Saturday, April 20, 2019

How to install and use pi-hole on Linux – A black hole for...

In this guide, we will cover the installation and usage of pi-hole on Ubuntu 18.04 / Ubuntu 16.04 / Debian and CentOS 7 system. pi-hole is a DNS sinkhole for Internet advertisements which...

How to create locally trusted SSL Certificates on Linux and macOS with mkcert

Are you tired of using non-trusted SSL certificates on your Local development projects?. I know to maintain your own Certificate Authority(CA) is a pain in the neck, with arcane...

How to install OpenSSL on Windows Server 2019

How to install OpenSSL on Windows Server 2019?, How to use OpenSSL on Windows server 2019?. OpenSSL is an open source library that provides cryptographic protocols used to secure...

How to Perform Information Gathering on Linux with Digger

Are you a penetration tester trying to perform a quick information gathering?. Digger is a multi-functional tool written in python for all of your primary data gathering needs. Digger will help you to do...

How to Install OSSEC HIDS on Ubuntu 18.04 / 16.04 / Debian 9

This guide will help you to  Install OSSEC HIDS on Ubuntu 18.04 / 16.04 / Debian 9. OSSEC is an open source host-based intrusion detection system (HIDS) that runs on Linux, OpenBSD, Solaris,...
Firewalld on RHEL7

Install and use Firewalld on Ubuntu 18.04 / Ubuntu 16.04

Firewalld is Linux firewall management tool with support for IPv4, IPv6, Ethernet bridges and IPSet firewall settings. It acts as a front-end to Linux kernel's netfilter framework. Firewalld is a default...

How To Secure GitLab Server with SSL Certificate

In our earlier articles, we covered the installation of GitLab CE on Ubuntu, Debian, CentOS, and Fedora Linux distributions. In today's article, we will see how you can secure GitLab Server with...

How To Set Up Two factor (2FA) Authentication for SSH on CentOS / RHEL...

We will be looking at how to secure SSH with two factor authentication using Google Authenticator on CentOS / RHEL 8/7. Two-factor authentication is a process which compose of...

Configure Jenkins behind Nginx reverse proxy and Let’s Encrypt SSL

Question: How can I put Jenkins behind Nginx reverse proxy and Let's Encrypt SSL certificate?. Jenkins is a powerful open source automation server built for automating repetitive tasks and...

How to Install and Configure OPNSense Firewall

Introduction to OPNSense Starting as a fork of pfSense® and m0n0wall in the year 2014, OPNSense has its official release in January 2015. It is an...