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canonical

Apache Spark security: start with a solid foundation

Jun 10, 2025 By Giulia Lanzafame In Canonical
Everyone agrees security matters – yet when it comes to big data analytics with Apache Spark, it’s not just another checkbox. Spark’s open source Java architecture introduces special security concerns that, if neglected, can quietly reveal sensitive information and interrupt vital functions.
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last9

A Complete Guide to Linux Log File Locations and Their Usage

Jun 9, 2025 By Anjali Udasi In Last9
Linux log files are text-based records that capture system events, application activities, and user actions. They're stored primarily in the /var/log directory and provide essential information for debugging issues, monitoring system health, and maintaining security. This guide covers the most important Linux log files and a few detailed techniques for reading and analyzing them.
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Auto-Instrument Everything with eBPF: Grafana Beyla + OpenTelemetry in Action | Homelabs

Jun 9, 2025 By Grafana In Grafana
Grafana Beyla is a powerful eBPF-based auto-instrumentation tool for application and network observability. In this session, see how Beyla captures RED metrics and traces with zero code changes, and how it fits into the OpenTelemetry ecosystem. Perfect session for SREs, devs, and home labbers alike.
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canonical

What if your container images were security-maintained at the source?

Jun 5, 2025 By Rawand Benour In Canonical
Software supply chain security has become a top concern for developers, DevOps engineers, and IT leaders. High-profile breaches and dependency compromises have shown that open source components can introduce risk if not properly vetted and maintained. Although containerization has become commonplace in contemporary development and deployment, it can have drawbacks in terms of reproducibility and security.
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Fleet management with Landscape for Ubuntu Core

Jun 4, 2025 By Canonical Ubuntu In Canonical
Shipping your Ubuntu Core IoT device is just the beginning, managing it at scale is where the real challenge begins. In this session, Michael Croft-White (Engineering Director at Canonical) walks through how Landscape, Canonical’s fleet management tool, helps you keep devices updated, secure, and properly configured throughout their lifecycle.
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last9

How Auditd Logs Help Secure Linux Environments

May 29, 2025 By Anjali Udasi In Last9
If you manage a Linux server and notice something unusual, auditd logs can help you track exactly what’s happening. This built-in audit system records who accessed the system and what actions they performed. In this guide, we’ll cover setting up auditd, reading the logs, and using them to detect potential security issues early.
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What is different between an application based instance and an image based instance?

May 27, 2025 By Canonical Ubuntu In Canonical
In this video, the Anbox team demonstrates the differences between an Anbox Cloud instance created based on an application and an instance that is based on an image. Time codes: What is Anbox Cloud? Anbox Cloud lets you run virtualized Android environments securely, at any scale, to any device letting you focus on your use case. Run Android in system containers, not emulators, on AWS, OCI, Azure, GCP or your private cloud with ultra low streaming latency.
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