red hat linux 5 system administration guide

... access (0.0.0.0 0.0.0.0), so change that line to read 255 . 255 . 255 .0 192.168.0.0. The complete file now resembles the following: 255 . 255 . 255 . 255 127.0.0.1 255 . 255 . 255 .0 192.168.0.0 NOTE If /var/yp/securenets ... Enterprise Linux you can emulate this protocol to enable file sharing and printing between Red Hat systems and Novell Netware systems... management systems (RDBMSs) on Fedora Core and Red Hat ... 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... The export is configured as read-write,

Ngày tải lên: 07/07/2014, 09:20

... resemble the following: 53 4 Chapter 23 30 _59 9496 ch23.qxd 8/30/ 05 7: 15 PM Page 53 4 127.0.0.1 - - [26/Mar/20 05: 09:47:33 - 050 0] “GET /manual/images/up.gif HT\ TP/1.1”200 57 “http://localhost/manual/mod/core.html” ... “Mozilla /5. 0 (X11; U; Linux i686; en-US; rv:1.7.6) Gecko/20 050 302 Firefo\ x/1.0.1 Fedora/1.0.1-1.3.2” 127.0.0.1 - - [26/Mar/20 05: 10:19 :53 - 050 0] “GET /manual/mod/mod_access.h\ tml HTTP/1.1” 200 1 855 7 ... filename extension is .shtml: AddType text/html .shtml Configuring a Web Server 53 5 30 _59 9496 ch23.qxd 8/30/ 05 7: 15 PM Page 53 5 AddHandler’s purpose is to define a content handler for specific MIME types.

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... Orchard (Wiley, ISBN 0-76 45- 9 758 -2). Providing Web Services 57 3 31 _59 9496 ch24.qxd 8/30/ 05 7:30 PM Page 57 3 [...]... than a few hundred entries into smaller directories Many file systems, such as ext2 ... the SquirrelMail configuration tool’s main menu. Providing Web Services 56 5 31 _59 9496 ch24.qxd 8/30/ 05 7:30 PM Page 56 5 The key groups of settings you might want to change are the Organization ... Identifies the channel or individual syndication item Providing Web Services 57 1 31 _59 9496 ch24.qxd 8/30/ 05 7:30 PM Page 57 1 Required tags are shown in boldface. As an XML file, all of the tags in an

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... 33 _59 9496 pt04.qxd 8/30/ 05 7:21 PM Page 59 5 33 _59 9496 pt04.qxd 8/30/ 05 7:21 PM Page 59 6 59 7 Keeping Your System Updated with up2date and the Red Hat Network IN THIS CHAPTER ■■ Using the RedHat ... the Red. .. on ftp.redhat.com in /pub/redhat /linux/ enterprise/4/en/os/i386/SRPMS The Red Hat Update agent handles all of this for you automatically if you subscribe to the Red Hat ... fields. Figure 26-2 The Red Hat Network Configuration dialog box. Keeping Your System Updated with up2date and the Red Hat Network 59 9 34 _59 9496 ch26.qxd 8/30/ 05 7:19 PM Page 59 9 ■■ Retrieval/Installation

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... or functions that take the most time across the whole system. Upgrading and Customizing the Kernel 663 35_ 599496 ch27.qxd 8/30/ 05 7: 35 PM Page 663 [...]... available Red Hat systems installed ... in the next section. You should also enable the 656 Chapter 27 35_ 599496 ch27.qxd 8/30/ 05 7: 35 PM Page 656 USB device file system option so that you can view the USB device tree in /proc/bus/usb/xxx/yyy ... Customizing the Kernel 661 35_ 599496 ch27.qxd 8/30/ 05 7: 35 PM Page 661 Pseudo-File-Systems Pseudo-file-systems are so named because they are not true file systems with a distinct file system structure laid

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... the following: 55 16 1,1 5 1,3 , 6,9 * incrback.sh 55 16 1,1 5 Jan,Mar,Jun,Sep * incrback.sh In this case, the * in the day of the week field is ignored because... file system should ... THE SHADOW PASSWORD SYSTEM Red Hat Linux, like most, if not all, Linux and UNIX systems, uses shadow passwords because they offer enhanced protection for your system s authentication ... create the file system. Specifying -n results in a test run; mke2fs goes through the entire Configuring the System at the Command Line 6 85 36 _59 9496 ch28.qxd 8/30/ 05 7:24 PM Page 6 85 creation process

