How to confirm RedHat Enterprise Linux version

Question

I am a bit confused by the fact that although I installed RHEL 5 1 from DVD  RedHat 5 1 x86 64   when I issue command   cat  etc redhat-release   I got   Red Hat Enterprise Linux Server release 5 5  Tikanga    What does this mean  is this to be the release version or kernel version  Is there another way to confirm the real version of RHEL   I am asking this question because there will be certain applications that would depend on this   Many thanks in advance

User · Accepted Answer

I assume that you ve run yum upgrade  That will in general update you to the newest minor release   Your main resources for determining the version are  etc redhat release and lsb release -a

User · Answer

That s the RHEL release version   You can see the kernel version by typing uname -r   It ll be 2 6 something

User · Answer

Avoid  etc  release  files and run this command instead  it is far more reliable and gives more details   rpm -qia   release

User · Answer

That is the release version of RHEL  or at least the release of RHEL from which the package supplying  etc redhat-release was installed   A file like that is probably the closest you can come  you could also look at  etc lsb-release   It is theoretically possible to have packages installed from a mix of versions  e g  upgrading part of the system to 5 5 while leaving other parts at 5 4   so if you depend on the versions of specific components you will need to check for those individually

[linux] How to confirm RedHat Enterprise Linux version?

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