LPIC-3 300 Objectives V1

Version Information

These objectives are version 1.0.0rc1. Objective renumbering will need to be done.

Addenda

Version Update Addendum (Apr 1st, 2013)

• released version 1.0.0rc1.

Translations of Objectives

The following translations of the objectives are available on this wiki:

• English.
• Spanish.
• French

Objectives

Topic 303: OpenLDAP Configuration

303.3 OpenLDAP Replication (weight: 3)

Weight	3
Description	Candidates should be familiar with the server replication available with OpenLDAP.

Key Knowledge Areas:

• Replication concepts.
• Configure OpenLDAP replication.
• Analyze replication log files.
• Understand replica hubs.
• LDAP referrals.
• LDAP sync replication.

The following is a partial list of the used files, terms and utilities:

• master / slave server
• multi-master replication
• consumer
• replica hub
• one-shot mode
• referral
• syncrepl
• pull-based / push-based synchronization
• refreshOnly and refreshAndPersist
• replog

303.4 Securing the Directory (weight: 3)

Weight	3
Description	Candidates should be able to configure encrypted access to the LDAP directory, and restrict access at the firewall level.

Key Knowledge Areas:

• Securing the directory with SSL and TLS.
• Firewall considerations.
• Unauthenticated access methods.
• User / password authentication methods.
• Maintanence of SASL user DB.
• Client / server certificates.

The following is a partial list of the used files, terms and utilities:

• SSL / TLS
• Security Strength Factors (SSF)
• SASL
• proxy authorization
• StartTLS
• iptables

303.5 OpenLDAP Server Performance Tuning (weight: 2)

Weight	2
Description	Candidates should be capable of measuring the performance of an LDAP server, and tuning configuration directives

Key Knowledge Areas:

• Measure OpenLDAP performance.
• Tune software configuration to increase performance.
• Understand indexes.

The following is a partial list of the used files, terms and utilities:

• index
• DB_CONFIG

Topic 305: OpenLDAP as an Authentication Backend

305.1 LDAP Integration with PAM and NSS (weight: 2)

Weight	2
Description	Candidates should be able to configure PAM and NSS to retrieve information from an LDAP directory.

Key Knowledge Areas:

• Configure PAM to use LDAP for authentication.
• Configure NSS to retrieve information from LDAP.
• Configure PAM modules in various Unix environments.

The following is a partial list of the used files, terms and utilities:

• PAM
• NSS
• /etc/pam.d/*
• /etc/nsswitch.conf

305.5 Integrating LDAP with Active Directory and Kerberos (weight: 2)

Weight	2
Description	Candidates should be able to integrate LDAP with Active Directory Services.

Key Knowledge Areas:

• Kerberos integration with LDAP.
• Cross platform authentication.
• Single sign-on concepts.
• Integration and compatibility limitations between OpenLDAP and Active Directory.

The following is a partial list of the used files, terms and utilities:

• Kerberos
• Active Directory
• single sign-on
• DNS

Topic 310: Samba Basics

310.1 Samba Concepts and Architecture (weight: 1)

Weight	1
Description	Candidates should understand the essential concepts of Samba. As well, the major differences between Samba3 and Samba4 should be known.

Key Knowledge Areas:

• Understand the roles of the Samba daemons and components
• Understand key issues regarding heterogeneous networks
• Identify key TCP/UDP ports used with SMB/CIFS
• Knowledge of Samba3 and Samba4 differences

The following is a partial list of the used files, terms and utilities:

• /etc/services
• Samba daemons: smbd, nmbd, samba, winbindd

312.1 Configure Samba (weight: 6)

Weight	6
Description	Candidates should be able to configure the Samba daemons for a wide variety of purposes

Key Knowledge Areas:

• Knowledge of Samba server configuration file structure
• Knowledge of Samba variables and configuration parameters
• Troubleshoot and debug configuration problems with Samba

The following is a partial list of the used files, terms and utilities:

• smb.conf
• smb.conf parameters
• smb.conf variables
• testparm
• secrets.tdb

310.2 Regular Samba Maintenance (weight: 1)

Weight	2
Description	Candidates should know about the various tools and utilities that are part of a Samba installation.

