The hottest Operating Systems Substack posts right now

And their main takeaways
Category
Top Technology Topics

Writing an OS kernel in Odin

bumbread • 3 HN points • 28 Oct 23
🕹 Technology Programming Operating Systems
  1. Writing OS kernels in high-level languages like Odin requires adjustments due to assumptions made by these languages about the target system.
  2. Enabling SSE instructions in an OS kernel written in Odin is necessary, as some CPUs don't have SSE enabled by default.
  3. When compiling an OS kernel in Odin, specific compiler flags like -target:freestanding_amd64_sysv and -no-crt are important for the build process.

A journey into the Linux proc filesystem

The Personable Engineer • 3 HN points • 15 Mar 24
🕹 Technology Linux Processes Operating Systems Processes
  1. The "/proc" folder in Linux is a pseudo-filesystem that provides access to kernel data structures, allowing tools like ps and top to query data about processes and the kernel.
  2. By exploring the proc filesystem, you can gather useful information about processes, such as executable files, threads, environment variables, process owner, and more, even without tools like ps or top.
  3. The proc filesystem also offers insights into kernel information, such as the kernel version, configurations, and system uptime, providing a deeper understanding of the system's inner workings.

"Tf is a kernel?"

Aaron’s Blog • 6 implied HN points • 30 Apr 23
🕹 Technology Programming Software Operating Systems Computers
  1. When working with Python, it's better to create separate project environments and add dependencies as needed to avoid conflicts and keep things organized.
  2. Understanding the role of a kernel in a computer - it helps software interact with physical components like keyboard and display.
  3. Users may find it helpful to engage in conversational learning, like Q&A sessions, to grasp complex technical concepts more easily.

AI and Space Show A Need For New Operating Systems

Theology • 3 implied HN points • 10 Nov 23
🕹 Technology AI Space Operating Systems Artificial Intelligence
  1. Operating systems in AI and space industries need to be updated for future needs and challenges
  2. Decentralized and modular design, real-time capabilities, and open-source models are essential for new operating systems
  3. Integration of AI at a deeper level, resource optimization, security enhancements, and autonomous operation are key for future OS design
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La.i Linux vs Windows

Thái | Hacker | Kỹ sư tin tặc • 19 implied HN points • 04 Mar 08
🕹 Technology Operating Systems
  1. Preferencing Linux over Windows to avoid Microsoft's dependence doesn't eliminate dependency, just shifts it to Linux, though with a different dynamic.
  2. Linux offers remarkable benefits to humanity through open-source contributions, contrasting with views that overlook its value.
  3. Attempting to enlighten those unaware of Linux's advantages in the past may have been common but now may not be the focus, accepting that not everyone will appreciate its benefits.

Linux sẽ thất bại nếu bắt chước Windows

Thái | Hacker | Kỹ sư tin tặc • 19 implied HN points • 01 Mar 08
🕹 Technology Operating Systems Software Development
  1. Linux should embrace its differences and innovations instead of trying to mimic Windows to succeed.
  2. Linux and Windows have different strengths and weaknesses, like driving a car vs. a motorcycle.
  3. Promoting open-source software is crucial for enjoying the freedoms it brings and contributing to the development of the country.

The DOIT philosophy: How I'm avoiding Decision Fatigue and the Paralysis of Choice this year

Deus In Machina • 0 implied HN points • 14 Mar 24
🕹 Technology Productivity Programming Languages Operating Systems
  1. The DOIT philosophy involves Overcoming, Iterating, and Triumphing to combat Decision Fatigue and the Paralysis of Choice. By simplifying goals and focusing on simplicity, project completion can be more effective.
  2. Decision Fatigue refers to deteriorating decision quality after prolonged decision-making sessions, leading to reduced self-control and avoidance of decisions.
  3. Paralysis of Choice occurs when faced with too many options, causing feelings of overwhelm, anxiety, and potential regret over chosen alternatives, leading to satisfaction issues.

I’m a Mac, You’re a PC. There really is a difference.

Joshua Gans' Newsletter • 0 implied HN points • 15 Feb 13
🕹 Technology Computers Mobile Operating Systems Software Product Design
  1. The type of person you are, Mac or PC, really matters in relation to personal computing devices like tablets and laptops.
  2. Mac users tend to appreciate smooth animations, gestures, and a natural feel in their devices, while PC users value practical features like integrated keyboards and familiar software optimizations.
  3. Understanding and accepting that there are fundamental differences in consumer types helps in evaluating products better and catering to different market segments effectively.

