1. Fuzzy Finding with Emacs Instead of Fzf
Total comment counts : 6
Summary
The article discusses a command-line tool called fzf that allows users to filter long lists of output by selecting specific items. The author suggests using Emacs instead of fzf because it has better fuzzy finding capabilities and is already a commonly used text editor. The author provides a shell script called ezf that allows users to filter and select match candidates using Emacs. The script works by sending input to emacsclient, the client in the Emacs client-server duo, and returning the selected items. The script also includes command argument parsing and handles different completion tools such as completing-read and Helm.
Top 1 Comment Summary
The author of the article suggests that when working with large repositories at large companies using Vim or Emacs, most solutions struggle with performance. However, they have found that utilizing FZF can help alleviate this issue. They have attempted other solutions such as stock Telescope+neovim and Emacs+helm/ivy, but found them to be less effective in high-performance scenarios.
Top 2 Comment Summary
The article suggests an alternative to using fzf called fzf.el. It provides a wrapper for fzf and can be found at https://github.com/bling/fzf.el.
2. Is RISC-V ready for HPC? Evaluating the 64-core Sophon SG2042 RISC-V CPU
Total comment counts : 12
Summary
The article introduces arXivLabs, a framework that enables collaborators to create and share new features on the arXiv website. It emphasizes the importance of openness, community, excellence, and user data privacy, which are values that arXiv holds dear. The article also invites individuals and organizations to propose projects that will benefit the arXiv community. Finally, it mentions that users can sign up to receive status notifications via email or Slack.
Top 1 Comment Summary
The author questions the excitement around RISC-V, an open instruction set architecture (ISA). They argue that it does not offer additional freedoms to users and does not imply truly open hardware. The author believes that the enthusiasm is primarily due to Chinese companies wanting to avoid paying for ARM licenses. They also argue that even if a RISC-V CPU eventually matches x86-64 in performance and price, it would still be a worse deal due to inferior software support and the loss of x86’s backward compatibility. The potential advantage of lower power consumption through RISC-V is acknowledged, but the author suggests that the true impact of the ISA on power consumption is uncertain.
Top 2 Comment Summary
The article mentioned is a discussion on the Milk-V Pioneer workstation that utilizes a specific chip. The full content can be found at the provided link.
3. Trippy – A Network Diagnostic Tool
Total comment counts : 6
Summary
The article discusses Trippy, a networking tool that combines the functionality of traceroute and ping to assist with analyzing networking issues. It provides a table listing the available versions of Trippy and their corresponding release notes and documentation. The article also explains that Trippy typically requires elevated privileges due to the use of raw sockets, and provides three different methods to enable the required privileges on various platforms. It mentions that Trippy must be run with Administrator privileges on Windows. Additionally, it states that Trippy can be used in an unprivileged mode on certain platforms, such as macOS, but not on others like NetBSD, FreeBSD, and Windows. The article provides instructions on how to enable unprivileged mode and mentions that Linux support for this feature may be added in the future. The article includes various examples of how to use Trippy with different settings and parameters. It also mentions the ability to generate reports, perform DNS queries, and customize the color theme and key bindings. The article explains that Trippy can be configured either through command line arguments or a configuration file, and provides information on finding the configuration file location. Finally, it notes that Windows users must configure the Windows Defender firewall to allow incoming ICMP traffic when using Trippy.
Top 1 Comment Summary
The article is about Trippy, a modern, cross-platform, feature-rich alternative to MTR (network diagnostics tool) with a fancy TUI (text user interface). It is written in Rust and the author thanks for the post and mentions that they intended to do a “show HN” post. The GitHub link to Trippy is provided for more information.
Top 2 Comment Summary
The author of the article believes that it is not a wise decision to copy the per-hop loss indicator from mtr. They argue that relying on this measure can lead to inaccurate diagnosis of network problems. They suggest that the only loss that is truly important is the end-to-end loss.
4. Things I learned from teaching
Total comment counts : 23
Summary
The author recounts their experience teaching an undergraduate class on chess engines. They reflect on the challenges they faced, including the need to meet students where they are and design assignments that are both challenging and accessible. They also discuss the surprise popularity of the class and the varied skill levels of the students. The author concludes that the traditional lecture-based teaching model is not effective for fostering understanding and suggests the need for a different approach to education.
