UCS 2.4 - Univention

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8 Services for Windows 1. The Univention Configuration Registry variable windows/wins-support must be set to yes using Univention Management Console on the Samba server which should offer WINS from this point onwards 2. The Samba service must be restarted 3. Existing systems must be configured to the address of the new WINS server using, for example, a DNS alias record (see Chapter 4.5.9.2), a DHCP-NetBIOS policy (see Chap- ter 4.5.11.5) or for Samba servers by configuring the Univention Configuration Registry variable windows/wins-server. 8.4.3 NETLOGON share The NETLOGON share serves the purpose of providing system policies and logon scripts in Windows domains. Under UCS, the directory /var/lib/samba/netlogon is set up as the Samba share NETL- OGON. The NETLOGON share must be available on all Samba domain controllers and contain the same contents. To provide this guarantee,changes are only made on the DC master (even when Samba is not installed on the DC master) and synchronised (as standard hourly) encrypted with the help of the programs rsync und ssh to all DC backup and DC slave systems on which Samba is installed The synchronisation intervals can be changed on the individual servers in the /etc/cron.d/univention-samba file. 8.4.3.1 Logon Scripts Logon scripts are executed on Windows computers after successful login of a user. They permit a variety of changes to be made in the user’s environment before he can work within the system. The logon script can be found in the scripts directory of the Samba share NETLOGON. Chapter 8.4.5 explains how other login scripts on Samba level and on user level can be defined. Scripts have to be saved in a format which can be executed by Windows, such as bat and cmd. Under Windows, the net user / domain command is used for checking if a logon script is assigned to the user stated in username and if so, which script this is. The Univention Configuration Registry variable samba/logonscript can be used for defining a global logon script. If this variable is set on a Samba server, then all users logging into this Samba server have the specified logon script assigned. 8.4.3.2 System policies Samba supports the use of so-called system policies which are created and edited under Windows by the tool poledit.exe. System policies allow a large number of presettings to be made concerning users and clients. For example: Users can be restricted to execute only a small number of predefined programs. 196
8.4 Extended Configuration System policies have to be stored in a Windows or Samba domain in the NETLOGON share and have to be named ntconfig.pol. 8.4.4 Creating objects in the LDAP directory using Samba If user or group accounts are created in a Samba domain or a Windows computer joins the domain, these data are entered in the LDAP directory via Samba. To do this, initially it is checked if an object with the same name already exists in the LDAP directory. These existing objects will be adapted to the new data. If the objects do not yet exist in the LDAP directory, the accounts are created in standard containers. These standard container can be determined with the Univention Configura- tion Registry variables samba/defaultcontainer/user, samba/defaultcontainer/group and samba/defaultcontainer/computer. The full DN of the container in question must be used. For example, if the Univention Configuration Registry variable samba/defaultcontainer/group is configured to the cn=windows-groups,cn=groups,dc=firma,dc=com container using Univention Management Console, this becomes the standard container for group accounts. The variables can contain differing val- ues on different Samba servers. In this way, for example, computers at location 1 can be stored in a different container from computers at location 2. If these variable are not set, the containers cn=users,, cn=groups, and cn=computers, are used. When NT user accounts are imported, the standard containers are used of the server on which the migration script is run. Existing objects are described in more detail in the migration documentation [15]. 8.4.5 Configuring Windows user accounts Settings which are to be valid for all the Windows user accounts, are made in the Samba configuration. This configuration consists of the file /etc/samba/smb.conf and the files integrated therein. Many parameters of the Samba configuration can be set via the Univention Configuration Registry variables. Where several servers are in use, the Samba configuration applicable for each user is that one which belongs to the server against which the user is authenticated. User-specific settings can be defined via the menu Univention Directory Manager ➞ Add/Find Users ➞ Windows UNIX directories which are to be used under Windows, have to be set up as Samba shares (see chapter 4.5.5). In the following examples, is to be replaced with the NetBIOS name of the server on which the directory is located (siehe Kapitel 8.4.6). 8.4.5.1 Windows home directory Samba automatically provides the user’s Linux home directory as a drive letter under Windows. The Samba configuration contains the parameter logon home, which by default is resolved to \\\, for example \\ucs-samba-server\meier. Accordingly, the directory will show up under Windows on the home drive (see chapter 8.4.5.2) as a directory named after the username. 197
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Univention Corporate Server Manual
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Contents 1 Introduction 11 1.1 What
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Contents 5.3.12 Reboot . . . . . .
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Contents 10.7.2 Hardware drivers /
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Contents 14.11Including additional
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1 Introduction Contents 1.1 What is
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1.3 Further documentation selective
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2 Domain concept Contents 2.1 Intro
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2.2 UCS system roles The DC backup
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2.4 Joining domains 2.4 Joining dom
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2.4.2 How to join domains with Wind
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2.4 Joining domains If the computer
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3 Installation Contents 3.1 Introdu
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continued. 3.2 Text-based Installat
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g) Base system Attention: 3.2 Text-
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Figure 3.3: Partitioning hard drive
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3.2 Text-based Installation as the
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Figure 3.5: Selection of components
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17. System settings 3.2 Text-based
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3.4 Installing and Renewing Licence
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4 Univention Directory Manager Cont
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Figure 4.1: Unsecured start page 4.
