Red Hat ENTERPRISE LINUX 5.4 - SYSTEMTAP BEGINNERS GUIDE Guida di Installazione

1Red Hat Enterprise Linux 6Release NotesRelease Notes for Red Hat Enterprise Linux 6Copyright © 2010 Red Hat.The text of and illustrations in this doc

Release Notes104.3.1.1. Merging SnapshotsRed Hat Enterprise Linux 6 introduces the ability to merge a snapshot of a logical volume back into theorigin

Package Management116. Package Management6.1. Strong Package ChecksumsRPM provides support for signed packages using strong hash algorithms such as SH

Release Notes12Further ReadingThe Cluster Suite Overview17 document provides an overview of Red Hat Cluster Suite for RedHat Enterprise Linux 6. Addit

Security-Enhanced Linux (SELinux)13identity and authentication services enables local caching of identities, allowing users to still identifyin cases

Release Notes14Figure 6. Decrypting DataHowever, if the passphrase is misplaced, the encryption key cannot be used, and data on theencrypted storage d

Netlabel159.2.2. Intra-Site Automatic Tunnel Addressing ProtocolRed Hat Enterprise Linux 6 features support for the Intra-Site Automatic Tunnel Addres

Release Notes1610.3. Multiple Display SupportRed Hat Enterprise Linux 6 features enhanced support for workstations with multiple displays. Whenan addi

Multiple Display Support1710.3.1. Display PreferencesThe new Display Preferences dialog provides the ability to further customize multiple display lay

Release Notes1810.4. nouveau Driver for NVIDIA Graphics DevicesRed Hat Enterprise Linux 6 features the new nouveau driver as default for NVIDIA graphi

Applications1910.6.2. Thunderbird 3Red Hat Enterprise Linux 6 includes version 3 of the Mozilla Thunderbird email client, providing tabbedmessaging, s

Release Notes2AbstractThe Release Notes document the major features and enhancements implemented in the Red HatEnterprise Linux 6 release.1. Introduc

Release Notes2010.7. NetworkManagerNetworkManager is the desktop tool that is used to set up, configure and manage a wide range ofnetwork connection t

Release Documentation21• Security• Tools and Performance• Clustering• Virtualization11.1. Release DocumentationRelease NotesThe Release Notes25 docume

Release Notes22administrators with intermediate experience in either Red Hat Enterprise Linux or Fedora distributionsof Linux.Global File System 2The

High Availability23consumption (for both server and laptop), and how each technique affects the overall performance of asystem.Developer GuideThe Deve

Release Notes2411.6. VirtualizationVirtualization GuideThe Virtualization Guide46 details the process to install, configure and manage the virtualizat

Error Reporting2512.3. Error Reporting12.3.1. Advanced Error Reporting (AER)The kernel in Red Hat Enterprise Linux 6 features Advanced Error Reporting

Release Notes2612.5.2. Ftrace and perfTwo new tools are available in Red Hat Enterprise Linux 6 to assist in analyzing kernel performance.Ftrace provi

GNU Compiler Collection (GCC)27Red Hat Enterprise Linux 6 features version 0.9.5 of OProfile, adding support for new Intel and AMDprocessors.13.3. GNU

Release Notes28Python ScriptingThis updated version of GDB introduces the new Python API, allowing GDB to be automated usingscripts written in the Pyt

Virtualization29• Encrypted SMB transport between Samba client and server• Full support for Windows cross-forest, transitive trusts and one-way domain

Installation Methods3Further ReadingThe Red Hat Enterprise Linux 6 Installation Guide1 provides detailed documentation of theinstaller and the install

Release Notes3015.1.3. Storage• Indirect ring entries (spin locks) for the para-virtualized (virtio) driver improve block I/O performanceand allows mo

Xen3115.1.10. Guest Device ABI StabilityAs part of the new qdev device model, the guest ABI is now stable and will be kept consistent fornewer release

Release Notes32Importantfirstaidkit is considered a Technology Preview in Red Hat Enterprise Linux 6.16.2. Bug Reporting16.2.1. Installation Crash Rep

Automated Bug Reporting Tool3316.3. Automated Bug Reporting ToolRed Hat Enterprise Linux 6 features the new Automated Bug Reporting Tool (ABRT). ABRT

Release Notes34Apache in Red Hat Enterprise Linux 6 features support for the Server Name Indication (SNI) protocol,which enables name-based virtual ho

Revision History35A. Revision HistoryRevision 1-0 Wed Nov 10 2010 Ryan Lerch [email protected] Release of the Red Hat Enterprise Linux 6 Releas

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Release Notes4Figure 2. Partitioning Layout ChoicesThe Installer allows storage devices to be specified as either install target devices or data stora

Creating Backup Passphrases During Installation52.1.2. KickstartKickstart is an automated installation method that system administrators use to instal

Release Notes6NoteCurrently, creating backup passphrases for encrypted devices during installation can only beachieved during a kickstart installation

Installation Logs7Figure 5. Installation Error Reporting2.5. Installation LogsTo assist troubleshooting and debugging of installations, additional det

Release Notes83.1. Fourth Extended Filesystem (ext4) SupportThe fourth extended filesystem (ext4) is based on the third extended filesystem (ext3) and

Dynamic Load Balancing with DM-Multipath9Further ReadingThe Storage Administration Guide9 features a chapter that covers I/O Limits in further detail.