Top 1 Comment Summary
This article offers advice for young professors. The author emphasizes that students may not have the same level of interest or understanding as the professor. They suggest teaching to the middle of the class, taking into account that some students may be confused while others may be bored. The author also encourages professors to express their enthusiasm for the material and make personal connections with students. Lastly, they advise professors to decide to enjoy their time with the students.
Top 2 Comment Summary
The author used to work as a teacher in a bootcamp and their perspective on teaching has changed significantly. They believe there are only two essential aspects of teaching: allowing students to struggle and demonstrating how the struggle is worth it, as well as leveling with the students and sharing personal experiences of difficulty and what helped them. The author criticizes treating students like babies and emphasizes the importance of respect. They also mention that forced attendance is a negative sign of this lack of respect.
5. Cramming a tiny program into a tiny ELF file
Total comment counts : 7
Summary
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Top 1 Comment Summary
The author expresses surprise at seeing their own article on the front page. They invite readers to ask any questions about the article and suggest checking out the rest of tmp.0ut #3 for more interesting content. The article also includes a link to tmpout.sh/3 for further reading.
Top 2 Comment Summary
This article discusses the concept of reducing the size of executable files, using a specific example of creating the smallest Nintendo DS ROM. In 2006, members of the Nintendo DS emulation scene attempted to create a small ROM that would still have visible functionality on the system. The result was a 352-byte file containing two minimal executables for the ARM7 and ARM9 cores. The article states that no smaller .nds file has been observed thus far.
6. Audiobox: Meta’s new foundation research model for audio generation
Total comment counts : 11
Summary
Meta (formerly Facebook) has introduced Audiobox, a new AI model that advances generative AI for audio. Audiobox combines generation and editing capabilities for speech, sound effects, and soundscapes. It allows users to use natural language prompts to describe the sounds or speech they want to generate. The model also enables dual input of both voice prompts and text description prompts, offering greater controllability for voice restyling. Audiobox has been tested and shown to outperform previous models in terms of quality, relevance, and style similarity. Meta aims to lower the barrier of accessibility for audio creation with tools like Audiobox, making it easier for anyone to become an audio content creator. However, to ensure responsible use, Audiobox is being released under a research-only license to a limited number of hand-selected researchers and institutions. Collaboration with the research community is crucial to develop these innovations responsibly and address the known issues with AI.
Top 1 Comment Summary
The article discusses the potential of AI research leading to never-before-seen possibilities in role-playing games. It outlines the idea of games where players have complete narrative freedom and can use their actual voice to interact with in-game characters who respond in a realistic and immersive manner. The author expresses excitement about this prospect but also voices concerns about a world where trust is limited to people physically present, making the world of information smaller.
Top 2 Comment Summary
This article discusses a new development in AI audio technology. The author mentions that while it is exciting, they are disappointed that the model being discussed is not open source. They also highlight that a similar project by Alibaba was released earlier and is open source. The author asks for suggestions on how to integrate this technology into their tech stack using an internal API and wonders if altering the model weights is necessary for commercial reuse.
7. Linux: Ext4 data corruption in 6.1.64-1
Total comment counts : 18
Summary
This article is a bug report regarding the src:linux package in Debian. The report was filed by Salvatore Bonaccorso and contains information on the severity, tags, version numbers, and the person responsible for fixing the bug. The bug report has been acknowledged by the developer.
Top 1 Comment Summary
There are two fixes posted in the upstream Linux kernel, one for direct io and the other for ext4. The ext4 fix was marked for backport to stable, but both fixes depend on each other to work properly. The issue affects version 6.1.64 of Debian, but not version 6.1.55. Even though version 6.1.64 is marked as “stable” in Debian, attempting to install it from official mirrors will result in error 403. The fix for this issue is included in version 6.1.66, which will be available soon. The issue is not specific to Debian and was present in the official upstream release.
Top 2 Comment Summary
The article discusses a non-serious form of data loss and clarifies that it mostly affects cat videos.
