On 2019-07-06 10:01, Andrey Repin wrote: >> On 2019/07/06 02:06, Andrey Repin wrote: >>>> I guess I don't know how to modify an entry to either 1-rename it, or >>>> 2 add the new entry. >>> You don't. >>> If you want to change name for display purposes, look into nsswitch.conf and >>> associated documentation. >> My machine's GUID changed. This file has entry for userX >> on the old machine-GUID. UserX also exists on the new machine GUID. >> So I renamed the old entry to UserXold so I could find all the places >> where the old GUID is referenced then change it to the machine's new guid. >> I'm not having cygwin create new groups or whatever, but trying to replace >> references to this Userid in the machine's old GUID and replace them with >> reference to the Uid with the machine's new GUID. >> if it was the main group, I'd just use find to locate instances of old >> and do chgrp to change ownership to new. However, this is a group entry >> in an acl list -- so I need to change the name of 1 entry in the acl list. >>> It should, but I strongly suggest to avoid using it outside Cygwin directory >>> tree to maintain maximum interoperability with Windows programs. >> No problem. my cygwin directory is at 'C:\', where it >> has been since WinXP... (:^|) > THAT is a problem. A big problem. >>> getent passwd >>> getent group >> those don't display GUID/UUIDs, but *nix user+group ids. > Try it sometime. They do.
Try: $ id user|group and see below for getent nsswitch changes suggested. >> I wanted to see the windows guid associated with an identity. >> Since the one I was looking for was a well-known-id I found it, but >> in non-well-known cases,...? > Set nsswitch.conf to: > passwd: db > group: db > db_enum: all > then check `getent passwd` In your work environment, you might want to try: # passwd: files db # group: files db db_enum: cache files local builtin primary alltrusted See docs in - paste into browser: /usr/share/doc/cygwin-doc/html/cygwin-ug-net/ntsec.html#ntsec-mapping-nsswitch or $ cygstart https://cygwin.com/cygwin-ug-net/ntsec.html#ntsec-mapping-nsswitch -- Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada This email may be disturbing to some readers as it contains too much technical detail. Reader discretion is advised. -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple