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How to create a lifecycle policy for an S3 Bucket on AWS

In this article, we will see the steps to move objects (Transition Action) to Glacier after 10 days of creation and delete(Expirations Action) them after 365 days of creation.

How to Install Discourse Forum with Docker on CentOS 8

Discourse is a free and open-source platform built for the next decade of the Internet. In this tutorial, we will show you how to install Discourse forum using Docker on CentOS 8 server.

How to use Cloudformation to create an EC2 instance

In this article, we will create an EC2 instance with the latest Linux AMI using Cloudformation hence knowing the basics of cloud formation is required.

How to Install TensorFlow machine-learning framework on Ubuntu 20.04

TensorFlow is a free and open-source machine-learning platform developed by Google. It helps developers and data scientists to simplify the process of implementing machine-learning models.

How to create Cloudwatch alarms for an S3 Bucket on AWS

Cloudwatch provides Storage Metrics and Request Metrics for S3 Buckets. Storage Metrics come up with no extra cost and provided once a day whereas Request Metrics are available at 1-minute intervals and incur charges.

How to Install Invoice Ninja on Ubuntu 20.04

Invoice Ninja is a free and open-source online invoicing app for freelancers & businesses that helps you to accept payments, track expenses, create proposals, and time-tasks. In this tutorial, we will show you how to install Invoice Ninja with Apache and Let's Encrypt SSL on Ubuntu 20.04 server.

How to recover AWS account access if the MFA device is lost

It is recommended to enable Multifactor Authentication (MFA) for your AWS account. MFA is used to secure your AWS account, it adds an extra layer of security to the account. This guide shows you how to access your account when the 2nd-factor device is lost.

Monitoring system resources using SAR on Ubuntu 20.04

SAR also know as a "System Activity Report" is a system resource monitoring tool for Linux operating systems. In this tutorial, we will show you how to install and use SAR to monitor system performance.

How to use Cloudformation to create an SNS topic on AWS

AWS SNS is a Simple Notification Service. It can be used by Cloudwatch to send alert emails. In this article, we will create an SNS topic using Cloudformation and subscribe to an email endpoint.

How to Install Matomo (Piwik) Web Analytics on CentOS 8

Matomo formerly known as Piwik is an open-source analytics application for the Linux operating system. It is very similar to Google Analytics that helps you to tracks and display the location of user visits.

Getting started with GIT on Linux

Git is a distributed version control system. It is used for tracking changes in any files. It was designed for coordinating work among programmers operating on source code during the software development process. In this article, I will show you the commands to perform basic operations on a Git repository.

How to install ReactJS on Ubuntu 20.04

ReactJS is a free and open-source JavaScript library used for building reusable UI components. In this tutorial, we will show you how to install create react app and host a ReactJS application with Nginx web server on Ubuntu 20.04.

How to setup Elastic Container Service (ECS) on AWS

Elastic Container Service is a fully managed container orchestration service provided by AWS. In this article, we will create an ECS cluster and deploy a sample Nginx application onto it. We will create a test cluster to understand the cluster setup. You are advised to set up a production cluster with a customized configuration as per the requirement.

How to Install KeeWeb Password Manager on Ubuntu 20.04

KeeWeb is an open-source password manager used to store passwords both online and offline. It is compatible with KeePass and also available as a web version and desktop apps. In this tutorial, we will show you how to install the KeeWeb password manager on Ubuntu 20.04.

How to Install and Configure SeaweedFS Cluster on Ubuntu 20.04

SeaweedFS is an open-source, simple and highly scalable distributed file system to store and serve billions of files fast. It is very similar to other file systems including, Ceph, GlusterFS and HDFS.

How to create an inventory configuration in S3

In this article, we will create an inventory configuration to store object metadata in CSV format. We can store reports in the same bucket as the source bucket, but we will use a different bucket to store this than the bucket for which we will be creating this inventory configuration.

How to enable end-to-end encryption while real-time co-editing in ONLYOFFICE Workspace

In ONLYOFFICE, Private Rooms are protected workplaces for encrypted collaboration where every symbol you type is encrypted using the AES-256 algorithm. In this tutorial, we’ll learn how to enable Private Rooms for encrypted real-time co-editing in ONLYOFFICE Workspace.

