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在CentOS 7上安装Samba 4域控制器

从版本4.0开始,Samba能够作为Active Directory(AD)域控制器(DC)运行。 在本教程中,我将介绍如何使用Windows 10,CentOS 7和CentOS 6客户端将Samba 4配置为域控制器。

我将使用3系统,一个CentOS 7服务器和一个用于远程管理的Windows 10客户端,CentOS 7和CentOS 6客户端。

  • 192.168.1.190 Samba4 AD centos7
  • 192.168.1.191远程管理赢10
  • 192.168.1.22 – 客户端认证 – 中心7
  • 192.168.1.192 – 客户端验证 – centos 6

安装Samba 4

192.168.1.190 Samba4 AD centos 7

Basis是一个CentOS 7,安装最少,SELinux已禁用。

      [root@samba4 ~]# sestatusSELinux status: disabled[root@samba4 ~]#      

在/ etc / hosts文件中创建一个条目。

[root@samba4 ~]# cat /etc/hosts127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4::1         localhost localhost.localdomain localhost6 localhost6.localdomain6192.168.1.190   samba4.sunil.cc samba4[root@samba4 ~]#      

安装epel repo。

[root@samba4 ~]# yum install epel-release -y

安装编译samba4所需的所有软件包。

[root@samba4 ~]# yum install perl gcc libacl-devel libblkid-devel gnutls-devel readline-devel python-devel gdb pkgconfig krb5-workstation zlib-devel setroubleshoot-server libaio-devel setroubleshoot-plugins\policycoreutils-python libsemanage-python setools-libs-python setools-libs popt-devel libpcap-devel sqlite-devel libidn-devel libxml2-devel libacl-devel libsepol-devel libattr-devel keyutils-libs-devel\cyrus-sasl-devel cups-devel bind-utils libxslt docbook-style-xsl openldap-devel pam-devel bzip2 vim wget -y

现在下载samba4包。 我使用samba-4.6.0这是最新的在这个设置。

[root@samba4 ~]#  wget https://download.samba.org/pub/samba/stable/samba-4.6.0.tar.gz

现在让我们安装samba4。

  [root@samba4 ~]# tar -zxvf samba-4.6.0.tar.gz  [root@samba4 ~]# cd samba-4.6.0  [root@samba4 samba-4.6.0]# ./configure --enable-debug --enable-selftest --with-ads --with-systemd --with-winbind  [root@samba4 samba-4.6.0]# make && make install  

根据系统速度,安装大约需要10分钟。

现在我们将进行域配置。

[root@samba4 samba]# samba-tool domain provision --use-rfc2307 --interactiveRealm [SUNIL.CC]: Domain [SUNIL]: Server Role (dc, member, standalone) [dc]: dc DNS backend (SAMBA_INTERNAL, BIND9_FLATFILE, BIND9_DLZ, NONE) [SAMBA_INTERNAL]: DNS forwarder IP address (write 'none' to disable forwarding) [4.2.2.1]:Administrator password:Retype password:Looking up IPv4 addressesLooking up IPv6 addressesNo IPv6 address will be assignedSetting up share.ldbSetting up secrets.ldbSetting up the registrySetting up the privileges databaseSetting up idmap dbSetting up SAM dbSetting up sam.ldb partitions and settingsSetting up sam.ldb rootDSEPre-loading the Samba 4 and AD schemaAdding DomainDN: DC=sunil,DC=ccAdding configuration containerSetting up sam.ldb schemaSetting up sam.ldb configuration dataSetting up display specifiersModifying display specifiersAdding users containerModifying users containerAdding computers containerModifying computers containerSetting up sam.ldb dataSetting up well known security principalsSetting up sam.ldb users and groupsERROR(ldb): uncaught exception - operations error at ../source4/dsdb/samdb/ldb_modules/password_hash.c:2820  File "/usr/local/samba/lib64/python2.7/site-packages/samba/netcmd/__init__.py", line 176, in _run    return self.run(*args, **kwargs)  File "/usr/local/samba/lib64/python2.7/site-packages/samba/netcmd/domain.py", line 471, in run    nosync=ldap_backend_nosync, ldap_dryrun_mode=ldap_dryrun_mode)  File "/usr/local/samba/lib64/python2.7/site-packages/samba/provision/__init__.py", line 2175, in provision    skip_sysvolacl=skip_sysvolacl)  File "/usr/local/samba/lib64/python2.7/site-packages/samba/provision/__init__.py", line 1787, in provision_fill    next_rid=next_rid, dc_rid=dc_rid)  File "/usr/local/samba/lib64/python2.7/site-packages/samba/provision/__init__.py", line 1447, in fill_samdb    "KRBTGTPASS_B64": b64encode(krbtgtpass.encode('utf-16-le'))  File "/usr/local/samba/lib64/python2.7/site-packages/samba/provision/common.py", line 55, in setup_add_ldif    ldb.add_ldif(data, controls)  File "/usr/local/samba/lib64/python2.7/site-packages/samba/__init__.py", line 225, in add_ldif    self.add(msg, controls)[root@samba4 samba]#

