Installing Red

In this section we show you how to install Red Hat 7.2 Professional on your server.

Note: At the time of writing, 7.2 was the newest version of the Red Hat Linux and it was used to create the installation instructions. Version 7.3 of the Red Hat Linux operating system was released later in May 2002. The redbook team did some limited testing with the version 7.3 and all the installation instruction seemed to apply also to this version.

Note: We recommend using Red Hat Advanced Server version 2.1 or newer instead of the RH Personal or RH Professional version. The RH Advanced Server version has an extended release cycle . The RH Advanced Server has also been certified by the top ISVs, such as IBM. The installation of the RH Advanced Server is similar to the installation of the RH Professional version, which we detail here.

To capture the screens you see in this book, we have installed and configured Linux in a VMware window. VMware is a product by VMware, Inc. (http://www.vmware.com) which allows you to run one operating system as a guest of another. This means that some of the screens might look slightly different from what you would see on your system. These differences are hardware-related, as VMware emulates different hardware devices for the guest operating system.

Be sure to read "Before you begin" on page 18 in order to make the installation easier. To start the installation, insert the Red Hat 7.2 CD-ROM and turn on or reboot the server.

Attention: The installation process will destroy any existing data stored on your hard disk drives.

UelcoMe to Red Hat Linux 7.2!

- To install or upgrade Red Hat Linux in graphical Mode, press the <ENTER> key.

To install or upgrade Red Hat Linux in text Mode, type: text <ENTER>.

To enable low resolution Mode, type: lowres <ENTER>. Press <F2> for More inforMation about low resolution Mode.

- To disable fraMebuffer Mode, type: nofb <ENTER>.

Press <F2> for More inforMation about disabling fraMebuffer Mode.

To enable expert Mode, type: expert <ENTER>. Press <F3> for More inforMation about expert Mode.

To enable rescue Mode, type: linux rescue <ENTER>. Press <F5> for More inforMation about rescue Mode.

If you have a driver disk, type: linux dd <ENTER>.

- Use the function keys listed below for More inforMation.

[Fl-Ma in] [F2-Genera11 [F3-Expert] [F4-Kernel] [F5-Rescue] boot :

Figure 1-1 Red Hat 7.2 - Initial Boot Screen

1. Once the following screen is displayed, you are ready to start the Linux installation. Press Enter to begin installation immediately or wait for it to start automatically after a short pause.

2. The system will begin to probe (detect) the hardware installed in your system and load the appropriate drivers for it. The Welcome to Red Hat Linux window is displayed while this is happening.

Once the drivers are loaded, the Red Hat Install Program will start. We are using the graphical setup program. If the graphical installation fails to start see RedHat installaion Guide.

Figure 1-2 Red Hat 7.2 - Language Selection

3. Select the Language from the list shown in Figure 1-2 on page 26 that you would like to use during the installation - you will be prompted later for the languages the OS should support. Click Next.to continue.

Figure 1-3 Red Hat 7.2 - Keyboard Configuration

4. The Keyboard Configuration screen is shown in Figure 1-3 on page 27. Specify the keyboard attached to your computer. If in doubt, select Generic 102-key. Click Next to continue.

Figure 1-4 Red Hat 7.2 - Mouse Configuration

5. As shown in Figure 1-4 on page 28, you can select different mouse settings. Specify the type of mouse attached to your system and click Next.

Most systems have two button PS/2 mice so you should make certain to check the emulate 3 button mouse.

Figure 1-5 Red Hat 7.2 - Welcome

Tip: If you do not need the Online Help Bar on the left hand side of the screen, you can disable it by clicking on the Hide Help button on the left bottom of your screen. To see the help again, click on the Show Help button.

6. On the welcome screen shown below, click Next to start the Red Hat System Installer. The Install Options screen will be displayed.

Figure 1-6 Red Hat 7.2 - Install Options

7. On the Install Options screen shown in the next figure, select Custom and click Next.

Note: Some disk controllers require drivers supplied by the manufactor and are not supported out of the box. See

http://www.redhat.com/docs/manuals/linux/RHL-7.2-Manual/install-guide/ch-d riverdisk.html for more information about installing disk drivers.

Online Help

Choosing Your

Partitioning Strategy

One of the largest obstacles for a new user during a Linus installation is partitioning. Red Hat Linus makes this process much simpler by providing an option for automatic p artitioning.

