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Old 01-30-2008, 10:33 AM   #1
asimmunshi
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Registered: Jan 2008
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Question making sense of Version numbers


Dear all

On my system a cat /proc version yields

Linux version 2.6.9-42.0.3.ELsmp (brewbuilder@hs20-bc1-7.build.redhat.com) (gcc version 3.4.6 20060404 (Red Hat 3.4.6-3)) #1 SMP Mon Sep 25 17:28:02 EDT 2006

while a lsb_release -a yeilds

LSB Version: :core-3.0-ia32:core-3.0-noarch:graphics-3.0-ia32:graphics-3.0-noarch
Distributor ID: RedHatEnterpriseES
Description: Red Hat Enterprise Linux ES release 4 (Nahant Update 4)
Release: 4
Codename: NahantUpdate4

-----------------

Q1. Can you explain these
1. Linux version 2.6.9-42.0.3.ELsmp
2. brewbuilder@hs20-bc1-7.build.redhat.com
3. gcc version 3.4.6 20060404
4. Red Hat 3.4.6-3

Q2. How do I know whether I have a Red Hat Enterprise Server or Advanced Server? Does the ES in the lsb_release indicate Enterprise Server?

Q3. lsb_release says RedHat 4 while cat /proc/version gave me a Red Hat 3.4.6-3 ---> do these both indicate Red Hat 4.0?

Q4. Is there a command to view the patch level on Linux?


thanks
Asim

Last edited by asimmunshi; 01-30-2008 at 10:41 AM.
 
Old 01-30-2008, 11:17 AM   #2
ilikejam
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Registered: Aug 2003
Location: Glasgow
Distribution: Fedora / Solaris
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Hi.

1)
1. The kernel version is 2.6.9 Everything after that is added by RedHat to track their own package level
2. brewbuilder@hs20-bc1-7.build.redhat.com is the username and host used to build the kernel package. Not something for end-users to worry about, but could be useful to RedHat if there's a problem with the package
3. The GCC compiler version given is the version of GCC used by RedHat to compile the kernel.
4. See 1.3

2) Does the ES in the lsb_release indicate Enterprise Server? Very likely indeed. I'd have a look in /etc/redhat-release as well.

3) The /proc/version stuff after the kernel version is just the build machine details (see 1.3), so you can ignore it.

4) 'rpm -qa' will show the versions of all the packages on the system.

Dave
 
  


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