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... suggests, Red Hat Linux makes greater use of group accounts than other Linux distributions do. So, knowing how to add, modify, and delete group accounts is more important on Red Hat systems than ... early Red Hat Linux distributions and carried forward into Fedora Core and RHEL. UPGs are intended to make Linux groups easier to use. Although the UPG scheme does not add or change the normal Linux ... and limited exceptions, the root account has unlimited power on any Linux or UNIX system, and, in this respect, Red Hat Linux is no exception The root account, or, to use the expression

Ngày tải lên: 07/07/2014, 09:20

... /var/tmp/rpm-tmp .57 851 + umask 022 + cd /usr/src/redhat/BUILD + LANG=C + export LANG + unset DISPLAY + cd /usr/src/redhat/BUILD + rm -rf util -linux- 2.12a + /usr/bin/gzip -dc /usr/src/redhat/SOURCES/util -linux- ... potentially confusing, keep in mind that the name of the package can be used as a capability. 750 Chapter 30 38 _59 9496 ch30.qxd 8/30/ 05 7:36 PM Page 750 $ rpmquery whatrequires rpm rpm-python-4.4.1-18.1 ... +- 2168 2000 20 25 13days 29 0 0 Summary This chapter briefly recapped the power of the root account on a Red Hat Enterprise Linux system and showed you how to delegate some of that power to nonroot

Ngày tải lên: 07/07/2014, 09:20

... machine’s system files. If the machine is a standard installation of Red Hat Enterprise Linux without any customizations or extra packages installed, the system files can be restored by reinstalling Red ... backup tools. Red Hat Enterprise Linux provides several packages for dealing with the backup and restoration of the file system. The tar and dump commands pro- vide low-level interfaces to system backups. ... restored by reinstalling Red Hat Linux. The tradeoff is that reinstalling and reconfiguring a system probably takes more time and atten- tion than restoring the file system from backup. However,

Ngày tải lên: 07/07/2014, 09:20

... total used free shared buffers cached Mem: 51 5800 50 0 652 151 48 0 0 255 356 -/+ buffers/cache: 2 452 96 27 050 4 Swap: 1 052 248 53 6 1 051 712 806 Chapter 32 40 _59 9496 ch32.qxd 8/30/ 05 7:14 PM Page 806 ... 0 852 14168 0 250 444 0 0 0 31 1131 418 93 7 0 0 4 0 852 6780 0 250 528 0 0 0 35 1130 3 75 94 6 0 0 4 0 852 11 856 0 247484 0 0 0 156 1149 422 93 7 0 0 808 Chapter 32 40 _59 9496 ch32.qxd 8/30/ 05 7:14 ... vmstat -S K 5 5 procs memory swap io system cpu r b swpd free buff cache si so bi bo in cs us sy id wa 3 0 852 4880 0 250 120 0 0 33 26 15 1 35 93 3 4 0 2 0 852 14628 0 250 308 0 0 0 30 1132 4 05 94 6

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... ■ NSA SELinux Information — nsa.gov/selinux NSA SELinux FAQ — nsa.gov/selinux/info/faq.cfm Fedora Project and Red Hat Resources ■ ■ The Fedora Core SELinux FAQ — http://fedora.redhat.com ... Running Apache on SELinux — http://fedora.redhat.com /docs/selinux-apache-fc3 ■ ■ Fedora Core SELinux Mailing List — https://listman.redhat com/mailman/listinfo/fedora-selinux-list 8 45 846 Chapter ... Exploring SELinux Security IN THIS CHAPTER ■■ Understanding SELinux ■■ Using SELinux ■■ Finding More Information about SELinux CHAPTER 33 42 _59 9496 ch33.qxd 8/30/ 05 7:31 PM Page 8 35 on multiuser systems

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... ■■ krb5-server — Provides the programs that must be installed on a Kerberos 5 server or server replica. Implementing Network Security 8 65 43 _59 9496 ch34.qxd 8/30/ 05 7: 25 PM Page 8 65 ■■ krb5-libs ... and Red Hat Enterprise Linux is no exception This chapter describes various problems that can occur with various subsystems and features of Fedora Core and Red Hat Enterprise Linux ... having A problem that occurs with your Fedora Core or Red Hat Troubleshooting and Problem Solving Enterprise Linux system has most likely already occurred on another system somewhere...

