red hat linux system admin commands

Tài liệu Red Hat Linux Networking and System Administration P2 pptx

... DefinedCHAPTER 1Duties of the System AdministratorCHAPTER 2Planning the NetworkCHAPTER 3Installing Red Hat Linux CHAPTER 4 Red Hat Linux File System CHAPTER 5 Red Hat System Configuration FilesPartIb3632-X ... operating systems. Now, Red Hat has employed innovationsthat extend these duties even for the experienced Linux user. In this chapter, welook at those requirements.The Linux System Administrator Linux ... disruption. Only the system administrator may do this.Chapter 1: Duties of the System Administrator 7c3632-X Ch01.F 2/21/02 8:33 AM Page 7 Red Hat Linux System andNetwork Administration DefinedCHAPTER...

Tài liệu Red Hat Linux Networking and System Administration P1 docx

Danh mục: An ninh - Bảo mật

... ®PRESS®®®PRESS Red Hat Linux Networkingand System Administration Linux Solutions from the Experts at Red Hat SECURITY TOOLSINCLUDED ON CD-ROMCollings& WallYour Official Red Hat đ Linux đ ... 13Chapter 3 Installing Red Hat Linux . . . . . . . . . . . . . . . . . . . . 27Chapter 4 Red Hat Linux File System . . . . . . . . . . . . . . . . . . 71Chapter 5 Red Hat System Configuration ... . . . . xiiiPart I Red Hat Linux System and Network Administration DefinedChapter 1 Duties of the System Administrator . . . . . . . . . . . . . . . 3The Linux System Administrator . . ....

Red Hat Linux Networking , System Administration (P1) ppt

Danh mục: Hệ điều hành

... covered is the Red Hat Network, a subscription serviceavailable with Red Hat Enterprise Linux that you can use to keep your system current. You can register your systems with Red Hat and then ... other countries, and may not be used without written permission. Red Hat is a regis-tered trademark of Red Hat, Inc. Linux is a registered trademark of Linus Torvalds. Allother trademarks are the ... mainframes. Linux in general, Fedora Core 4 and Red Hat Enterprise Linux in particular, are very powerful operating systemsthat can be used at the enterprise level as a full-fledged server. Linux...

Red Hat Linux Networking , System Administration (P2) pot

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... have been greatlyreduced if system administrators had a better understanding of their duties. Linux system administrators are likely to understand the necessity of active system administration ... subscribe to the Red Hat Linux security mailing list? (Find it atwww.redhat.com/mailing-lists /linux- security/index.html.)Have you established a procedure that makes sure that every security ... means that in setting up and configuring yourown system you gain skills and understanding that raise you above mere“computer user” status. The Linux system administrator does not achieve thatmantle...

Red Hat Linux Networking , System Administration (P3) potx

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... Red Hat boot disk starts your PC and the Red Hat Linux installationprogram. After you install Red Hat Linux, you no longer need the Red Hat boot disk (except when you want to reinstall Red Hat ... installation section.Creating the Red Hat Boot DiskTo boot Red Hat Linux for the first time and start the Red Hat Linux installa-tion program, you need a Red Hat boot disk. For this step, you ... reinstall Red Hat Linux from theCD-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, preparethe...

Red Hat Linux Networking , System Administration (P4) ppsx

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... ordeselect that package group.TIP In an actual Red Hat Linux installation, you install exactly those packagegroups that you need. Each package group requires specific packages to run.The Red Hat installation ... PC. Atable then liststhe Linux partition and any other partitions that may contain another operating system. If your system has a Linux partition and a DOS partition (that actuallyhas Windows ... default operating system. Thedefault operating system is the one with a check mark in the Default columnin Figure 3-10. In this case, Red Hat Linux is the default operating system. All of the...

Red Hat Linux Networking , System Administration (P5) potx

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... the system volume, use the utility here.■■ System Settings — This menu item contains Enterprise Linux system administration utilities and some GNOME configuration utilities as well.■■ System ... copy the ks.cfg file thatyou created to the /media/floppy directory.Creating a Bootable CD-ROMTo create a bootable CD-ROM, follow these instructions.1. Place the Red Hat Linux Installation CD-ROM ... want to have commands run on your system before the installationstarts, you can enter them in the area indicated on the screen. The system parses the Kickstart file and then runs your commands before...

