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113 lines
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113 lines
4.0 KiB
Plaintext
What's new in Samba4 Technology Preview
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=======================================
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Samba 4 is the ambitious next version of the Samba suite that is being
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developed in parallel to the stable 3.0 series. The main emphasis in
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this branch is support for the AD logon protocols used by Windows 2000
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and above.
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Samba 4 is currently not yet in a state where it is usable in
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production environments. Note the WARNINGS below, and the STATUS file,
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which aims to document what should and should not work.
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With 3 years of development under our belt since tridge firs proposed
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a new VFS layer for Samba3 (a project which eventually lead to our AD
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efforts), it was felt that we should create something we could 'show
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off' to our users. This is a Technology Preview (TP), aimed at allowing
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users, managers and developers to see how we have progressed, and to
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invite feedback and support.
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WARNINGS
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========
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Samba4 TP is currently a pre-alpha technology. It may eat your cat, but
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is far more likely to choose to munch on your password database. In
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particular if you are upgrading from Samba3, you should backup all
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configuration and data.
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We expect that format changes will require that the user database be
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rebuilt from scratch a number of times before we make a final release,
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loosing password data.
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Samba4 TP includes basic ACL protection on the main user database, but
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due to time constraints, none on the registry at this stage. We do
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not currently have ACLs on the SWAT web-based management tool.
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Filesystem access should occour as the logged in user, much as Samba3
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does.
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We strongly recommend against use in a production environment at this
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stage.
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NEW FEATURES
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============
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Samba4 supports the server-side of the AD logon environment
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used by Windows 2000 and later, as evidenced by domain join
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and domain logon operations.
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Our Domain Controller (DC) implementation includes our own built-in
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LDAP server, KDC as well as the logon services provided over CIFS. We
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correctly generate the Kerberos PAC, and include it with the kerberos
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tickets we issue.
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SWAT is the new user-freindly interface to Samba4 managment, and
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provides access to our setup and migration functionality. In
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particular, we can migrate windows domains in Samba4 from this
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interface. This allows setup of initial user databases, and upgrades
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from Samba3.
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The new NTFVS features in Samba4, the project that started this all,
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is concerned with providing 'exact' semantics for basic file
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operations, and is backed by an extensive client testsuite.
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A new scripting interface has been added to Samba4, allowing
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JavaScript programs to interface to Samba's internals. This is also
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used for the SWAT GUI.
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Samba4 is strongly based around an LDAP-like backend, which includes
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an implementation against the actual LDAP protocol. With the addition
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of modules on directory servers and in Samba, we hope this can allow
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Samba4 to be a powerful frontend to vendor directories, much as Samba3
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is.
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CHANGES
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=======
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Those familiar with Samba 3 can find a list of user-visible changes
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since that release series in the NEWS file.
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In particular, standalone server and domain member roles are not
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currently supported. While we have much of the infrustructure
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required, we have not collected these peices togeather.
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There is no printing support in the current release.
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KNOWN ISSUES
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============
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- SWAT can be painful with <TAB> and forms. Just use the mouse, as
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the JS layer doing this will change.
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- Domain logons (using Kerberos) from windows clients incorrectly
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state that the password expires today.
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RUNNING Samba4
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==============
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A short guide to setting up Samba 4 can be found in the howto.txt file
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in root of the tarball.
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DEVELOPMENT and FEEDBACK
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========================
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Bugs can be filed at https://bugzilla.samba.org/. Please
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look at the STATUS file before filing a bug to see if a particular
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is supposed to work yet.
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Development and general discussion about Samba 4 happens mainly on
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the #samba-technical IRC channel (on irc.freenode.net) and
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the samba-technical mailing list (see http://lists.samba.org/ for
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details).
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