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Old 04-06-2005, 12:16 AM   #1
RHELL
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Unhappy RHCE exam: RHEL4 vs. RHEL3


I've taken RedHat's training for RHEL3, but they've changed the exam for v.4.
No specifics of course, but would the changes be profound enough to significantly affect my chances?
 
Old 04-06-2005, 01:03 AM   #2
t3gah
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I don't see why that would matter if you know Linux enough to get certified.
 
Old 04-10-2005, 10:40 AM   #3
ravee
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You have to understand that RHEL v4 build is similar to Fedora. And in case of Fedora, there is some changes w.r.t creating and resizing Logical Volume Manager .

RHEL v4 uses kernel 2.6 whereas RHEL v3 uses kernel 2.4.

Also in RHEL v3, the GUI utilities are named redhat-config-* whereas in RHEL v4 (I have not used it but I have used Fedora) it s name start with system-config-*.

Also Gnome is ver 2.8 whereas in RHEL v3 it is Gnome ver 2.4

There is also better support for more hardware.

Other than these, I don't think there will be major changes in RHEL v4 w.r.t RHEL v3.

I took my RHCE exam in RHEL v3.
 
Old 04-23-2007, 07:25 AM   #4
dayalan_cse
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Binary Compatibilty

Quote:
Originally Posted by ravee
You have to understand that RHEL v4 build is similar to Fedora. And in case of Fedora, there is some changes w.r.t creating and resizing Logical Volume Manager .

RHEL v4 uses kernel 2.6 whereas RHEL v3 uses kernel 2.4.

Also in RHEL v3, the GUI utilities are named redhat-config-* whereas in RHEL v4 (I have not used it but I have used Fedora) it s name start with system-config-*.

Also Gnome is ver 2.8 whereas in RHEL v3 it is Gnome ver 2.4

There is also better support for more hardware.

Other than these, I don't think there will be major changes in RHEL v4 w.r.t RHEL v3.

I took my RHCE exam in RHEL v3.

Hello ravee,

can you please help me to understand RHEL v3 to RHEL v4 Binary Compatibility.

My doubts are:

1. RHEL V3 compiled binary will work on RHEL v4 without having any Issue? if so how can we make sure glibc and kernel (RHEL V4) has back-ward support present in 2.6 kernel?
2. RHEL V3 compiled shared objects (.so) will it link with RHEL V4 built shared object while linking without any issue?
3. How can i make sure that my binary will work on RHEL V4, do i need test the compiler and linker and glibc version has back ward compatible.

help me to understand.

thanks & Regards
dayalan
 
  


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