8. AST-grep(sg) is a CLI tool for code structural search, lint, and rewriting
Total comment counts : 20
Summary
The article introduces ast-grep, a CLI tool written in Rust for code structural search, linting, and rewriting. It uses abstract syntax tree (AST)-based matching instead of text matching. Users can write patterns similar to ordinary code and it will match code with the same syntactical structure. The tool can be installed from various package managers or built from source. ast-grep’s core algorithm is based on tree-sitter’s abstract syntax tree and it allows for lightweight static analysis and code manipulation. Its features include an intuitive pattern for finding and replacing AST, a jQuery-like API for AST traversal and manipulation, YAML configuration for creating new linting rules or code modification, and multiple core utilization. The tool aims to make abstract syntax tree manipulation more accessible and convenient.
Top 1 Comment Summary
The author shares a tool called grep-ast that allows users to grep a regex in code and provides matches in an abstract syntax tree (AST) aware manner. The tool utilizes the AST of the source code to show how the matching lines fit into the code structure and displays relevant code from different layers of the AST. It is particularly useful for understanding how functions, classes, and variables are used in complex codebases. The article includes a code snippet demonstrating the tool’s functionality in searching the Django repository.
Top 2 Comment Summary
The article discusses a recently developed tool called “AST-grep” that is used for finding code patterns using an Abstract Syntax Tree (AST). The author mentions that they had previously created a similar tool called “v1” which focused on editing code in-place. They provide a link to their tool on GitHub. The author expresses their surprise at not finding “AST-grep” earlier and praises its capabilities, particularly regarding variable syntax.
9. Trust-based moderation systems
Total comment counts : 13
Summary
The article discusses the problem of removing malicious participants from a chat and presents a decentralized solution called TrustNet. In a centralized context, a moderator can easily remove a malicious participant for all others, but in a distributed context, this becomes more complex. The article suggests a system where participants can choose who moderates on their behalf, thus avoiding the issues associated with a single moderator. TrustNet is a system that allows peers to assign trust values to each other. These trust values are transitive, meaning they can be inherited by others. The system uses trust areas to group related trust assignments. Trust is only transitive within a trust area. By following outgoing trust assignments for a particular peer and their trusted peers, a trust network is created. This network can be used to automatically block malicious peers if others discover that they have been blocked by someone they trust. TrustNet aims to distribute the responsibility of moderation and provide flexibility in managing trust.
Top 1 Comment Summary
The author of the article is discussing Appleseed, an algorithm and trust metric proposed by Cai-Nicolas Ziegler and Georg Lausen from the University of Freiburg. Appleseed uses a weighted graph structure and is designed to find the most trusted peers. The algorithm works by releasing energy at the trust source and letting it flow through the trust relations, with more energy remaining with the more trusted peers. Once converged, Appleseed produces a ranking of the most trusted peers. The author questions how robust the mechanism is in the face of deliberate attempts to game the system and become the most trusted.
Top 2 Comment Summary
The article questions the idea of transitivity of trust and expresses skepticism towards systems that aim to relieve individuals from managing individual trust relations by creating leaders/deciders and passive followers. The author also doubts the feasibility of one-size-fits-all solutions for trust tracking, as some applications require slow and iterative processes while others demand critical and immediate responses. The author speculates that the discussed system is designed for social media chat.
10. Stealthy Linux rootkit found in the wild after going undetected for 2 years
Total comment counts : 10
Summary
Researchers from security firm Group-IB have uncovered a stealthy and multifunctional Linux malware called “Krasue” that has been infecting telecommunications companies for the past two years. The malware, named after a spirit in Southeast Asian folklore, primarily targets victims in Thailand and poses a severe risk to critical systems and sensitive data. Krasue utilizes rootkit techniques to conceal its presence on the infected system. Its infection vectors are still unknown, but possible methods include vulnerability exploitation, credential theft, and being installed as a trojan disguised as legitimate software. Krasue incorporates three open source rootkit packages that allow it to hide directories, files, and processes from the operating system. The malware also intercepts the kill() system call to evade termination attempts.
Top 1 Comment Summary
The article discusses the Krasue, a Linux Remote Access Trojan that primarily targets organizations in Thailand. The author also notes that it is unusual to see a year after 1999 denoted with just two digits without an Apostrophe.
Top 2 Comment Summary
The author recalls a statement made by a three-letter agency person on a podcast, suggesting that desktop Linux users are less likely to use anti-virus software and may be an easier target for nation-state level actors. The author seeks more information on whether a typical desktop Linux installation is vulnerable to attacks from such actors.