Linux red hat overview and installation

LINUX RED HAT

Presented by
Lonnye Bower
Chris Orona
Fardin Khan

Summary
• Research for the Power Point presentation revealed that Linux is a
free operating system that has been compared to and even rated
better and faster than the Windows operating system. Additionally,
Linux is very popular with software developers because of the many
programming language compilers Linux is equipped with. One of
the preferred features of Linux is the fact that one can run different
applications at the same time on different desktops.
• Our original intentions for this project were to include an actual
demonstration of the RedHat installation. Unfortunately, after many
hours were invested in the attempt to install Linux, we were
unsuccessful. We attribute the failed installation to incompatible
hardware, and have not given up on the belief that Linux is easy to
install. We plan on successfully installing Linux in the near
future and will be happy to share our results with anyone
interested.

Presentation Contents
• Intro
• About Linux
• Installation Requirements
• Installation Notes
• RedHat 6.2 Installation
• KDE
• Welcome to Linux
• Adding a Printer
• Resources
• Key Terms

Introduction to Linux

• “line-ucks” or “lih-nicks”
• Created primarily by Linus Torvalds in
1991
• First commercial release was in March,
1992

Introduction to Linux (con’t)

• Linux is an operating system very much
like Unix
– Multi-tasking, multi-user
• Developed by several users to replace
Minix
• Freely distributed, becoming more
popular every day

Why Linux is so popular
• Free
• Reliable – no crashes
• Simple to use and install
• Developer friendly
• Runs on several different platforms
• Allows older 386 and 486 processors to run
much faster
• Can coexist with other OS’s

The Linux kernel
• Originally developed for the Intel 80386
CPU’s protected mode
• Completely compatible with Unix
standards
• Allows shared executables
• Supports demand paging
• Uses a unified memory
• Supports swap space

The Linux kernel (con’t)
• Uses dynamically shared libraries
extensively
– Allows full library linking
• Supports a number of file systems
– DOS
– OS/2
• Ideally suited for application
development

The Linux kernel (con’t)
• Includes several programming language
compilers
– C
– C++
– Fortran
– Pascal
– LISP
– Ada
– BASIC

Linux and DOS
• Linux provides a DOS emulator, allowing
DOS applications to be executed
– WINE (Windows emulator)
– WABI
• Files can be transferred between the DOS and
Linux file systems
– Linux can access DOS partitions on a
hard disk directly

Linux and TCP/IP

• Provides complete TCP/IP networking
software to
– Create a local area network
– Attach to an existing Ethernet LAN
– Connect to the internet

Linux environments

• Text-based
• Graphical user interface (GUI) – called
“X” or “X Window”
– Very popular, especially with users new to
Linux
• KDE
• GNOME

Importance of Linux’s XFree86

• XFree86 is Linux’s GUI
• Easy to use
• Very similar to Windows environment
– Windows users can make easy transition
• Can install and run Windows
applications

Linux installation requirements

• Minimum installation
– 80386SX or better
– 2 MB RAM
– Floppy disk drive
– 40MB hard drive
– Video card
– Monitor

Linux installation requirements
(con’t)

• Realistic installation
– Text based
• 80386 or better
• 8 MB RAM
– GUI based
• 80486 or Pentium class
• 16 MB RAM

Linux recommended hardware
• Motherboards - ISA, EISA, PCI, VESA
• RAM – 2 MB will work, 16 is best
– Multi-user – 4 MB per user
• Hard disk – IDE, EIDE, ESDI, RLL, SCSI
– If using SCSI, only uses most common
• Video – Almost any
• Mouse – Any
• Tape – Any SCSI

Linux recommended hardware
(con’t)

• Removable media – Most SCSI
• Printer – Almost any parallel or serial
port
• Modem – Most serial, if DOS can use it,
Linux can too
• NIC – 3Com, Novell, HP, Intel
– Clones are NOT recommended!

Linux distributions
• RedHat
– www.redhat.com
• Corel
– linux.corel.com
• Mandrake
– www.linux-mandrake.com
• Debian
– www.debian.org
• Caldera
– www.caldera.com

Where to get Linux
• CD-ROM
– Fry’s, Best Buy
• WWW
– www.redhat.com/commerce
• FTP or BBS
– ftp.redhat.com/pub/redhat/current
• Note: There are many other places
to get Linux!

RedHat Linux 6.2 Installation
Notes
• Before installation
– Check hardware compatibility!!!
• www.redhat.com/support/hardware
• Make sure you have enough disk space
• Decide which installation method to use
– CD-ROM
– Hard Drive
– Ftp
– Http

Notes (con’t)
• Decide how to start the installation
– Bootable CD-ROM
– Local media boot disk
• Included with Official RedHat Linux 6.2 set
– Network boot disk
– PCMCIA boot disk
• Used if CD-ROM drive is attached to PC
through PCMCIA card

Notes (con’t)
• Decide which installation type you
need
– Workstation
• Most appropriate for Linux newbies
– Server
• Most appropriate for Linux-based servers
– Custom
• Allows for the greatest flexibility
– Upgrade
• Upgrading to a newer version of RedHat

A Note on Workstation
Installations
• There are two types available, we will
choose KDE for this presentation

