On Linux, the umask defines how new files and directories inherit access rights. Linux uses your current umask value to ...

When an application doesn't respond, it's usually accompanied by it gobbling up system resources. Should that application consume all your remaining CPU or RAM, your system could become unresponsive, ...

If you need to scan your network, nmap is the tool to use. Nmap can be installed on any Linux distribution. Nmap has several very handy commands. The nmap command (short for network mapper) is a ...

If you want to play free, infinitely-generated Sudoku games in the minimalist interface and low-resource base of a Linux ...

One of the most respected entry-level cloud native certifications available today is the CNCF Kubernetes and Cloud Native Associate (KCNA). So how do you pass the KCNA certification? You practice by ...

The new Army counterintelligence special agent badge is worn by a newly credentialed enlisted soldier at a badge and credentials ceremony, McGill Training Center, Fort Meade, Maryland. (Adam Lowe/Army ...

If you want to pass the GH-300 GitHub Copilot Certification exam on your first attempt, you not only need to learn the exam material, but also master how to analyze and answer GitHub Copilot exam ...

Cybersecurity researchers have shed light on the inner workings of a botnet malware called PolarEdge. PolarEdge was first documented by Sekoia in February 2025, attributing it to a campaign targeting ...

Threat actors with ties to China have been attributed to a novel campaign that compromised an ArcGIS system and turned it into a backdoor for more than a year. The activity, per ReliaQuest, is the ...