Migrating from Linux to Mac OS X Server 10.5

I am replacing a Fedora Core 3 Linux Server with an Xserve running Mac OS X Server 10.5.
Would appreciate any migration tips, especially those involving migrating user accounts and user mail over to the new server.
Any help would be appreciated.
Thank you,
Michael

Are your Fedora users in LDAP?
Apple has their own schema file, in /etc/openldap/schema, that is used in their user account entries. An LDIF-formatted user account looks like this, in OSX:
uid: myuser
objectClass: inetOrgPerson
objectClass: posixAccount
objectClass: shadowAccount
objectClass: apple-user
objectClass: extensibleObject
objectClass: organizationalPerson
objectClass: top
objectClass: person
uidNumber: 1039
shadowExpire: 0
shadowLastChange: 99999
sn: 99
apple-generateduid: 463EA237-5AF2-4141-A6FD-889A1DF419FF
cn: My User
gidNumber: 20
authAuthority: ;ApplePasswordServer;0x45e460b23d5fe0010000002000000020,1024 35
1345071926058281304721232558339827013846098893167653281446360984388676425738
50516338293908291285234596987349520801964828311538467653456892088525932177301
75097368617498905044836833794456703593938920562810570915630890501344214295721
35040193131304888799442156409779010254234461994915950682169628843172243920544
77 root@yamnuska:xxx.xxx.xxx.xxx
authAuthority: ;Kerberosv5;0x45e460b23d5fe0010000002000000020;myuser@MYREALM.
CA;MYREALM.CA;1024 35 1345071926058281304721132558339827013846098893167653281446
36098438867642573850516338293908291333433596987349520801964828311538467653456
89208852593217730175097368617498905044836833794492403593938920562810570915630
89050134421429572135040193131304888799442150946779010254251461994915950682169
62884317224392054477 root@yamnuska
userPassword:: KioqKioqKio=
homeDirectory: /Network/Servers/myserver.domain.ca/Users/myuser
loginShell: /bin/bash
description: An Example User
(names and numbers altered to protect the innocent)
You'll have to skip the authAuthority entries. One of them is for the password server, where Apple stores passwords, and the other obviously is for Kerberos. I think I read somewhere that you can actually use the userPassword: field if you put a plaintext password in there. I'd be interested to know if {crypt} or {md5} would work, like they do in regular OpenLDAP deployments.
Once you have the users imported into OpenDirectory, you can create the password server and Kerberos entries using the Server Admin tool, although this might require changing the password.
As for email, are you already using a recent version of Cyrus IMAP? If so, you just need to copy the files over (after importing users). If not, there are scripts floating around that can convert email from other systems to Cyrus.
Cheers
Brent
Message was edited by: Host

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