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Red Hat Linux Networking , System Administration (P1) ppt

Ngày tải lên : 07/07/2014, 09:20

... Red Hat Linux Networking and System Administration Third Edition Terry Collings and Kurt Wall ® ® Red Hat Linux Networking and System Administration Third Edition Red Hat Linux Networking ... covered is the Red Hat Network, a subscription service available with Red Hat Enterprise Linux that you can use to keep your system current You can register your systems with Red Hat and then receive ... emphasize that this book is useful for users of Fedora Core, the open source community–based Linux project supported by Red Hat, as well as users of Red Hat Enterprise Linux ix x Preface Part I: System...

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Red Hat Linux Networking , System Administration (P2) pot

Ngày tải lên : 07/07/2014, 09:20

... the Red Hat Linux security mailing list? (Find it at www.redhat.com/mailing-lists /linux- security/index.html.) Have you established a procedure that makes sure that every security update is downloaded ... for you, Red Hat has created the Red Hat Network, a program intended to help keep your system updated with the latest security updates C R O S S-R E F E R E N C E Learn how to use the Red Hat Network ... run whatever came on the computer, assuming that things came properly configured from the factory The user or enterprise that decides on Linux has decided, also, to assume the control that Linux...

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Red Hat Linux Networking , System Administration (P3) potx

Ngày tải lên : 07/07/2014, 09:20

... The Red Hat boot disk starts your PC and the Red Hat Linux installation program After you install Red Hat Linux, you no longer need the Red Hat boot disk (except when you want to reinstall Red Hat ... reinstall Red Hat Linux from the CD-ROMs) The Red Hat boot disk contains an initial version of the Red Hat Linux installation program that you use to start Red Hat Enterprise Linux, prepare the ... installation section Creating the Red Hat Boot Disk To boot Red Hat Linux for the first time and start the Red Hat Linux installation program, you need a Red Hat boot disk For this step, you should...

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Red Hat Linux Networking , System Administration (P4) ppsx

Ngày tải lên : 07/07/2014, 09:20

... deselect that package group T I P In an actual Red Hat Linux installation, you install exactly those package groups that you need Each package group requires specific packages to run The Red Hat installation ... which you can select the Red Hat Linux package groups that you want to install After you select the package groups and click Next, take a coffee break while the Red Hat installation program formats ... shows you a list of packages that are required but that you have not selected In this case, you should install the required packages Install only those packages that you think you will need immediately...

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Red Hat Linux Networking , System Administration (P5) potx

Ngày tải lên : 07/07/2014, 09:20

... panel differs slightly between the Fedora Core version and the Enterprise Linux version because Fedora Core and Enterprise Linux use different versions of GNOME The description here will explain ... Enterprise Linux and Fedora Core is the Applications icon, indicated by the word Applications and the Red Hat icon To the right of the Applications icon is an Actions menu on Enterprise Linux that contains ... related to system sound and video For example, if you want to adjust the system volume, use the utility here ■■ System Tools — This menu choice gives you access to many Enterprise Linux system administration...

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Red Hat Linux Networking , System Administration (P6) ppt

Ngày tải lên : 07/07/2014, 09:20

... at System Boot Shutting Down the System Changing the GRUB Configuration All Red Hat systems, whether Fedora Core or Enterprise Linux, use a similar procedure for starting up the operating system ... at the file system structure are the file system commands, essential to proper file system management In addition to the native Linux file system, Fedora Core and Red Hat Enterprise Linux support ... process and reboots the system System Startup and Shutdown GRUB Configuration File When the system boots, GRUB presents a graphical screen showing the operating systems that you can boot The /boot/grub/grub.conf...

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Red Hat Linux Networking , System Administration (P7) pps

Ngày tải lên : 07/07/2014, 09:20

... File System Explained consequence of this friendliness to other operating systems is that Linux can read and write to several different file systems that originated with other operating systems ... Enterprise Linux provide support for many file systems Linux supports those from other operating systems, remote file systems, memory file systems, CD-ROM file systems, virtual file systems, and ... handy since it reduces system administration time This is a fast file system, and now you can read and write to and from it with your Red Hat Linux machine Nonstandard Linux File Systems Support...

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Red Hat Linux Networking , System Administration (P8) ppsx

Ngày tải lên : 07/07/2014, 09:20

... information /etc/sysconfig/selinux This file is a link to /etc/selinux/config and is used to control selinux on the system It contains two settings that control the state of selinux — enforcing, permissive, ... this directory should be edited by hand For more information on Red Hat Network, see the Red Hat Network Web site at https:// rhn.redhat.com Examining the Network Configuration Files This section ... file controls the state of SELinux on the system # SELINUX= can take one of these three values: # enforcing - SELinux security policy is enforced # permissive - SELinux prints warnings instead...

