the blog.

Building/enabling HAProxy to use tls 1.3 centos 7 / ubuntu

This article gives an outline of how to build HAProxy with OpenSSL so it can use TLS v1.3 on centos or ubuntu. 1. Build and install OpenSSL 1.1.1 In order to have TLS 1.3 support, you will need to install version 1.1.1 of OpenSSL. These instructions build OpenSSL into a directory /usr/local/openssl-1.1.1 shared to ensure…

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Install LAMP (Linux, Apache, MySQL, PHP) on Ubuntu 20.04 LTS

LAMP (Linux, Apache, MySQL, PHP) is a very common example of a web service stack, named as an acronym of the names of its original four open-source components: the Linux operating system, the Apache HTTP Server, the MySQL relational database management system (RDBMS), and the PHP programming language. The LAMP components are largely interchangeable and…

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How to create a ssh user with sudo privileges’ in Ubuntu

sudo stands for either “superuser do” or “switch user do“, and sudo users can execute commands with root/administrative permissions, even malicious ones. Be careful who you grant sudo permissions to – you are quite literally handing them all access to your instance. 1. Creating a sudo user a) ssh in to your server as the…

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How to setup sftp on ubuntu 18.04 using vsftpd

Introduction to the SFTP SFTP stands for SSH File Transfer Protocol. As its name suggests, it’s a secure way to transfer files between machines using an encrypted SSH connection. Despite the name, it’s a completely different protocol than FTP (File Transfer Protocol), though it’s widely supported by modern FTP clients. In this article i’ll tell…

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How To Install and Manage RabbitMQ on Ubuntu 20.04

What is RabbitMQ and When to Use ? RabbitMQ is an open-source message-broker software that originally implemented the Advanced Message Queuing Protocol and has since been extended with a plug-in architecture to support Streaming Text Oriented Messaging Protocol, MQ Telemetry Transport, and other protocols. RabbitMQ is one of the market’s most common message broker solutions,…

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How to Enable ENA support for older EC2 Instances in AWS.

ENA stands for Elastic Network Adapter and all the newer EC2 class in AWS requires elastic network adapter. So how you can migrate older ec2 instances to newer class? There are many options to enable enhanced networking with ENA for ec2 instances and same is also explained in AWS official tutorial. Here in this article…

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Speed Test – Ubuntu Terminal

1. How to check Internet Speed via Terminal in Linux or Ubuntu? The easiest way to test internet speed in Ubuntu terminal is installing and using speedtest-cli. You can check the detailed information in this blog regarding downloading, installing and usage of it. If you don’t want to install speedtest-cli then also you can directly…

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12 security headers you should use to prevent Vulnerabilities.

Security is as important as the website’s content and SEO, and thousands of websites are hacked because of misconfiguration or lack of security. If you are a website owner or security engineer looking to protect your website from attacks by clickjacking, code injection, MIME types, cross site scripting, cookie hijacking etc. then this article will help…

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