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ç¬¬798å›žã€€Ubuntuã®ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ã‚’æ”¯ãˆã‚‹AppArmorå…¥é–€ | gihyo.jp
Ubuntuã§ã¯ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£å¯¾ç–ã®ä¸€ç’°ã¨ã—ã¦AppArmorã‚’æŽ¡ç”¨ã—ã¦ã„ã¾ã™ã€‚AppArmorã‚’ä½¿ãˆã°ã€ä»»æ„ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã«å¯¾ã—ã¦ã€æ„å›³ã—ãªã„ãƒ•ã‚¡ã‚¤ãƒ«ã‚„ãƒ‡ãƒã‚¤ã‚¹ã®ã‚¢ã‚¯ã‚»ã‚¹ã‚’é˜»å®³ã—ãŸã‚Šã€ã‚µãƒ–ãƒ—ãƒã‚»ã‚¹ã«å¯¾ã™ã‚‹ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£åˆ¶ç´„ã‚’ã‹ã‘ãŸã‚Šã§ãã¾ã™ã€‚ä»Šå›žã¯ã‚ã¾ã‚Šæ„è˜ã™ã‚‹ã“ã¨ã®ãªã„ã‚‚ã®ã®ã€çŸ¥ã£ã¦ãŠãã¨ã„ã¤ã‹å½¹ã«ç«‹ã¤ã‹ã‚‚ã—ã‚Œãªã„ã€å®Ÿéš›ã«å½¹ã«ç«‹ã¤æ™‚ã¯ã‚ã¾ã‚Šæ¥ã¦ã»ã—ããªã„AppArmorã«ã¤ã„ã¦ç´¹ä»‹ã—ã¾ã—ã‚‡ã†ã€‚ AppArmorã¨MACã¨LSMã¨ ã€ŒAppArmorã€ã¯ã€Œåå‰ãƒ™ãƒ¼ã‚¹ã®å¼·åˆ¶ã‚¢ã‚¯ã‚»ã‚¹åˆ¶å¾¡ã§ã€LSMã‚’ç”¨ã„ã¦å®Ÿè£…ã•ã‚Œã¦ã„ã‚‹ä»•çµ„ã¿ã€ã¨ç´¹ä»‹ã•ã‚Œã‚‹ã“ã¨ãŒã‚ã‚Šã¾ã™ã€‚ã“ã‚Œã¯ã©ã†ã„ã†æ„å‘³ã§ã—ã‚‡ã†ã‹ã€‚ ã¾ãšã¯AppArmorã®ç‰¹å¾´ã¨ãªã‚‹ã€Œåå‰ãƒ™ãƒ¼ã‚¹ï¼ˆã‚‚ã—ãã¯ãƒ‘ã‚¹åãƒ™ãƒ¼ã‚¹ï¼‰ã€ã«ã¤ã„ã¦ã§ã™ãŒã€ã“ã‚Œã¯ã€Œã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£è¨å®šã‚’å¯¾è±¡ã¨ãªã‚‹ãƒ•ã‚¡ã‚¤ãƒ«ãƒ‘ã‚¹ã‚’å…ƒã«è¨å®šã™ã‚‹ã€ã“ã¨ã‚’æ„å‘³ã—ã¾ã™ã€‚ã¤ã¾ã‚Šãƒ•ã‚¡ã‚¤ãƒ«ãƒ‘ã‚¹ã”ã¨ã«ã€ä½•ã‚’è¨±å¯ã—ä½•ã‚’è¨±å¯ã—
efcl 2024/02/02
Ubuntuã®AppArmorã®ä»•çµ„ã¿ã«ã¤ã„ã¦

