... DefinedCHAPTER 1Duties of the System AdministratorCHAPTER 2Planning the NetworkCHAPTER 3Installing RedHat Linux CHAPTER 4 Red HatLinux File System CHAPTER 5 Red HatSystem Configuration FilesPartIb3632-X ... of other operating systems. Now, RedHat has employed innovationsthat extend these duties even for the experienced Linux user. In this chapter, welook at those requirements.The LinuxSystem ... network,installing RedHat Linux, and workingwith the RedHatLinux file system andconfiguration files.b3632-X PtO1.F 2/21/02 8:33 AM Page 2 (Because of its built-in security features, Linux may not...
... Cisco DSL modem 96 Red HatLinux9 For Dummies xiv Chapter 4Getting RedHat Linux In This Chapterᮣ Checking out the RedHatLinux file system ᮣ Booting RedHat Linux ᮣ Comprehending logins ... 90 The DSL Option 91 Facing DSL configuration woes head-on 92 Finding a DSL provider 93 Connecting your Cisco modem to your Red HatLinux computer 94 Configuring the Cisco DSL modem 96 Red Hat ... 4-7.Figure 4-7:The Red Hat UserManageradministra-tion tool.65Chapter 4: Getting RedHat Linux Red Hat đ Linux đ 9 For DummiesđPublished byWiley Publishing, Inc. 90 9 Third AvenueNew...
... Beginning RedHatLinux9 1Introduction 4 Who Is This Book For? 4 What You Need to Use This Book 4 What Is Linux? 5 Linus Torvalds and the Birth of Linux 5 Why Choose Linux? 6 What Is RedHatLinux ... Chapter 2: RedHatLinux9 BasicsOverviewNow that you have installed RedHatLinux on your machine, you can start to familiarize yourself with yournew operating system. RedHatLinux9 sports a ... maturedalongside the basic Linuxoperatingsystem itself.The latest RedHatLinux release − version 9 − is a perfect example of this innovation. While it's available for free download, RedHat also sells...
... your Red HatLinux system. It's been specially written for RedHatLinux 9, though you will also find it a very usefulguide if you're planning to use its slightly older brother, RedHat ... http://hardware.redhat.com, for moreon hardware compatibility.)ã A copy of RedHatLinux9 included with this book.ã Other AlternativesThere are other ways to obtain the RedHatLinux9 distribution. ... Security? 395 Identifying What Is Valuable 395 Potential Threats 396 Countering the Threats 397 Hardware 397 Physical Security of the Hardware 397 Hardware Failure 398 Local Security 399 (Mis)using...
... expect in a Linuxsystem 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 ... chapter, we looked at the various steps of the installation of the RedHatLinux9operating system. We started by noting that the installation process requires various pieces of background information ... the system in the directory tree given below: The File System 51 We can see from the figure above that the only Ethernet controller in this list is a Realtek81 39/ 8139C/8139C+ model. Note that...
... version of the RedHat packages can be downloaded from www.RedHat.com Upgrading Packages118 Chapter 5: Everyday ApplicationsOverviewYou've installed your RedHatLinux9operating system; ... tools that RedHatLinux9 makes available for you to do this.Web BrowsersObviously, the most common and popular way of accessing the Internet is by using a web browser. Red Hat Linux9 comes ... chapter we'll survey some of the many applications available within the RedHatLinux9 distribution. Red HatLinux9 comes with a bewildering array of applications, and to cover them all in...
... another (virtual) operatingsystem within Linux, and hence you can run executables that are nativeto that operating system. Hence, we can (for example) run an emulator application that simulates ... that folder.NewsFeedsAllows you to add links to news feeds. The News Feeds tab contains a number of predefined newsfeeds to choose from − the RedHatLinux Update Watch(https://rhn.redhat.com/rpc/recent−errata.pxt) ... image. System ApplicationsThere are numerous other applications available and installed with RedHat9. Half the fun of a new operating system is exploring all these applications. There is much that...
... kapils:!!$1$68Q7Ci4g$CqbN8rdCBw4GmxDlouQ2q/:12100:0 :99 999 :7::: deepakt:$1$sUejrBGF$I3cSo2TRmKIbN55wfLgfB1:12100:0 :99 999 :7:::markm:!!:12100:0 :99 999 :7:::The ! ! in the second field means that the account is disabled. ... of the /etc/shadow, to see what has changed: eziodm:$l$W/RgbXrI$OP9t9IyVmQyvPfxNLUFwQ1:12100:0 :99 999 :7::: kapils:!!$1$68Q7Ci4g$CqbN8rdCBw4GmxDlouQ2q/:12100:0 :99 999 :7::: deepakt:$1$sUejrHGF$I3cSo2TRmKIbN55wfLgfB1:12100:0 :99 999 :7:::markm:$1$3afRsVjz$mg9zGakhspD.fcpDwx4wv0:12100:0 :99 999 :7:::Now ... kapils:!!$1$68Q7Ci4g$CqbN8rdCBw4GmxDlouQ2q/:12100:0 :99 999 :7::: deepakt:$1$sUejrHGF$I3cSo2TRmKIbN55wfLgfB1:12100:0 :99 999 :7:::markm:$1$3afRsVjz$mg9zGakhspD.fcpDwx4wv0:12100:0 :99 999 :7:::Now the markm account has a password, and is fully operative.4....
... to gain FTP access via a system user account, you'll be refused:$ ftp 192 .168.0 .99 Connected to 192 .168.0 .99 ( 192 .168.0 .99 ).220 (vsFTPd 1.1.3)Name ( 192 .168.0 .99 :none): eziodm530 This ... FTPserver, web server, or mail server:Server Value Operating systemRedHatLinux 9 IP address 192 .168.0 .99 Netmask 255.255.255.0Hostname linux4 bizThe laptop is a simple client machine, designed ... environment.We will assume that you have root access to the RedHatLinux server. Throughout the chapter, we'll use theterms Linux server and client to refer to the RedHatLinux9 server machine...
... this file:redhat−config−xfree86 (Applications | System Settings | Display)ã redhatconfigkeyboard (Applications | System Settings | Keyboard)ã redhatconfigmouse (Applications | System Settings ... (/home) to /data/backup/hda2−20020112 9. dmp Here are a few examples of sequences of dump levels that you may choose to follow: [0] 9 8 7 6 [5] [0] 9999 [9] [0] 3 [2] 5 [4] [5]You would need ... better understand what ishappening with our system. LoggingOne of the best features of Unix−based operating systems is their extensive support for logging, and in Red HatLinux9 the same is true....
... security of your RedHatLinux system. Identifying What Is ValuableThe first step in planning the security of your RedHatLinuxsystem is to identify what you have on that system that is of value ... of your RedHat system, allowing you to spot securitybreaches and other potential problems. System Logs/var/logThe RedHatLinuxsystem maintains several log files that record system activity. ... pet), or anything generated in a systematic way. Include punctuation and other symbols, and make use ofthe fact that RedHatLinux9 uses MD5 password hashes that allow passwords to be up to...