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41 lines
1.6 KiB
Text
41 lines
1.6 KiB
Text
The NSS-MySQL name service switch library
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libnss_mysql retrieves user account information from a MySQL database server.
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Per default stored in /etc/{group,passwd,shadow} on Unix-like systems. Which
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(partly) is similar in functionality to NIS, LDAP, RADIUS, Hesoid, winbindd
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When used over a remote-network uttermost care should be taken in the security
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of this (such as TLS/SSL encripting the connection) and even then storing any
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valid password for such 'virtual' users is probably a bad idee in itself.
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Kerberos provides for far superior single-sign-on autentication system (the
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'shadow' part in these kinds of systems) both in performance and security.
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On to the good stuff :-)
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To get this working (locally) login to the database server, presuming that
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it is running; otherwise read /etc/rc.d/rc.mysqld first; to make the DB:
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# mysql -uroot -p
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> CREATE DATABASE nss_mysql;
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After this is done it has to be populated with the user tables; there is
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an example for them is provided in /usr/doc/nss-mysql-<version>/sample.sql
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You can copy that to say /tmp , (probably) edit it some and insert it with:
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# mysql -uroot -p -D nss_mysql < /tmp/sample.sql
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After this is done create the 'nss' and 'nss-shadow' database users with
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statements such as the ones found in /usr/doc/nss-mysql-<version>/SHADOW
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And make sure the passwords for them in /etc/nss-{mysql,mysql-root}.conf
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are the same ...
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Now edit your /etc/nsswitch.conf to look like the -mysql and try the commands
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getent passwd
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getent shadow
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Which should list the users pulled from mysql!
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( Otherwise have a look at 'tail /var/log/syslog' - for hints to fix it).
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-Menno.
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