当我们提供域时会有一些错误。

要修复它们,请在/etc/krb5.conf中注释掉下面的一行。

  --------  #includedir /etc/krb5.conf.d/  --------

再次运行域配置,现在域将被创建没有错误。

  [root@samba4 etc]# samba-tool domain provision --use-rfc2307 --interactiveRealm [SUNIL.CC]: Domain [SUNIL]: Server Role (dc, member, standalone) [dc]: DNS backend (SAMBA_INTERNAL, BIND9_FLATFILE, BIND9_DLZ, NONE) [SAMBA_INTERNAL]: DNS forwarder IP address (write 'none' to disable forwarding) [4.2.2.1]:Administrator password:Retype password:Looking up IPv4 addressesLooking up IPv6 addressesNo IPv6 address will be assignedSetting up secrets.ldbSetting up the registrySetting up the privileges databaseSetting up idmap dbSetting up SAM dbSetting up sam.ldb partitions and settingsSetting up sam.ldb rootDSEPre-loading the Samba 4 and AD schemaAdding DomainDN: DC=sunil,DC=ccAdding configuration containerSetting up sam.ldb schemaSetting up sam.ldb configuration dataSetting up display specifiersModifying display specifiersAdding users containerModifying users containerAdding computers containerModifying computers containerSetting up sam.ldb dataSetting up well known security principalsSetting up sam.ldb users and groupsSetting up self joinAdding DNS accountsCreating CN=MicrosoftDNS,CN=System,DC=sunil,DC=ccCreating DomainDnsZones and ForestDnsZones partitionsPopulating DomainDnsZones and ForestDnsZones partitionsSetting up sam.ldb rootDSE marking as synchronizedFixing provision GUIDsA Kerberos configuration suitable for Samba AD has been generated at /usr/local/samba/private/krb5.confSetting up fake yp server settingsOnce the above files are installed, your Samba4 server will be ready to useServer Role:           active directory domain controllerHostname:              samba4NetBIOS Domain:        SUNILDNS Domain:            sunil.ccDOMAIN SID:            S-1-5-21-2936486394-2075362935-551615353[root@samba4 etc]#  

确保端口在防火墙中打开。

[root@samba4 etc]#firewall-cmd --add-port=53/tcp --permanent;firewall-cmd --add-port=53/udp --permanent;firewall-cmd --add-port=88/tcp --permanent;firewall-cmd --add-port=88/udp --permanent; \firewall-cmd --add-port=135/tcp --permanent;firewall-cmd --add-port=137-138/udp --permanent;firewall-cmd --add-port=139/tcp --permanent; \firewall-cmd --add-port=389/tcp --permanent;firewall-cmd --add-port=389/udp --permanent;firewall-cmd --add-port=445/tcp --permanent; \firewall-cmd --add-port=464/tcp --permanent;firewall-cmd --add-port=464/udp --permanent;firewall-cmd --add-port=636/tcp --permanent; \firewall-cmd --add-port=1024-5000/tcp --permanent;firewall-cmd --add-port=3268-3269/tcp --permanent[root@samba4 ~]# firewall-cmd --reload  

创建启动脚本以在重新启动期间自动启动服务。

[root@samba4 ~]# cat /etc/systemd/system/samba.service[Unit]Description= Samba 4 Active DirectoryAfter=syslog.targetAfter=network.target[Service]Type=forkingPIDFile=/usr/local/samba/var/run/samba.pidExecStart=/usr/local/samba/sbin/samba[Install]WantedBy=multi-user.target[root@samba4 ~]#[root@samba4 ~]# systemctl enable sambaCreated symlink from /etc/systemd/system/multi-user.target.wants/samba.service to /etc/systemd/system/samba.service.[root@samba4 ~]# systemctl start samba  

将Windows主机添加到域

192.168.1.191远程管理赢10

确保主机添加了静态ipaddress。

具有静态IP的Windows主机

将主机添加到域中。

要从Windows管理Samba4,我们需要安装Microsoft Remote Server Tools(RSAT)。

wiki页面具有https://wiki.samba.org/index.php/Installing_RSAT的链接

在Windows 10中安装RSAT工具

运行安装程序

重新启动后运行并输入dsa.msc

点击sunil.cc域,右键单击新建 – >用户。

创建测试用户。

在CentOS 7上使用Samba 4进行客户端认证

192.168.1.22 – CentOS 7上的客户端认证

安装包:

[root@centos7 ~]# yum -y install realmd sssd oddjob oddjob-mkhomedir adcli samba-common

检查与samba4的连接:

