The fcron and hcron scheduler alternatives to cron are suitable for computers that do not run around the clock, and each come with specific benefits.
AFICK is a small, free tool that helps administrators detect attempts to manipulate documents and system files.
The Easy-RSA tool that comes with OpenVPN provides trouble-free open source PKI management.
The open source Orion project is a browser-based tool integration platform for web development.
Anchore produces a detailed analysis of your container images for known vulnerabilities in your application and operating system packages.
Build a continuous integration pipeline by linking Git, Jenkins, Docker, and GitHub into a build chain that can be flexibly extended and modified.
The Nikto scanner performs multiple comprehensive tests against web servers.
The right combination of mostly free automation and monitoring tools can create a self-healing system, in which your servers fix themselves.
The GNS3 network simulator is a convenient open source tool for the design and simulation of Cisco-based networks.
Automate the search for passwords, secret keys, tokens, and other authentication credentials on GitHub.