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Red Hat Linux Networking , System Administration (P9) ppsx

Ngày tải lên : 07/07/2014, 09:20

... — A printer attached to a different UNIX system that can be accessed over a TCP/IP network (for example, a printer attached to another Red Hat Linux system on your network) If you choose this ... configure and manage your system printers Included with Fedora Core and Red Hat Enterprise Linux is the Printer Configuration tool to help you configure your printing system The Printer Configuration ... Enterprise Linux, you can use two video cards and monitors on your system if you desire To configure a second video card and monitor, the following: On Enterprise Linux choose Applications ➪ System...

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Red Hat Linux Networking , System Administration (P11) ppt

Ngày tải lên : 07/07/2014, 09:20

... demands What’s New with NFSv4? NFS version 4, which is the version available in Fedora Core and Red Hat Enterprise Linux, offers significant security and performance enhancements over older versions ... directories, shared data directories, such as /usr/share, the system mail spool (/var/spool/mail), and file systems that contain shared application binaries and data File systems that are relatively ... and Red Hat Enterprise Linux systems, the /etc/exports file is the main NFS configuration file It lists the file systems the server exports, the systems permitted to mount the exported file systems,...

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Red Hat Linux Networking , System Administration (P12) ppsx

Ngày tải lên : 07/07/2014, 09:20

... export While we’re somewhat embarrassed to be running such an old version of Red Hat, we’re also quite pleased to report that it has been running so well for so long that we forgot just how old ... well-run system, IP addresses can change, whereas a hostname won’t If DNS is properly configured and maintained, the hostname will always point to the proper system regardless of what that system s ... unique name that refers to any group of systems that use the same NIS maps NIS domains function as system management tools providing a convenient method to organize groups of systems that need to...

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Red Hat Linux Networking , System Administration (P13) pot

Ngày tải lên : 07/07/2014, 09:20

... Novell Networks For Samba to provide its services, the Red Hat Linux PC needs to be configured N OT E In this chapter, I refer to the Red Hat Linux PC as the Samba server and the Windows PC as the ... Novell Networks With Red Hat Enterprise Linux, you can easily configure your system to connect to Novell Netware servers In this section, you learn how to configure your Red Hat system to be a Novell ... Fedora Core and Red Hat Enterprise Linux systems as NIS servers and clients You first learned how to set up and test an NIS server and how to ensure that the NIS server comes up after a system reboot...

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Red Hat Linux Networking , System Administration (P14) pps

Ngày tải lên : 07/07/2014, 09:20

... for your needs In addition, the versions of PostgreSQL and MySQL that ship in Fedora Core and Red Hat Enterprise Linux lag somewhat behind the current stable versions of those products At the ... example, the following mysqladmin command shows the server version: $ mysqladmin version mysqladmin Ver 8.23 Distrib 3.23.58, for redhat -linux- gnu on i386 Copyright (C) 2000 MySQL AB & MySQL Finland ... documentation mysqlshow is a utility that displays the structure of a MySQL database, the tables in that database, and the columns (or fields) that make up that database It uses an option syntax...

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Red Hat Linux Networking , System Administration (P15) ppsx

Ngày tải lên : 07/07/2014, 09:20

... menu (Red Hat ➪ System Settings ➪ Date & Time) or type system- config-date at a command prompt Either way, you should see the screen shown in Figure 17-1 If NTP is already running on your system, ... The Network Time Protocol tab Fedora Core and RHEL ship with two servers configured: clock.redhat com and clock2.redhat.com To use one of these servers, select it from the Server drop-down box and ... cut by a backhoe, say), access to that time server will be impaired NTP is engineered to select an alternative server, but if all your servers use that same severed backbone, you’re hosed So, for...

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Red Hat Linux Networking , System Administration (P16) ppsx

Ngày tải lên : 07/07/2014, 09:20

... makes Linux machines versatile workhorses that can fulfill many different functions in a company’s network This chapter covers the wide range of common services that come standard with every Red Hat ... important program that has been around for several years It incorporates new features that have been desired by system administrators for a few years now xinetd starts at system boot time, and ... and Linux system security, see Chapter 34 iptables is Fedora’s and Red Hat s built-in IP firewall administration tool Using iptables enables you to run a personal firewall to protect your Linux...