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Securing a Redhat, Fedora or Linux server howto

As a sysadmin I've learnt a lot through trail and error, with that I've put up an article which gives some nice pointers to safely connect your system to the internet.

Go to the article...


lm_sensors and SNMP howto online

I created a howto on using SNMP to read out lm_sensors data, the lm_sensors is a software application that reads out data like CPU voltage, fan speeds and tempratures inside your casing..

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Fedora Core 3 Available!

Fedora Core 3 is now available from Red Hat and at distinguished mirror sites near you, and is also available in the torrent. Fedora Core has expanded in this release to four binary ISO images and four source ISO images, and is available for both x86-64 and i386. Please file bugs via Bugzilla, Product Fedora Core, Version 3, so that they are noticed and appropriately classified. Discuss this release on fedora-list.















Unofficial FAQ Updated for Fedora Core 3
Fedora C1 lm_sensors + SNMP HowTo
Fedora Core 1 for AMD64 Available!
Securing a Redhat/Fedora install
Howto up: Help, my server got hacked !!!

 




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What's new in Fedora core 8  
Written by Administrator  
Monday, 26 November 2007

New in Fedora core 8

This release includes significant new versions of many key components and technologies. The following sections provide a brief overview of major changes from the last release of Fedora.

Spins

Fedora includes several different spins, which are variations of Fedora built from a specific set of software packages. Each spin has a combination of software to meet the requirements of a specific kind of end user. In addition to a very small boot.iso image for network installation, users have the following spin choices:

  • A regular Fedora image for desktops, workstations, and server users. This spin provides a good upgrade path and similar environment for users of previous releases of Fedora.

  • One of four Live images that can be run from a disc or USB flash device, and can be installed to hard disk as desired. See the "Live" section for more information about the Live images.

More custom spins are available at http://spins.fedoraproject.org. Remember that these Live images can be used on USB media via the livecd-iso-to-disk utility available in the livecd-tools package.

Features

  • This release features GNOME 2.20. GNOME now includes mail notification in the Evolution mail client, the ability to fill in PDF forms in the Evince document viewer, improved file management, a revamped Appearance control panel applet, a revised help system, and many other enhancements.

  • Online Desktop provides a desktop experience designed around online services. A preview of Online Desktop is provided via BigBoard, which is a optional sidebar in GNOME.

  • KDE 3.5.8 is available in the KDE Live image as well as the regular DVD. The KDE 4 (Beta) Development Environment is available in the repository.

  • Xfce 4.4.1 is available as part of this release.

  • NetworkManager 0.7 provides improved wireless network management support. It includes support for multiple devices and provides the capability of system-wide configuration, among many other enhancements.

  • PulseAudio is now installed and enabled by default. PulseAudio is an advanced sound server compatible with nearly all existing Linux sound systems. PulseAudio allows for hot-switching audio outputs, individual volume controls for each audio stream, networked audio, and more.

  • CodecBuddy is now included, and promotes free, superior quality, open formats to end users trying to play multimedia content under patent encumbered or proprietary formats.

  • Compiz Fusion, the compositing window manager that re-merges Compiz and Beryl, is installed by default. To enable Compiz Fusion in GNOME, use the SystemPreferencesDesktop Effects tool. Ongoing, long term Xorg work continues to enable Compiz by default.

  • The completely free and open source Java environment called IcedTea is installed by default. IcedTea is derived from OpenJDK, includes a browser plugin based on GCJ, and is available for both x86 and x86_64 architectures. GCJ is still the default on PPC architecture.

  • OpenOffice.org 2.3, with many new features, is available as part of Fedora 8.

  • Bluetooth devices and tools now have better graphical and system integration.

  • Laptop users benefit from the "quirks" feature in HAL, including better suspend/resume and multimedia keyboard support.

  • There is now improved power management thanks to both a tickless kernel in x86 and x86_64 architectures, and a reduction in unnecessary processor wakeups via powertop.

  • This release of Fedora has a new look and feel, called Infinity, from the Fedora Art team.

  • Nodoka, a fresh new GNOME theme created specially for Fedora, is available in this release.

  • A new online browser home page, http://start.fedoraproject.org, appears in this release.

  • Fedora continues to improve its many proactive security features, and FORTIFY_SOURCE has now been enhanced to cover C++ in addition to C, which prevents many security exploits.

  • A brand new graphical firewall configuration tool, system-config-firewall, replaces system-config-securitylevel.

  • This release offers Kiosk functionality via SELinux, among many new enhancements and security policy changes.

  • The glibc package in Fedora 8 now has support for passwords using SHA256 and SHA512 hashing. Before only DES and MD5 were available. The tools to create passwords have not been extended yet, but if such passwords are created in others ways, glibc will recognize and honor them.

  • Secure remote management capability is now provided for Xen, KVM, and QEMU in Fedora 8 virtualization.

  • Eclipse 3.3 (Europa), a new release of the acclaimed development platform, is available as part of this release.

  • In this release, the performance of yum, Pirut, and Pup have been significantly improved.

  • The Add/Remove Programs tool, pirut, introduces a new graphical interface for managing software repositories. Use EditRepositories to enable/disable any of the installed software repositories.

  • Live installations are faster and require a smaller root filesystem. The file system layout has also changed somewhat. System files for the Live images are now under LiveOS/, and a new README file has been provided as a short introduction to the live image.

