Sunday, April 21, 2019

Easy way to Create SSH tunnels on Linux CLI

In this blog post, I'll show you how to easily create an SSH tunnel to a remote server. I have learned that one of the big knocks against SSH tunnels is...

How to Setup IPSec VPN server with L2TP and Cisco IPsec on Ubuntu /...

Have you been struggling to set up your own IPsec VPN server in just a few minutes, with both IPsec/L2TP and Cisco IPsec on CentOS, Ubuntu and Debian Linux flavor?. I'll...
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How to change or update SSH key Passphrase on Linux / Unix

Let's look at how you can update or change your SSH key Passphrase on a Linux system. SSH keys are often used to authenticate users to some kind of information systems....
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 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 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 Secure Passwords using Entropy and Password Management

Password protection is more important than ever. Hackers are more intelligent and wise to techniques that can be used to gain access to accounts. Meanwhile, members of the general public still...

Easy Way to Install and Configure OpenVPN Server on Ubuntu 18.04 / Ubuntu 16.04

Do you want to access the internet securely and safely while leveraging open and untrusted networks like Wi-Fi access points?. OpenVPN is a full-featured, open-source Secure Socket Layer (SSL) VPN solution that supports...

How to use nmcli to connect to OpenVPN Server on Linux

OpenVPN Server is a full-featured secure network tunneling VPN software. In this blog post, we will cover the steps to use nmcli to connect to OpenVPN Server on Linux. OpenVPN Server has Client...

How to connect to VPN Server with OpenConnect SSL VPN Client on Linux

OpenConnect is an SSL VPN client initially created to support Cisco's AnyConnect SSL VPN. It has since been ported to support the Juniper SSL VPN which is now known as Pulse Connect...