linux

security

article
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- The standard for customising cloud instances
Cloud images are operating system templates and every instance starts out as an identical clone of every other instance. It is the user data that gives every cloud instance its personality and cloud-init is the tool that applies user data to your instances automatically. Use cloud-init to configure: Setting a default locale Setting the hostname Generating and setting up SSH private keys Setting up
efcl 2024/02/02
ã‚¯ãƒ©ã‚¦ãƒ‰ã®Linux OSã®åˆæœŸè¨å®š/ãƒ—ãƒãƒ“ã‚¸ãƒ§ãƒ³å…·ã‚’ã™ã‚‹ãƒ„ãƒ¼ãƒ«ã€‚ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã‚’ç’°å¢ƒè¨å®šã‚’è¨å®šãƒ•ã‚¡ã‚¤ãƒ«ã§ç®¡ç†ã§ãã‚‹

linux

Docker
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GitHub - hrw/syscalls-table: Information about Linux system calls on different architectures
efcl 2024/01/25
Linuxã®syscallãŒåˆ©ç”¨ã§ãã‚‹ã‹ã‚’ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£åˆ¥ã«ã¾ã¨ã‚ãŸã‚‚ã®

linux

API
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Tracing 101 - Perfetto Tracing Docs
This page provides a birds-eye view of performance analysis. The aim is to orient people who have no idea what "tracing" is. Introduction to...PerformancePerformance analysis is concerned with making software run better. The definition of better varies widely and depends on the situation. Examples include: performing the same work using fewer resources (CPU, memory, network, battery, etc.) increas
efcl 2023/12/29
Android, Linux and Chrome ã®ãƒˆãƒ¬ãƒ¼ã‚¹ãƒ‡ãƒ¼ã‚¿ã«ã¤ã„ã¦ã€‚ãƒ“ã‚¸ãƒ¥ã‚¢ãƒ©ã‚¤ã‚ºã€ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒ«

Chrome

linux

Android

performance
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The Kernel Report - Jonathan Corbet, LWN.net
efcl 2023/11/07
Linuxã®LTSã®ãƒ©ã‚¤ãƒ³ã‚’6ã‹ã‚‰3ã¤ã«æ¸›ã‚‰ã™è©±ã€‚ Rustã‚µãƒãƒ¼ãƒˆã«ã¤ã„ã¦

linux

Conference

video
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GitHub - sverrejoh/rclonefile: The macOS API for creating copy on write clones of files
efcl 2023/10/09
reflinks/clonefileã®native addonã€‚ Linux/btrfsã€macOS/APFSã€Windows/Dev Drive(ReFS)

nodejs

windows

mac

linux

library
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Sandboxing and Workload Isolation
Sandboxing and Workload Isolation Author Name Thomas Ptacek @tqbf @tqbf Workload isolation makes it harder for a vulnerability in one service to compromise every other part of the platform. It has a long history going back to 1990s qmail, and we generally agree that itâ€™s a good, useful thing. Despite a plethora of isolation options, in the time I spent consulting for techno logy companies I learned
efcl 2023/07/20
ã‚µãƒ³ãƒ‰ãƒœãƒƒã‚¯ã‚¹ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ã®æ´å²ã€‚ chrootã€ç‰¹æ¨©åˆ†é›¢ã€Dockerã¨AppArmorã€‚ Googleã‚„Cloudflareã®andboxã®å®Ÿè£…ã€‚ gVisorã®ã‚ˆã†ãªãƒ¦ãƒ¼ã‚¶ãƒ¼ãƒ©ãƒ³ãƒ‰ã§ã®ã‚¨ãƒŸãƒ¥ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã€Firecrackerã®VMMãªã©ã«ã¤ã„ã¦

linux

security

history
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O'Reilly book: Learning eBPF by Liz Rice
Learning eBPFThe O'Reilly book by Liz Rice is now available for download! Following the Oâ€™Reilly Report "What is eBPF?" written by Liz Rice, Isovalent brings you the in-depth Oâ€™Reilly book that enables learning eBPF. This book not only helps with a primer on the importance of eBPF but also helps you run your first eBPF program with a â€œHello Worldâ€ application. What is eBPF? With this revolutionary
efcl 2023/03/21
Learning eBPFãŒç„¡æ–™ã§ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã§ãã‚‹ã‚ˆã†ã«ãªã£ãŸ

book

linux
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Release v1.0.0 Â· containerd/nerdctl
efcl 2022/10/26
containerdå‘ã‘ã®docker CLIäº’æ›ãƒ„ãƒ¼ãƒ«ã®nerdctl 1.0.0ãƒªãƒªãƒ¼ã‚¹

