How to Install Wildfly on CentOS 8

Reading Time: 4 minutes

What is Wildfly?

WildFly is a Java runtime application server and software management platform implemented in Java. It is primarily used to provision Java applications and services on a Java-based platform. It is currently developed by Red Hat as open-source software (apart from the community forums) and was better-known as JBoss AS previously. While the WildFly software remains open-source, paid support can be purchased from RedHat if needed. RedHat continues to implement a separate version of this software under the JBoss EAP name.

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How To Install WildFly On CentOS 7

Reading Time: 5 minutes

Introduction

In this tutorial, our objective is to install WildFly on an unmanaged CentOS 7 server. WildFly is a managed application runtime server and Java software platform used to provision Java applications and services. It is an open-source software which is consistently being improved by its user community. While the WildFly software remains open-source, if paid support is needed, it is provided by Red Hat who currently develops the software (apart from the community forums). Some may be more familiar with WildFly’s previous name, which was JBoss AS. RedHat continues to develop its version of this software under the JBoss EAP name.

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How to Install and Configuring NTP on CentOS and Ubuntu

Reading Time: 8 minutes

Introduction

In this article we will learn what the Network Time protocol (NTP) is and how to install it on the two Linux distributions most commonly used on Liquid Web’s servers. We will be focusing on using CentOS 7 and Ubuntu 18.04 servers, but the process is largely the same on other recent versions of each. Before we start, make sure we are familiar with using SSH (Secure Shell) as we’ll need it to connect to the server. Here’s a link to one of our articles on the basics of SSH if you are unfamiliar with its usage.

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Changes To CSF Country Blocking

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Issue

Have you seen this error when restarting csf?

*ERROR*: Country Code Lookups setting MM_LICENSE_KEY must be set in 
 /etc/csf/csf.conf to continue using the MaxMind databases

Recently MaxMind, the company that provides the IP lookup database based on country of origin for CSF, has decided to require a free license to be able to access that database now.  They had to do this, so they can conform to the new state law in California for the CCPA act.

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What Indicates A Compromised Website?

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Introduction

What happens when a site is compromised? How quickly can you respond when you recognize the signs that something is amiss? In today’s article, we will explore some of the more common indicators of a compromised website, how you can spot it, and how to act on it in a timely manner. 

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Install Fail2Ban On CentOS 7

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What Is Fail2Ban?

Fail2ban is an open-source software that actively scans the servers log files in real-time for any brute force login attempts, and if found, summarily blocks the attack using the servers firewall software (firewalld or iptables). Fail2Ban runs as a background process and continuously scans the log files for unusual login patterns and security breach attempts.

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Top 15 Server Security Practices for 2020

Reading Time: 16 minutes

In this article, we will denote the security best practices for 2020 and beyond. Because security is such a challenging subject for many, it often goes unheeded, and as such, many are caught unaware when an issue arises. By following these best practices, you can significantly lower your risk of being compromised by a malicious actor.

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How To Install nftables In Ubuntu

Reading Time: 5 minutes
firewall2-image

In this article, we will learn how to switch a Linux firewall from IPtables to nftables on Ubuntu. IPtables, which is based on the Linux kernel Netfilter module, is currently the default firewall for many Linux distributions. It protects against multiple threat vectors and allows your server to block unwanted traffic based on a specific ruleset.

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