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https://issues.apache.org/jira/browse/UIMA-3012?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jim Challenger resolved UIMA-3012.
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Resolution: Fixed
New '-s' flag added to start_ducc that means 'single user mode'. All this does
is bypass checks to ensure ducc_ling permissions will allow identity switch,
which is not needed or even useful in 'single user mode'.
> DUCC Setup difficulties running ducc_ling in single-user mode.
> --------------------------------------------------------------
>
> Key: UIMA-3012
> URL: https://issues.apache.org/jira/browse/UIMA-3012
> Project: UIMA
> Issue Type: Improvement
> Components: DUCC
> Reporter: Jim Challenger
> Assignee: Jim Challenger
> Fix For: 1.0-Ducc
>
>
> Current start-up scripting attempts to insure ducc_ling has ownership
> "root.ducc", the setuid bit on, and permissions 750.
> When running in single-user mode this checking creates unnecessary
> complications as, by definition (DUCC's definition), single-user mode means
> everything is run under the same credentials as the (non-root) user that
> starts DUCC.
> A new flag to 'start_ducc' should be added that means "permit single user
> mode". This should bypass the ducc_ling checks and eliminate the need for
> special ducc_ling setup in single-user mode.
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