Difference: CentOS7Upgrade (4 vs. 5)

Revision 52020-09-29 - WilliamSeligman

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META TOPICPARENT name="WilliamSeligman"

CentOS 7 upgrades

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Consequences

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The obvious one is that compiled for Scientific Linux 6 will probably not run on CentOS 7. At minimum, your analysis software will have to be recompiled. It's likely there will be version issues with libraries and such.
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The obvious one is that software compiled for Scientific Linux 6 will probably not run on CentOS 7. At minimum, your analysis software will have to be recompiled. It's likely there will be version issues with libraries and such.
  It's possible that your analysis software is tied to specific versions of external packages are not available on CentOS 7. It may be necessary to rewrite some programs and scripts.
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Why not CentOS 8?

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There's some logic to this question. CentOS 7 will cease to be supported on 30-Jun-2024, which means in less than five years we have to go through the exercise again. If we go to CentOS 8 now, we wouldn't have to upgrade until 2029.
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There's some logic to this question. CentOS 7 will cease to be supported on 30-Jun-2024, which means in less than five years we have to go through this exercise again. If we go to CentOS 8 now, we wouldn't have to upgrade until 2029.
  However, to my knowledge none of the national labs are supporting CentOS 8 yet. It's been out for only a year, and will take a while to permeate through the scientific community. Also, the "jump" from CentOS 7 to CentOS 8 is larger than the one from 6 to 7; an upgrade from 6 to 8 may be even more disruptive to analysis tasks.
 
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