Grafana 11.2 release: new updates for data sources, visualizations, transformations, and more (11 minute read)
Grafana 11.2 introduces new data sources, enhanced visualizations, transformations, and expanded capabilities in alerting, authorization, and authentication. Grafana Cloud's new migration assistant, currently in public preview, supports users transitioning from on-premises to the cloud.
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New unique package (5 minute read)
Go 1.23 introduces the unique package, designed to deduplicate and canonicalize values of any comparable type, improving memory management and performance. It uses Handle[T] for managing canonical values efficiently, automatically cleaning up when they're no longer needed. This makes operations like IP address management more memory-efficient and comparisons faster.
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Switch off Virtual Machines on a schedule using an Azure Tag (6 minute read)
Controlling the costs of running virtual machines (VMs) in Azure can be difficult, particularly when VMs remain active outside of business hours. A practical approach to address this is by scheduling automatic shutdowns with the help of Azure tags through a PowerShell script that leverages an Azure tag to set and implement shutdown schedules for your VMs.
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eBPF Security Observability: Top Tetragon Use Cases (7 minute read)
Tetragon, an eBPF-based security observability tool, offers deep visibility into runtime events and allows for rapid deployment of security policies with minimal overhead. By integrating Kubernetes awareness and kernel-level insights, Tetragon helps security teams monitor, audit, and enforce runtime controls efficiently, supporting compliance and protecting dynamic environments.
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Firewall rules: not as secure as you think (8 minute read)
Firewall rules can be bypassed using techniques like proxies and reverse tunnels, allowing remote software management in restricted networks. This article discusses techniques, including using forward proxies, TLS-terminating reverse proxies, and tools like corkscrew, to enable SSH access over HTTPS connections, even with minimal firewall permissions. These methods are detailed in a repository that provides practical guides for implementing them to access internal hosts behind strict firewalls.
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Novops (GitHub Repo)
Novops is a powerful, versatile, and secure open-source tool that simplifies secret and configuration management across development environments, applications, and CI pipelines. It supports multiple platforms and integrates with various secret storage solutions.
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Crawlee (GitHub Repo)
Crawlee is a powerful web scraping and browser automation library that simplifies the process of building reliable, human-like scrapers for efficient data collection and web crawling.
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The queueing shell game (5 minute read)
Queues are unavoidable in systems where more entities need access to a resource than can be served simultaneously. Even if you try to eliminate queues from your architecture, you'll only end up shifting them elsewhere, such as into network stacks, web servers, load balancers, or even in the minds of your users.
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How we sped up Notion in the browser with WASM SQLite (10 minute read)
Notion enhanced its web app's performance by integrating SQLite caching with WebAssembly, reducing page navigation times by up to 33% in regions like India. Using Web Workers and the Origin Private File System, its team implemented a SharedWorker architecture to manage SQLite access across multiple tabs, solving concurrency issues and avoiding browser limitations related to cross-origin isolation. This approach led to significant improvements without data corruption or dependency on specific browser features.
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Kunal Desai & Martin Hauskrecht
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