Kernel

Most commonly Used filesystems on Linux

Posted November 13th, 2005 by Sutha
in

The Linux kernel supports various filesystems. We'll explain ext2, ext3, ReiserFS, XFS and JFS as those filesystems are most commonly used on Linux systems.

ext2

ext2 is the tried and true Linux filesystem but doesn't have metadata journaling, which means that routine ext2 filesystem checks at startup time can be quite time-consuming. There is now quite a selection of newer-generation journaled filesystems that can be checked for consistency very quickly and are thus generally preferred over their non-journaled counterparts. Journaled filesystems prevent long delays when you boot your system and your filesystem happens to be in an inconsistent state.

Linux Kernel compilation mini-HOWTO for RedHat 8-9/Fedora Core (may apply to others)

Posted November 13th, 2005 by Thetargos
in

I post this, because when you are newbie to Linux and have certain problems getting your system to work, you often hear (or read in this case) that you should re-compile your kernel in order to get what you want working. Well that is exactly the reason I'm posting this. To aid those new comers to Linux (the Red Hat way).

Pre requisites

In order to be able to build a software package (and the kernel is no exception) you first must make sure to have all the relevant software packages installed on your Red Hat system to be able to do so. From the compiler (gcc) to the make environment (gmake, automake, autoconf), to diverse libraries needed. In order to accomplish this, and if you are new to Linux, often the recommendation as what to install is install everything!, to certain extent this is accurate, since you will not have to worry about any failed dependencies (some packages relay on very esoteric ones). But if you are limited on hard disk space or simply don't want to install all of the software packages that come with the distribution, you have an ally: redhat-config-packages. Open the program up and you should be presented with a window which contain all of the possible package that either are installed or can be installed on your system (you may have to supply root's password).

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