Key Knowledge Areas:

• Monitor and interact with running Samba daemons
• Perform regular backups of Samba configuration and state data

The following is a partial list of the used files, terms and utilities:

• smbcontrol
• smbstatus
• tdbbackup

310.3 Troubleshooting Samba (weight: 2)

Weight	2
Description	Candidates should understand the structure of trivial database files and know how troubleshoot problems

Key Knowledge Areas:

• Configure Samba logging
• Backup TDB files
• Restore TDB files
• Identify TDB file corruption
• Edit / list TDB file content

The following is a partial list of the used files, terms and utilities:

• /var/log/samba/*
• log level
• debuglevel
• smbpasswd
• pdbedit
• secrets.tdb
• tdbbackup
• tdbdump
• tdbrestore
• tdbtool

312.6 Internationalization (weight: 1)

Weight	1
Description	Candidates should be able to work with internationalization character codes and code pages

Key Knowledge Areas:

• Understand internationalization character codes and code pages
• Understand the difference in the name space between Windows and Linux/Unix with respect to share, file and directory names in a non-English environment
• Understand the difference in the name space between Windows and Linux/Unix with respect to user and group naming in a non-English environment
• Understand the difference in the name space between Windows and Linux/Unix with respect to computer naming in a non-English environment

The following is a partial list of the used files, terms and utilities:

• internationalization
• character codes
• code pages
• smb.conf
• dos charset, display charset and unix charset

Topic 312: Samba Share Configuration

312.2 File Services (weight: 4)

Weight	4
Description	Candidates should be able to create and configure file shares in a mixed environment

Key Knowledge Areas:

• Create and configure file sharing
• Plan file service migration
• Limit access to IPC$
• Create scripts for user and group handling of file shares
• Samba share access configuration parameters

The following is a partial list of the used files, terms and utilities:

• smb.conf
• [homes]
• smbcquotas
• smbsh
• browseable, writeable, valid users, write list and guest ok
• IPC$
• mount, smbmount

315.1 Linux File System and Share/Service Permissions (weight: 3)

Weight	3
Description	Candidates should understand file permissions on a Linux file system in a mixed environment

Key Knowledge Areas:

• Knowledge of file / directory permission control
• Understand how Samba interacts with Linux file system permissions and ACLs
• Use Samba VFS to store Windows ACLs

The following is a partial list of the used files, terms and utilities:

• smb.conf
• chmod, chown
• create mask
• directory mask
• smbcalcs
• getfacl, setfacl
• vfs_acl_xattr, vfs_acl_tdb and vfs objects

312.3 Print Services (weight: 2)

Weight	2
Description	Candidates should be able to create and manage print shares in a mixed environment

Key Knowledge Areas:

• Create and configure printer sharing
• Configure integration between Samba and CUPS
• Manage Windows print drivers and configure downloading of print drivers
• Configure [print$]
• Understand security concerns with printer sharing

The following is a partial list of the used files, terms and utilities:

• smb.conf
• [print$]
• CUPS
• cupsd.conf
• /var/spool/samba
• smbspool

Topic 313: Samba User and Group Management

313.1 Managing User Accounts and Groups (weight: 4)

Weight	4
Description	Candidates should be able to manage user and group accounts in a mixed environment

Key Knowledge Areas:

• Manager user and group accounts
• Understand user and group mapping
• Knowledge of user account management tools
• Use of the smbpasswd program
• Force ownership of file and directory objects

The following is a partial list of the used files, terms and utilities:

• pdbedit
• smb.conf
• samba-tool user (with subcommands)
• samba-tool group (with subcommands)
• smbpasswd
• /etc/passwd
• /etc/group
• force user, force group
• idmap

313.2 Authentication, Authorization and Winbind (weight: 8)

Weight	8
Description	Candidates should understand the various authentication mechanisms and configure access control. Candidates should be able to install and configure the Winbind service.

Key Knowledge Areas:

• Setup a local password database
• Perform password synchronization
• Knowledge of different passdb backends
• Convert between Samba passdb backends
• Integrate Samba with LDAP
• Configure Winbind service
• Configure PAM and NSS

The following is a partial list of the used files, terms and utilities:

• smb.conf
• smbpasswd, tdbsam, ldapsam
• passdb backend
• libnss_winbind
• libpam_winbind
• libpam_smbpass
• wbinfo
• getent
• SID and foreign SID
• /etc/passwd
• /etc/group

Topic 314: Samba Domain Integration

312.4 Samba as a PDC and BDC (weight: 4)

Weight	4
Description	Candidates should be able to setup and maintain primary and backup domain controllers. Candidates should be able to manage Windows/Linux client access to the NT-Style domains.

Key Knowledge Areas:

• Understand and configure domain membership and trust relationships
• Create and maintain a primary domain controller with Samba3 and Samba4
• Create and maintain a backup domain controller with Samba3 and Samba4
• Add computers to an existing domain
• Configure logon scripts
• Configure roaming profiles
• Configure system policies

The following is a partial list of the used files, terms and utilities:

• smb.conf
• security mode
• server role
• domain logons
• domain master
• logon script
• logon path
• NTConfig.pol
• net

314.3 Samba4 as an AD compatible Domain Controller (weight: 3)

Weight	3
Description	Candidates should be able to configure Samba 4 as an AD Domain Controller

Key Knowledge Areas:

• Configure and test Samba 4 as an AD DC
• Using smbclient to confirm AD operation
• Understand how Samba integrates with AD services; DNS, Kerberos, NTP, LDAP

The following is a partial list of the used files, terms and utilities:

• smb.conf
• server role
• samba-tool domain (with subcommands)
• samba

314.3 Configure Samba as a Domain Member Server (weight: 2)

Weight	2
Description	Candidates should be able to integrate Linux servers into an environment where Active Directory is present

Key Knowledge Areas:

• Joining Samba to an existing NT4 domain
• Joining Samba to an existing AD domain
• Ability to obtain a TGT from a KDC

The following is a partial list of the used files, terms and utilities:

• smb.conf
• server role
• server security
• net command
• kinit, TGT and REALM

Topic 314: Samba Name Services

314.2 NetBIOS and WINS (weight: 6)

Weight	6
Description	Candidates should be familiar with NetBIOS/WINS concepts and understand network browsing

Key Knowledge Areas:

• Understand WINS concepts
• Understand NetBIOS concepts
• Understand the role of a local master browser
• Understand the role of a domain master browser
• Understand the role of Samba as a WINS server
• Understand name resolution
• Configure Samba as a WINS server
• Configure WINS replication
• Understand NetBIOS browsing and browser elections
• Understand NETBIOS name types

The following is a partial list of the used files, terms and utilities:

• nmblookup
• smbclient
• name resolve order
• lmhosts
• wins support, wins server, wins proxy, dns proxy
• domain master, os level, preferred master

314.2 Active Directory Name Resolution (weight: 3)

Weight	3
Description	Candidates should be familiar with the internal DNS server with Samba4.

Key Knowledge Areas:

• Understand and manage DNS for Samba4 as an AD Domain Controller
• DNS forwarding

The following is a partial list of the used files, terms and utilities:

• samba-tool
• /etc/resolv.conf

Topic 314: Working with Linux and Windows Clients

314.1 CIFS Integration (weight: 3)

Weight	3
Description	Candidates should be comfortable working with CIFS in a mixed environment

Key Knowledge Areas:

• Understand SMB/CIFS concepts
• Mount remote CIFS shares from a Linux client
• Understand features and benefits of CIFS

The following is a partial list of the used files, terms and utilities:

• SMB
• CIFS
• mount, smbmount
• smbclient
• smbtar
• smb.conf
• /etc/fstab

314.4 Working with Windows Clients (weight: 4)

Weight	4
Description	Clients should be able to interact with remote Windows clients, and configure Windows workstations to access file and print services from Linux servers

Key Knowledge Areas:

• Knowledge of Windows clients
• Explore browse lists and SMB clients from Windows
• Share file / print resources from Windows
• Use of the smbclient program
• Use of the Windows net utility

The following is a partial list of the used files, terms and utilities:

• Windows' net command
• smbclient
• mount, smbmount
• control panel
• rdesktop
• workgroup
• smbget
• smbtree
• findsmb

Topic 315: Security and Performance

315.2 Samba Security (weight: 2)

Weight	2
Description	Candidates should be able to secure Samba at both the firewall level, and the Samba daemons themselves

Key Knowledge Areas:

• Configure access to and from a Samba server at the firewall level
• Configure security relate parameters in the smb.conf file

The following is a partial list of the used files, terms and utilities:

• iptables
• smb.conf
• /etc/services
• security modes

315.3 Performance Tuning (weight: 1)

Weight	1
Description	Candidates should be able to cluster services for load balancing and high availability purposes, and tune Samba settings for better server and network performance

Key Knowledge Areas:

• Measure Samba performance
• Optimize Samba memory usage
• Improve file transfer speed in a SMB/CIFS environment

The following is a partial list of the used files, terms and utilities:

• smb.conf
• 'max *' parameters
• netstat
• smbstatus
• socket options