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6 sudo tricks every Linux user needs to know - plus 1 just for fun

zdnet.com Jack Wallen 2025-10-06 13:00:16

MoleQL/iStock/Getty Images Plus via Getty Images Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways Sudo is a powerful but imperfect Linux tool. These tips can help make using sudo easier and safer. Always use caution when monkeying with sudo. I started using Linux prior to the advent of sudo. Back then, any time I needed to run admin tasks, I had to first su to the root user, run the task, and then exit the root user. Because root was enabled, some users would s

Topics: access like sudo user users

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A Linux version of the Procmon Sysinternals tool

news.ycombinator.com Unknown 2025-10-22 04:43:05

Process Monitor for Linux (Preview) Process Monitor (Procmon) is a Linux reimagining of the classic Procmon tool from the Sysinternals suite of tools for Windows. Procmon provides a convenient and efficient way for Linux developers to trace the syscall activity on the system. Installation & Usage Requirements OS: Ubuntu 18.04 lts cmake >= 3.14 (build-time only) >= 3.14 (build-time only) libsqlite3-dev >= 3.22 (build-time only) Install Procmon Please see installation instructions here. B

Topics: build following process procmon sudo

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WiFi-3D-Fusion – Real-time 3D motion sensing with Wi-Fi

news.ycombinator.com Unknown 2025-10-31 05:26:42

Live local Wi-Fi sensing with CSI: real-time motion detection + visualization, with optional bridges to: Person-in-WiFi-3D (multi-person 3D pose from Wi-Fi) [CVPR 2024]. (multi-person from Wi-Fi) [CVPR 2024]. NeRF² (neural RF radiance fields). (neural RF radiance fields). 3D Wi-Fi Scanner (RSSI volumetric mapping). This monorepo is production-oriented: robust CSI ingestion from local Wi-Fi (ESP32-CSI via UDP, or Nexmon via tcpdump + csiread ), a realtime movement detector, and a 3D viewer.

Topics: 3d csi monitor sudo time

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Optimizing Your Debian 13 Desktop

news.ycombinator.com Unknown 2025-11-21 08:42:57

Debian 13 was released last week. This article offers some tips to help you get the most out of your new Debian desktop. Enable Additional Repository Areas Debian’s package repositories are organised into separate areas (or components) like main contrib non-free non-free-firmware , etc. non-free contains packages whose licences are not FOSS contains packages whose licences are not FOSS contrib contains dependencies of non-free packages contrib and non-free are not enabled on a Debian system si

Topics: debian dns free non sudo

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LinkedIn’s Mini Sudoku is a clever twist on the classic puzzle

theverge.com Jay Peters 2025-11-22 18:59:20

is a news editor covering technology, gaming, and more. He joined The Verge in 2019 after nearly two years at Techmeme. I love sudoku, so I just couldn’t resist checking out LinkedIn’s new Mini Sudoku game that it launched this week. Two puzzles in, I can already tell you that I like it a lot. The rules in Mini Sudoku are quite similar to regular sudoku: you need to fill in all of the blank spots of a puzzle with a number, but a number can’t repeat in a line, row, or box. But the twist with Mi

Topics: linkedin mini puzzle puzzles sudoku

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LinkedIn launches Mini Sudoku, pushing deeper into casual games that keep users coming back

cnbc.com Jordan Novet 2025-11-26 05:00:01

Nikoli's president, Yoshinao Anpuku, poses for a photo at Nikoli headquarters in Tokyo on March 19, 2025. LinkedIn worked with Nikoli and Sudoku champion Thomas Snyder to launch its Mini Sudoku game. LinkedIn on Tuesday released a new game for the professional social networking app's 1.2 billion users. It's a miniature version of Sudoku, an old game with a rich history. The new Mini Sudoku is LinkedIn's sixth game. It's scaled down from the traditional 9-by-9 grid and meant to be completed in

