... Network
CHAPTER 3
Installing Red Hat Linux
CHAPTER 4
Red Hat Linux File System
CHAPTER 5
Red Hat System Configuration Files
Part
I
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Summary
As you, the system administrator, ... part introduces the system
administrator’s duties. The chapters in
this part discuss planning a network,
installing Red Hat Linux, and working
with...
... ®
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
... to Networking and System Administration
K
URT
W
ALL
has worked with Linux and Unix for nine years and is the
author of several other books, includ...
... COURSE
Most system administrators are familiar with the `ebb and l]p_d commands. The `ebb command is
used to compare text files line by line and show the differences. The l]p_d command takes a ... of state on the system, relays the state changes on to other systems via
TCP or multicast UDP, listens for and gathers the state of other
cikj` daemons in
the local cluster, and answe...
... processes to handle incoming database
connections and coordinates communication between
postgres processes
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critical because Linux s NFS ... command to set Squid to start and
stop automatically:
# chkconfig level 0123 456 squid off
# chkconfig level 3 45 squid on
The first command disables Squid in all run levels. The sec...
... unencumbered by required directory
structures and system binaries
■■ Support for hidden files and directories
■■ Self-contained and does not need to use system binaries or libraries,
reducing ... standalone workstation, which is a system that is
connected directly to the Internet and that has some sort of domain
name resolution running, you want mail to that machine and to
loc...
... Enterprise Linux, you can access the Red
Hat Network using a Web browser.
Keeping Your System Updated with up2date and the Red Hat Network 6 07
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version ... Enterprise Linux.
612 Chapter 26
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-rw-r r 1 mirror mirror 46585 077 Apr 7 19:21 linux-
2.6.11 .7. tar.gz
-rw-r r 1 mirror mir...
... [name]
Configuring the System at the Command Line 695
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key commands for showing, setting, and maintaining the date and time on a
Red Hat system, specifically:
■■ ... servers
Single-Use Commands
The hwclock, date, and rdate commands are single-use commands for set-
ting the system date and time. That is, hwclock, date, and rdat...
... command must be run inside the directory that is going to be
restored. So, restore can restore the /home directory with the following
commands:
Backing Up and Restoring the File System 791
39_ 599 496 ... 502680 97 .46 0 243484 1051524
724 0.07 144
10:27:47 PM 97 32 506068 98 .11 0 24 199 2 1051524
724 0.07 144
10:27:52 PM 5768 510032 98 .88 0 232348 1051524
724 0.07 144
10:27:57 PM...
... shell scripts that automate process monitor-
ing and management. They use both Bash built-in commands and standard
Linux commands and utilities available on any Fedora Core or RHEL system.
As is ... command is:
mycommand &> /dev/null
The section titled “Redirecting Standard Output and Standard Error” in the
Bash man page explains how and why this syntax works.
If you use...