  • Transifex provides a web-based translation interface to allow users to contribute translation work for Fedora hosted projects as well as being able to provide translations to upstream directly to any upstream project.

  • Integration of unique build IDs into Fedora's software building infrastructure now provides enhanced debugging capabilities and core dumps.

  • Fedora now offers easier rebranding of Fedora derivatives via a generic-logos software package. Changes in Fedora's mirror structure also make creation of derivatives easier.

  • The pam_console module usage has been removed in favor of access control via HAL, which modernizes the desktop.

  • Fedora 8 features a 2.6.23 based kernel.

Last Updated ( Monday, 26 November 2007 )

Announcing Fedora 7 Test 4 (6.93)  
Written by wunk  
Sunday, 29 April 2007

The Fedora Project is pleased to announce the release of the fourth and final test release of Fedora 7!

Test 4 is for beta users.
This is the time when we MUST have full community participation. Without this participation both hardware and software functionality suffers.

We need your help. Join us!
This is the final test release before the final Fedora 7 release, which is scheduled for May 24, 2007.

For further information see http://fedoraproject.org/wiki/Releases/7/
Last Updated ( Sunday, 29 April 2007 )

Guide to Managing Software with Yum  
Written by wunk  
Wednesday, 24 August 2005
The Fedora Website has now been updated with documentation for yum, the powerful software management utility integrated with Fedora Core:

http://fedora.redhat.com/docs/yum/

Topics include:

- Installing new software
- Configuring automatic system updating
- Searching for software packages
- Adding support for third-party software repositories

This documentation is for Fedora Core 3 and Fedora Core 4.

Last Updated ( Sunday, 29 April 2007 )
Read more...

Fedora Core 4 is upon us  
Written by wunk  
Monday, 13 June 2005
Ladies and Gentlemen:

You may have *thought* you were using the latest and greatest in open
source software, but folks, today we have something really, really
exciting for you.

It purrs.  It hums.  It mesmerizes.  It is ...

FEDORA CORE FOUR

That's right, the premier open source operating system has just turned
4 -- four releases that is!  But before we tell you how much this is
going to cost, here are a few of the fabulous features:

* GNOME 2.10

 With the elegant Clearlooks theme, descendent of our old friend
 Bluecurve.  Keep your eyes open for Evince, the new PDF viewer.

* OpenOffice.org 2.0 prerelease.  

 This popular office productivity suite handles all your favorite
 formats even better than before, and comes with a new database
 management capability.

* Eclipse and a 100% open source Java stack.  Gcj, need we say more?

* Fedora Extras

 Extras packages are available, by default, at release time.  Extras
 is now integrated into the development, testing, and release cycles.

* KDE 3.4

 Complete desktop packed with a web browser, mail client, and so much more.

* PPC (PowerPC)

 PPC architecture support.  Oh, yes, folks, Fedora Core on your PPC.
 It is downright amazing!

All of that, yes, all of that.  But, wait!, before you reach for your
wallet, you should hear about a few more of Fedora Core 4's fabuluous
features:

* Fedora Core is developed by the Fedora Project.  This amazing group
 of people love to promote the rapid development of innovative open
 source software through a collaborative, community effort.  Led by
 our old friends at Red Hat and featuring the tireless work of
 thousands of developers, packagers, testers, fixers, documenters,
 and users, Fedora Core 4 provides a complete Linux platform built
 exclusively from open source software.

 Let me say that again.

 Fedora Core is a complete Linux platform that is 100% open source.
 No mud in these waters, friends!

 One of Fedora Core's main objectives is to serve the needs of
 community developers, testers, and other technology enthusiasts who
 wish to participate in and accelerate the technology development
 process.  But you know what?  We aren't exclusive. We want you
 involved, too, whoever you are:

 http://fedora.redhat.com/participate

 You might surprise yourself.

 The Fedora Project pioneers leading edge technology and concepts
 that are sponsored by Red Hat and supported by the Fedora community.
 At this moment, Red Hat is pretty much in charge, folks.  There's no
 denying that.  But look around you!  There is change a'happening.
 Right now, Red Hat and the Fedora community have begun the creation
 of the Fedora Foundation.

Ok, folks, now I'm sure you are thinking this is going to cost you a
lot of money and release of personal liberties.

How much do you think it costs?  US$499 a box set?  No.  US$99 a seat?  No.  A nickel a megabyte of RAM? No.

Fedora Core 4 is 100% unconditionally free.  Free of restrictions.
And, oh, yes, free of cost.
Read more...

Red Hat Magazine - April 2005 - Issue #6  
Written by wunk  
Thursday, 14 April 2005
The new Red Hat Magazine is out..

Some key points being:

And mucho more, go read it online
Last Updated ( Thursday, 14 April 2005 )

More...
FC2 transferred to Legacy, FC4 Test 2 released
Fedora Docs Steering Committee
FedoraForum.org designated as official community support forum
Announcing Fedora Core 4 test1
Red Hat promises better and more support on Fedora
Redhat Enterprise Linux 4 released
Fedora Core 2 soon to be legacy
Fedora Core CVS Open!
Unofficial FAQ Updated for Fedora Core 3
Fedora Core 3 released
 
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