Red Hat 8.1 Installation Manual Page 2

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(The following Linux distributions are also supported:
SuSe 6.3 or 6.4
TurboLinux 6.0.2
Caldera eServer 2.3
(The eServer requires the following patches from
ftp://ftp.caldera.com/pub/.eServer/updates/2.3/current/RPMS/:glibc-2.1.2-2S.i386.rpm
,
glibc-devel-2.1.2-2S.i386.rpm, glibc-devel-static-2.1.2-2S.i386.rpm, glibc-localedata-2.1.2-
2S.i386.rpm)
(Red Hat seems to better supported by Oracle than other Linux distributions).
When performing the Red Hat installation:
1) Partition the hard disk as you see fit.
a) Make one or more mount points for the Oracle software and the database. You can
optionally choose to adhere to the Oracle OFA standard. In order to achieve the highest level
of performance, each of the mount points should be on separate partitions on distinct hard
drives.
b) The total size of your swap partitions should be equivalent to 2 (to 3) times the installed
RAM, or 400MB, whichever is larger.
2) If you decide to perform a Red Hat CUSTOM installation, be sure to install:
a) X Windows.
b) GNOME or KDE desktop.
c) Development packages.
3) Kernel memory parameters
The Oracle installation manual lists some kernel parameters which Oracle says need to be
changed before installing the software.
The default kernel parameters that Red Hat uses when creating their kernel is adequate for
Oracle, as most of them meet or exceed Oracle's requirements.
The only parameter that you might have to change is SHMMAX. The Red Hat value for this
parameter is set to 32 meg (33554432). If your system has more than 64 meg of RAM and you
really want a large SGA, you might consider increasing this parameter's value (although due to
the complexity of doing so, this is not recommended unless you are experienced in rebuilding
the Linux kernel).
If you want to change the value of SHMMAX, you must install the Red Hat kernel source
RPMS from the Red Hat installation CD (so that the kernel can later be recompiled).
Log in as root and perform the following:
1) Insert the RedHat CD into your CDROM drive.
2) Mount it (if it does not automatically mount itself), by typing:
mount -t iso9660 /dev/cdrom /mnt/cdrom
(This assumes that /dev/cdrom is a symbolic link to your CDROM device. If this is
not the case, substitute your CDROM device specification for /dev/cdrom in the
mount command).
3) Move to the /RedHat/RPMS directory:
cd /mnt/cdrom/RedHat/RPMS
4) Install the kernel source RPM:
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