Red Hat Linux Networking , System Administration (P6) ppt

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... atthe file system structure are the file system commands, essential to proper file system management. In addition to the native Linux file system, Fedora Coreand Red Hat Enterprise Linux support ... Configuration All Red Hat systems, whether Fedora Core or Enterprise Linux, use a similarprocedure for starting up the operating system. As the system boots, the oper-ating system loads programs ... system administrator or other users. The bin directory cannot contain subdirectories.■■ boot — On Red Hat systems, this is the directory containing the ker-nel, the core of the operating system. ...

Red Hat Linux Networking , System Administration (P7) pps

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... handy since it reduces system administrationtime. This is a fast file system, and now you can read and write to and from itwith your Red Hat Linux machine. Nonstandard Linux File SystemsSupport ... written andconfigured by Red Hat and Red Hat administration tools as well as files con-taining variable settings used by system startup scripts. /etc/sysconfigcontains both system and networking ... more important system configuration files on your Red Hat system. Systemwide Shell Configuration ScriptsThese files determine the default environment settings of system shells andwhat functions...

Red Hat Linux Networking , System Administration (P8) ppsx

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... directory should be edited by hand. For more informa-tion on Red Hat Network, see the Red Hat Network Web site at https://rhn.redhat.com.Examining the Network Configuration FilesThis section ... /etc/sysconfigdirectoryFiles to Change When Setting Up a System or Moving the System Whenever you set up a system to work on a new network, either because you’vejust installed Red Hat or you’re moving the machine from ... use it. APM is a monitoring daemon that works with power man-agement code within the Linux kernel. It can alert you to a low battery if youare using Red Hat Linux on a laptop, among other things.Figure...

Red Hat Linux Networking , System Administration (P9) ppsx

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... printer attached to a different UNIX sys-tem that can be accessed over a TCP/IP network (for example, a printerattached to another Red Hat Linux system on your network). If youchoose this type ... Managing the X Window System 211file that was created during system installation. A description of the section ofthe file follows the file.# XFree86 4 configuration created by redhat-config-xfree86Section ... Window System 20915_599496 ch09.qxd 8/30/05 6:23 PM Page 209 205This chapter introduces you to the X Window system that is used to provide agraphical user interface (GUI) to the operating system. ...

Red Hat Linux Networking , System Administration (P11) ppt

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... in Red Hat Linux) .rw Exports the file system read-write, permitting operationsthat change the file system. secure Requires client requests to originate from a secure(privileged) port, that ... hide an exported file system that is asubdirectory of another exported file system. ro Exports the file system read-only, disabling any operationthat changes the file system. root_squash Maps ... exported file system. The Linux security model ordinarily grants root full access to the file systems on ahost. However, in an NFS environment, exported file systems are sharedresources that are...

Red Hat Linux Networking , System Administration (P12) ppsx

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... configuration. admin admin-masterclient-1 client-2 client-3develdevel-masterclient-4NETWORKclient-5 client-6 admin admin-master admin- slaveclient-1 client-2 client-3The Network Information System ... centrally administered repository for infor-mation shared across the network using NIS. NIS clients are programs that useNIS to query designated servers for information that is stored in the ... uniquename that refers to any group of systems that use the same NIS maps. NISdomains function as system management tools providing a convenient methodto organize groups of systems that need to...

Red Hat Linux Networking , System Administration (P13) pot

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... Novell NetworksWith Red Hat Enterprise Linux, you can easily configure your system to con-nect to Novell Netware servers. In this section, you learn how to configureyour Red Hat system to be a Novell ... also able to use the printers configured with the Red Hat system. Connecting to a Samba ClientIn this section, you learn how to connect your system to other systems runningthe SMB protocol. Connecting ... about a Linux program called Samba, which emulates the SMBprotocol and can be used to connect Linux networks to Windows networks.You installed and configured Samba on a Red Hat Enterprise Linux...