Fedora/CentOS Stream/Red Hat Enterprise Linux Guide. Including Security tools, Encryption, Virtualization, Gaming, Software Apps, and Resources.

🐧 SysWarden is an ultra-lightweight Host-based Security Orchestrator for Linux.

POSIX shell script automating Linux/FreeBSD server security hardening.

Block countries using iptables + ipset + ipdeny.com

Dumping ground for various HowTo documents that I produce

Atomic IP blocking with zero downtime using ipsets and firewalld. Supports IPv4/IPv6 and CIDR optimization.

CentOS 7 install script for SoftEther VPN (Development branch)

My script to setup a "secure" base Linux install on a VPS server .....

Check if linux server is hacked, and enhance your CentOS server

Install NginX, PHP 7.1, MySQL 5.7, Varnish, Composer, Firewalld, Check_MK and Fail2Ban on CentOS 7+, RedHat 7+, Fedora 23+ servers

A professional lamp stack installer

fail2ban-ops is a collection of scripts designed to assist with the management, monitoring, and automation of Fail2Ban. These tools allow system administrators to easily check the status of Fail2Ban jails, unban IP addresses, and analyze blocked IP statistics in a firewall environment.

Daily feed of bad IPs (with blacklist hit scores). Firewall-cmd script

IP blacklist aggregator

LiNUX Tutorials

Basic iptables/ip6tables monitoring script for use with Nagios

A one-click script to update and harden your Linux VPS or server. Supports: - Ubuntu - Debian - CentOS - AlmaLinux

Versatile IPs Blacklister

Zero-dependency bash framework and orchestrator for unified firewall management across iptables, nftables, firewalld, ufw, and ipset. UUID-tracked rule lifecycle, compound actions, connection tracking, rate limiting, immutable backups, and defense-in-depth security controls. Interactive menu + CLI. 7 platforms, 375 tests.