IT Essentials II Network Operating Systems

1
IT Essentials IINetwork Operating Systems

• Chapter 7Installation and Boot Process Overview

2
Preparing for Installation

• Planning the System
• Type of NOS
• Hardware Requirements
• Check for selected NOS
• Hardware Inventory
• Anything need to purchase/upgrade
• Hardware Compatibility Lists
• Microsoft Windows NT and Windows 2000
• www.microsoft.com/hcl/default.asp
• Linux (Red Hat)
• www.redhat.com/support/hardware/
• Linux (SuSE)
• http//cdb.suse.de/cdb_english.html
• Caldera OpenLinux
• www.calderasystems.com/support/hardware/
• IBM OS/2
• http//service.software.ibm.com/os2ddpak/html/inde
  x.htm

3
Check for Conflicts
4
Server hardware installation

• Verify everything in installation plan is ready
  and available
• Verify location
• Space
• Temperature
• Humidity
• Verify power
• Correct voltage
• UPS if required
• Verify network connection
• Type and connection
• Verify hardware
• Ready and available

5
Server Hardware Components

• Server Chassis
• Rack, tower or wide-body
• Server Rack
• Mounting kits
• Processors
• Correct type and number
• Memory
• Amount and type
• Disk Drives
• Type and size
• Keyboard, Video and Mouse (KVM)
• KVM switch

• UPS
• Size and time of backup
• Backup devices
• Tape or CD-R
• Connections
• For all drives/network connections

6
Installation Process

• Installation Media
• CD-ROM (Most Common)
• Network
• Floppy
• Floppy CD-ROM
• BIOS Settings
• Maintain a hard copy of settings
• Update to latest version
• Ensure set for type of installation

7
Installation Process

• Installation Program
• Windows setup.exe
• Linux - anaconda
• Disk Partitions
• Set up partitions as required
• Windows C\, D\, etc.
• Linux - /dev/hda1, /dev/hda2, etc. (primary 1-3,
  Extended 4, Logical 5)
• Partitioning a Disk
• Using fdisk
• Swap Files
• Linux minimum 2 x RAM installed, Maximum
  128 MB
• Windows default 1.5 x RAM installed

8
Installation Process

• Formatting the Disk
• Choose file system
• NTFS recommended Win2k XP
• FAT32 Win98
• FAT DOS Win95
• UFS UNIX
• EXT3 Linux
• HFS OS/2
• Creating Initial Administrative Accounts
• Needs to be a strong password
• Completing the Installation
• Login to the system

9
Administrative Accounts
10
Basic Files Required Win2k
11
Boot Process Win 2000

• Steps of the Windows 2000 Boot Process
• The pre-boot sequence
• The boot sequence
• The kernel load
• The kernel initialisation
• The logon process

12
Linux Boot Process

• Similar to Win2k
• Windows NTDLR
• Linux LILO
• Windows services SMSS.exe
• Linux services - INIT

13
Unable to boot from installation media

• BIOS set wrong
• CD-ROM bootable
• Check Media
• SCSI drivers?

14
Problems during the installation process

• Partitioning/Formatting BIOS or Replace
  hardware
• System Hangs wait 5 minutes then reboot
• Cannot read Media clean or obtain new

15
Post-installation problems

• Ensure typed password correctly
• Check manufacturers website
• Usernames and Passwords can be CASE sesitive

16
Verifying the network

• Win2k

• Linux

17
Questions?