These tools cover infrastructure automation (Terraform), CI/CD (Jenkins, Spinnaker), workflow orchestration (Airflow), operations (Rundeck), code quality and security (SonarQube, Veracode), feature management (Split.io), service discovery (Eureka), API management (Kong, Zuul), web serving and proxying (Nginx, Reverse Proxy, Apache HTTP Server), content delivery and security (Akamai, Cloudflare), artifact management (JFrog), analytics (Pendo, Snowplow), Java builds (Gradle, Maven), Java app hosting (WildFly), and Ruby app servers (Puma, Unicorn). Each plays a key role in modern DevOps, analytics, and software delivery pipelines.

Bastion Host​

A bastion host is a special-purpose server designed to act as a gateway between a public network (e.g., the internet) and a private network. It provides secure access to resources in the private network by acting as an intermediary. Bastion hosts are commonly used in cloud environments to securely access servers that are not directly exposed to the internet.

The reason for the name "Bastion host" comes from the term "bastion," which refers to a projecting part of a fortification built at an angle to the line of a wall, so as to allow defensive fire in several directions. Similarly, a Bastion host acts as a fortified gateway, protecting the internal network by acting as the only point of entry for administrative access (such as SSH or RDP) and minimizing the attack surface exposed to the public.

Here are some USSD codes for various purposes, including checking device information, managing call forwarding, and other network-related tasks. These codes are widely used on Android devices and may vary depending on your carrier or device manufacturer.

USSD (Unstructured Supplementary Service Data) is a communication protocol used by mobile devices to interact with a service provider's systems. It allows users to send short codes (starting with * or #) to access various services, such as checking account balances, activating services, or troubleshooting network issues.

A VPN (Virtual Private Network) works by creating a secure, encrypted connection (often called a "tunnel") between your device and a VPN server. Here’s how it works step by step:

Backstage.io is an open-source developer portal platform created by Spotify. It is designed to help organizations manage their software infrastructure, tools, and services in a centralized and organized way. Backstage provides a unified interface for developers to access documentation, APIs, CI/CD pipelines, monitoring tools, and other resources, improving productivity and collaboration.

Changing the color of checkbox if checked ​

<label for="checkbox1" class="checkbox">
  <input id="checkbox1" type="checkbox" role="checkbox" />
  <span class="custom"> Checkbox </span>
</label>

How to copy a text from a website which prevents copying from UI? ​

1. Click on select option (Arrow with dotted arrow) in element tab on the console of the browser.
2. click on the UI text using select arrow as shown in the below image
3. Selected element will be stored under the variable $0. You can see it in the below image.

Bacillus Clausii vs Lacticasei bacillus casei​

While both Bacillus Clausii and Lacticaseibacillus casei (previously known as Lactobacillus casei ) are considered probiotic bacteria, the key difference lies in their ability to form spores and the conditions they thrive in, with Bacillus Clausii being more resilient to harsh environments due to its ability to form spores, while Lacticaseibacillus casei is typically found in environments with lower pH levels and is associated with lactic acid production and Lacticaseibacillus casei does not form spores as well; making Bacillus Clausii potentially more suitable for situations where gut conditions are highly acidic, like after antibiotic use, and to treate acute diarrhea, while Lacticaseibacillus casei could be beneficial for general gut health maintenance.

Complete Command Line Reference Guide for Developers ​

Mastering advanced shell commands can streamline your workflow when managing projects, inspecting files, and handling builds. This guide groups related commands by functionality, providing usage examples and explanations.

Shell cheat sheet​

Being well-versed in the Bourne Again SHell (Bash Shell) as a developer or Linux user can significantly boost productivity