Top 9 Certifications for programmers for higher salary in 2022
Certifications Agile Developers Certified Professional (ADCP) Agile QA Certified Professional (AQCP) Master in Java with Springboot Master in Selenium Master in PHP with Laravel Master in Golang…
Gitlab 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…
How to generate & upload your public key to github for SSH access on github
Step 1 – First Check if you public and pvt key already generated in your system? i.e – in USER HOME C:\Users\Rajesh Kumar.ssh, check id_rsa(pvt) and id_rsa.pub(pub)…
Azure DevOps Demo Tutorial
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…
Appdynamics Tutorial: Log Monioring and Analysis using Appdynamics
Use Case of this extension The AppDynamics Log Monitoring Extension monitors the occurrences of configured text or regular expressions in a set of log files, and the…
How to backup / dump & Restore redis database?
dump.rdb is your redis backup file 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…
How to Install Redis on CentOS / RHEL / Ubuntu and Windows
Install Redis 7 on CentOS 7 / RHEL 7 How to add Sample Data in Redis? Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences….
Datadog – Setting up Ecommerce Datadog Observability katacoda simplified steps
Step 1 – Spinning Up Our Legacy E-Commerce Shop Our legacy monolith shop uses Ruby on Rails and Spree. We’ve started to build out a first set…
Install PIP 2.7 for python and Ansible
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…
How to setup appdynamics Enterprise Console & appdynamics Controller?
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…
How to setup APM of Java Apps in AppDynamics?
Step 1 – Install Java Step 2 – Install Tomcat Step 3 – Run Apps in Tomcat Step 4 – Download & Extract AppDynamics APM agent Step…
How to install and configure Jmeter?
Step 1- Install JDK and Set JAVA_HOME Step 2 – Download Jemeter and Configure as per the image below; Source – https://jmeter.apache.org/download_jmeter.cgi Download 5.4.3 – https://dlcdn.apache.org//jmeter/binaries/apache-jmeter-5.4.3.zip Step…
Interview Questions & Answers Sets on SRE
What are the differences between SRE and DevOps? Google: “One could view DevOps as a generalization of several core SRE principles to a wider range of organizations,…
Type of Application in Argo CD
Directory: A directory application, which is the default application type in Argo CD. Directory recurse: Optional. Select to include subdirectories. Top-level arguments: Optional. Select and define parameters. External variables:…
Sync Options in Argo CD
Common to both manual and automatic sync policies. Skip schema validation: When selected, bypasses validating the YAML schema. Auto-create namespace: When selected, automatically create the namespace if…
Working with Local users/accounts in ArgoCD
Once installed Argo CD has one built-in admin user that has full access to the system. It is recommended to use admin user only for initial configuration…
Project sync windows (SyncWindow) in ArgoCD
Sync windows are configurable windows of time where syncs will either be blocked or allowed. These are defined by a kind, which can be either allow or…
DESTINATIONS & SCOPED CLUSTERS in ArgoCD
DESTINATIONS Clustors and Namespaces where applications are permitted to be deployed from SCOPED CLUSTERS Clustors and Namespaces where applications are permitted to be deployed from Normally, an…
SOURCE REPOSITORIES vs SCOPED REPOSITORIES in ArgoCD
Projects SOURCE REPOSITORIES Git respositories where application manifests are permitted to be retrieved from.Restrict what may be deployed (trusted Git source repositories). Normally, an ArgoCD admin creates…
What is Argo CD and Use case of Argo CD?
Source – Pluralsigt Understanding GitOps Core Concepts Let’s take some time now and talk about GitOps so we can gain an understanding of GitOps being that Argo…
5 Top Digital Marketing Strategies to Promote your Mobile App
With the ease in the accessibility of the internet, the number of people engaging with the online world is constantly increasing at a 5% rate in the…
Dynatrace Tutorial: How to install One Agent in Linux/Windows?
Step 1 – Register and Login at Dynatrace SAAS portal Step 2 – Follow a Wizard for Linux/Windows Monitoring Choose – Start Installation Choose – Linux Choose…
How to install MSSQL in CENTOS 7?
Step 1 – Install SQL Server Step 2 – Install the SQL Server command-line tools Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I…
Dynatrace Tutorial: How to Enable Log Monitoring in Dynatrace
Step 1 – Check if Dynatrace Log Monitoring is enabled globally In the Dynatrace menu, go to Settings > Monitoring > Monitored technologies. Find Log Monitoring in the list of supported technologies, and select Edit (pencil icon)….
AWS IAM SNS policy example to allow s3 events
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…
How to Submit Assignment at BestDevOps.com?
Step 1 – Register using any Personal email id? CLICK HERE (https://www.bestdevops.com/wp-login.php?action=register) Verify Account using Link Sent to Email Box. Sometimes verification email is sent to SPAM,…
AppDynamics Tutorial – Machine Agent Installation and Configuration
Machine Agent Installation in Linux Step 1 – Understand Machine Agent Requirements and Supported Environments JRE 1.8 is required. Machine Agent installations with a bundled JRE include:…
Popular Software Engineering Courses and Certifications github pages
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…
Ansible Labs & Assignment & Excercise
Ansible Adhoc Commands Lab & Excercise – Part 1 Ansible Windows Adhoc Commands Lab & Excercise – Part 2 Ansible Inventory Lab & Excercise – Part 3…
How to Un-install/remove Datadog Agent?
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…