Beginning Red Hat Linux 9 phần 5 pot
Beginning Red Hat Linux 9 phần 5 pot
... ext3 boot
2 101 .97 5 499 6.7 79 primary ext3
4 499 6.780 57 73.3 59 primary ext2
3 57 73.3 59 61 49. 882 primary linux swap
7.
We now proceed to create a new partition, using the space that we took from Partition ... 0.000−61 49. 882 megabytes
Disk label type: msdos
Minor Start End Type File system Flags
1 0.031 101 .97 5 primary ext3 boot
2 101 .97 5 5773.3 59 primary ext3
3...
Beginning Red Hat Linux 9 phần 7 potx
... networks: 10.0.0.0−10. 255 . 255 . 255 , 172.16.0.0−172.31. 255 . 255 , and
192 .168.0.0− 192 .168. 255 . 255 .
•
A netmask is a 32−bit string that hides the network part of an IP address, so that only the host (computer) ... Value
Operating system Red Hat Linux 9
IP address 192 .168.0 .99
Netmask 255 . 255 . 255 .0
Hostname linux4 biz
The laptop is a simple client machine, design...
Beginning Red Hat Linux 9 phần 9 pot
... security of your Red Hat Linux system.
Identifying What Is Valuable
The first step in planning the security of your Red Hat Linux system is to identify what you have on that
system that is of value ... punctuation and other symbols, and make use of
the fact that Red Hat Linux 9 uses MD5 password hashes that allow passwords to be up to 15 characters long.
Note However, som...
Beginning Red Hat Linux 9 phần 1 ppsx
... Finally 393
Summary 394
Chapter 12: Security 3 95
What Is Meant by Computer Security? 3 95
Identifying What Is Valuable 3 95
Potential Threats 396
Countering the Threats 397
Hardware 397
Physical ... of the Hardware 397
Hardware Failure 398
Local Security 399
(Mis)using the root Account 399
Passwords 399
Keeping Software Up to Date 4 05
Registering for Red Hat N...
Beginning Red Hat Linux 9 phần 2 ppt
... expect in a Linux system and the type of files that they are supposed to contain. That said,
Red Hat still has some distribution−specific directories that you won't find in other Linux distributions.
You ... command
shell interpreter that is used by default in Red Hat Linux is bash. We'll look more closely at the bash
shell in Chapter 6.
The information entered in this...
Beginning Red Hat Linux 9 phần 3 ppt
... and Connections
90
Version : 2.8 .5 Vendor: Red Hat, Inc.
Release : 11 Build Date: Sat 25 Jan 2003
05: 10:43 GMT
Install Date: Mon 26 May 2003 14 :50 :02 BST Build Host:
porky.devel.redhat.com
Group ... version of the Red Hat packages can be downloaded from www.RedHat.com
Upgrading Packages
118
Chapter 5: Everyday Applications
Overview
You've installed your Red Hat Lin...
Beginning Red Hat Linux 9 phần 4 pptx
... Available Use% Mounted on
/dev/hda2 57 16172 342 498 8 2000812 64% /
/dev/hdal 1010 89 191 37 76733 20% /boot
none 94 752 0 94 752 0% /dev/shm
/dev/cdrom 6 59 4 88 6 59 4 88 0 100% /mnt/cdrom
The Available ... root 6 85 0.0 0.3 2 096 752 ? S Jan 15 0:00 xinetd −stayalive −reuse −pidfile
/var/run/xinetd.pid
deepakt 52 70 0.0 3.1 16436 59 5 2 ? S 12:03 0:04 /usr/bin/gnome−session...
Beginning Red Hat Linux 9 phần 6 ppt
... kapils:!!$1$68Q7Ci4g$CqbN8rdCBw4GmxDlouQ2q/:12100:0 :99 999 :7:::
deepakt:$1$sUejrBGF$I3cSo2TRmKIbN55wfLgfB1:12100:0 :99 999 :7:::
markm:!!:12100:0 :99 999 :7:::
The ! ! in the second field means that the account is disabled. ... see what has changed:
eziodm:$l$W/RgbXrI$OP9t9IyVmQyvPfxNLUFwQ1:12100:0 :99 999 :7:::
kapils:!!$1$68Q7Ci4g$CqbN8rdCBw4GmxDlouQ2q/:12100:0 :99 999 :7:::
deepakt...
Beginning Red Hat Linux 9 phần 8 pdf
... . : 192 .168.0.1 29
Subnet Mask . . . . . . . . . : 255 . 255 . 255 .0
Default Gateway . . . . . . . : 192 .168.0.1
DHCP Server . . . . . . . . . : 192 .168.0 .99
DNS Servers . . . . . . . . . : 192 .168.0.1
Lease ... 19: 25: 15 localhost kernel: Initializing CPU#0
Feb 18 19: 25: 15 localhost kernel: CPU: L1 I cache: 16K, L1 D cache: 16K
Feb 18 19: 25: 15 localhost kernel: CPU: L2 cach...
Beginning Red Hat Linux 9 phần 10 pps
... for a subnet 192 .168.1.0 with a netmask of 255 . 255 . 255 .0, i.e.
24 bits). Fred ( 192 .168.1.l) is a Windows machine that we'll use as a telnet client, Bob ( 192 .168.1.2) is a
Linux server we'll ... example.
Imagine our Red Hat machine has two network interfaces: eth0 has the IP address 192 .168.1.1 and eth1 has
the IP address 192 .168.10.1. Both interfaces have netmasks...
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