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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.

FreePBX is a first-class replacement for commercial phone systems, even in complex setups.

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.

We take a deep dive into two powerful tools for tracing network paths and troubleshooting connectivity issues: Test-NetConnection and mtr.

Sensor tools can provide highly variable data from CPUs, GPUs, and a variety of sources. We look at some tools to verify the temperature of components on diverse hardware.

Defining I/O baselines helps you determine the highest performance you can expect from your system when configured properly.

Maximize telephony uptime by clustering Asterisk or FreeSWITCH PBXs together.

Optimize your code with loop transformations.