Articles
Operating large language models in-house
An internal AI server is an interesting way to retain data sovereignty. We show you how to set up an in-house AI server on your hardware and use it in parallel with AI services such as ChatGPT in the cloud.
Safeguard your Kubernetes setup with Kanister
The Kanister tool is an extensible open source framework for application-level data management and backups in Kubernetes.
FreePBX phone system
FreePBX is a first-class replacement for commercial phone systems, even in complex setups.
Securing AI model deployments with SELinux
We assess the effectiveness of SELinux in protecting AI model deployments on RHEL 9, demonstrating its ability to block unauthorized access, modification, and resource exploitation through mandatory access control.
Search for domain controller vulnerabilities
Nmap and Nessus can help you search for vulnerabilities on Active Directory domain controllers and shut them down. We show you how to use Nmap scans, set up Nessus, and test a DC.
Create flexible backups with Kopia
The Kopia open source system for automating the creation and transfer of backups supports a wide range of remote storage devices, making it particularly useful as a backup tool in cloud environments. The convenient GUI for Windows installations holds its own against commercial products, despite its short development history.
Enforce secure workstation configurations
Puppet lets you enforce consistent, secure workstation configurations by emphasizing the use of declarative infrastructure and system-level protections such as chattr and systemd to prevent unauthorized changes and support a resilient security posture.
Snapshot management for Azure VMs
Microsoft recommends the use of snapshots both locally and for Azure VMs. We describe how to create snapshots in the Azure GUI and with PowerShell and how to protect your snapshots against unauthorized access.
Comparing system rescue distros
Rescue systems play a particularly important role for desktops because they cannot simply be reinstalled on the fly. We look at venerable but outdated Knoppix and three still in development: Grml, SystemRescue, and Finnix.
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