   [root@centos7 ~]# realm discover SUNIL.CCsunil.cc  type: kerberos  realm-name: SUNIL.CC  domain-name: sunil.cc  configured: kerberos-member  server-software: active-directory  client-software: sssd  required-package: oddjob  required-package: oddjob-mkhomedir  required-package: sssd  required-package: adcli  required-package: samba-common-tools  login-formats: %U  login-policy: allow-realm-logins[root@centos7 ~]#   

加入域名

[root@centos7 ~]#  realm join SUNIL.CCPassword for Administrator:[root@centos7 ~]#

检查我们是否能够从samba4获取用户。

[root@centos7 ~]# id SUNIL\\testuseruid=1570001104(testuser@sunil.cc) gid=1570000513(domain users@sunil.cc) groups=1570000513(domain users@sunil.cc)[root@centos7 ~]#

配置sssd

[root@centos7 ~]# cat /etc/sssd/sssd.conf[sssd]domains = sunil.ccconfig_file_version = 2services = nss, pam[domain/sunil.cc]ad_domain = sunil.cckrb5_realm = SUNIL.CCrealmd_tags = manages-system joined-with-sambacache_credentials = Trueid_provider = adkrb5_store_password_if_offline = Truedefault_shell = /bin/bashldap_id_mapping = Trueuse_fully_qualified_names = Truefallback_homedir = /home/%u@%daccess_provider = ad[root@centos7 ~]#

重新启动sssd。

[root@centos7 ~]# systemctl restart sssd[root@centos7 ~]# systemctl enable sssd

检查用户。

[root@centos7 ~]# id sambauser@sunil.ccuid=1570001105(sambauser@sunil.cc) gid=1570000513(domain users@sunil.cc) groups=1570000513(domain users@sunil.cc),1570000512(domain admins@sunil.cc),1570000572(denied rodc password replication group@sunil.cc)[root@centos7 ~]#

获取没有域名的用户。

[root@centos7 ~]# vim /etc/sssd/sssd.conf-----------------------use_fully_qualified_names = False----------------------

重新启动sssd和check id命令。

[root@centos7 ~]# systemctl restart sssd[root@centos7 ~]# id sambauseruid=1570001105(sambauser) gid=1570000513(domain users) groups=1570000513(domain users),1570000512(domain admins),1570000572(denied rodc password replication group)[root@centos7 ~]#

在CentOS 6上使用Samba 4进行客户端身份验证

192.168.1.192 – CentOS 6上的客户端认证。

安装包装。

   [root@centos6 db]#  yum install pam pam_ldap pam_krb5 sssd sssd-ldap sssd-common authconfig oddjob oddjob-mkhomedir openldap openldap-clients krb5-workstation adcli -y   

更改kerberos配置文件。

   [root@centos6 db]# cat /etc/krb5.conf[logging] default = FILE:/var/log/krb5libs.log kdc = FILE:/var/log/krb5kdc.log admin_server = FILE:/var/log/kadmind.log[libdefaults] default_realm = SUNIL.CC dns_lookup_realm = false dns_lookup_kdc = false ticket_lifetime = 24h renew_lifetime = 7d forwardable = true[realms] SUNIL.CC = {  kdc = samba4.sunil.cc  admin_server = samba4.sunil.cc }[domain_realm] .sunil.cc = SUNIL.CC sunil.cc = SUNIL.CC[root@centos6 db]#   

我们将使用adcli命令加入域。

   [root@centos6 db]# adcli info sunil.cc[domain]domain-name = sunil.ccdomain-short = SUNILdomain-forest = sunil.ccdomain-controller = samba4.sunil.ccdomain-controller-site = Default-First-Site-Namedomain-controller-flags = pdc gc ldap ds kdc timeserv closest writable good-timeserv full-secretdomain-controller-usable = yesdomain-controllers = samba4.sunil.cc[computer]computer-site = Default-First-Site-Name[root@centos6 db]#[root@centos6 db]# adcli join sunil.ccPassword for Administrator@SUNIL.CC:[root@centos6 db]#   

确保创建了kerberos票证。

   [root@centos6 db]# klist -ke   

配置认证

   [root@centos6 db]# authconfig --enablesssd --enablesssdauth --enablemkhomedir --update   

现在修改sssd配置来进行身份验证。

   [root@centos6 db]# cat /etc/sssd/sssd.conf[sssd]services = nss, pam, ssh, autofsconfig_file_version = 2domains = sunil.cc[domain/sunil.cc]id_provider = ad# Uncomment if service discovery is not working# ad_server = server.win.example.comdefault_shell = /bin/bashfallback_homedir = /home/%u[root@centos6 db]#   

重新启动sssd服务。

   [root@centos6 db]# chkconfig sssd on[root@centos6 db]# service sssd restartStopping sssd:                                             [  OK  ]Starting sssd:                                             [  OK  ][root@centos6 db]#   

验证用户

   [root@centos6 db]# id sambauseruid=1570001105(sambauser) gid=1570000513(domain users) groups=1570000513(domain users),1570000512(domain admins),1570000572(denied rodc password replication group)[root@centos6 db]#   
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