By selecting automatic partitioning, you will not have to use partitioning tools to assign mount points, create partitions, or allocate space for your

Disk Partitioning Setup

Automatic Partitioning sets up your partitioning based on your Installation type. You also can customize the resulting partitions to meet your needs.

The manual disk partitioning tool. Disk Druid, allows you to set up your partitions In an interactive environment. You can set the filesystem types, mount points, size and more In this easy to use, powerful Interface.

fdlsk Is the traditional, text-based partitioning tool offered by Red Hat. Although It is not as easy to use, there are cases where fdlsk Is preferred.

C Have the Installer automatically partition for you fî Manually partition with Disk Druid

C Manually partition with fdlsk [experts only]

Hide Help

Release Notes

<i Back

Next

Figure 1-7 Red Hat 7.2 - Partitioning

8. On the following screen, you can select the method you would like to use to partition your Hard Disk(s). Select Manually partition with Disk Druid to partition the disks. We chose this because the automatic process will not provide an optimal partitioning scheme. Click Next to continue.

Figure 1-8 Red Hat 7.2 - Unreadable Partition Table

9. Next, you may see a message indicating that the partition table is unreadable. This usually happens when you have new, unformatted disks. Click Yes to initialize each of the drives installed in your system. This message will not always appear.

Online Help

Partitions

Choose, where, you would like Red Hat Linus to be installed,

If you do not know how to partition your system; pleasereadthe section on p artitioning in the Red Hat Linux Installation Guide,

If you used automatic partitioning, you can either accept the current partition settings (click Next), or modify the setup using Disk Druid, the manual partitioning tool.

If you just finished partitioning with fdisk, vou must define mount f Hide Help

Disk Setup

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1 9921

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Release Notes

Back

Figure 1-9 Red Hat 7.2 - Drive Geometry

10.We are now ready to partition our disks. Have a look at 1.1.3, "Partitions" on page 20 for the recommended partitions and their respective sizes. You might also want to review "Linux performance" on page 212 for alternate configurations using software RAID and LVM (Logical Volume Manager).

Important: If you have existing partitions from another operating system on your machine, you need to delete these before you can create the Linux partitions. Once the old partitions are deleted, proceed with the next step.

11.As shown in Figure 1-9 on page 33, click New to create your partitions.

Important: You can only have four primary partitions for each hard disk drive. If you need to create more than four partitions, create three primary partitions and one extended partition that uses all the remaining disk space. You can then create all subsequent partitions in this extended partition.

Figure 1-10 Red Hat 7.2 - Creation of the / (root) partition

12.A window will be displayed, as shown in Figure 1-10 on page 34, to allow you to enter all relevant information for creating a partition.

a. To specify the mount point of a partition, either select it from the Mount Point drop down box or type it in the field provided. We selected / in order to create the root partition.

b. If you have more than one hard drive in your system, the partition will be created on any one of the selected drives. Deselect all drives except the one that is to hold the partition. The blue line indicates that the / root partition should only be created on sda.

Note: sda is the first disk connected to the first SCSI controller, if the machine has a raid controller then it could be /dev/ida/c0d0. The first IDE drive would be /dev/hda c.

d. Enter the size of the partition. We opted for a 3 gig / 3000 Mb root partition.

e. In the Additional Size Options box, you have several options. We selected Fixed size since we wish to specify a 3 gig partition size.

f. Since it is safer to boot off a primary partition, we recommend that you select Force to be a primary partition for the boot partition (the partition that contains your root file system).

g. Select Check for bad blocks to be confident your drives are in good shape; this will take quite a bit of time for large drives.

Tip: To be safe, you should always select Check for bad blocks for all partitions you create.

h. Click OK once all information is entered correctly to create the partition.

13.To create the Swap partition, click New on the Disk Setup Screen (same step as shown in Figure 1-9 on page 33).

Online Help

Disk. Setup

Partitions

Filesystem Type: Choose where you wc Allowable Drives: like Red Hat Linus to t installed.

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Figure 1-11 Red Hat 7.2 - Selecting swap as the filesystem type

14.Click on the Filesystem Type drop-down and select swap just as in Figure 1-11 on page 35.

Online Help

Disk Setup

Partitions

Filesystem Type: Choose where you wc Allowable Drives: like Red Hat Linus to t installed.

