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Linux: Rewriting the Buffer Layer

06/25/2007  
Relevance: 10.10
Posting a series of three patches, Nick Piggin announced that he was working on a rewrite of the buffer layer which he calls fsblock,"the name is fsblock because it basically ties the fs layer to the block layer." As to just what the buffer layer is, Nick explained,"the buffer layer is a layer between the pagecache and the block device for block based filesystems. It keeps a translation between logical offset and physical block number, as well as meta information such as locks, dirtyness, and IO status of each block. This information is tracked via the buffer_head structure."
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Tutorial: Networking 101: Understanding the Data Link Layer

08/21/2008  
Relevance: 8.53
Layer 2, the Data Link layer, is where Ethernet lives. We'll be talking about bridges, switching and VLANs with the goal of discovering how they interact in this part of Networking 101.
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Remote hole affects Debian, Ubuntu

05/14/2008  
Relevance: 6.62
* In a message to the Debian security mailing list, senior developer Florian Weimer said it had been discovered that the random number generator in the package was predictable. OpenSSL is an open source implementation of the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols and a full-strength general purpose cryptography library.
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How To Set Up A Linux Layer 7 Packet Classifier On CentOS 5.1

08/02/2008  
Relevance: 6.42
This tutorial will walk you through setting up a Linux layer 7 packet classifier on CentOS 5.1, this can easily be adapted to any other Linux distribution out there.
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Interview: Jens Axboe

01/31/2007  
Relevance: 6.34
Jens Axboe has been involved with Linux since 1993. 30 years old, he lives in Copenhagen, Denmark, and works as a Linux Kernel developer for Oracle. His block layer rewrite launched the 2.5 kernel development branch, a layer he continues to maintain and improve. Interested in most anything dealing with IO, he has introduced several new IO schedulers to the kernel, including the default CFQ, or Complete Fair Queuing scheduler.
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Installing The Link Layer Topology Discovery (LLTD) Protocol Responder For Linux On Debian Lenny

11/13/2008  
Relevance: 6.19
This document describes how to install and configure the Link Layer Topology Discovery (LLTD) Protocol - Responder Source Code from Microsoft. The lld2d daemon allows Linux systems to display in Vista's Network Map. This How-To should be easily adaptable to other distros.
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Anatomy of the Linux Networking Stack

06/30/2007  
Relevance: 6.16
Explore the structure of theLinux networking stack from the perspective of its layers and also examines some of its major structures. Its interfaces range from the protocol agnostics, such as the common sockets layer interface or the device layer, to the specific interfaces of the individual networking protocols.
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2.6.25-rc8,"No Cute April 1st Shenanigans"

04/03/2008  
Relevance: 6.02
"No cute April 1st shenanigans, just a regular -rc release that happened to come up today because I was waiting for the input layer oops-fixes to be ready and tested," began Linus Torvalds, announcing the 2.6.25-rc8 kernel on April 1st."The big thing that is actually *noticeable* to most people is that this should fix the two top regressions. The other thing that bit a number of people and is now fixed (and that also probably often showed up as a suspend/resume regression) was some 'struct device' lifetime changes that broke the input layer. Thanks to people who debugged that one."
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Linux Postfix mail server SSL certificate installations and configuration

07/13/2007  
Relevance: 5.54
Procedure for creating a CSR on postfix MTA is just like web server. You need to use OpenSSL which is a cryptography toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) network protocols and related ryptography standards under Linux / UNIX. To configure postfix SSL SMTP you need 3 files (a) The private key (b) Your .crt certificate file (c) CA certificateLinux Postfix mail server SSL certificate installations and configuration
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Fixing Debian OpenSSL

05/16/2008  
Relevance: 5.36
Debian, the popular Linux distribution, has just been shown to have made an all-time stupid security goof-up. They managed to change OpenSSL in their distribution so that it had no security to speak of. Good job guys! OpenSSL makes it possible to use SSL (Secure Socket Layer) and TLS (Transport Layer Security) in Linux, Unix, Windows and many other operating systems. It also incorporates a general purpose cryptography library. OpenSSL is used not only in operating systems, but in numerous vital applications such as security for Apache Web servers and security appliances from companies like Check Point and Cisco. Yeah, in other words, if you do anything requiring network security on Linux, chances are good, OpenSSL is being called in to help.
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Showing 10 articles of total 22538 in database ( English).

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