Linux – How To Learn IT

Linux server health/process check

August 22, 2022August 13, 2022 by GocIT

All the details about the server health, process, resource utilization can be find using this single bash script.

How to add hard disk to VMware running CentOS 7

August 22, 2022August 10, 2022 by GocIT

There are two easy steps to add a hard disk for a VMware CentOS 7 VM.

Assign a new hard disk in VMware vSphere
Configure the new hard disk in CentOS

Introduction to Kubernetes

August 22, 2022July 7, 2022 by GocIT

Let’s get into it.

If you’re reading this article, it’s likely because you’ve heard this buzzword “Kubernetes” (K8s) and you’re likely to be in the technology space. You would also likely have some idea of what containerization (or synonymously known as Docker / dockerization) is, so I would skip over the details of that and jump straight into what K8s is.

How to install OpenVPN

August 22, 2022May 5, 2022 by GocIT

OpenVPN is a full-featured SSL VPN (virtual private network). It implements OSI layer 2 or 3 secure network extension using the SSL/TLS protocol. It is an open source software and distributed under the GNU GPL. A VPN allows you to connect securely to an insecure public network such as wifi network at anywhere. VPN is also required to access your corporate or enterprise or home server resources. You can bypass geo-blocked site and increase your privacy or safety online. This tutorial provides step-by-step instructions for configuring an OpenVPN “road warrior” server on Linux including ufw/iptables firewall configuration

How to Check IOPS and Latency in Linux?

August 22, 2022April 28, 2022 by GocIT

In this article we will discuss how to check the performance of a disk or storage array in Linux. IOPS (input/output operations per second) is the number of input-output operations a data storage system performs per second (it may be a single disk, a RAID array or a LUN in an external storage device). In general, IOPS refers to the number of blocks that can be read from or written to a media.

How To Install and Use Docker Compose on Linux

August 22, 2022April 26, 2022 by GocIT

Introduction

Docker is a great tool for automating the deployment of Linux applications inside software containers, but to really take full advantage of its potential it’s best if each component of your application runs in its own container. For complex applications with a lot of components, orchestrating all the containers to start up and shut down together (not to mention talk to each other) can quickly become unwieldy.

How To Install Docker on Linux

August 22, 2022April 26, 2022 by GocIT

Docker’s popularity has increased rapidly over the past years, and it has evolved traditional software development. Docker’s containers allow for the immense economy of scale and have made development scalable, while at the same time keeping the process user-friendly. Our Docker tutorial will help you understand Docker containers, and its benefits, and will also help learn the ways to build docker environment and docker commands. So start learning now to know everything about docker – from its advantages to how it is different from other virtual machines, know how to install it and master several docker technologies.

What is Docker?

August 22, 2022April 25, 2022 by GocIT

Docker is an open source platform for building, deploying, and managing containerized applications. Learn about containers, how they compare to VMs, and why Docker is so widely adopted and used.