Docker

linux

macOS
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How fast are Linux pipes anyway?
In this post, we will explore how Unix pipes are implemented in Linux by iteratively optimizing a test program that writes and reads data through a pipe.1 We will begin with a simple program with a throughput of around 3.5GiB/s, and improve its performance twentyfold. The improvements will be informed by profiling the program using Linuxâ€™s perf tooling.2 The code is available on GitHub. The post w
efcl 2022/06/11
Linuxã®pipeå‡¦ç†ã«ã¤ã„ã¦

linux

performance
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GitHub - azu/bi-epub-reader: Standalone Epub reader using Bibi.
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efcl 2022/05/08
Bibiã‚’ä½¿ã£ãŸepubãƒªãƒ¼ãƒ€ã‚¢ãƒ—ãƒªã€‚

epub

Electron

software

windows

macOS

linux
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The Dirty Pipe Vulnerability â€” The Dirty Pipe Vulnerability documentation
AbstractÂ¶ This is the story of CVE-2022-0847, a vulnerability in the Linux kernel since 5.8 which allows overwriting data in arbitrary read-only files. This leads to privilege escalation because unprivileged processes can inject code into root processes. It is similar to CVE-2016-5195 â€œDirty Cowâ€ but is easier to exploit. The vulnerability was fixed in Linux 5.16.11, 5.15.25 and 5.10.102. Corrupti
efcl 2022/03/29
Linuxã®pipeå‡¦ç†ã§writeæ¨©é™æŒã£ã¦ãªã„ã‚‚ã®ãŒã€æ›¸ãã“ã‚ã¦ã—ã¾ã†ãƒã‚°ã®è§£èª¬ã€‚ ãƒªãƒ³ã‚°ãƒãƒƒãƒ•ã‚¡ã§mergeã§ãã¦ã¯ã„ã‘ãªã„ã‚‚ã®ãŒãƒžãƒ¼ã‚¸ã•ã‚Œã¦ã€ãã‚ŒãŒæ›¸ãå‡ºã•ã‚Œã‚‹ã¨èµ·ãã‚‹ https://knqyf263.hatenablog.com/entry/2022/03/29/050815

linux

security
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Welcome to Linux From Scratch!
Linux From Scratch (LFS) is a project that provides you with step-by-step instructions for building your own custom Linux system, entirely from source code. Currently, the Linux From Scratch organization consists of the following subprojects: LFS :: Linux From Scratch is the main book, the base from which all other projects are derived. BLFS :: Beyond Linux From Scratch helps you extend your finis
efcl 2022/03/01
Linuxã‚·ã‚¹ãƒ†ãƒ ã‚’æ§‹ç¯‰ã™ã‚‹ãŸã‚ã®ã‚¬ã‚¤ãƒ‰

linux

document
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WebVM: Client side X86 virtual machines in the browser
TL;DR â€” We made a server-less virtual Linux environment that runs unmodified Debian binaries in the browser. This is powered by CheerpX, a WebAssembly virtualization platform. Feel free to play with it and report bugs: https://webvm.io WebVM â€” a server-less virtual Linux environment running fully client-side in HTML5/WebAssembly.The web platform is well on its way to becoming the dominant platform
efcl 2022/02/09
CheerpXã‚’ä½¿ã£ãŸLinux ABI-compatibleãªVM

