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Kernal Version on VPS, Dedicated

Linux Kernal Version
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The ‘uname’ command is use to determine certain system information in all the Linux/Unix flavours like CentOS, Ubuntu, Debian, Fedora, FreeBSD etc. With specific ‘uname’ options, you can display all the details of the current working kernel on the server.

To display the working kernel name, version, date and time, system architecture type, use:

# uname -a

Linux server.domain.tld 2.6.18-164.11.1.el5 #1 SMP Wed Jan 20 07:39:04 EST 2010 i686 i686 i386 GNU/Linux

To print only the kernel version along with it’s major and minor versions:

# uname -r


To print the system architecture type i.e. whether the machine is 32 or 64 bit, use:

# uname -p

The /proc/version file also contains the kernel information:

# cat /proc/version

Linux version 2.6.18-164.11.1.el5 (gcc version 4.1.2 20080704 (Red Hat 4.1.2-46)) #1 SMP Wed Jan 20 07:39:04 EST 2010

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