DevOps Archives - Page 15 of 40 - DEVOPS DONE RIGHT.

AWS Transit Gateway – A Saviour for your Connections

As the Edtech industry continues to grow and evolve, the need for reliable and secure network infrastructure becomes imperative. Recently I got a chance to work on an Edtech project where we had to manage multiple Virtual Private Clouds (VPCs) and on-premises networks in order to accommodate their different environments – development, testing, and production.

Managing these networks separately was quite challenging and also made it difficult to troubleshoot any issues. This is where we thought of leveraging AWS Transit Gateway. In this blog, we’ll explore the capabilities of AWS Transit Gateway.

Transit Gateway can make your routing easy with the simple configuration just by making simple Transit attachments. See how it works.

What is Transit Gateway?

Transit gateways help you to connect multiple VPCs, multiple Transit Gateway, network Appliance, AWS Direct Connect Gateway, and VPN to transit Gateway. It helps you in making your routing flow understandable and easy to maintain. More over you can say it’s serverless of your VPC peering Service.

Cert-Manager Issuer for Cross-Account Route 53 [ EKS ]

Cert-Manager is a very powerful tool when we talk about managing TLS certificates & issuers and no other tool comes near the Cert-Manager for kubernetes in terms of open source, visibility, documentation, installation option, integration, and many more. Even with the same account or cross-account option, there is a direct integration option provided by cert-manager CRDs. This will lead to ease of setting of certificates and managing those created certificates.

ASSUMPTION

For this session/blog, we are going to use ACME certificates [or Let’s encrypt certificates] using DNS01 challenger.

Before setting up we need to have the clarity of account and their functionality.

ACCOUNT-X — EKS SETUP

ACCOUNT Y — ROUTE 53

NOTE: For the same account, you can use serviceaccount to make a call through OIDC To AWS IAM Role.

How to Fix a Corrupted GUI after Downgrading Python on Ubuntu?

If you’ve recently downgraded Python on Ubuntu, you may have noticed that your GUI is not functioning properly. Specifically, the login screen may be corrupted or not loading at all, and you may not be able to log in or access your desktop. This is because the downgrade may have caused some dependencies to break, including the lightdm package that manages the display manager.

What is Lightdm ?

Lightdm is a display manager that manages the login screen and desktop environment for Ubuntu and other Linux distributions. It’s responsible for starting the X server, authenticating users, and loading the graphical user interface. If lightdm is not functioning properly, you may not be able to log in or access your desktop. Reinstalling lightdm is a simple and effective solution to fix these issues and restore your system’s GUI.

Downgrading Python can cause unexpected issues with your system, particularly with the graphical user interface (GUI). Specifically, the display manager known as lightdm may become corrupted, resulting in an unusable login screen and desktop environment.

ServiceNow – Azure DevOps Integration

The IT industry needs optimal efficiency in its enterprise, which is not an easy task. Traditional practices are still in use but are not beneficial as they can slow down the process considerably. So, here comes ServiceNow, which has become a complete packed solution for IT Industries.

ServiceNow is software based on the cloud, providing IT services for automating business tasks and their management. It uses Machine Learning technology to automate processes and create workflows.

Azure DevOps supports a collaborative culture and set of processes that bring together developers, project managers, and contributors to develop software. It allows organizations to create and improve products at a faster pace than they can with traditional software development approaches.

In this article, we will discuss, how to use ServiceNow effectively by integrating it with Azure DevOps. Continue reading “ServiceNow – Azure DevOps Integration”

Introduction to Azure Active Directory

Introduction:

In organizations, employees often need access to various Azure services to perform their tasks. They can use services like SQL database or Azure container services when the system administrator assigns them a user id and password for each service. However, managing multiple user logins for each service can be a hassle for administrators, especially in organizations with over 1000 employees. Azure Active Directory (AD) helps solve this issue by enabling administrators to manage multiple user logins in a centralized manner.