Task-centered iproute2 user guide
# Overview of iproute2 iproute2 is the Linux networking toolkit that replaced net-tools (ifconfig, vconfig, route, arp etc.). Most of the networking functionality is unified in the ip command. There’s also tc for managing traffic policies (QoS), and ss (a netstat replacement), but this document is focused on the ip part. iproute2 was originally written by Alex Kuznetsov and is now maintained by St
Can we kill net-tools, please?
ifconfig, route, etc... Recently the net-tools maintainer has forked the abandoned net-tools code base and started developing it again, after 15 years of stasis.As a design choice he has changed the output of most commands, hence breaking many scripts parsing their output. With this post I want to encourage fellow maintainers to stop depending on net-tools, which is obsolete software and has been
Moving on from net-tools [LWN.net]
Old habits die hard, even when support for the tools required by those habits ended over a decade ago. It is not surprising for users to cling to the tools they learned early in their careers, even when they are told that it is time to move on. A recent discussion on the Debian development list showed the sort of stress that this kind of inertia can put on a distribution and explored the options t
Install and Use GNU Command Line Tools on macOS/OS X - Top Bug Net
Last updated on December 13, 2017 If you are moving onto macOS/OS X from GNU/Linux, you would probably find out that the command line tools shipped with OS X are not as powerful and easy to use as the tools in Linux. The reason is that macOS/Mac OS X uses the BSD version command line tools, which are different from the Linux version, while they are both compliant with POSIX standards. But we can e
GitHub - iovisor/ply: Dynamic Tracing in Linux
Documentation and language reference is available at wkz.github.io/ply. A light-weight dynamic tracer for Linux that leverages the kernel's BPF VM in concert with kprobes and tracepoints to attach probes to arbitrary points in the kernel. Most tracers that generate BPF bytecode are based on the LLVM based BCC toolchain. ply on the other hand has no required external dependencies except for libc. I
Linux Storage Stack Diagram - Thomas-Krenn-Wiki-en
The Linux Storage Stack Diagram shows the layout of the the Linux storage stack. Downloads Diagram for Linux Kernel 6.11 Currently in development, here is the list of upcoming changes: null_blk: remove the bio based I/O path (Kernel 6.9) Diagram for Linux Kernel 6.9 Linux Storage Stack Diagram v6.9): Linux I/O Stack Diagram v6.2 (20230309): ZIP (includes .drawio and .svg) PDF PNG Changelog: dm-vdo
systemd: Unit dependencies and order - Fedora Magazine
Welcome back to our continuing series on systemd features. As you’ve guessed from our previous articles, systemd brings more power and flexibility to service startup and management. One of the most important changes in systemd from legacy SysVinit is how it starts up units. You may have heard from casual users that systemd starts everything together. Some people believe this is true, and that’s wh
Software, Patches and Docs
Web Page History CONTENTS (click to jump below): Pending development: Resizable Hash Tables: v5 release candidate Linux Advanced Routing: Routing and NAT extensions for Linux (2.2, 2.4, 2.6/3.x, Nano-HOWTO from Christoph Simon) medium_id - IPv4 Bridging for Linux rp_filter_mask - Extending the Reverse Path Protection for mediums Bridging Extensions - IP Mode Send-To_Self - Send traffic to self ext
How TCP backlog works in Linux
When an application puts a socket into LISTEN state using the listen syscall, it needs to specify a backlog for that socket. The backlog is usually described as the limit for the queue of incoming connections. Because of the 3-way handshake used by TCP, an incoming connection goes through an intermediate state SYN RECEIVED before it reaches the ESTABLISHED state and can be returned by the accept s
Linux network metrics: why you should use nstat instead of netstat
Linux network metrics: why you should use nstat instead of netstat TL;DR: This article is about the differences between netstat and nstat regarding Linux system network metrics, and why nstat is superior to netstat (at least for this purpose.) Updates 2016-04-12 - note about ss command Network metrics with netstat netstat can be found in the net-tools software collection. Depending on your linux D
Kernel.org git repositories
Kernel.org git repositories Git repositories hosted at kernel.org index NameDescriptionOwnerIdleLinks pub/scm/bluetoothbluetooth-next.gitUnnamed repository; edit this file 'description' to name the repository.grokmirror user4 yearssummarylogtree bluez.gitBluetooth protocol stack for LinuxMarcel Holtmann22 hourssummarylogtree sbc.gitBluetooth low-complexity, subband codec (SBC) libraryMarcel Holtma
The Yocto Project
It’s not an embedded Linux distribution, it creates a custom one for you. The Yocto Project (YP) is an open source collaboration project that helps developers create custom Linux-based systems regardless of the hardware architecture. The project provides a flexible set of tools and a space where embedded developers worldwide can share technologies, software stacks, configurations, and best practic
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Are hardware power management features causing latency spikes in my application? - Red Hat Customer Portal
What is an init system? - Fedora Magazine
https://www.kernel.org/doc/Documentation/vm/transhuge.txt
https://perf.wiki.kernel.org/index.php/Tutorial
8.6. Compiling a New Kernel
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miscellaneous/ipvs-thundering-herd-2.6.34.6.patch at master · kwilczynski/miscellaneous
Fuego - eLinux.org
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