If you do not know partition your system, (MB): please read the sectioi partitioning in the Red

Linux Installation Giu rtHUQ Müiiforlo ír.iin.,.' 1

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Figure 1-12 Red Hat 7.2 - Creation of the swap partition

15.Select the appropriate disk array (sda in our case) from the allowed Drives list, enter the size of the swap partition, and select Fixed Size. Click OK to create the swap partition. Our choices are shown in Figure 1-12 on page 36.

Figure 1-13 Red Hat 7.2 - Creation of the /var partition

16.Create the /var partition in the same manner as the previous partitions on sda. Since this is the last partition we are going to create on sda, you can select the Fill to maximum allowable size to use all remaining space. The results of our selections are shown in Figure 1-13 on page 37.

Online Help

Mount Point:

Partitions

Filesystem Type: Choose where you wc Allowahle Dt1ves like Red Hat Linus to t installed,

If you do not know hoi, partition your system, si;e (MB): pleas e read the s ectioi partitioning in the Red Linux Installatian Gm

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Figure 1-14 Red Hat 7.2 - Creation of the /translogs partition

17.The next partition we need to create is /translogs for the Domino Transaction Logs. Type /translogs into the Mount Point field - this is how you enter a mount point not available in the drop-down list. Since /translogs will utilize the entire disk, we specify disk array sdb in the Allowable Drives section then select Fill to maximum allowable size as shown in Figure 1-14 on page 38. This is the easiest way of utilizing the entire disk. Click OK to create the partition.

Online Help

Disk Setup

Partitions

Fllesystem Type: Choose where you wc A,lowable Dt1ves: like Red Hat Linux to I installed.

If you do not know hoi partition your system, size (MB):

Mount Point:

/local ext3

sda: VMware, VMware Vlrtua sdb: VMware, VMware Vlrtua scic VMware, VMware Virtua pleas e read the s ectioi partitioning in the Red

Linux Installation Giu

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Figure 1-15 Red Hat 7.2 - Creation of the /local partition

18.Next, click New then enter /local in the Mount Point field. We specified that the partition should be created on sdc, and that it should use all available space. Figure 1-15 on page 39 shows our selections.

Online Help

Partitions

Cho o s e where you would like Red Hat Linus to be installed,

If you do not know how to partition your system, please read the section on partitioning in the Red Hoi

Linux Inst/xll/xtion Guide.

If you used automatic partitioning, you can either accept the current partition settings (click Next), or modify the setup using Disk Druid, the manual partitioning tool.

If you just finished partitioning with fdisk, vau-rmisf. r: :•:»»• mount.

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Figure 1-16 Red Hat 7.2 - Final Partition list

19.You can see all the partitions we created in Figure 1-16 on page 40. Click Next to write the partition table to disk.

Online Help

Boot Loader Installation

New to Red Hat Linux 72, GRUB is a software boot loader that can be used to start Red Hat Linus on your computer. It can also start other operating systems, such as Windows 9x. Here, you'llbe asked how (or whether) you want to configure a boot loader and which one (GRUB or LILO).

Choose which bootloader you want to install, If you would rather us e the legacy bootloader, LILO, make sure it is selected

Boot Loader Configuration

Please select the boot loader that the computer will use. GRUB is the default boot loader. However, If you do not wish to overwrite your current hoot loader, select "Do not Install a hoot loader."

ff Use GRUB as the hoot loader C Use LILO as the boot loader C Do not Install a hoot loader

Install Boot Loader record on:

ff /dev/sda Master Boot Record (MBR) C /dev/sdal First sector of boot partition Kernel Parameters:

Force use ofLBA3Z (not normally required)

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Type:ext3

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Partition: /dev/sdal |7 Default boot Image

Boot label: Red Hat Linux

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Figure 1-17 Red Hat 7.2 - Boot Loader Installation

Next

Attention: If the boot partition of the system you are installing is on an IDE hard drive and it is stored on a section of the hard drive that is located beyond 1024 cylinders, select Force use of LBA32. The boot loader has to do special processing to address more than 1024 cylinders when booting the system from such a partition.

20. Figure 1-17 on page 41 shows the boot loader options.

A boot loader is the first software program that runs when a computer starts. It is responsible for loading and transferring control to the operating system kernel software, which then loads the operating system. A boot loader can be used to start Linux and other operating systems, such as Windows or OS/2. examples of boot loaders are GRUB and LILO for Linux and NTLDR for Windows NT/2000.

Since GRUB (Grand Unified Boot Loader) is the default boot loader for Red Hat, we will use it. Be sure to specify that the boot record should be installed in the MBR (Master Boot Record). All other default options can be accepted.

