red hat certified system engineer syllabus

... format Trang 2Red Hat Linux Red Hat Certified Engineer (RHCE) Version 3.0.0 Abstract: This study guide will help you to prepare for Linux/Unix Exam RH300, Red Hat Certified Engineer Exam ... Trang 1Red Hat LinuxRed Hat Certified Engineer (RHCE) Version 3.0.0 Notice: While every precaution has been taken in ... server (optional) • Be familiar with what packages that Red Hat comes with, so you can choose these during installation • Read the Linux hardware HOWTO (in Red Hat CD:\DOC\HOWTO) to clarify the

Ngày tải lên: 04/11/2013, 20:15

... or registered trademarks of Hungry Minds. Red Hat, Red Hat Press, and the Red Hat Press logo are trademarks or registered trademarks of Red Hat, Inc Linux is a trademark or registered trademark ... Experts at Red Hat www.redhat.com www.hungryminds.com Cover design by Michael J Freeland Cover photo © Hulton Getty Trang 2Red Hat ® Linux ® Networking and System AdministrationTrang 4Red Hat ® Linux ... optimally Chapter 16 explains the Red Hat Network, a service available from Red Hat that you can use to keep your system current You can register your systems with Red Hat and then receive notifications

Ngày tải lên: 12/12/2013, 22:15

... of the physical disks that contain the file systems youwant to share and several daemons that make these shared file systems visible com-to and available for use by client systems on the network ... exported file systems are stored in the /exports/homes direc-tory When a user logs in to a given system, that user’s home directory is auto-matically mounted on /home/username on that system So, ... directories, such as /usr/share, the systemmail spool (/var/spool/mail), and file systems that contain sharedapplication binaries and data File systems that are relatively static,such as /usr,

Ngày tải lên: 07/07/2014, 09:20

... well-run system, IPaddresses can change, whereas a hostname won’t If DNS is properlyconfigured and maintained, the hostname will always point to the propersystem regardless of what that system’s ... 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 ... automatically mounts all networked file systems notconfigured with the noauto option, including NFS file systems It does this byparsing /etc/fstab looking for file systems of type nfs, nfs4 (described

Ngày tải lên: 07/07/2014, 09:20

... the clientsystem at the mount point /net And here’s the procedure: The server system has already been configured as an NIS and NFS server Likewise, the client system has already been ured as an ... /etc/host.conf so that it uses NIS for hostname lookups Bydefault, the Fedora Core and Red Hat Enterprise Linux host.conf file lookslike the following: order hosts,bind This configuration means that name ... shows you how to use theAuthentication Configuration tool to configure a client system to use NIS:1 Select Red Hat ➪ System Settings ➪ Authentication or type config-authentication(as root) in a

Ngày tải lên: 07/07/2014, 09:20

... modify your system’s firewall setup (you are running a firewall, right?). 1. To start the Security Level Configuration tool, select Red Hat ➪ System Settings ➪ Security Level or type system-config-securitylevel ... is that if one backbone or a segment of one provider’s backbone fails (because the fiber-optic cable is cut by a backhoe, say ), access to that time server will be impaired NTP is engineered ... (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,

Ngày tải lên: 07/07/2014, 09:20

... the performance of network vices running on Fedora Core and RHEL systems For example, X Windowsystem desktops run faster when you reduce the amount of eye candy becausegiving up eye-popping graphics ... two.” ser-C H A P T E R 18 Trang 3Optimizing the X Window SystemOptimizing the X Window system is not easy The core X protocol, despitewhat its detractors say, is actually pretty well tuned Of ... impose overhead on the windowing system to keep the back-ground properly rendered and up to date Shaped windows and bor-ders are aesthetically pleasing but somewhat expensive in terms ofresources

Ngày tải lên: 07/07/2014, 09:20

... Tool, type system-config-httpd at a command prompt or select Red Hat ➪ System Settings ➪ Server Settings ➪ HTTP Server However, we do not recommend using HTTP Configuration Tool on your systems ... to confirm that the certifi-cate has not been altered since it was issuedThe certificate also contains the certificate ID of the person or entity thatissued the certificate and that certified ... AddOutputFilter directive tells Apache that files with an shtmlextension should be processed using mod_include, the module that providesApache’s SSI support (the default Red Hat httpd.conf file should containthese

Ngày tải lên: 07/07/2014, 09:20

... Selecting Content for an RSS Feed What kind of content might be appropriate to include in an RSS feed? turally, any sort of list-oriented information, that is, information that can be Struc-organized ... are a variety of tools thatautomate the creation of RSS feeds, and some content management systemseven include tools to create RSS feeds automatically Other tools exist that youcan use to validate ... sites or domains that comprise multipleservers and thousands of documents ht://Dig can handle sites or domainsthat consist of multiple servers because it has a built-in Web spider that can tra-verse

Ngày tải lên: 07/07/2014, 09:20

... System Chapter 32: Performance Monitoring Trang 4■■ Using the RedHat up2date Agent■■ Registering Your System with the Red Hat Network ■■ Accessing the Red Hat Network with a Web browser The Red ... system. Before you can begin using the Red Hat Network, you must first register yoursystem with Red Hat by using the Red Hat Network registration client N OT E You can also register for the Red ... Red Hat Network, which gives you access to many additional services,such as registering your system, receiving email notifications and schedulingautomatic system updates As a registered Red Hat

