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Category: Systems

Curiosities / Others / Systems

Introduction to PostgreSQL

Welcome to this article where I will introduce you to the world of PostgreSQL. Have you ever heard of this database management system? If your answer is no, or if …

mongodb
Development / programming / Linux / Others / Systems

How to Get Started with MongoDB: Your Ultimate Guide

MongoDB is one of those terms that, if you are involved in software development or database management, you’ve surely heard over and over again. And not without reason, as its …

Comandos de red y FC para ESXi
Systems

Start vCenter with Connectivity from ESX when DVS is Not Working

When working with virtual environments like VMware, one of the crucial components for management is vCenter, which acts as the brain of the virtual data center. Everything works wonderfully until, …

Centos
Others / Security / Systems

How to Fix Access Issues Due to Encryption Negotiation Errors in SSH

If you have ever tried to establish an SSH connection and encountered an error message saying something like “Unable to negotiate with [IP address] port 22: no matching cipher found,” …

tftpd
Others / Systems

Starting with a TFTP Server: A Guide from Scratch

In the vast world of networks and system administration, having the necessary tools and knowledge to perform updates and remote configurations is essential. This is where the Trivial File Transfer …

monitoring
Others / Systems

How to Have High Availability Services with Keepalived

Nowadays, the uninterrupted availability of digital services is an indispensable requirement for businesses and developers. Whether you manage a business-critical website or an essential application, having a robust high availability …

Hard drive
Others / Systems

How to Set Up Your Own S3 Server

With the exponential growth of the cloud, many will have heard of Amazon S3. But what if I told you that you can have something similar in your own corner …

network
Linux-basics / Systems

How to Set Up an NFS Server: Step-by-Step Guide for Ubuntu, Debian, and Red Hat-Based Distributions

The Network File System, or NFS as it’s commonly known, is an essential tool that lets you share files and directories between servers and clients on a network. It’s one …

monitoring
Monitoring / Systems

What are the tools and technologies for monitoring and log analysis in Kubernetes?

Welcome to the wonderful world of Kubernetes, that small universe where, as your applications grow, you realize the pressing need to monitor and analyze everything happening inside your containers. If …

Hard drive
Linux-basics / Systems

Everything You Need to Know About ZFS Snapshots

Hey there! If you’re here, it’s because you want to dive into the captivating world of ZFS, particularly everything surrounding snapshots. Well, you’re in luck. Today, I’m going to guide …

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  • How to Create a Redis Cluster: Step-by-Step Guide
  • Introduction to PostgreSQL
  • How to Get Started with MongoDB: Your Ultimate Guide
  • Start vCenter with Connectivity from ESX when DVS is Not Working
  • How to Fix Access Issues Due to Encryption Negotiation Errors in SSH

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