Ngày tải lên: 07/07/2014, 09:20

... face when booting your system, installing on a laptop, and using the X Window system with Fedora Core and Red Hat Enterprise Linux. 898 Chapter 35 44 _59 9496 ch 35. qxd 8/30/ 05 7:17 PM Page 898 Solving ... the proper name of your system and the IP address with the IP address of your system. Troubleshooting and Problem Solving 8 95 44 _59 9496 ch 35. qxd 8/30/ 05 7:17 PM Page 8 95 Using Two Ethernet Cards ... server, make sure that the file /etc/resolv.conf has the correct values for your system? ??s DNS server(s). Make sure that the val- ues are correct. If you are using Red Hat Linux on a system attached

Ngày tải lên: 07/07/2014, 09:20

... directives, 52 5, 53 5 AddIconByType directives, 52 5, 53 5 AddLanguage directives, 52 5, 53 6 AddOutputFilter directive, 52 5, 54 0 AddType directive, 52 5, 53 5, 54 0 Allow directives, 53 2? ?53 3, 59 2 AllowOverride ... statement, 451 , 454 key statement, 451 46 _59 9496 bindex.qxd 8/30/ 05 7:34 PM Page 954 Index 955 logging categories, 456 – 457 logging statement, 451 , 455 – 457 options statement, 451 – 454 , 58 4? ?58 6 primary ... directive, 52 1, 52 3 KeepAliveTimeout directive, 52 1, 52 3 LanguagePriority directive, 52 6, 53 6 Listen 80 directive, 52 1, 52 3 LogFormat directives, 52 7, 53 4? ?53 5 MaxClients directive, 52 1, 52 3? ?52 4, 59 1

Ngày tải lên: 07/07/2014, 09:20

... Apache required for, 56 3 checking if installed, 56 3 connecting to, 56 3? ?56 5 further information, 56 7 IMAP4 for, 56 3, 56 4? ?56 5, 56 6 reconfiguring, 56 5? ?56 7 themes, 56 6 srm.conf file, 52 0 SRPMs (source ... CAs, 54 7, 54 8, 54 9, 55 4 creating a self-signed certificate, 54 9? ?55 1 CSR, 55 0 encryption, 54 7 further information, 54 6 information in certificates, 54 7? ?54 8 obtaining certificates from CAs, 55 4 overview, ... negotiation, 51 5 firewall configuration for, 57 kickstart installation from, 76 overview, 51 7? ?51 9 Web services. See also specific services mailing lists, 55 5? ?56 3 optimizing, 59 0? ?59 3 RSS feed, 56 7? ?57 3

Ngày tải lên: 07/07/2014, 09:20

... Also 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 ... fbetw.qxd 8/30/ 05 6:37 PM Page xvi 01 _59 9496 ffirs.qxd 8/30/ 05 6:38 PM Page ii Red Hat đ Linux đ Networking and System Administration Third Edition 01 _59 9496 ffirs.qxd 8/30/ 05 6:38 PM Page i ... 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. Preface ix 02 _59 9496...

Ngày tải lên: 07/07/2014, 09:20

... Certification Authority 55 4 Summary 55 4 Chapter 24 Providing Web Services 55 5 Creating Mailing Lists 55 5 Completing the Initial Mailman Configuration 55 6 Creating a Mailing List 55 9 Modifying a Mailing ... 1 06 _59 9496 ch01.qxd 8/30/ 05 6:18 PM Page 4 Part Four System Administration 59 5 Chapter 26 Keeping Your System Updated with up2date and the Red Hat Network 59 7 Using the Red Hat up2date Agent 59 8 Configuring ... Software Packages 7 45 Using the Red Hat Package Manager 7 45 General Options 746 Query Mode 748 Querying Package Dependencies 750 What’s in That RPM? 751 Formatting Query Output 754 Package Installation...

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 ... a box that shows any operating systems, if there are any, that were detected on your system. The Red Hat Linux system will be shown as the default system. If you want to boot another system as...

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... you would want your primary Ethernet interface to be configured on system boot. Standard Installation 55 08 _59 9496 ch03.qxd 8/30/ 05 6:20 PM Page 55 2. Click the radio button in front of Yes to accept ... 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 95/ 98 installed ... 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...

Ngày tải lên: 07/07/2014, 09:20

... version you are using. Figure 5- 5 The Desktop menu in Fedora Core lets you change system preferences. 106 Chapter 5 10 _59 9496 ch 05. qxd 8/30/ 05 7:09 PM Page 106 5. When you have finished configuring ... 85 09 _59 9496 ch04.qxd 8/30/ 05 6:30 PM Page 85 TIP Your Applications menu might not be exactly as described in this section, depending on the type of system (Desktop, Workstation, Server) that ... 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...

Ngày tải lên: 07/07/2014, 09:20