Kernel version management for Ubuntu systems

1. View Ubuntu version number:

Method One:

Cat/etc/issue

return Result:

Ubuntu 6.06.2 LTS \ \l

Method Two:

sudo lsb_release-a

return Result:

No LSB modules are available.

Distributor Id:ubuntu

Description:ubuntu 6.06.2 LTS

release:6.06

Codename:dapper

Method Three:

Cat/etc/lsb-release

return Result:

Distrib_id=ubuntu

distrib_release=6.06

Distrib_codename=dapper

distrib_description= "Ubuntu 6.06.2 LTS"

2. View Kernel version number:

Method Four:

Cat/proc/version

return Result:

Linux version 2.6.15-51-386 (buildd@palmer) (gcc version 4.0.3 (Ubuntu 4.0.3-1ubuntu5)) #1 preempt Tue Oct 21:42:16 UTC 2007

Method Five:

Uname-a

return Result:

This column more highlights: http://www.bianceng.cn/OS/Linux/

Linux jpsiteserver 2.6.15-51-386 #1 preempt Tue Oct 21:42:16 UTC 2007 i686

Method Six: Just view the kernel version

Uname-r

return Result:

2.6.15-51-386

3.ubuntu Kernel Version Management:

1. Find the kernel version that the system has installed and enter the command in the terminal:

Dpkg--get-selections | grep linux-image

The installed kernel in the system is then displayed, for example:

flc@ubuntu:~$ dpkg--get-selections | grep linux-image

Linux-image-3.0.0-12-generic Install

Linux-image-3.0.0-19-generic Install

Linux-image-3.0.0-20-generic Install

Linux-image-generic Install

dpkg--get-selections [< expression > ...] Print the list of selected packages to standard output;

grep linux-image Matching lookup;

UNAME-A view the installed Linux kernel version.

2. Uninstall the old kernel version and enter the command in the terminal:

sudo apt-get remove linux-image-3.0.0-12-generic linux-image-3.0.0-19-generic