TL;DR summary of stories on the internet
The author wishes they had known about port forwarding and tunneling earlier, and now shares experiences and tips on various topics like use cases, configuration, SSH jumphosts, TCP traffic forwarding, and limitations. The guide covers encrypting insecure connections, troubleshooting firewalls/content filters, accessing internal servers through a jumphost, and exposing local ports to the internet. Surprisingly, […]
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As an open-source developer who frequently receives notifications from GitHub, I recently encountered a clever attack where an impersonator disguised as the GitHub Security Team created malware-infected GitHub issues. The attacker controlled the email content, making it difficult to discern its legitimacy. Clicking on the link in the email would lead to a malware download […]
VMware Tanzu division is ending the Pivotal Tracker offering on April 30, 2025. Existing customers can use it until then, with the option to export data before the sunset date. All account types are affected, and past invoices will remain available. No new accounts can be created, but existing users can still be invited. Make […]
Harvie’s CNC Simulator is a popular in-browser g-code simulator, with 47 stars and 138 forks on GitHub. Originally part of the JSCut CAM package, it was modified for offline use by Tomas Mudrunka in 2024. The simulator allows users to load g-code from a file, pass settings and g-code via URL, and supports arcs. It […]
TL;DR: The JVM exports statistics in a memory-mapped file in /tmp, causing long pauses during garbage collection on Linux due to blocking disk writes. Adding -XX:+PerfDisableSharedMem JVM flag can reduce pause latency, although it breaks tools like jstat. The root cause is rare blocking of memory writes due to Linux kernel behavior. A workaround is […]
Selectable is a game-changer for accessing your Postgres database on the go. With a sleek mobile-optimized interface, you can effortlessly write and execute complex SQL queries without any hassle. This app brings the power of SQL right to your fingertips, allowing you to easily manage and analyze your data from anywhere. Get ready to revolutionize […]
Researchers from Delft University of Technology successfully manipulated the atomic nucleus of a single titanium atom, causing it to interact with an electron in the outer shell. This groundbreaking research, published in Nature Communications, holds promise for storing quantum information securely within the nucleus. The team discovered that the nucleus’ spin, or magnetism, can be […]
Summary: Sidekick is a new tool that streamlines the process of hosting side projects on a VPS, providing a simple and affordable solution for production-ready deployment. Key features include one-command VPS setup, zero downtime deployment, SSL certs, and integration with SOPS for secure encryption. Users can deploy any application from a dockerfile, connect domains, and […]
This post showcases intricate diatom arrangements, single-celled algae with glass shells that refract light beautifully under a microscope. These arrangements come in various shapes like triangles, circles, stars, and more, fascinating enthusiasts since the Victorian era. The meticulous process of collecting, cleaning, and arranging these tiny artworks can take days or weeks. Klaus Kemp, a […]
High-hazard activities depend on rules and procedures designed by system experts to ensure safety. However, gaps exist between planned work and actual work, requiring frontline workers to develop workarounds. Drift to danger, identified by researcher Jens Rasmussen, highlights the migration of organizations toward accidents due to cost pressures and a competitive environment. Major accidents, such […]