Red Hat ENTERPRISE LINUX AS 2.1 - Przewodnik Instalacji Pobierz pdf (Strona 31)

Chapter 2. Installing Red Hat Enterprise Linux 23

• The amount of physical RAM is installed on the machine.

• The version of the OS.

Swap should equal 2x physical RAM for up to 2 GB of physical RAM, and then 1x physical RAM

for any amount above 2 GB, but never less than 32 MB.

Using this formula, a system with 2 GB of physical RAM would have 4 GB of swap, while one

with 3 GB of physical RAM would have 5 GB of swap. Creating a large swap space partition can

be especially helpful if you plan to upgrade your RAM at a later time.

Tip

If your partitioning scheme requires a swap partition that is larger than 2 GB, you should create

an additional swap partition. For example, if you need 4 GB of swap, you should create two 2 GB

swap partitions. If you have 4 GB of RAM, you should create three 2 GB swap partitions. Red Hat

Enterprise Linux supports up to 32 swap ﬁles.

For systems with really large amounts of RAM (more than 32 GB) you can likely get away with a

smaller swap partition (around 1x, or less, of physical RAM).

• A /boot/ partition (100 MB) — the partition mounted on /boot/ contains the operating system

kernel (which allows your system to boot Red Hat Enterprise Linux), along with ﬁles used during

the bootstrap process. Due to the limitations of most PC BIOSes, creating a small partition to hold

these ﬁles is a good idea. For most users, a 100 MB boot partition is sufﬁcient.

• A root partition (500 MB - 5.0 GB) — this is where "/" (the root directory) is located. In this

setup, all ﬁles (except those stored in /boot) are on the root partition.

A 500 MB partition allows you to install a minimal installation, while a 5.0 GB root partition lets

you perform a full installation, choosing all package groups.

2.13.5. Editing Partitions

To edit a partition, select the Edit button or double-click on the existing partition.

Note

If the partition already exists on your hard disk, you can only change the partition’s mount point. To

make any other changes, you must delete the partition and recreate it.

2.14. Network Conﬁguration

If you do not have a network device, this screen does not appear during your installation and you

should advance to Section 2.15 Firewall Conﬁguration.

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Red Hat ENTERPRISE LINUX AS 2.1 - Przewodnik Instalacji Strona 31