Su:Unable to set userId:resource is temporarily unavailable
Problem phenomenon:
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Cause of the problem:
The problem is : Under the/ETC/SECURITY/LIMITS.D directory, there are a few more filesunder Rhel6 and CENTOS6:90- Nproc.configto ensure that the root user is unlimited. This configuration overrides the settings for the master configuration file. The contents are as follows:
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Workaround:
Delete the line in the/etc/security/limits.d/90-nproc.conf file , or change the value of the 1024x768 to large, save the exit, effective immediately!
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This article from "The Light of Asia" blog, declined reprint!
Oracle RAC Su: Unable to set User id: resource is temporarily unavailable