Oracle Tutorials: Useful commands and env variable.
What is ORACLE_SID? ORACLE_SID is an environment variable used by Oracle Database to identify the unique system identifier (SID) of an Oracle instance. An Oracle instance is a combination of…
Read more »Oracle Tutorial: How to check Oracle RAC is setup correctly and ready for use
There are several things you can check to ensure that Oracle RAC is set up correctly and ready for importing a .dmp file: By verifying these things, you can ensure…
Read more »Oracle Tutorials: List of Tools and their usage
What is Asmcmd? ASMcmd is a command-line utility provided by Oracle ASM (Automatic Storage Management) that enables system administrators to manage Oracle ASM instances. It provides a command-line interface for…
Read more »Oracle Tutorials: Complete Guide of Oracle Import using impdp
Data Pump Import supports various import modes Yes, Oracle Data Pump Import (impdp) supports various import modes. Here are the different modes of import that are supported by Data Pump…
Read more »AWS Tutorials: How to activate AWS EC2 Session Manager?
What is AWS Session Manager? AWS Session Manager is a managed service provided by Amazon Web Services (AWS) that enables secure and seamless access to instances in the cloud. It…
Read more »Top 10 Website Development Company in Bangalore / Bengaluru
CMSGalaxy: CMSGalaxy is a website development company in Bangalore that specializes in building websites with content management systems like WordPress, Drupal, and Joomla. CMSGalaxy is one of the leading website…
Read more »Step by Step guide to enable Compression in WordPress
Enabling compression in WordPress can help reduce your website’s file sizes and improve its performance by compressing your HTML, CSS, and JavaScript files before sending them to visitors’ browsers. Here’s…
Read more »Gerrit Setup using Tomcat and Mysql
MySQL database CREATE USER ‘gerrit’@’localhost’ IDENTIFIED BY ‘gerrit’; CREATE DATABASE gerritdb; ALTER DATABASE gerritdb charset=latin1; GRANT ALL ON gerritdb.* TO ‘gerrit’@’localhost’; FLUSH PRIVILEGES; exit; Apache Configuration sudo a2enmod proxy sudo…
Read more »Git/Gerrit Installation and Setup
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…
Read more »Knative Tutorials: How to install Knative Serving 1.9 in Minikube?
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…
Read more »Minikube Tutorials: minikube commands
minikube config The command you provided, minikube config set memory 10000, will set the default memory allocation for new Minikube clusters to 10 gigabytes (10000 megabytes). If you have already…
Read more »Knative Useful Websites & Reference
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…
Read more »AWS SAM CLI Getting started guide
AWS SAM CLI (Serverless Application Model Command Line Interface) is an open-source command-line tool that makes it easy to build, test, and deploy serverless applications on AWS. It provides a…
Read more »Oracle Tutorial: Oracle Real Application Clusters and Oracle Clusterware
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…
Read more »Oracle Tutorials: How to configure high availability in oracle?
What is high availability? High availability (HA) refers to the ability of a system or service to remain operational and accessible to users, even in the event of hardware or…
Read more »What is major difference between RHEL 7, RHEL 8 and RHEL 9?
RHEL 7 and RHEL 9 are both major releases of the Red Hat Enterprise Linux operating system. The major differences between RHEL 7 and RHEL 9 are as follows: What…
Read more »Packer Tutorials: Packer Install and configurations
Mac Windows https://releases.hashicorp.com/packer/1.8.6/packer_1.8.6_windows_amd64.zip Step 1 – Download and Extract at c:/tools/packer Step 2 – Add “c:/tools/packer” into env PATH variable Ubuntu Centos Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing…
Read more »Packer Tutorials: Hashipcorp Packer workflow
The workflow for using HashiCorp Packer typically involves the following steps: Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech…
Read more »Packer Tutorials: Packer Commands reference with its use cases & Example
HashiCorp Packer is a tool for creating machine images that can be used with various cloud providers, virtualization platforms, or container systems. Here are some of the commonly used Packer…
Read more »Packer Tutorials: List of Provisioner in hashicorp packer Post-processors
In HashiCorp Packer, post-processors are used to perform additional actions after the machine image has been created by the builder and provisioners. These actions can include compressing the image, uploading…
Read more »Packer Tutorials: List of Provisioner in Hashicorp Packer?
HashiCorp Packer is a tool for creating machine images that can be used with various cloud providers, virtualization platforms, or container systems. In addition to the builders, Packer also uses…
Read more »Packer Tutorials: List of Builder in Hashicorp Packer?
HashiCorp Packer is a tool for creating machine images that can be used with various cloud providers, virtualization platforms, or container systems. Packer uses a builder to create these machine…
Read more »Github Tutorials: How to Generate PAT in Github?
What is Github PAT? GitHub PAT (Personal Access Token) is a type of authentication token that provides a secure way to access GitHub’s API and perform actions on behalf of…
Read more »AWS Tutorials: 𝐀 Design & S𝐭𝐫𝐚𝐭𝐞𝐠𝐲 𝐟𝐨𝐫 𝐚𝐜𝐭𝐢𝐯𝐞/𝐩𝐚𝐬𝐬𝐢𝐯𝐞 𝐦𝐮𝐥𝐭𝐢-𝐬𝐢𝐭𝐞 𝐢𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭𝐚𝐭𝐢𝐨𝐧
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…
Read more »Container Runtime Interface (CRI-O) workflow
Let’s break the workflow : ✅ When a request comes to start a #container, #kubelet calls the CRI that invokes the internal CRI-O daemon in the #kernel✅ The daemon uses…
Read more »Git Tutorial: Git Basic Workflow Working with Local Repo
Step 1 – Install git client [ONE TIME] Step 2 – Create git repo [ONE TIME] Step 3 – Decide which files you want to version OR write code Step…
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What is Git and How it works? An Overview and Its Use Cases?
What is Git? Git is a free and open-source distributed versions control system use to handle small to very laravel projects code enabling multiple developers to work together. Git additionally…
Read more »Types of Databases
To make the best decision for our projects, it is essential to understand the various types of databases available in the market. Popular relational databases include MySQL, PostgreSQL, Microsoft SQL…
Read more »API Tutorials: List API architecture styles
Architecture styles define how different components of an application programming interface (API) interact with one another. As a result, they ensure efficiency, reliability, and ease of integration with other systems…
Read more »Datadog Tutorials: Events API Emails
Events API emails give you the ability to send events via email. If your application does not have an existing Datadog integration, and you don’t want to create a custom…
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