Azure Tutorials: Choose an Azure compute service that best fits what you need?

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…

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GitLab Tutorials: How to deploy on AWS from GitLab

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…

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GitLab Tutorials: Gitlab Installation Environment variables

GitLab exposes certain environment variables which can be used to override their defaults values. People usually configure GitLab with /etc/gitlab/gitlab.rb for Omnibus installations, or gitlab.yml for installations from source. You can use the following…

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GitLab Tutorials: gitlab-ctl commands reference & example

omnibus-ctl: command (subcommand) check-config Check if there are any configuration in gitlab.rb that is removed in specified version deploy-page Put up the deploy page diff-config Compare the user configuration with…

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GitLab Tutorials: System Requirements for Gitlab local installation

Software Requirements Redis 5.0+ Storage 2.5 GB CPU 4 Core for 500 Users Memory 4GB Database PostgreSQL  12.10 Extension pg_trgm, btree_gist, plpgsql Puma Needed Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate…

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GitLab Tutorials: Install self-managed GitLab Enterprise Version in Centos 7

URL – https://about.gitlab.com/install/ Step 1 – Install and configure the necessary dependencies Step 2 – Add the GitLab package repository and install the package Step 3 – Browse to the…

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GitLab Tutorials: Omnibus GitLab assigns following Ports by default

See the table below for the list of ports that the Omnibus GitLab assigns by default: Component On by default Communicates via Alternative Connection port GitLab Rails Yes Port X…

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Job interview advice for Sr Management in Software Company. Good Read

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…

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Rundeck Tutorials: Introduction Demo

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…

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DevOps – SRE – DevSecOps – MDE Assignment & Project

Day 1 – What is DevOps and compare with SRE and DevSecOps? Day 2 – Docker Assignment for Interview Preparations Day 3 – Linux Lab & Assignment Linux Lab Linux…

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Terraform Example – AWS EC2 Instance with EBS

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…

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XL Release Training Agenda – End User

Day 1 Topic Description Introduction Introduction to XebiaLabs and XL Release Templates What is a template and how to create it Folders How to organize templates Phases Creating phases Tasks…

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How to enable Apache Tomcat monitoring in Datadog Agent?

Apache Tomcat Integratoion with Datadog collects Following Tomcat metrics Step 1 – How to Install Open JDK 11 Reference How to Download Apache Tomcat 9? Reference How to install datadog…

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XL Release Tutorial: Variables

Using a List variable as a value in the List box variable types You can create a List variable and use it as a possible value for a List box…

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Jenkins Tutorials: Demo Video

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…

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How to Configure IP Network with ‘nmtui’ Tool

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…

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Istio Tutorials: How to install & configure istio?

Platform Setup Install Istio with Helm in Kubernetes Configure the Helm repository: Create a namespace istio-system for Istio components: Install the Istio discovery chart which deploys the istiod service: (Optional) Install an ingress gateway:…

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Sonarqube Tutorials: Fundamental Demo

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…

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ELK Stack Tutorial: Demo Video

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…

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AWS Tutorial: Demo Video

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…

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Top Free and Open Source Video Conferencing Software in Github

Video conferencing is a live video-based meeting between two or more people in different locations using video-enabled devices. Video conferencing allows multiple people to meet and collaborate face to face…

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Fedora CoreOS Package Manager: rpm-ostree

How to install wget in Fedora CoreOS $ rpm-ostree install wget How to reboot? $ systemctl reboot Default user name of Fedora CoreOS? core How to install butane in CoreOs…

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Teradata Partitioned Primary Index (PPI) 

What is the Concept behind Partitioning a Table? Each Table in Teradata has a Primary Index unless it is a NoPI table. The Primary Index is the mechanism that allows Teradata to physically distribute the…

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Top 10 Authentication mechanisms supported for applications in 2022?

Authentication mechanisms are modules that authenticate the user with a specific challenge or authentication technology, such as user name and password and one-time password. The order on which the authentication mechanisms…

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How to Setup A VPN On Your Router

Installing a VPN on a smartphone, tablet, or laptop is a great way to increase your security and privacy on the Internet. However, if you want to protect your entire…

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XL Release Tutorials: How to install Plugins in XL release

Step 1 – Login using Admin Step 2 – Go to “Setting” Icon => Manage Plugins Step 3 – Upload Jar file Plugins e.g – Bamboo Plugins (xlr-bamboo-plugin-1.2.0.jar) https://github.com/xebialabs-community/xlr-bamboo-plugin Step…

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AWS CodeDeploy: Deploy apps using appspec.yml with IIS stop/start

Note – in this program file “before-iis-install-stop.bat” & “after-iis-install-start.bat” & index.html is in same directory. Step 1 – Write before-iis-install-stop.bat Step 2 -Write after-iis-install-start.bat Step 3 – Write appspec.yml Rajesh…

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XL Release Tutorials: Basic Workflow

Step 1 – Create a FOLDER for your Product Line Step 2 – Create a Connection using Unix Host Go to folder Go inside a FOLDER Step 3 – Create…

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NIST Cloud Security Checklist Explained

If you are a business owner, then you know that data security is of utmost importance. And if you are using cloud services to store your data, then you need…

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Jira Tutorials: Authorization in Jira Cloud

Step # 1 – Login to yoru SITE at https://admin.atlassian.com/ Step # 2 – Create a Group at https://admin.atlassian.com/ Step # 3 – Invite a user and Add that user…

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