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switch user (su) not sourcing the profile

 
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Old 09-05-2012
Quote:
Originally Posted by jim mcnamara
fpmurphy -
Okay, then how can root run shell without libc? Does RHEL mount /lib somehow without a shell?
I am not a RH admin, but, in light of the following recommendations, I would assume that the usual recovery method would involve alternate boot media.


From RHEL 6 Developer Guide - Static Linking:
Quote:
Static linking is emphatically discouraged for all Red Hat Enterprise Linux releases. Static linking causes far more problems than it solves, and should be avoided at all costs.
From RHEL 6 Installation Guide - Recommended Partitioning Scheme:
Quote:
Unless you have a reason for doing otherwise, we recommend that you create the following partitions for x86, AMD64, and Intel 64 systems:
* swap partition
* /boot partition
* / partition
* home partition

... <snip> ...

Do not place /usr on a separate file system

If /usr is on a separate file system from /, the boot process becomes much more complex because /usr contains boot-critical components. In some situations (like installations on iSCSI drives), the boot process might not work at all.
Regards,
Alister
 
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