By Michael Jang
With thousands of perform questions and hands-on workouts, RHCE crimson Hat qualified Engineer Linux examine advisor, 5th variation covers what you want to recognize - and exhibits you the way to organize - for this demanding examination. * a hundred% entire insurance of all ambitions for examination RH302* examination Readiness list on the entrance of the publication - you are ready for the examination while all targets at the record are checked off* contained in the examination sections in each bankruptcy spotlight key examination issues coated* Real-world workouts modeled after hands-on examination eventualities* entire lab-based assessments simulate the layout, tone, issues, and hassle of the true examination* Bonus content material (available for obtain) contains install monitor evaluate, easy directions for utilizing VMware and Xen as testbeds, and paper and pencil models of the lab examsCovers all RH302 examination subject matters, including:* install and configuration * The boot approach* Linux filesystem management* package deal administration and Kickstart* consumer and workforce management* process management instruments* Kernel companies and configuration* Apache and Squid* community dossier sharing prone (NFS, FTP, and Samba)* area identify procedure (DNS)* email (servers and clients)* prolonged web prone Daemon (xinetd), the safe package deal, and DHCP* The X Window method* Firewalls, SELinux, and troubleshooting
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Extra resources for RHCE Red Hat Certified Engineer Linux Study Guide (Exam RH302)
Sample text
Bz2 suffix to the file, compressed to the associated algorithms. bz2 tar The tar command was originally developed for archiving data to tape drives. However, it's commonly used today for collecting a series of files, especially from a directory. gz /home This is one of the few commands that does not require a dash in front of the switch. This particular command creates (c) an archive, compresses (z) it, in verbose (v) mode, with the filename (f) that follows. gz /home The compression specified (z) is associated with the gzip command; if you wanted to use bzip2 compression, substitute the j switch.
Daily log files for the largest Web sites can grow into the gigabyte range. Apache is covered in more detail in Chapter 9. A substantial number of other Web servers are available for Red Hat Enterprise Linux, such as Sun's iPlanet and Zeus's Web Server. Network Information Service (NIS) The Network Information Service (NIS) was formerly known as the "yellow pages," as it is a centralized database of usernames and passwords on a network with Linux and other Unix-style computers. NIS can be configured as a centralized database for a number of other configuration files in the /etc directory.
FTP is covered in more detail in Chapter 10. Domain Name Service (DNS) If there were a practical way to list all of the domain names and IP addresses of every Web site on the Internet in a single file, we would not need the Domain Name Service (DNS). The DNS system allows us to set up different parts of this database on different servers around the world. If a DNS server does not have the answer, you can configure it to ask other DNS servers for help. DNS is covered in more detail in Chapter 11.
