#systeme

amulet

A free Lua-based audio/visual toolkit suitable for small games and experimentation. It runs on Windows, Mac, Linux, HTML5 and iOS.

Multipaint

A cross-platform (Win, Linux, Mac) image editor/painter which covers the color limitations of 8-bit machines (like C64, ZX Spectrum etc.)

Tutorials: How to set up two-factor authentication for SSH login on Linux

Tutorials: How to set up two-factor authentication for SSH login on Linux

Linux Malware Detect

A malware scanner for Linux designed around the threats faced in shared hosted environments.

PACKET_MMAP/TPACKET/AF_PACKET

It's fine to use PACKET_MMAP to improve the performance of the capture and transmission process in Linux.

netsniff-ng

netsniff-ng is a free Linux networking toolkit, a Swiss army knife for your daily Linux network plumbing if you will. Its gain of performance is reached by zero-copy mechanisms, so that on packet reception and transmission the kernel does not need to copy packets from kernel space to user space and vice versa.

HoneyDrive

HoneyDrive is the premier honeypot Linux distro. It is a virtual appliance (OVA) with Xubuntu Desktop 12.04.4 LTS edition installed. It contains over 10 pre-installed and pre-configured honeypot software packages such as Kippo SSH honeypot, Dionaea and Amun malware honeypots, Honeyd low-interaction honeypot, Glastopf web honeypot and Wordpot, Conpot SCADA/ICS honeypot, Thug and PhoneyC honeyclients and more. Additionally it includes many useful pre-configured scripts and utilities to a

Security Onion

Security Onion is a Linux distro for intrusion detection, network security monitoring, and log management. It's based on Ubuntu and contains Snort, Suricata, Zeek, OSSEC, Sguil, Squert, Snorby, ELSA, Xplico, NetworkMiner, and many other security tools. The easy-to-use Setup wizard allows you to build an army of distributed sensors for your enterprise in minutes!

OSSEC

Comprehensive Open Source HIDS. Not for the faint of heart. Takes a bit to get your head around how it works. Performs log analysis, file integrity checking, policy monitoring, rootkit detection, real-time alerting and active response. It runs on most operating systems, including Linux, MacOS, Solaris, HP-UX, AIX and Windows. Plenty of reasonable documentation. Sweet spot is medium to large deployments.

tsurugi

heavily customized Linux distribution that designed to support DFIR investigations, malware analysis and OSINT activities. It is based on Ubuntu 20.04(64-bit with a 5.15.12 custom kernel)

Vuls

Agent-less Linux vulnerability scanner based on information from NVD, OVAL, etc. It has some container image support, although is not a container specific tool.

Soto Platform

copyright: — Suite of static analysis tools consisting of the three components Sotoarc (Architecture Analysis), Sotograph (Quality Analysis), and Sotoreport (Quality report). Helps find differences between architecture and implementation, interface violations (e.g. external access of private parts of subsystems, detection of all classes, files, packages and subsystems which are strongly coupled by cyclical relationships and more. The Sotograph product family runs on Windows and Linux.

PC-lint

copyright: — Static analysis for C/C++. Runs natively under Windows/Linux/MacOS. Analyzes code for virtually any platform, supporting C11/C18 and C++17.

Gentoo Wiki

Gentoo Linux Wiki with a lot in-detail description of Linux components.

IUS

Community project that provides RPM packages for newer versions of select software for Enterprise Linux distributions.

OpenWrt

A Linux-based router featuring Mesh networking, IPS via snort and AQM among many other features. ([Source Code](https://git.openwrt.org/openwrt/openwrt.git)) `GPL-2.0` `C`

DD-WRT

A Linux-based firmware for wireless routers and access points, originally designed for the Linksys WRT54G series. ([Source Code](https://svn.dd-wrt.com/)) `GPL-2.0` `C`

X2go

X2Go is an open source remote desktop software for Linux that uses the NoMachine/NX technology protocol. ([Source Code](https://code.x2go.org/gitweb)) `GPL-2.0` `Perl`

eZ Server Monitor

A lightweight and simple dashboard monitor for Linux, available in Web and Bash application. ([Source Code](https://github.com/shevabam/ezservermonitor-web)) `GPL-3.0` `PHP/Shell`

OPSI

Hardware and software inventory, client management, deployment, and patching for Linux and Windows. ([Source Code](https://github.com/opsi-org/)) `GPL-3.0/AGPL-3.0` `OVF/Python`