How to delete the old kernel of the UbuntuLinux Operating System

Article Title: how to delete the old kernel of the UbuntuLinux Operating System. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.

After using Ubuntu for a while, you will find that many kernels are installed in the system due to automatic upgrades. As I have installed so many of the following, this leads to a long startup list. You must delete unnecessary items.

First, use the following command to list all installed kernels. In the following table, the kernel files with images are used. Select the package to be uninstalled and use apt-get to uninstall the package.

[Tc @ ibm: ~] $ Dpkg -- get-selections | grep linux

Libselinux1 install

Install linux-386

Install linux-image-2.6.15-23-386

Install linux-image-2.6.15-27-386

Install linux-image-2.6.15-27-686

Install linux-image-2.6.15-28-386

Deinstall linux-image-2.6.15-28-686

Install linux-image-386

Linux-kernel-headers install

Install linux-restricted-modules-2.6.15-23-386

Install linux-restricted-modules-2.6.15-27-386

Install linux-restricted-modules-2.6.15-27-686

Install linux-restricted-modules-2.6.15-28-386

Deinstall linux-restricted-modules-2.6.15-28-686

Install linux-restricted-modules-386

Linux-restricted-modules-common install

Linux-sound-base install

Util-linux install

The specific uninstall method is

Sudo apt-get remove linux-image-2.6.15-23-386

In this way, the kernel files can be automatically deleted and the disk space can be released.

In addition, you need to record a command.

Uname-

Use this command to view the Kernel used by the current system.