txt » kernel

Kernel Version

Binny V A — Tue, 01 Apr 2008 18:14:22 +0000

Get the version of the kernal


cat /proc/version
OR
uname -r

Get Kernel Version

Binny V A — Thu, 28 Feb 2008 17:41:16 +0000

Show version of the kernel


cat /proc/version

lsmod – Show Loaded Kernel Modules

Binny V A — Thu, 03 Jan 2008 18:06:30 +0000

This command shows the kernel modules that are currently loaded.


# lsmod

Module                  Size  Used by
vboxdrv                55088  0
autofs4                20421  2
ipt_MASQUERADE          6721  1
iptable_nat             9669  1
nf_nat                 18669  2 ipt_MASQUERADE,iptable_nat
nf_conntrack_ipv4      11717  2 iptable_nat
nf_conntrack           51977  4 ipt_MASQUERADE,iptable_nat,nf_nat,nf_conntrack_ipv4
....

Remove an existing Kernel

Binny V A — Tue, 10 Apr 2007 19:17:09 +0000

The final numbers(2.6.20.6) is the version of you kernel. You can get this using uname -r (for the current kernel)

rm -rf /lib/modules/2.6.20.6
rm /boot/System.map-2.6.20.6
rm /boot/vmlinuz-2.6.20.6
rm /boot/initrd-2.6.20.6.img
rm /boot/config-2.6.20.6

Compiling a 2.6 Linux kernel

Binny V A — Tue, 10 Apr 2007 13:13:34 +0000

Get the latest Kernel from kernel.org

Get a default .config file

cp /boot/config-`uname -r` ./.config


OR
make defconfig
Then configure the kernel - the hardest part  
make xconfig
Compile/Install it
make
make modules_install
make install
[tags]kernel,linux,command,compile,configure,xconfig[/tags]