Today’s Top 5 HN posts

Top 5 HN Posts of the day • 0 implied HN points • 08 Apr 24
🕹 Technology Coding Job Opportunities Operating Systems Music Streaming Engineering
  1. Today's Top 5 HN posts feature interesting tech news and discussions from HackerNews.
  2. Highlighted articles include topics like Gnome 46 Terminals, Spotify's track demonetization policy, and the re-implementation of PalmOS with PumpkinOS.
  3. Bonus job opportunities listed include ML engineer positions with Sieve, Full Stack Engineer positions with Bitmovin, and a Founding Engineer position with Greptile.

Today's Top 5 HN posts

Top 5 HN Posts of the day • 0 implied HN points • 03 Aug 22
🕹 Technology Programming Operating Systems Web Development
  1. The post shares the top 5 Hacker News posts of the day.
  2. The topics include using one big server, Airflow's problem, crimes with Python's pattern matching, a simple Unix-like teaching operating system called Xv6, and using Firecracker and Go for running short, untrusted code execution jobs.
  3. Readers can subscribe to the publication to receive new posts and support the author's work.

6/6 TBC Insider Digest

Tech Buzz China Insider • 0 implied HN points • 07 Jun 21
🕹 Technology Tech news China tech E-commerce Operating Systems Cloud Computing
  1. The 3-child rule in China and the crackdown on EdTech are linked to efforts to increase fertility by addressing the high cost of education.
  2. AiHuiShou's IPO brought attention to the secondhand market for consumer electronics, and showed the close ties with JD.
  3. Huawei's HarmonyOS 2.0 release aims to power a wide range of devices beyond smartphones, highlighting its adaptability across IoT products.

Công cụ giải mã WannaCry

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 18 May 17
🕹 Technology Security Software Operating Systems Cryptocurrency
  1. A simple idea was implemented to find decryption keys in memory, useful for recovering WannaCry-encrypted data without paying ransom.
  2. Decryption keys might still be accessible in memory on Windows XP machines infected with WannaCry that haven't been shut down since the infection occurred.
  3. If unable to recover decryption keys from memory, the alternative is to pay ransom in Bitcoin, negotiate with the attackers, or seek help to purchase Bitcoin for ransom payment.

Tấn công DDoS bằng PDF Spam

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 26 Jul 07
🕹 Technology Cybersecurity Networking Email Malware Operating Systems
  1. A client's server faced a DDoS attack through PDF spam, causing FPT Telecom's firewall to freeze due to high traffic.
  2. Investigating the server's services and analyzing log files helped determine the source of the attack - in this case, excessive traffic on SMTP and DNS ports.
  3. Disabling specific troublesome domains temporarily and monitoring traffic helped mitigate the DDoS attack effectively.

Vietkey Linux- một "hệ điều hành made in Việt Nam"?

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 07
🕹 Technology Linux Open Source Security Operating Systems Software Development
  1. Vietkey Linux is not an operating system, but a Linux distribution among many others worldwide.
  2. When developing a Linux distribution, it is crucial to comply with the GPL and other open-source licenses.
  3. Security updates play a vital role in maintaining the safety of a Linux distribution, which might be a challenge for smaller development teams like Vietkey Linux.

Seminar giới thiệu nhóm nghiên cứu Kernel ĐH Bách Khoa

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 22 Mar 07
🕹 Technology Operating Systems Open Source Networking Security
  1. Seminar introducing OS Group and Linux kernel research aims to attract students to participate and learn.
  2. The seminar covers topics like Linux kernel architecture, filesystems, processes, security, and building a Linux distro in just 10 minutes.
  3. The event promotes open participation and aims to bring open-source knowledge closer to students.

Phát đĩa Linux miễn phí nhân ngày hội Windows Vista

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 22 Mar 07
🕹 Technology Operating Systems Community Events Linux Open Source
  1. On March 22, 2007, amidst Microsoft's Windows Vista event in Vietnam, a group decided to distribute free Linux CDs and guides to promote Linux.
  2. The initiative involved distributing 300 packages containing Ubuntu Linux CDs and quickstart manuals in Vietnamese to promote Linux among students and developers.
  3. The community effort included financial and moral support, CD burning sessions, design needs, and upbeat Linux spirit.