Topics: billion game games linkedin sudoku

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Yes, you need a firewall on Linux - here's why and which to use

zdnet.com Jack Wallen 2025-12-12 05:18:36

JuSun/Getty ZDNET's key takeaways Linux is highly secure, but you should still have a firewall. You should know if your ISP's hardware (gateway) uses a firewall. One of the easiest Linux firewalls is UFW and its GUI sidekick, GUFW. I've been using Linux for nearly 30 years. Over those years, I've experienced only one security issue (a rootkit on a server I inherited). The reason for that is Linux's heightened security. Out of the box, it includes a tight permissions system and security mech

Topics: firewall linux machine sudo ufw

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How to Secure a Linux Server

news.ycombinator.com Unknown 2025-12-15 16:14:37

How To Secure A Linux Server An evolving how-to guide for securing a Linux server that, hopefully, also teaches you a little about security and why it matters. Table of Contents (TOC made with nGitHubTOC) Introduction Guide Objective This guides purpose is to teach you how to secure a Linux server. There are a lot of things you can do to secure a Linux server and this guide will attempt to cover as many of them as possible. More topics/material will be added as I learn, or as folks contri

Topics: allow file server ssh sudo

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Hierarchical Reasoning Model – 1k training samples SoTA reasoning v/s CoT

news.ycombinator.com Unknown 2025-12-16 02:26:20

Hierarchical Reasoning Model Reasoning, the process of devising and executing complex goal-oriented action sequences, remains a critical challenge in AI. Current large language models (LLMs) primarily employ Chain-of-Thought (CoT) techniques, which suffer from brittle task decomposition, extensive data requirements, and high latency. Inspired by the hierarchical and multi-timescale processing in the human brain, we propose the Hierarchical Reasoning Model (HRM), a novel recurrent architecture t

Topics: 1000 data dataset py sudoku

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Optimi-Zi(n)g Sudoku-Solving

news.ycombinator.com Olivier'S Log 2025-12-19 23:47:35

Optimi-Zi(n)g Sudoku-Solving 26 July 2025 , in Olivier's log One of the first program that I wrote in Zig (in September 2023) was a Sudoku-Solver, implementing the dancing-links (DLX) algorithm. I decided to revisit this program recently to experiment with benchmarking and try to increase its speed. Dancing-Links (DLX) algorithm applied to sudoku The Dancing-Links algorithm is an efficient backtracking algorithm to solve "exact-cover" problems, by using a matrix of 0 and 1s. Dancing Links o

Topics: cells constraints line lines sudoku

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Security Bite: Down the rabbit hole of neat, lesser-known Terminal commands (Pt. 2)

9to5mac.com Arin Waichulis 2025-12-25 00:09:01

9to5Mac Security Bite is exclusively brought to you by Mosyle, the only Apple Unified Platform. Making Apple devices work-ready and enterprise-safe is all we do. Our unique integrated approach to management and security combines state-of-the-art Apple-specific security solutions for fully automated Hardening & Compliance, Next Generation EDR, AI-powered Zero Trust, and exclusive Privilege Management with the most powerful and modern Apple MDM on the market. The result is a totally automated Appl

Topics: apple file mac sudo terminal

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Here's Where to Find Sudoku on Your iPhone Now

cnet.com See Full Bio 2025-12-29 05:00:04

Apple introduced its Emoji Game on July 17, otherwise known as World Emoji Day. But when Apple released iOS 18.2 in December, that update brought the popular puzzle game Sudoku to the News app. Everyone can try a few sudoku puzzles free but Apple News Plus subscribers can play new puzzles every day. An Apple News Plus subscription is $13 a month and gives you access to daily sudoku and other puzzles, like Quartiles, as well as stories from publications like the New Yorker and the Wall Street Jo

Topics: apple puzzle puzzles sudoku tap

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Show HN: TheProtector – Linux Bash script for the paranoid admin on a budget

news.ycombinator.com Unknown 2026-01-01 17:37:48

theProtector Linux Bash Script for the Paranoid Admin on a Budget - real-time monitoring and active threat response TheProtector Linux security tool for the paranoid on a budget - not perfect but better than most TheProtector is comprehensive security monitoring for Linux systems. Built for DEfense Only What It Does TheProtector monitors your Linux system in real-time and actively responds to threats: Real-time Monitoring: Process execution and behavior analysis Network connections and

