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Featured

How to Convert Ubuntu 20.04 In Zentyal Firewall

Rajneesh -
Introduction Greeting for the day! We are going to convert Ubuntu 20.04 in Zentyal today. The Server is a very popular OS among Linux admins...
Linux

Configure Pi-Hole with Ubuntu 20.04 Headless Server

Rajneesh -
Introduction Today we will discuss Pi-hole configurations and their usability. Though it was not planned, for the last few days, I was writing on...
Featured

BUILD YOUR NETWORK FIREWALL WITH CLEAROS

Rajneesh -
Introduction Welcome again! today will learn to build a Firewall with ClearOS. in the very last article I listed up the top five firewalls....
Linux

How to Block SSH Brute Force Attacks Using SSHGUARD

Mel -
SSHGuard is an open-source daemon that shields hosts from brute-force attacks. It accomplishes this through monitoring and aggregation of system logs, detecting attacks, and...
Linux

Pfsense High Availability

Mel -
This post is about pfSense High Availability This recipe describes a simple three interface HA configuration. The three interfaces are LAN, WAN, and Sync. This...
Linux

Mount a remote folder with sshfs

Gonzalo Rivero -
Sometimes you just need to copy some files between two computers, you can do that with scp, sftp or rsync. But some of those...
Databases

Oracle Weblogic 14c on CentOS 8

Mel -
Modern business environment demands Web and e-commerce applications that accelerate your entry into new markets like a boom ! help you find new ways...
Featured

Understand Cyber Security and Cryptography

Rajneesh -
What is Cryptography? So Cyber Security and Cryptography both are key elements to protect communication over the internet. We are in an era of undercommented...
Linux

Install NMAP on CentOS 8

Mel -
Nmap (“Network Mapper”) is an open source tool for network exploration and security auditing. It was designed to rapidly scan large networks, although it...
Linux

SSH Tunneling and Proxying

Mel -
Introduction: SSH, also known as Secure Shell or Secure Socket Shell, is a network protocol that gives users, particularly system administrators, a secure way to...
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