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Red Hat Linux 7.1 Documentation Errata

If you find any errors in the Red Hat Linux documentation, or just have a suggestion, please read the Submitting Documentation Errata page.

x86 Installation Guide

Partitioning your System - The maximum swap file size should be 2048 MB (or 2 GB).

It should read:

A swap partition (at least 32 MB) - swap partitions are used to support virtual memory. In other words, data is written to a swap partition when there is not enough RAM to store the data your system is processing. If your computer has 16 MB of RAM or less, you must create a swap partition. Even if you have more memory, a swap partition is still recommended. The minimum size of your swap partition should be equal to twice your computer's RAM, or 32 MB, whichever amount is larger, but no more than 2048 MB (or 2 GB). In Disk Druid, the partition field for swap should look similar to the following:

     <Swap>  hda6  64M   64M  Linux swap

Installing over a Network and Selecting an Installation Method

Reminder regarding NFS, FTP, or HTTP installations -- Because the Red Hat Linux 7.1 installation program is capable of installing Red Hat Linux from multiple CD-ROMs, if you intend to support NFS, FTP, or HTTP installations it is no longer possible to simply mount a single Red Hat Linux CD-ROM, and install from it.

Instead, you must copy the RedHat directory from each CD-ROM comprising Red Hat Linux 7.1 onto a disk drive:

  • Insert CD 1 
    mount /dev/cdrom /mnt/cdrom
cp -var /mnt/cdrom/RedHat /location/of/disk/space
umount /mnt/cdrom
  • Insert CD 2 
    mount /dev/cdrom /mnt/cdrom
cp -var /mnt/cdrom/RedHat /location/of/disk/space
umount /mnt/cdrom
  • You must then make /location/of/disk/space accessible to the installation program (for example, exporting it for NFS installations)

You are Unable to Boot Red Hat Linux

The second step 

2. Boot from the boot diskette included in the boxed set.
should read 
2. Boot using a boot disk you have created.

The boxed set no longer includes a boot diskette. To create a boot disk, follow the instructions in the section Making Installation Diskettes in Chapter 2 to make an updated boot disk for your system.

Getting Started Guide

The Getting Started Guide mentions linuxconf in the following places:

Creating a user account

Forgotten Password

Linuxconf is not installed by default unless you perform an "everything" install. To install linuxconf from the installation CDs:

  • Insert the Red Hat Linux CD 2 in your CD-ROM drive.
  • Open a terminal and type: 
    su -

    Enter the root password when prompted.

  • Now type: 
    cd /mnt/cdrom/RedHat/RPMS

    Press [Enter].

  • Now type: 
    rpm -Uvh *linuxconf*.rpm

    Press [Enter].

    rpm -Uvh is the command that installs files and replaces any older versions of these files that might be on your system. Once you press [Enter], linuxconf is installed.

If you get an error message when you type cd /mnt/cdrom your CD-ROM drive is probably not mounted. To correct this, stay logged in as root and, at the command line, type: 

 mount /dev/cdrom /mnt/cdrom
Press [Enter]. Then follow the above steps for installing linuxconf from the CD.

Customization Guide

Kickstart Options - The langsupport option is missing from the kickstart documentation. It should read as follows:

langsupport

langsupport (optional)

Set the language to use after installation. To set the language used during installation, use lang. For example, 

langsupport en_US

The same language codes used with lang can be used with langsupport.

Linuxconf - Linuxconf is not installed by default unless you perform an Everything installation. Refer to the Getting Started Guide errata to install linuxconf.

Reference Guide

Sysconfig Information

The /etc/sysconfig/vncservers file configures how the Virtual Network Computing (VNC) server starts up. VNC is a remote display system which allows you to view a desktop environment not only on the machine where it is running but across different networks (from a LAN to the Internet) and using a wide variety of machine architectures.

It may contain the following:

VNCSERVERS=value, where value is set to something like 1:fred, to indicate that a VNC server should be started for user fred on display :1. User fred must have set a VNC password using vncpasswd before attempting to connect to the remote VNC server.

Note that when you use a VNC server, your communication with it is unencrypted, and so it should not be used on an untrusted network. For specific instructions concerning the use of SSH to secure the VNC communication, please read the information found at http://www.uk.research.att.com/vnc/sshvnc.html. To find out more about SSH, please refer to the Official Red Hat Linux 7.1 Reference Guide and the Official Red Hat Linux 7.1 Customization Guide.

Using Sendmail with LDAP

The line: 

FEATURE('ldap_routing')dnl
in the example /etc/mail/sendmail.mc file should read: 
FEATURE(ldap_routing)dnl
To fix this errata on a system running Sendmail, change this value in the /etc/mail/sendmail.mc file and use the m4 macro processor to create a new /etc/sendmail.cf Sendmail configuration file. Then, restart Sendmail.