Topics: monitoring sh sudo theprotector tools

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Exposing a web service with Cloudflare Tunnel (2022)

news.ycombinator.com Erisa A 2026-01-18 11:08:34

There are lots of ways to host a web service. You might want to rent a VPS, Dedicated Server, or embrace full serverless and write your application for a service like Cloudflare Workers You might want to use Docker, k8s, LXD, or any other manner of deploying your services. You might have a complex setup to proxy and serve traffic through your IP. But sometimes you might not have it all figured out. You might want to run your service in your home on that one old laptop you have lying around,

Topics: cloudflare cloudflared service sudo tunnel

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Your iPhone Has Sudoku, and Here's Where to Find It

cnet.com See Full Bio 2026-01-22 10:00:08

Sudoku is a popular puzzle game that some studies have shown could help the cognitive performance of people over 50 years old. And when Apple released iOS 18.2 in December, that update brought those puzzle games to the News app. Everyone can try a few sudoku puzzles for free, but Apple News Plus subscribers can play new puzzles every day. An Apple News Plus subscription is $13 a month and gives you access to daily sudoku and other puzzles, like Quartiles, as well as stories from publications li

Topics: ios puzzle puzzles sudoku tap

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EBAF – eBPF Based Ad Firewall

news.ycombinator.com Unknown 2026-02-09 08:59:26

eBAF - eBPF Based Ad Firewall "You Wouldn't Download an Ad" But You Would Block One! Spotify has built an empire on a simple formula: monetize your attention, underpay the artists, and sell you back your own time as a premium feature. In their world, your listening experience is not yours. It’s a carefully curated marketplace — your ears are the product, your patience is the currency. They like to call it a "free" tier. But let’s be honest: it’s not free if you’re paying with your time. Mea

Topics: ebaf install make spotify sudo

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Howdy – Windows Hello style facial authentication for Linux

news.ycombinator.com Unknown 2026-02-21 11:34:36

Howdy provides Windows Hello™ style authentication for Linux. Use your built-in IR emitters and camera in combination with facial recognition to prove who you are. Using the central authentication system (PAM), this works everywhere you would otherwise need your password: Login, lock screen, sudo, su, etc. Installation Howdy is currently available and packaged for Debian/Ubuntu, Arch Linux, Fedora and openSUSE. If you’re interested in packaging Howdy for your distro, don’t hesitate to open an

Topics: build howdy install open sudo

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Kali Linux gets a UI refresh, new tools, and an updated car hacking toolset

zdnet.com Jack Wallen 2026-03-14 21:11:28

Kali Linux can be daunting because of all the challenging tools. Jack Wallen\ZDNET Kali Linux is a widely respected Linux distribution geared toward testing and auditing systems and networks, and the latest release has added more hacking tools, updates, and even a UI refresh. First, the CAN Arsenal was renamed CARsenal, so its purpose is obvious. Not only has CARsenal received a UI update, but there are some new tools added into the mix, such as hlcand (a modified version of slcand for ELM327

Topics: kali linux new sudo tools

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Latest Tech News

6 sudo tricks every Linux user needs to know - plus 1 just for fun

A Linux version of the Procmon Sysinternals tool

WiFi-3D-Fusion – Real-time 3D motion sensing with Wi-Fi

Optimizing Your Debian 13 Desktop

LinkedIn’s Mini Sudoku is a clever twist on the classic puzzle

LinkedIn launches Mini Sudoku, pushing deeper into casual games that keep users coming back

Yes, you need a firewall on Linux - here's why and which to use

How to Secure a Linux Server

Hierarchical Reasoning Model – 1k training samples SoTA reasoning v/s CoT

Optimi-Zi(n)g Sudoku-Solving

Security Bite: Down the rabbit hole of neat, lesser-known Terminal commands (Pt. 2)

Here's Where to Find Sudoku on Your iPhone Now

Show HN: TheProtector – Linux Bash script for the paranoid admin on a budget

Exposing a web service with Cloudflare Tunnel (2022)

Your iPhone Has Sudoku, and Here's Where to Find It

EBAF – eBPF Based Ad Firewall

Howdy – Windows Hello style facial authentication for Linux

Kali Linux gets a UI refresh, new tools, and an updated car hacking toolset

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