Complete guide of Laravel certification courses, tutorials & training
What is Laravel Laravel is a reliable and simple to use open-source PHP framework. It adheres to the model-view-controller pattern of design. Laravel makes use of pre-existing parts from other…
Read more »Complete guide on PHP certification courses, tutorials & training
What is PHP Hypertext Preprocessor is known as PHP. Many developers use PHP, an open-source server-side programming language, to create websites. In addition, it is a general-purpose language that you…
Read more »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 with Gin Master…
Read more »Complete guide of Selenium certification courses, tutorials & training
What is Selenium Selenium is an open-source, free automated testing toolkit for web applications that works with various platforms and browsers. It resembles HP QuickTest Pro considerably (QTP, currently UFT)….
Read more »Complete guide of Springboot certification courses, tutorials & training
What is Springboot An open-source technology called Spring Boot makes it simpler for programmers to produce independent digital goods as well as spring applications that are ready for production, including…
Read more »Complete guide of Java certification courses, tutorials & training
What is Java Sun Microsystems initially introduced Java, a programming language and computing platform, in 1995. Through the provision of the dependable foundation upon which several services and applications are…
Read more »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 Landmark, stock market…
Read more »How to upload package to Nexus and Artifactory using curl and powershell?
Solution – 1 Solution – 2 Solution – 3 Solution – 4 Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share…
Read more »Top 26 Free and Popular tools written in Python
What is Python Python is a programming language that is commonly used to create websites and applications, automate operations, and perform data analysis. Python is a general-purpose programming language, which…
Read more »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) If id_rsa &…
Read more »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 Landmark, stock market…
Read more »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 sizes of these…
Read more »Elastic Logstash: what is logstash.yml & pipelines.yml & configratuion file?
Logstash has two types of configuration files: pipeline configuration files, which define the Logstash processing pipeline, and settings files, which specify options that control Logstash startup and execution. Pipeline Configuration Files You…
Read more »Elastic Logstash: Multiple pipelines example in pipelines.yml
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 »Elastic Logstash: Short Example of Logstash Multiple Pipelines
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 »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 DevOps School, travel…
Read more »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. I have worked…
Read more »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 of microservices, and…
Read more »Docker Compose Tutorials: Install and Configuration 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 Landmark, stock market…
Read more »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 Landmark, stock market…
Read more »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 Landmark, stock market…
Read more »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 5 – Install…
Read more »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 3 – Extract…
Read more »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, management structures, and…
Read more »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: Optional. Select and…
Read more »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 the specified namespace…
Read more »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 and then switch…
Read more »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 deny, a schedule…
Read more »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 ArgoCD admin creates…
Read more »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 a project and…
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