RHEL-4
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RHEL-5
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RHEL-6
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RHEL 4 SELinux Block only 13 services
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RHEL 5
SElinux Block 80 services |
RHEL6 has advanced level of security. SELinux (Security Enhanced Linux)features are improved and a new set of SELinux rules has been added to provide security to virtual machines from hackers and attackers. This new feature is called SVirt.
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Ext2 is made the default filesystem
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Ext3 is made the default filesystem
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Ext4 is made the default filesystem
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no virtualization Feature
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virtualization with Hypervisor-V
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RHEL6 introduces the use of KVM (Kernel-based Virtual Machine) as its hypervisor. In the earlier releases kenhypervisor was used.
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In RHEL 4 we have no Yum
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RHEL 5 we have Yum available
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RHEL 6 we have Yum available
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Date of Release-2005-02-14
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Date of Release-2007-03-15
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Date of Release-2010-11-10
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Redaht Life-cycle dates
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Version
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Date Of Release
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End of support dates
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Red Hat Enterprise Linux 4
(Prior version outside of Regular Life Cycle)
|
2005-02-14
|
2009-03-31 (End of Production 1)
2011-03-31 (End of Production 2)
2012-02-29 (End of Production 3 / End of Regular Life Cycle) 2015-02-28 (End of Extended Life Cycle) |
Red Hat Enterprise Linux 5
(Prior version with varying degrees of support)
|
2007-03-15
|
2013-01-08 (End of Production 1)
Q1 2014 (End of Production 2)
2017-03-31 (End of Production 3 / End of Regular Life Cycle) Q1 2020 (End of Extended Life Cycle) |
Red Hat Enterprise Linux 6
( Current version )
|
2010-11-10
|
Q2 2016 (End of Production 1)
Q2 2017 (End of Production 2)
2020-11-30 (End of Production 3 / End of Regular Life Cycle) Q4 2023 (End of Extended Life Cycle) |
Red Hat Enterprise Linux 7
( Future version)
|
Scheduled for the second half of 2013
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Undisclosed
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