WebAssembly

linux
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GitHub - Narsil/rdev: Simple library to listen and send events to keyboard and mouse (MacOS, Windows, Linux)
efcl 2022/01/22
ãƒžã‚¦ã‚¹ã‚„ã‚ãƒ¼ã‚¤ãƒ™ãƒ³ãƒˆã‚’é€ä¿¡ã§ãã‚‹Rustãƒ©ã‚¤ãƒ–ãƒ©ãƒ©ãƒªã€‚

macOS

windows

linux

Rust

library
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ptrace ã‚ˆã‚Š 100 å€é€Ÿã„ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ãƒ•ãƒƒã‚¯ä½œã£ãŸ - ã‹ãƒ¼ãã‚‹ã•ã‚“ã¨ã‹
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efcl 2021/10/18
ãƒ¡ãƒ¢ãƒªã«èªã¿è¾¼ã¾ã‚ŒãŸãƒã‚¤ãƒŠãƒªã‚’æ›¸ãæ›ãˆã‚‹ã“ã¨ã§ã€ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ãƒ•ãƒƒã‚¯ã‚’å®Ÿè£…ã™ã‚‹ã¨ã„ã†è©±ã€‚ å‘¼ã³å‡ºã—è¦å‰‡ã«åŸºã¥ã„ã¦ã€ã‚¸ãƒ£ãƒ³ãƒ—å…ˆã‚‚ã„ã˜ã£ã¦ã‚‹

linux
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GitHub - lima-vm/lima: Linux virtual machines, with a focus on running containers
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efcl 2021/09/02
macOS subsystem for Linux. WSLã®macOSç‰ˆ

macOS

linux
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OpenShot å‹•ç”»ã‚¨ãƒ‡ã‚£ã‚¿ãƒ¼ | Linuxã€Macã€Windowså‘ã‘ã®ã€ãƒ•ãƒªãƒ¼ã§ã€ã‚ªãƒ¼ãƒ—ãƒ³ã§ã€å—è³žæ´ã®ã‚ã‚‹å‹•ç”»ã‚¨ãƒ‡ã‚£ã‚¿ãƒ¼ã§ã™!
ã§æ‰‹ä½œã‚Šã•ã‚Œã€100%ãƒ•ãƒªãƒ¼ã‹ã¤ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹! æ°¸ä¹…ã«ãƒ•ãƒªãƒ¼ã§ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã§ã™(GPL version 3.0) OpenShotã¯ ä¿¡ã˜ã‚‰ã‚Œãªã„ã»ã© é©šãã»ã© ã™ã°ã‚‰ã—ã é€”æ–¹ã‚‚ãªã ã‚·ãƒ³ãƒ—ãƒ«ã§ãƒ‘ãƒ¯ãƒ•ãƒ«ã§ã™ï¼ OpenShotå‹•ç”»ã‚¨ãƒ‡ã‚£ã‚¿ãƒ¼ã¯ã€ä½¿ã„ã‚„ã™ãã¦è¦šãˆã‚„ã™ãã€é©šãã»ã©ãƒ‘ãƒ¯ãƒ•ãƒ«ãªå‹•ç”»ã‚¨ãƒ‡ã‚£ã‚¿ãƒ¼ã«ãªã‚‹ã‚ˆã†è¨è¨ˆã•ã‚Œã¦ã„ã¾ã™ã€‚æœ€ã‚‚äººæ°—ã®ã‚ã‚‹æ©Ÿèƒ½ã‚„èƒ½åŠ›ã‚’ã€ã¡ã‚‡ã£ã¨è¦‹ã¦ã¿ã¦ãã ã•ã„ã€‚
efcl 2021/09/01
Linux, macOS, Windows, ChromeOSã«å¯¾å¿œã—ãŸå‹•ç”»ç·¨é›†ã‚¢ãƒ—ãƒª

video

software

windows

macOS

linux
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https://techcrunch.com/2021/07/18/the-end-of-open-source/
efcl 2021/07/28
linuxã¸ã®patchã®è©±ã¨ãã†ã„ã£ãŸå†…éƒ¨çš„ãªã‚µãƒ—ãƒ©ã‚¤ãƒã‚§ãƒ¼ãƒ³æ”»æ’ƒã«ã¤ã„ã¦

OpenSource

linux
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pwmt.org
Open Source All our projects are free and open source software and we are happy to share it with you.
efcl 2021/07/21
Linuxå‘ã‘ã®Vimçš„ãªKeyboardæ“ä½œã®PDFãƒ“ãƒ¥ãƒ¼ã‚¢

PDF

linux

software

Keyboard
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