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Old 07-20-2003, 04:30 PM   #1
Tarball_Phreak
LQ Newbie
 
Registered: Jul 2003
Location: Virginia
Distribution: Red Hat 9
Posts: 6

Rep: Reputation: 0
Complete n00b needs help with rh9 kernel recompile


I have installed Red Hat linux 9 and to unlock the full potential of my computer wish to enable things such as dma and other hardware features. I have found that I must configure and recompile my linux kernel to achieve this. I have seen a graphical kernel config utility and I was wondering how to access it from the console and what are the commands to recompile the kernel? THanx
 
Old 07-20-2003, 04:44 PM   #2
fancypiper
LQ Guru
 
Registered: Feb 2003
Location: Sparta, NC USA
Distribution: Ubuntu 10.04
Posts: 5,141

Rep: Reputation: 60
The X kernel configuration (make xconfig IIRC) tool won't run in a virtual console, it runs in X.

Perhaps you heard about make menuconfig.

Red Hat 9 Appendix A. Building a Custom Kernel
The Linux Kernel HOWTO

# Compiling/installing kernel modules
You will need to have installed:
1. The developmental packages (compiler)
2. The kernel source code that matches your running kernel
3. The module source or install code

Check out your system and see what's under the hood and see if you installed the stuff you need to do the job. Open an x terminal and type in this sequence of commands to see what kernel we are running and see if you have the kernel source installed:
Code:
[fancy@tinwhistle phil]$ su -
Password: 
[root@tinwhistle root]# uname -r
2.4.18-3
I am running kernel version 2.4.18-3. Do I have the proper source code?
Code:
[root@tinwhistle root]# cd /usr/src
[root@tinwhistle src]# ls -alc
total 3
drwxr-xr-x    4 root     root          136 Jun 12 14:53 .
drwxr-xr-x   16 root     root          424 Jun  4 12:04 ..
lrwxrwxrwx    1 root     root           14 Jun  4 12:11 linux-2.4 -> linux-2.4.18-3
drwxr-xr-x   16 root     root          584 Jun  4 12:11 linux-2.4.18-3
drwxr-xr-x    7 root     root          168 Jun  4 12:08 redhat
[root@tinwhistle src]#
I do have the same kernel version source code installed in the directory /usr/src/linux-2.4.18-3 and there is a symbolic link named linux-2.4 pointing to it.

If you don't see something similiar to this (but in color), you will need to install the kernel source.

NOTE: I noticed that Red Hat didn't make the symbolic link /usr/src/linux that all of the INSTALL files that I have read mentioned that I need, so I may as well make one now to save editing the files in the source code to install.So, I'll make it just now:
Code:
[root@tinwhistle src]# ln -s linux-2.4.18-3 linux         
[root@tinwhistle src]# ls -alc
total 3
drwxr-xr-x    4 root     root          160 Jun 12 15:46 .
drwxr-xr-x   16 root     root          424 Jun  4 12:04 ..
lrwxrwxrwx    1 root     root           14 Jun 12 15:46 linux -> linux-2.4.18-3
lrwxrwxrwx    1 root     root           14 Jun  4 12:11 linux-2.4 -> linux-2.4.18-3
drwxr-xr-x   16 root     root          584 Jun  4 12:11 linux-2.4.18-3
drwxr-xr-x    7 root     root          168 Jun  4 12:08 redhat
[root@tinwhistle src]#
Ah, there it is, so that's done.

Next, did I install the compiler?
Code:
[root@tinwhistle src]# gcc -v          
Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/2.96/specs
gcc version 2.96 20000731 (Red Hat Linux 7.3 2.96-113)
[root@tinwhistle src]#
Yes, I have a compiler installed.

If you don't have those two things installed, you have to install them first off your install CD.

If they are installed, download the source and happy comiling. Make sure you carefully read the README and INSTALL files after extracting and before compiling/installing.

# Redhat links
RedHat Linux Manuals
Get your mp3 support here
Maximum RPM
rpmfind
Easier software management: apt4rpm - Red Carpet
RedHat 8.0 Tips & Tricks

# Redhat 7.3 down configuration commands
setup leads to several configuration tools

# Redhat 7.3 up configuration commands
Configure soundcard:
redhat-config-soundcard
Configure X server:
redhat-config-xfree86
Configure network:
redhat-config-network
Manage software:
redhat-config-packages

# Handling NTFS
New Technology FileSystem (NTFS) HOWTOs
Linux NTFS project

Last edited by fancypiper; 07-20-2003 at 04:47 PM.
 
Old 07-21-2003, 07:18 PM   #3
slapNUT
Member
 
Registered: Jun 2001
Location: Recycle Bin
Distribution: Linux & Everything else on VirtualBox
Posts: 144

Rep: Reputation: 15
Don't forget to read /usr/src/linux/README.
and /usr/src/linux/Documentation/Changes

Last edited by slapNUT; 07-21-2003 at 07:19 PM.
 
Old 07-21-2003, 07:25 PM   #4
Pcghost
Senior Member
 
Registered: Feb 2003
Location: The Arctic
Distribution: Fedora, Debian, OpenSuSE and Android
Posts: 1,820

Rep: Reputation: 46
I recomend the 2.4.21 kernel. It compiles without the problems associated with later kernels. Wow, it is wierd to see the word "newbie" near the name SlapNut. Good to see you again..
 
  


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