Ubuntu: từ A đến Z

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 05 Mar 07
🕹 Technology Linux Operating Systems Tutorials
  1. The post provides a detailed introduction to Ubuntu, covering installation, configuration adjustments, and adding common software.
  2. The tutorial encourages considering Ubuntu as an alternative to Windows for a secure system without DRM restrictions, running even on older hardware, and with all software free of charge.
  3. The article aims to assist people willing to switch to Linux in setting up a Linux desktop that fully replaces their Windows desktop.

Chuyển từ Windows sang Ubuntu, những điều bạn nên biết

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 04 Mar 07
🕹 Technology Operating Systems Community Transition Support
  1. Joining the Ubuntu community means getting help from experienced users and feeling like part of an exclusive club that's open to everyone.
  2. Transitioning from Windows to Ubuntu may involve a learning curve and troubleshooting, but the community support can ease the process and lead to gaining more control over your PC.
  3. After switching to Ubuntu, you may miss the familiarity of Windows, but mastering Linux can empower you to perform impressive actions with your computer.

AI Needs No App Store

Sector 6 | The Newsletter of AIM • 0 implied HN points • 23 Apr 24
🕹 Technology AI Software Open Source Operating Systems
  1. Meta is open-sourcing its Meta Quest operating system, letting other companies create their own mixed reality devices. This is similar to how Google allows others to use Android for smartphones.
  2. Meta plans to open-source Llama 3, a move that aims to make AI independent from traditional app stores like Apple’s and Google’s.
  3. Zuckerberg believes AI shouldn't be controlled by big companies through app stores, which could limit innovation and access.

Operating Systems for Obsolete Laptops

Kartick’s Blog • 0 implied HN points • 09 Dec 24
🕹 Technology Operating Systems Laptops Software Hardware
  1. Buying a new laptop is the best solution for outdated devices. It gives you better hardware and support for years to come.
  2. Upgrading to a supported operating system, like a recent version of Linux, can help obsolete laptops work better, though some features may not be compatible.
  3. Using unsupported operating systems can lead to security issues and software problems. It's risky, especially for learning or important tasks.

Which Windows versions were #1?

Kartick’s Blog • 0 implied HN points • 05 Dec 24
🕹 Technology Software Operating Systems User Experience History Market Trends
  1. Windows versions like 95, XP, and 10 became very popular mainly because they offered a better user experience and stability compared to older versions.
  2. Many users were slow to upgrade, often sticking to older versions even when better options were available, showing how people can be resistant to change.
  3. Microsoft's investment in the NT family was important because it eventually led to more reliable and modern versions of Windows, helping them catch up to competitors like macOS.

Style PowerShell 5

Barn Lab • 0 implied HN points • 12 Jan 24
🕹 Technology Programming Operating Systems Software Tools
  1. PowerShell 7 is an updated version that runs alongside PowerShell 5, requiring configuration changes to make it default.
  2. Customize PowerShell by changing the font to add symbols and icons for a unique look.
  3. Create a startup script for PowerShell 5 by making a Microsoft.PowerShell_profile.ps1 file to add personalized ASCII banners and prompts.

Configuring Zsh to my liking

Reflective Software Engineering • 0 implied HN points • 01 Oct 22
🕹 Technology Operating Systems Installation Customization Plugins
  1. Configuring Zsh with Oh My Zsh and Powerline10k can add useful features like branch viewing, history searching, and better auto completion.
  2. The installation process involves setting Zsh as the default terminal, installing Oh My Zsh and Powerline10k, and configuring them.
  3. Additional plugins like Zsh autosuggestions and Autoswitch Python Virtualenv can enhance the Zsh experience further.

Berkeley’s Digital Legacy: The Evolution of BSD and Its Influence

Deus In Machina • 0 implied HN points • 10 Aug 23
🕹 Technology Operating Systems Software Development Computer History Open Source
  1. Berkeley Software Distribution (BSD) started as an enhanced version of Unix with extra patches and evolved distinctively from Unix with 3BSD release.
  2. BSD's 4BSD system integrated TCP/IP protocols, leading to the development of different BSD versions like Net/1 and FreeBSD.
  3. Following legal battles and subsequent developments, FreeBSD and NetBSD emerged as major BSD variants continuing the legacy of Unix with portable designs.