security

How To Harden OpenSSH on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Harden OpenSSH on Ubuntu 20.04

Linux servers are often administered remotely using SSH by connecting to an OpenSSH server, which is the default SSH server software used within Ubuntu, Debian, CentOS, FreeBSD, and most other Linux/BSD-based systems. In this tutorial, you will harden your Ubuntu 20.04 OpenSSH server by using different configuration options to help ensure that remote access to your server is as secure as possible.

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How To Host a Website with Caddy on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Host a Website with Caddy on Ubuntu 16.04

[Caddy](https://caddyserver.com/) is a web server that was created with ease of use in mind. It’s become a common choice for developers who want to quickly run a website without working out difficult configuration files. In this tutorial, you will build and install Caddy from source, configure it using a `Caddyfile`, install Caddy plugins, and learn how to update your installation of Caddy when a new version is released.

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How To Install and Use Bastille To Harden an Ubuntu 12.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Use Bastille To Harden an Ubuntu 12.04

In this the cloud provider article, using Bastille, we are going to enhance the security of our system and greatly power up our knowledge and understanding of Linux system hardening by analyzing what Bastille in essence aims to teach with its thorough guide notes as we analyze various aspects of the process.

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How To Install DenyHosts on CentOS 6 — step-by-step Linux tutorial on Progressive Robot

How To Install DenyHosts on CentOS 6

DenyHosts is a security tool written in python that monitors server access logs to prevent brute force attacks on a virtual private server. The program works by banning IP addresses that exceed a certain number of failed login attempts. This tutorial explains how to install denyhosts, how to whitelist your IP address, and where to find the denyhosts configuration file. It is written for CentOs.

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How To Optimize Your Tomcat Installation on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Optimize Your Tomcat Installation on Ubuntu 14.04

Tomcat is a popular implementation of the Java Servlet and JavaServer Pages technologies. It is released by the Apache Software Foundation under the popular Apache open source license. Its powerful features, favorable license, and great community makes it one of the best and most preferred Java servlets.

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How To Protect SSH with fail2ban on Ubuntu 12.04 — step-by-step Linux tutorial on Progressive Robot

How To Protect SSH with fail2ban on Ubuntu 12.04

fail2ban provides a way to automatically protect virtual servers from malicious behavior. This tutorial shows you how to install Fail2Ban, copy the Configuration File, configure the fail2ban defaults, and find out how to configure the ssh defaults. This tutorial describes the required steps to set up fail2ban on Ubuntu.

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How To Reset Your MySQL or MariaDB Root Password on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Reset Your MySQL or MariaDB Root Password on Ubuntu 18.04

Forgetting passwords happens to the best of us. If you forget or lose the **root** password to your MySQL or MariaDB database, you can still gain access and reset the password if you have access to the server and a sudo-enabled user account. In this tutorial you’ll reset the root password for your MySQL or MariaDB database running on Ubuntu 18.04.

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How To Secure Apache with Let's Encrypt on Debian 11 — step-by-step Linux tutorial on Progressive Robot

How To Secure Apache with Let’s Encrypt on Debian 11

Let’s Encrypt is a Certificate Authority (CA) that provides an easy way to obtain and install free TLS/SSL certificates, thereby enabling encrypted HTTPS on web servers. In this tutorial, you will use Certbot to obtain a free SSL certificate for Apache on Debian 11 and set up your certificate to renew automatically.

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