ajith kumar

Introduction Harbor is a popular, open-source container image registry that secures images with role-based access control, supports image replication, and integrates with external authentication systems. Like any registry, it’s critical to regularly back up your Harbor instance, including the database, image storage, configuration, and SSL certificates. This guide provides step-by-step… Continue Reading Harbor – Dockerhub Backup and Restore Guide

Introduction In many organizations, it’s important to give users access to logs and dashboards without allowing them to make any changes. Kibana, the visualization tool for Elasticsearch in the ELK stack, allows you to create read-only users for this exact purpose. In this guide, we’ll walk through the simple steps… Continue Reading How to Create a Read-Only User for Kibana Dashboard (ELK Stack)

Introduction: Metricbeat is a lightweight shipper for collecting and forwarding system and service metrics to Elasticsearch, Logstash, or another data processor. It periodically collects data from configured metric sets and sends it to a specified output. Prerequisite:1. Need Elastic search, Logstash and Kibana preconfigured server.2. Allow the required port to… Continue Reading Install metric beat and configure for CPU, disk and memory monitoring in ELK.

Introduction : Configuring Git credentials in Jenkins is essential for automating your build and deployment pipelines. By securely storing and managing your Git credentials, you can: Prerequisites : Steps to Configure : Step 1: SSH Key Pair for Jenkins User Switch to Jenkins User View the Public Key and copy… Continue Reading How to Configure the Bitbucket credentials in Jenkins

Introduction: The ELK Stack (Elasticsearch, Logstash, and Kibana) is the world’s most popular open-source log analysis platform. ELK is quickly overtaking existing proprietary solutions and becoming companies’ top choice for log analysis and management solutions. Configuring and using ELK Stack : Installation (Debian-package): Configurations: Installing and Configuring the Kibana Dashboard… Continue Reading ELK Stack Configuring Logging.

Introduction : PostgreSQL, commonly known as Postgres, is a powerful open-source relational database management system. It excels in data integrity, extensibility, and compliance with SQL standards. Postgres is widely utilized for handling complex and high-performance database applications. Its active community and continuous development. Prerequisites: PostgreSQL Installed: Ensure PostgreSQL is installed… Continue Reading How to connect the Postgres DB using Terminal and UI

Introduction :  MySQL is an open-source relational database management system (RDBMS) that enables efficient storage and retrieval of data. It uses a structured query language (SQL) to manage databases, providing a scalable solution for various applications. MySQL is known for its reliability, speed, and ease of use, making it a… Continue Reading How to connect MySQL via Terminal and Workbench

Introduction : File Transfer Protocol (FTP): File Transfer Protocol (FTP) is a standard network protocol for file exchange between clients and servers. Operating on a client-server model, FTP can’t have built-in encryption, making data susceptible to security risks. Despite its simplicity and widespread use, FTP may not be ideal for… Continue Reading How to connect FTP and SFTP via Terminal and Filezilla

Introduction SSH or Secure Shell is a cryptographic network protocol that provides a secure way to access and manage network devices and servers over an unsecured network. It is widely used for securely connecting to remote systems, executing commands, and transferring files. Prerequisites Implementation : Without port number (Default port… Continue Reading How to SSH remote server via Terminal