Query: idmap_tdb2
OS: centos
Section: 8
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
IDMAP_TDB2(8) System Administration tools IDMAP_TDB2(8)NAMEidmap_tdb2 - Samba's idmap_tdb2 Backend for WinbindDESCRIPTIONThe idmap_tdb2 plugin is a substitute for the default idmap_tdb backend used by winbindd for storing SID/uid/gid mapping tables in clustered environments with Samba and CTDB. In contrast to read only backends like idmap_rid, it is an allocating backend: This means that it needs to allocate new user and group IDs in order to create new mappings.IDMAP OPTIONSrange = low - high Defines the available matching uid and gid range for which the backend is authoritative. script This option can be used to configure an external program for performing id mappings instead of using the tdb counter. The mappings are then stored int tdb2 idmap database. For details see the section on IDMAP SCRIPT below.IDMAP SCRIPTThe tdb2 idmap backend supports an external program for performing id mappings through the smb.conf option idmap config * : script or its deprecated legacy form idmap : script. The mappings obtained by the script are then stored in the idmap tdb2 database instead of mappings created by the incrementing id counters. It is therefore important that the script covers the complete range of SIDs that can be passed in for SID to Unix ID mapping, since otherwise SIDs unmapped by the script might get mapped to IDs that had previously been mapped by the script. The script should accept the following command line options. SIDTOID S-1-xxxx IDTOSID UID xxxx IDTOSID GID xxxx And it should return one of the following responses as a single line of text. UID:yyyy GID:yyyy SID:yyyy ERR:yyyyEXAMPLESThis example shows how tdb2 is used as a the default idmap backend. [global] idmap config * : backend = tdb2 idmap config * : range = 1000000-2000000 This example shows how tdb2 is used as a the default idmap backend using an external program via the script parameter: [global] idmap config * : backend = tdb2 idmap config * : range = 1000000-2000000 idmap config * : script = /usr/local/samba/bin/idmap_script.shAUTHORThe original Samba software and related utilities were created by Andrew Tridgell. Samba is now developed by the Samba Team as an Open Source project similar to the way the Linux kernel is developed. Samba 4.0 06/17/2014 IDMAP_TDB2(8)
Related Man Pages |
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idmap_ldap(8) - centos |
idmap_rid(8) - suse |
idmap_tdb(8) - mojave |
idmap_tdb(8) - xfree86 |
idmap_tdb(8) - linux |
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