Tip: If you are removing Linux from a machine and re-installing another operating system, you need to first clear the Master Boot Record. Otherwise, the system will try and boot Linux, which was just overwritten with the re-installed operating system. To do this, first boot up with a Windows 98 diskette, and run the following command to clear the Master Boot Record:

FDISK /MBR

Now you can reboot the system and start the installation of your new OS.

Figure 1-18 Red Hat 7.2 - GRUB Password

21.You can set a password to protect GRUB as shown in Figure 1-18 on page 42. We recommend that you set a password to prevent unauthorized changes to the GRUB boot parameters. If the password is too short, a message will be displayed and you will have to enter a longer password.

Online Help

Network Configuration

Choose your network card and whether you would like to configure usingDHCP, If you have multiple Ethernet devices, each device will have its own configuration screen, You can switch between device screens, (for example ethO and ethl); the information you give will be specific to each screen. If you select Activate on boot, your network card will be started when you boot.

If you do not have DHCP client access or are

Network Configuration ethO I

I- Configure using DHCP |7 Activate on boot

IP Address: Netmask: Network: Broadcast:

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1 0.5.33.255

Hostname: Gateway: Primary DNS: Secondary DNS: Ternary DNS:

itsoredhat.lotus.com

10.5.33.254

Hide Help

J' Release Notes

<m Back

Next

Figure 1-19 Red Hat 7.2 - Network Configuration

22.Figure 1-19 on page 43 shows the window used to set up networking. Enter the following information:

a. Deselect Configure using DHCP.

b. Select Activate on Boot.

c. Enter a suitable IP Address, Netmask, Hostname, Gateway and Domain Name Server; the Network and Broadcast addresses are automatically calculated for you. These are the lowest and highest IP Addresses of your IP Network. If you have alternate DNS servers, they can be specified in Secondary DNS and Ternary DNS.

d. Click Next to continue.

Figure 1-20 Red Hat 7.2 - Firewall Configuration

23.Red Hat gives you the option to utilize a firewall. Since our network has a dedicated firewall, we chose not to install one on the server. Click Next to continue.

Note: For performance reasons the Domino server should not act as a firewall.

Online Help

Language

Support

Selection

Select a language to use as the default language. The default language will h e the language us ed on your Red Hat Linus system once installation is complete, If you choose to install other languages, it is possible to change the default language after the installation.

Red Hat Linus can alternately install and support several languages. To use more than one language on

Additional Language Support

Choose the default language for this system: IEnglish (USA)

Choose additional languages you would like to use on this system:

□ English (Great Britain)

□ English (Philippines)

□ Faroese (Faroe Islands)

□ French (Switzerland)

'à Hide Help f Release Notes

Select all

Reset

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Next It

Figure 1-21 Red Hat 7.2 - Language Support Selection

24.Select the default language, and any additional languages, that will be used on your Red Hat system after installation.

Figure 1-22 Red Hat 7.2 - Time Zone Selection

25.The Time Zone Selection window is displayed as shown in the next screen. Set the correct time zone for your installation. Be sure to choose the correct hardware clock setting for your system. If your PC's clock is set to UTC or GMT, select System clock uses UTC. Change the View of the map by selecting your area from the View drop down list. Select your time zone by clicking on a specific city. Click Next once you have made your selections.

Tip: For countries with Daylight Saving, we recommend that you set the BIOS clock to GMT and select System clock uses UTC.

Online Help

Account Configuration

Note: Setting up a root account andpasswor one of the mo st imp oi steps during your installation. Your root account enables you1 install packages, upgi RPMs and do most system maintenance. Logging in as root giv you complete control your system and is ve powerful,

Account Configuration

Enter the password for the root user (administrator) of this system.

Root Password: Confirm:

Root password accepted.

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User Name:

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Full Name:

ITSO Domino Account

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accepted.

ither users of this rsonal login account, need to use this idltlonal user

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X Cancel

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Edit

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J' Release Notes

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E> Next

Figure 1-23 Red Hat 7.2 - Root password and Notes account creation

26.Enter the password you want to set for user root. The root user is also known as the Super User and is equivalent to the NT Administrator account. This account has full control over the system.

You should add at least one user to the system to proceed so you might as well add the Notes account now. Once the root password has been accepted, click Add to add a new user to the system as shown in Figure 1-23 on page 47. After you enter the requisite information and click OK, you may add more users or else click Next to continue.

Figure 1-24 Red Hat 7.2 - Authentication Configuration

27.The Authentication Configuration screen is displayed. Make certain both Enable MD5 passwords and Enabled shadow passwords are check then click Next to continue.

Figure 1-25 Red Hat 7.2 - Package Selection

28.The Package Group Selection screen is displayed. Use the scroll bar on the side of the screen to see more selections. If a button has a tick mark, the package is selected for installation; if it is blank, it will not be installed. We recommend that you select the same packages for your installation as we did. If you are going to use Gnome for your Graphical User Interface (GUI), then you do not need to select KDE unless you want both GUIs available to your administrators. Here is a list of the packages we selected:

- X Window System -the Base X-Window Manager

- KDE - Graphical User Interface

- Network Support - Allows TCP/IP Networking

- Utilities - various System Utilities

- Software Development - various compilers needed for system adjustments

- Kernel Development - useful for a number of reasons, including allowing you to recompile the kernel to reduce its size by removing unnecessary drivers

Deselect everything else and click Next to continue.

Online Help

Video

Configuration

Although, the installation program probes to determine the b est video card for your system, you can choose another video card if needed.

Once you have selected your video card, choose the amount of video RAM present on your card.

If you decide that the values you have selected are incorrect, us e the Restore original values button to return to the suggested probed settings,

Graphical Interface (X) Configuration

In most cases your video hardware can be probed to automatically determine the best settings for your display.

If the probed settings do not match your hardware, select the correct hardware settings below:

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Figure 1-26 Red Hat 7.2 - Video Configuration

29.The Graphical Interface (X) Configuration screen is displayed. The installation will select a card based on the results of its probe; you can override this and select the graphics card that is installed in your machine from the list. If you are uncertain of the specific card installed in your system, Generic SVGA will usually work.

Click Next once you are satisfied with the selections.

Figure 1-27 Red Hat 7.2 - Installation of Packages

30.The install program is now ready to copy the software from the CD-ROM to your hard disk drive. Click Next to start the process as shown in Figure 1 -27 on page 51.

First, the partitions will be checked for errors then they will be initialized (formatted). Once this is done, the actual installation begins.

After all packages are copied from the first CD, you might be prompted to enter additional CDs depending on the packages selected. When prompted, change CDs and click Continue.

Note: If you are installing from DVD then you will not have to change the disc.

Figure 1-28 Red Hat 7.2 - Boot Disk Creation

31.Once the install is complete, you can create a boot disk. We recommend that you create this boot disk and keep it in a safe place. This disk will be used to recover your system should it become unbootable. Insert a floppy disk that can be overwritten into the floppy drive of your machine and click Next to create the boot disk.

Online Help

Monitor Selection

The installation program will now attempt to detect your monitor to determine your machine1 s b est display settings. If the monitor cannot be detected, choosethe monitor that best matches the mo del attached to this computer from the monitors listed.

You may also enter the horizontal and vertical synchronization ranges for your monitor. These values can b e found in the documentation for your display, Be careful when

Monitor Configuration

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Figure 1-29 Red Hat 7.2 - Monitor Selection

32.On the Monitor Configuration screen, you can select the Monitor that is attached to your machine.

For the same reason as in step 29 on page 50, we selected a Generic Monitor with a 1024x768 resolution since it will generally work on all monitors. If your monitor is not listed, and you know the capabilities of your monitor, specify the Horizontal and Vertical refresh rates that your monitor supports. Click Next to continue.

Figure 1-30 Red Hat 7.2 - Custom X Configuration

33.On the Customize Graphics Configuration screen (Figure 1-30 on page 54), you can select the color depth, screen resolution, desktop environment, and login type. We recommend that you run a graphical login, using the KDE desktop with 1024x768 screen resolution. Once you have made your selections, click on Test Setting to ensure that your system will function once you reboot.

Once the screen displays correctly, click Next to accept your settings.

Figure 1-31 Red Hat 7.2 - Congratulations - Installation complete

34.When the window shown in Figure 1-31 on page 55 is displayed, the installation of Red Hat 7.2 is complete. Click Exit to restart the system.

This completes the Red Hat 7.2 Installation process.

If you would like to view the KDE logon process, you can take a look at step 38 on page 94 since KDE is very similar for both Red Hat 7.2 and SuSE 8.0.

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