How to use Cloudformation to create an S3 bucket

There are multiple ways in which you can create an S3 bucket on AWS. Cloud formation is one of the Infrastructure as Code (IaC) ways to do this. In this article, we will explore several options available in Cloudformation to create an S3 bucket.

How to Set Up WireGuard VPN on Ubuntu 20.04

WireGuard is an open-source and security-focused virtual private network designed for simplicity and ease of use. If you are looking for a lightweight and fast VPN then the WireGuard VPN is the best choice for you. In this tutorial, we will show you how to install the WireGuard VPN server and client on Ubuntu 20.04.

How to secure your AWS account by enabling Multi-Factor Authentication

In this article, we will see the steps to enable Multi-factor Authentication using a virtual device. A virtual Multi-factor Authentication device is nothing but an application or software running on your phone. This application generates a six-digit code that needs to be entered while logging into the account.

Create and Store Secrets like Passwords, OAuth Tokens, and SSH Keys in Kubernetes

In Kubernetes, we can store and manage sensitive information, such as passwords, OAuth tokens, and ssh keys using Kubernetes Secrets. In this article, we will create secrets using .yml file and access them in the Pod as Environment Variables.

How to Use Perf Performance Analysis Tool on Ubuntu 20.04

Perf is a simple but powerful performance monitoring tool for Linux based operating systems. It is used to trace or count both hardware and software events. In this tutorial, we will show you how to install and use Perf performance monitoring tool on Ubuntu 20.04.

How to Deploy a Multi-Tier Application with Kubernetes

A multi-tier application is an application distributed among more than one layer. It logically separates the operational layers. The number of layers varies with business and application requirements. In this article, we will see an application divided into 2 layers, backend and frontend layer.

How to Install Netdata Monitoring Tool on Ubuntu 20.04

Netdata is a free, open-source and real-time performance and health monitoring tool. In this tutorial, we will show you how to install the Netdata monitoring tool on Ubuntu 20.04 server.

How to Install Slack on Ubuntu 20.04

Slack is a modern communication platform for companies to replace emails. In this guide we will learn how to install Slack under Ubuntu 20.04. Slack can be easily installed on your system by following a few basic steps. Here we will use the snap package to install Slack, but you can also use the deb package, as both will help you achieve your goal.

How to use S3 Storage Lens to view storage usage and activity metrics of S3 Bucket on AWS

AWS S3 Storage Lens gives visibility into object storage usage, activity trends. It gives recommendations to improve cost-efficiency, also it applies data protection best practices. It is the first analytics service that provides a  single view of object storage usage and activity across hundreds and thousands of accounts in an organization.

How to Install OCS Inventory Asset Management Software CentOS 8

OCS "Open Computers and Software Inventory Next Generation" is an open-source assets management solution that allows you to inventory IT assets. In this tutorial, we will explain how to install OCS inventory on CentOS 8 server.

How to Install CouchDB on Ubuntu 20.04

In this guide, you will learn how to install CouchDB NoSQL database on Ubuntu 20.04 and how to create your first CouchDB database using the integrated Foxton Control panel.

Manage operations on S3 Bucket using aws-cli from the EC2 instance

In this article, we will see the steps and commands to create an S3 bucket from the command line and perform basic operations on it like copy files, sync files,  etc.

How to Install Nginx with Google PageSpeed on Ubuntu 20.04

Nginx is a free and open-source web server that powers many sites on the internet. It can be used as a reverse proxy and load balancer. In this tutorial, we will show you how to compile ngx_pagespeed as a dynamic module with Nginx on Ubuntu 20.04 server.

How to add a replication rule to an S3 bucket

Replication is the auto-coping of S3 objects from one S3 Bucket to another S3 Bucket in the same region or in a different AWS region. In this article, I will show you the steps to create a replication rule to copy objects to/from the existing buckets.

How to Install Cacti Network Monitoring Tool on Ubuntu 20.04

Cacti is a free, open-source and web-based network monitoring tool written in PHP. It is a front-end application for the RRDtool. In this tutorial, we will show you how to install the Cacti monitoring tool on Ubuntu 20.04 server.

