How to Find Linux Kernel Version
To find information about current running Linux kernel execute the command uname. The most important options are:
- uname -a Print all information about the Linux OS.
- uname -o Print the name of the OS.
- uname -r Print Kernel release information.
- uname -v Print the version of the Kernel.
Example
[leon@localhost ~]$ uname -a
Linux localhost.localdomain 2.6.30.9-96.fc11.i586 #1 SMP Tue Nov 3 23:33:04 EST 2009 i686 i686 i386 GNU/Linu
How to Find All Installed Kernel Versions
Use the command rpm combined with grep to retrieve information about all Linux kernels installed on Fedora Core.
Example
[leon@localhost ~]$ rpm -qa | grep kernel
kernel-2.6.30.5-43.fc11.i586
kernel-2.6.30.9-96.fc11.i586
kernel-2.6.30.8-64.fc11.i586
kernel-headers-2.6.30.9-96.fc11.i586
kernel-PAE-devel-2.6.30.5-43.fc11.i686
kerneloops-0.12-5.fc11.i586
kernel-PAE-devel-2.6.30.9-96.fc11.i686
kernel-PAE-devel-2.6.30.8-64.fc11.i686
kernel-firmware-2.6.30.9-96.fc11.noarch
How to Delete a Kernel
To delete an existing Linux kernel log as root user and execute rpm with the erase option.
Example
[root@localhost ~]# rpm -e kernel-PAE-devel-2.6.30.8-64.fc11.i686
Manual
rpm
grep
uname
See Also
Unix Programming Resources
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