red hat linux system admin commands

... Defined CHAPTER 1 Duties of the System Administrator CHAPTER 2 Planning the Network CHAPTER 3 Installing Red Hat Linux CHAPTER 4 Red Hat Linux File System CHAPTER 5 Red Hat System Configuration Files Part I b3632-X ... operating systems. Now, Red Hat has employed innovations that extend these duties even for the experienced Linux user. In this chapter, we look at those requirements. The Linux System Administrator Linux ... disruption. Only the system administrator may do this. Chapter 1: Duties of the System Administrator 7 c3632-X Ch01.F 2/21/02 8:33 AM Page 7 Red Hat Linux System and Network Administration Defined CHAPTER...

Ngày tải lên: 12/12/2013, 22:15

... ® PRESS ® ® ® PRESS Red Hat Linux Networking and System Administration Linux Solutions from the Experts at Red Hat SECURITY TOOLS INCLUDED ON CD-ROM Collings & Wall Your Official Red Hat đ Linux đ ... 13 Chapter 3 Installing Red Hat Linux . . . . . . . . . . . . . . . . . . . . 27 Chapter 4 Red Hat Linux File System . . . . . . . . . . . . . . . . . . 71 Chapter 5 Red Hat System Configuration ... . . . . xiii Part I Red Hat Linux System and Network Administration Defined Chapter 1 Duties of the System Administrator . . . . . . . . . . . . . . . 3 The Linux System Administrator . . ....

Ngày tải lên: 12/12/2013, 22:15

... 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 ... 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. All other trademarks are the ... mainframes. Linux in general, Fedora Core 4 and Red Hat Enterprise Linux in particular, are very powerful operating systems that can be used at the enterprise level as a full-fledged server. Linux...

Ngày tải lên: 07/07/2014, 09:20

... have been greatly reduced 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 at www.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 your own system you gain skills and understanding that raise you above mere “computer user” status. The Linux system administrator does not achieve that mantle...

Ngày tải lên: 07/07/2014, 09:20

... 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 ... installation section. Creating the Red Hat Boot Disk To 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 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...

Ngày tải lên: 07/07/2014, 09:20

... or deselect that package group. TIP 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 ... PC. Atable then lists the Linux partition and any other partitions that may contain another operating system. If your system has a Linux partition and a DOS partition (that actually has Windows ... default operating system. The default operating system is the one with a check mark in the Default column in Figure 3-10. In this case, Red Hat Linux is the default operating system. All of the...

Ngày tải lên: 07/07/2014, 09:20

... 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 that you created to the /media/floppy directory. Creating a Bootable CD-ROM To 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 installation starts, you can enter them in the area indicated on the screen. The system parses the Kickstart file and then runs your commands before...

Ngày tải lên: 07/07/2014, 09:20

... 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 ... Configuration All Red Hat systems, whether Fedora Core or Enterprise Linux, use a similar procedure 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. ...

Ngày tải lên: 07/07/2014, 09:20

... 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 ... written and configured by Red Hat and Red Hat administration tools as well as files con- taining variable settings used by system startup scripts. /etc/sysconfig contains both system and networking ... more important system configuration files on your Red Hat system. Systemwide Shell Configuration Scripts These files determine the default environment settings of system shells and what functions...

Ngày tải lên: 07/07/2014, 09:20

... 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 Files This section ... /etc/sysconfig directory Files 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’ve just 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 you are using Red Hat Linux on a laptop, among other things. Figure...

Ngày tải lên: 07/07/2014, 09:20

... printer attached to a different UNIX sys- tem 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 type ... Managing the X Window System 211 file that was created during system installation. A description of the section of the file follows the file. # XFree86 4 configuration created by redhat-config-xfree86 Section ... Window System 209 15_599496 ch09.qxd 8/30/05 6:23 PM Page 209 205 This chapter introduces you to the X Window system that is used to provide a graphical user interface (GUI) to the operating system. ...

Ngày tải lên: 07/07/2014, 09:20

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

Ngày tải lên: 07/07/2014, 09:20

... configuration. admin admin-master client-1 client-2 client-3 devel devel-master client-4 NETWORK client-5 client-6 admin admin-master admin- slave client-1 client-2 client-3 The Network Information System ... centrally administered repository for infor- mation shared across the network using NIS. NIS clients are programs that use NIS to query designated servers for information that is stored in the ... 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...

Ngày tải lên: 07/07/2014, 09:20

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

Ngày tải lên: 07/07/2014, 09:20

Ngày tải lên: 07/07/2014, 09:20

Ngày tải lên: 07/07/2014, 09:20

Ngày tải lên: 07/07/2014, 09:20

Ngày tải lên: 07/07/2014, 09:20

Ngày tải lên: 07/07/2014, 09:20