How to store credentials on AWS using Parameter Store

In this article, we will create a parameter and store configuration data in it of type SecureString. We will also modify the parameter and see how it maintains multiple versions.

How to install ONLYOFFICE Docs 6.1 on Ubuntu

ONLYOFFICE Docs is an open-source office suite distributed under GNU AGPL v3.0. It comprises web-based viewers and collaborative editors for text documents, spreadsheets, and presentations highly compatible with OOXML formats. In this tutorial, we’ll learn how to install ONLYOFFICE Docs (Docker version) to your machine.

How to create and store secrets using Secret Manager in AWS

Application secrets or credentials can be stored using the AWS Secret Manager securely. Secrets can be rotated, managed, and retrieved throughout their lifecycle using AWS Secret Manager.

How to Install Cerb Collaboration and Email Automation on CentOS 8

Cerb is a free, open-souce and web-based collaboration and automation tool used for sending high volumes of emails. In this tutorial, we will learn how to install and configure Cerb on CentOS 8 server.

How to Install HTTP Git Server with Nginx on Ubuntu 20.04

Git is a free and open-source versioning system developed by Linus Torvalds. It is used by millions of developers around the world. In this tutorial, we will show you how to install and configure Git HTTP server with Nginx on Ubuntu 20.04.

How to take and restore a snapshot on AWS RDS MySQL Instance

In this article, we will see the steps to create a snapshot of the existing RDS MySql Instance. Then we will see the steps to restore the snapshot which creates a new RDS Instance. At last, we will clean up the instances and snapshots.

How to Deploy a Clojure Web Application with Nginx on Ubuntu 20.04

Clojure is a modern, dynamic and powerful programming language on the Java platform. In this tutorial, we will explain how to deploy a Clojure Web Application on Ubuntu 20.04.

How to use bash if -z and if -n for testing strings in Linux

There are different string operators available in bash scripting language which can be used to test strings. In this guide, we will test these string operators using the if statement in Centos 8.

How to create and use a CodeCommit GIT Repository on AWS

CodeCommit hosts Git-based repositories and is a fully managed service by AWS. Teams can use it to collaborate on code in a secure and highly scalable way. It helps us to eliminate the need of having our own self-hosted Source Code Management (SCM) system and manage it on our own.

How to Install OpenNMS Network Monitoring Tool in CentOS 8

OpenNMS is a free and open-source network monitoring and network management platform used for managing enterprise networks around the world. It is based on Java and is designed to manage thousands of devices from a central location.

How to Install ElkArte Forum with Apache and Let's Encrypt SSL on CentOS 8

ElkArte is a free and open-source forum software based on Simple Machine Forum. In this tutorial, we will show you howto install ElkArte with Let's Encrypt SSL on CentOS 8.

Installation of Sublime text editor on Ubuntu 20.04

Sublime Text is a well-known text editor used to write source code for web development. This tutorial will assist you in installing Sublime Text on an Ubuntu 20.04 machine.

How to Install Gibbon LMS on Ubuntu 20.04

Gibbon is a free and open-source school management system specially designed for teachers, students, parents and leaders. It helps teachers to find, contact and help their students.

How to create a Cloudwatch Event Rule in AWS

A near-real-time stream of system events that describe changes in AWS resources is delivered by CloudWatch Events. We can create a rule that matches events and route them to one or more target functions.

How to use Bash file test operators in Linux

File Test Operators are used in Linux to check and verify attributes of files like ownership or if they are a symlink. In this article, you will learn to test files using the if statement followed by some important test operators in Linux.

How to Install SOGo Groupware on Debian 10

SOGo is a free, open-source and collaborative groupware server released under the GNU GPL/LGPL v2 and above. It comes with a simple and easy to use web-based interface and supports multiple native clients.

How to Install Rocket.Chat Server with Nginx on Ubuntu 20.04

Rocket.Chat is a web-based chat application written in JavaScript, using the Meteor full-stack framework. It is an open-source chat collaboration platform that allows you to communicate securely in real-time across multiple devices.

How to Install Calibre Ebook Server on Ubuntu 20.04

Calibre is a free and open-source e-book manager. It ships as a cross-platform desktop application along with a server component and can be used to manage your e-book library.
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