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Figure 4.3: Automatic log-out after
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4.3 Univention Directory Manager Wi
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last names of the users, a column w
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4.4 Navigation in LDAP By clicking
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4.5 Univention Directory Manager mo
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’User account’ tab Account expi
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Attention: 4.5 Univention Directory
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Further information can be found in
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’Groups’ tab 4.5 Univention Dir
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the user is disconnected after auth
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Mail address 4.5 Univention Directo
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DNS Entry 4.5 Univention Directory
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’General’ tab Name (*) 4.5 Univ
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Reverse zone for DNS entry 4.5 Univ
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’Deployment’ tab 4.5 Univention
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Browseable 4.5 Univention Directory
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Valid users 4.5 Univention Director
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Clients can send a lock request wit
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Subtree checking 4.5 Univention Dir
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Disconnect Time 4.5 Univention Dire
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Manufacturer 4.5 Univention Directo
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’Samba’ tab 4.5 Univention Dire
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’Alias’ tab Canonical name (*)
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server. Attention: 4.5 Univention D
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• Lease time • NetBIOS • Rout
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Last address 4.5 Univention Directo
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4.5.10.5 DHCP host 4.5 Univention D
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4.5.11.1 Adding a policy 4.5 Univen
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Declines 4.5 Univention Directory M
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’[DHCP NetBIOS]’ tab NetBIOS na
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RAM on the graphics adapter in kb 4
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System shutdown 4.5 Univention Dire
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’[Print quota]’ tab Attention:
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The DNs of the predefined container
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’General’ tab Name (*) The name
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Tab name 4.5 Univention Directory M
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Displayed attributes 4.5 Univention
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Page 145 and 146: Data type Syntax 4.5 Univention Dir
Page 147 and 148: • Wizards 4.6 Policy-controlled L
Page 149 and 150: 4.6 Policy-controlled Layouts for t
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Page 153 and 154: 5 Univention Management Console Con
Page 155 and 156: Figure 5.1: Login mask of Univentio
Page 157 and 158: 5.3.2 Kernel modules 5.3 Standard m
Page 159 and 160: Figure 5.4: Univention Configuratio
Page 161 and 162: Figure 5.6: List of partitions 5.3
Page 163 and 164: 5.3.10 Joining a domain Figure 5.8:
Page 165 and 166: 5.3.13 Online update Figure 5.10: R
Page 167 and 168: Figure 5.13: Online update: compone
Page 169 and 170: 6 Univention Virtual Machine Manage
Page 171 and 172: 6.3 Managing virtual machines with
Page 173 and 174: 6.3.2 Modifying virtual machines Fi
Page 175 and 176: 6.3.2.2 Operations (Starting/stoppi
Page 181 and 182: 7 UCS Directory service Contents 7.
Page 183 and 184: tions. 7.4 Configuration of LDAP AC
Page 185 and 186: - Using a concrete DN via dn.base,
Page 187 and 188: 8 Services for Windows Contents 8.1
Page 189 and 190: 8.2.3 Print server 8.3 Building Sam
Page 191 and 192: 8.4 Extended Configuration When set
Page 193 and 194: 8.4 Extended Configuration auth/use
Page 195: 8.4.2 WINS 8.4 Extended Configurati
Page 199 and 200: 8.4.5.4 Profile directory 8.4 Exten
Page 201 and 202: 8.4 Extended Configuration This nam
Page 203 and 204: 9 Desktop systems Contents 9.1 Intr
Page 205 and 206: 9.2.3 Mobile clients 9.3 Managing d
Page 207 and 208: 9.3.4 NX 9.4 VNC desktop sharing Li
Page 209 and 210: 9.5 Thin client environment are not
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Page 215 and 216: 9.6 Home directories computer on wh
Page 217 and 218: 9.7.1 Creating and modifying global
Page 219 and 220: Figure 9.1: Univention Directory Ma
Page 221 and 222: 10 Basic System Services Contents 1
Page 223 and 224: 10.3 Packet filter with Univention
Page 225 and 226: 10.3.5 Testing Univention Firewall
Page 227 and 228: sudo tool for running users with el
Page 229 and 230: 10.6 Logging of system messages and
Page 231 and 232: 10.8 GRUB boot manager The GRUB boo
Page 233 and 234: 10.9.3 Defining cron jobs in Univen
Page 235 and 236: 10.12 SSH In the basic setting, a r
Page 237 and 238: 11 Software maintenance Contents 11
Page 239 and 240: 11.2 UCS updates system version whi
Page 241 and 242: 11.3.1 Assigning repository servers
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11.3.6.4 Information about installe
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11.5 Repository management a reposi
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univention-repository-merge --dest
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example, synchronisation as of UCS
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12 Mail Contents 12.1 Introduction
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12.3 Setting up the mail server To
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12.3 Setting up the mail server ent
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12.5 Virus filters can be changed i
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Field Value to be entered 12.6 Conf
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13 Print services Contents 13.1 Int
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13.2.3 Windows systems as print ser
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13.3 Configuring printer shares Onc
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13.5 Print quota 13.5 Print quota T
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13.5 Print quota entry is confirmed
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13.5 Print quota -G -pgroups pg1[,p
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14 Univention Configuration Registr
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sshd/permitroot: yes sshd/xforwardi
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14.5 Creating new Univention Config
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14.8 Regeneration of configuration
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14.10 Univention Configuration Regi
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closed with the string @!@. 14.12 I
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15 Univention System Setup Contents
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Figure 15.2: Basic settings in Univ
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Figure 15.4: Language settings in U
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15.2 Univention System Setup module
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15.2.6 Time zone Time zones can be
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15.5 Changing machine passwords/SSL
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16 Frequently asked questions Conte
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16.3 How does a user change his pas
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16.7 Thin clients experience log-in
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16.12 Avoiding double log-ins on Wi
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Bibliography [1] Univention. Overvi
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[26] Univention. Web proxies with U
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UCS 2.4 - Univention

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