hadoop 2.6.5 - Installing on Ubuntu 16.04 (Single-Node Cluster) Hadoop - Running Map Reduce Job Hadoop - Ecosystem CDH5.3 Install on four EC2 instances (1 Name node and 3 Datanodes) using Cloudera Manager 5 CDH5 APIs Quick Start VMs for CDH 5.3 Quick Start VMs for CDH 5.3 II - Testing with wordcount Quick Start VMs for CDH 5.3 II - Hive DB query Scheduled start and stop CDH services CDH 5.8 Install with Quick Starts Docker Zookeeper & Kafka Install Zookeeper & Kafka - single node single broker Zookeeper & Kafka - Single node and multiple brokers OLTP vs OLAP Apache Hadoop Tutorial I with CDH - Overview Apache Hadoop Tutorial II with CDH - Map Reduce Word Count Apache Hadoop Tutorial III with CDH - Map Reduce Word Count 2 Apache Hadoop (CDH 5) Hive Introduction CDH5 - Hive Upgrade to 1.3 to from 1.2 Apache Hive 2.1.0 install on Ubuntu 16.04 Apache HBase in Pseudo-Distributed mode Creating HBase table with HBase shell and HUE Apache Hadoop : Hue 3.11 install on Ubuntu 16.04 Creating HBase table with Java API HBase - Map, Persistent, Sparse, Sorted, Distributed and Multidimensional Flume with CDH5: a single-node Flume deployment (telnet example) Apache Hadoop (CDH 5) Flume with Virtual Box : syslog example via Netty Avro Rpc Client List of Apache Hadoop hdfs commands Apache Hadoop : Creating Wordcount Java Project with Eclipse Part 1 Apache Hadoop : Creating Wordcount Java Project with Eclipse Part 2 Apache Hadoop : Creating Card Java Project with Eclipse using Cloudera VM Uno Example for CDH5 - local run Apache Hadoop : Creating Wordcount Maven Project with Eclipse Wordcount Map Reduce with Oozie workflow with Hue browser - CDH 5.3 Hadoop cluster using Virtual Box and Quick Start VM Spark 1.2 using Virtual Box and Quick Start VM - wordcount Spark Programming Model : Resilient Distributed Dataset (RDD) with CDH Apache Spark 2.0.2 with Py Spark (Spark Python API) Shell Apache Spark 2.0.2 tutorial with Py Spark : RDD Apache Spark 2.0.0 tutorial with Py Spark : Analyzing Neuroimaging Data with Thunder Apache Spark Streaming with Kafka and Cassandra Apache Spark 1.2 with Py Spark (Spark Python API) Wordcount using CDH5 Apache Spark 1.2 Streaming Apache Drill with Zoo Keeper install on Ubuntu 16.04 - Embedded & Distributed Apache Drill - Query File System, JSON, and Parquet Apache Drill - HBase query Apache Drill - Hive query Apache Drill - Mongo DB query Redis vs Memcached Redis 3.0.1 Install Setting up mulitple server instances on a Linux host Redis with Python ELK : Elasticsearch with Redis broker and Logstash Shipper and Indexer What is Ansible?

Dev Ops is all about: Although devops is not about tooling, there are a number of open source tools out there that will be able to help you achieve your goals.

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