Ngày tải lên: 07/07/2014, 09:20

... check box ensures thatyou will not be prompted for them This option also makes obsolete driversavailable, that is, old drivers that have been replaced by something else or thatmight be removed ... decompress.coun-After locating an archive that is near you, in network terms, download thedesired file using your Web browser or an FTP client By way of example, theinstructions that follow assume you use the ... signature to make surethat it has not been tampered with Files placed in the Linux Kernel Archivesare OpenPGP-signed, and you can use these digital signatures to prove thatfiles you have downloaded

Ngày tải lên: 07/07/2014, 09:20

... isthat it plays nicely with the udev system: plug in a supported device and udevwill detect the hotplug event and automatically create the appropriate devicenode and file system entries so that ... infinibandta.org/home/ File Systems The File systems configuration section enables you to configure support forthe file systems you expect to use or access from your system One of Linux’sgreatest ... DVDs use the UDF file system If you expect touse such disks, enable the UDF file system support option DOS/FAT/NT File Systems For better or worse, most Linux users and system administrators

Ngày tải lên: 07/07/2014, 09:20

... the file system using the file system-specific options fsoptions -r Mounts the file system in read-only mode -s Ignores options specified with -o that are invalid for the given file system type ... mounted file system rw 1 Mounts the file system in read/write mode suid 1 Enables set-UID and set-GID bits on the file system sync 1 Enables synchronous file system I/O on the file system user ... that the file system is busy.For example, suppose that you want to unmount /dev/fd0, which ismounted on the file system /mnt/floppy: Now, you can use the kill command to kill the processes that

Ngày tải lên: 07/07/2014, 09:20

... expired before the account is locked. -E expiredate Sets expiredate as the date on which username’s account expires. -W warndays Sets warndays as the number of days before the password expires that ... with similar names, except that thegroup commands have fewer command line options As the section “Under-standing User Private Groups” later in the chapter suggests, Red Hat Linuxmakes greater use ... distributions do So,knowing how to add, modify, and delete group accounts is more important onRed Hat systems than it is with other Linux distributions Table 29-5 lists the commands used to add,

Ngày tải lên: 07/07/2014, 09:20

... information about the relationships between themany RPMs that constitute an installed Red Hat system What’s in That RPM? You will often find it useful or necessary to determine the contents of an ... one of normal, not installed, or replaced. whatprovides S Queries all RPMs that provide capability. capability whatrequires S Queries all RPMs that need capability in order As you can see ... the Red Hat Package Manager RPM is a powerful software configuration manager and the preferred tool forinstalling, removing, verifying, and updating software packages on Fedora Coreand RHEL systems

Ngày tải lên: 07/07/2014, 09:20

... system files If the machine is a standard installation of Red HatEnterprise Linux without any customizations or extra packages installed, thesystem files can be restored by reinstalling Red Hat ... amount of backup media that can be saved In theparticular case that a single Red Hat installation is copied verbatim onto manymachines, it may be appropriate to back up the system files of just ... certain that the data-base will survive a crash The other aspect of the file system, other than the system files that need to be backed up, is the user files Generally, all user files are stored in

Ngày tải lên: 07/07/2014, 09:20

... The Red Hat Hardware Compatibility List is on the Web at www.redhat.com/support/hardware . When choosing hardware for a Red Hat Linux system or installing Red Hat Linux on an existing system, ... name recognition within their industry. Red Hat Certified Engineer Program During 1998, Red Hat developed a certification program for Red Hat Certified Engineers (RHCE) called the RHCE program. ... announced by Red Hat. You should check Red Hat s Web site, www.redhat.com , for the latest information on RHCE II. RHCE Courses and Exam A s part of its RHCE program, Red Hat offers...

Ngày tải lên: 21/12/2013, 06:17

... Suite Red Hat GFS runs with Red Hat Cluster Suite 4.0 or later. The Red Hat Cluster Suite software must be installed on the cluster nodes before you can install and run Red Hat GFS. Note Red Hat ... the file -system name, can be 1 to 16 Complete Options 17 GFS Overview Red Hat GFS is a cluster file system that is available with Red Hat Cluster Suite. Red Hat GFS nodes are configured and managed ... for Red Hat Cluster Suite and Red Hat GFS, see Configuring and Managing a Red Hat Cluster. If you have already installed the appropriate Red Hat Cluster Suite RPMs, follow the procedures that...

Ngày tải lên: 10/12/2013, 06:15

... 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 ... part introduces the system administrator’s duties. The chapters in this part discuss planning a network, installing Red Hat Linux, and working with the Red Hat Linux file system and configuration ... Subnet Hub 18 Part I: Red Hat Linux System and Network Administration Defined c3632-X Ch02.F 2/21/02 8:33 AM Page 18 Monitoring and Tuning Performance The default installation of Red Hat Linux goes...

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 ... your system and ensure that it runs well. Chapter 26 explains the up2date program that is included with Fedora Core and Enterprise Linux that you can use to keep your system updated. Also covered ... 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...

Ngày tải lên: 07/07/2014, 09:20