– GNOME
• www.gnome.org

– KDE
• www.kde.org

Installation methods

• CD-ROM – we will use this method
– Requires a boot disk, a bootable CD-ROM,
or a PCMCIA boot disk
• Hard drive
– If you have copied all RedHat Linux file to
your hard drive
– Requires a boot disk or PCMCIA boot disk

Installation methods (con’t)

• Ftp
– If installing directly from an FTP server
– Requires a network or PCMCIA boot disk
• Http
– If installing directly from an HTTP server
– Requires a network or PCMCIA boot disk

Making Installation Diskettes in
DOS
• Insert RedHat CD into CD-ROM drive
• Insert blank, formatted disk into floppy drive
• Type the following
– C:> d:
– D:> cd dosutils
– D:dosutils> rawrite
– Enter disk image source file name: ..imagesboot.img
– Enter target diskette drive: a:
– Please insert a formatted diskette into drive A: and
press –ENTER– : [ENTER]
– D:dosutils>

RedHat 6.2 Installation

KDE Workstation Install

RedHat Installation page 1
• Insert RedHat CD into CD-ROM drive
• After a short delay, a screen containing
the boot: prompt should appear
• Press ENTER to continue and install
graphically
• The next screen will ask you to
determine which installation
method you would like to use
Note: All screenshots courtesy of redhat.com


• Choose the option for CD-ROM and
select OK
• The installation program will probe
your system and attempt to identify
your CD-ROM drive
– Using a common CD-ROM drive will
prevent any problems


• The next screen will ask you to select a
language – Choose English and click
Next


• Choose the keyboard that best fits your
system – If no exact match, choose the
best GENERIC match and click Next


• Choose the mouse that best fits your
system – If no exact match, choose the
best GENERIC match and click Next


• Read over the help text in the left and
then click Next


• Choose to Install and select KDE
Workstation and click Next


• For ease of installation, continue with
Automatic Partitioning and click Next
– Note: everything will be erased!


• Again, for ease of installation and use,
leave defaults selected and click Next

• Choose your Network device type, then enter your IP Address,
Netmask, Network, and Broadcast addresses and click Next
– Unsure? Ask your network administrator


• Choose your time zone by clicking on
the map, ex. Pacific – Tijuana, and click
Next

• Set the ROOT PASSWORD - Write it down
and keep it in a secure place!
– You can add Users at this time too, then click Next


• Continue with the option detected for
your system and click Next


• Choose the monitor that best fits your
system - If none exist, choose the best
GENERIC monitor and click Next

• Continue with the video hardware detected
for you unless you know it is incorrect
(change it) and click Next
You can test
the Configuration
if you are not sure.

Make sure USE
GRAPHICAL
LOGIN is
selected!


• Almost done!!! Click Next
– If you would rather quit, this is your last chance! –
Be sure
to read You can reboot and safely exit the installation now
the
Caution
Note!

• At this point, you can sit back and relax while
RedHat is installed
– Depending on the speed of your system, the
installation will take from about 15 minutes to 1
hour


• Insert a blank, formatted disk into the
floppy drive and click Next


• Congratulations!!!
– You can now click Exit to reboot your
system and start to use Linux

About the KDE Environment

• Desktop – Similar to Windows desktop
– Main workspace of KDE environment
– Supports multiple desktops
• Panel – Similar to Windows taskbar
– Serves as a quick launcher for applications
and applets

More About the KDE
Environment
You can find this file by
opening usr/kde/HTML/
default/kdehelp/main.html

Welcome to Linux page 1
• Your KDE desktop


• The panel is very configurable
• You can add and remove applications
which will allow you to access them
easily
• You can easily hide the panel


• The KDE panel, features a quick launch
button for an Xterm (similar to DOS
prompt)
– You will see the shell prompt inside the
newly created window:
Xterm button
[root@localhost /root]#


• Taskbar
– Displays all running applications
– Usually located at the top of the screen, but
can be moved


• Logging out from KDE sessions
– From the Main Menu – Select the Logout
item

Adding a Printer in Linux

• Open an Xterm window
• If not logged in as “Root”, type su at
the prompt and then enter your root
password
• Type printtool and press Enter
• The Printtool window will appear

(con’t)

• Select Add

(con’t)

• Select the type of printer to add and
click OK
– Printtool will attempt
to detect any printers
attached to your
parallel port

(con’t)

• Click OK to continue
after your printer was
detected

Key Terms
• Linux
• Kernel
• XFree86
• KDE
• Gnome
• RedHat
• Root
• Panel
• Xterm
• Taskbar
• Printtool

Linux Resources

• For more information on Linux go to
– www.linux.com
– www.linux.org
– www.redhat.com
– www.maximumlinux.com
– www.li.org

Linux Resources (con’t)
• For applications/software that are Linux
compatible go to
– www.sun.com
– www.corel.com
– www.linuxapps.com
– www.linuxcentral.com/linux/apps/linapps.h
tml
– www.m-tech.ab.ca/linux-biz
– charter.linuxberg.com

Thank You and Good Luck!
If you have any questions regarding
Linux and/or any part of this
presentation, please feel free to email:
Lonnye Bower at Lonnye@aol.com
Chris Orona at corona@calstatela.edu
Fardin Khan at Fardin24@aol.com

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