Managing Services and Registry Chapter 16 powered by dj

Chapter Objectives  Use Services Console  Manage Services from Command Prompt and Task Manager  Explain the Structure of the Registry  Avoid Registry Mishaps  Edit Registry  Monitor Registry Changes  Restrict Access to Registry Editor powered by dj

Recall  The Startup Repair Tool takes back up and runs when Windows does not start due to corrupt system files  The Windows Memory Diagnostic Tool is used to test the memory of your computer  System Restore is a method that uses the computer’s previous configuration for recovering from system failure  A restore point is like a snapshot of the system at a particular time powered by dj

Using Services Console - I  A service is a program that performs a particular function which supports other programs in a computer  In Windows Vista, the services are provided in the Services console Views of Service Console Extended View Standard View powered by dj

Using Services Console - II powered by dj

 Practical Activity: Demonstrate a procedure to view the Services console. (2 min) powered by dj

Starting and Stopping Services  The status of a service can be changed from the Services console  Generally, the services start automatically  The operating system stops the services, as it is a part of shutdown  All services do not allow you to change their status ButtonName Start Resume Stop Pause Restart powered by dj

 Question for group discussion – What is use of services? (2 min) powered by dj

Configuring Services  A service can be configured using the Service Properties dialog box  The Service Properties consist of four tabs:  General  Log On  Recovery  Dependencies  You can review or modify the service settings:  Setting Startup options  Specifying the Recovery options powered by dj

 Practical Activity: Demonstrate a procedure to specify a recovery action for a service. (6 min) powered by dj

Determining the Name of a Service  The Service Properties dialog box displays the three names of the service such as Service name, Display name and Executable name  The service name is required while working with the registry entry of the service  The display name is required while working on the Services console  The executable name is needed when the users encounter a problem while running the service powered by dj

 Question for group discussion – Name the services that are used frequently. (2 min) powered by dj

Managing Services from Command Prompt  Services can be managed from the command prompt using various Net commands  Net commands used for managing services are:  Net Start  Net Start Service  Net Stop Service  Net Pause Service  Net Continue Service powered by dj

Managing Services from Task Manager  The Services tab of the Windows Task Manager is used for managing services  It displays information such as Name, PID (Process Identifier), Description, Status and Group of the services powered by dj

 Practical Activity: Demonstrate a procedure to stop a service using the Net Stop [service] command. (5 min) powered by dj

Structure of the Registry - I  Registry is a warehouse for information about the computer's configuration  Registry can be edited using the Registry Editor  A root key with their subkeys can be described as a path  Example: HKLM\Systems\CurrentControlSet  A key with all its subkeys and value is called a hive powered by dj

Structure of the Registry - II  The root keys provided by Registry Editor are:  HKEY_CLASSES_ROOT  HKEY_CURRENT_ USER  HKEY_LOCAL_MACHINE  HKEY_USERS  HKEY_CURRENT_CONFIG powered by dj

 Practical Activity: Demonstrate a procedure to view the hive files. (5 min) powered by dj

Registry Data Types  Registry uses various data types:  REG_SZ  REG_BINARY  REG_DWORD  REG_QWORD  REG_MULTI_SZ  REG_EXPAND_SZ powered by dj

Introducing Registry Virtualization  This process prevents the applications running under the standard user account from writing to system folders in the file system and to machine-wide keys in the registry  The virtualization data is stored in the per user section of the registry powered by dj

 Question for group discussion – Name the registry data types. (2 min) powered by dj

Avoiding Registry Mishaps  Registry Editor copies all the changes into the registry and does not have an undo command  The registry can be saved in one of the following four formats:  Registration Files  Registry Hive Files  Win9x/NT4 Registration Files  Text Files  Allows to export and import the registry hive files  The System Protection utility is used to save the registry's state from time to time powered by dj

 Group Activity: Ask the students to standup and sit down. powered by dj

Editing the Registry - I  The Find command can be used to find a particular key, value or data item  The data associated with a particular value can be changed using the Registry Editor  To add a new key, select the parent folder or key and click Edit  New  Key  To delete a key, select the key and press Delete powered by dj

 Practical Activity: Demonstrate a procedure to export a registry hive. Demonstrate a procedure to restore the registry from an exported hive file. (15 min) powered by dj

Editing the Registry - II  To add a value, select the parent key and click Edit  New  Type of value  Following are the values with their data type: Menu nameRegistry Data Type String ValueREG_SZ Binary ValueREG_BINARY DWORD (32-Bit) ValueREG_DWORD QWORD (64-Bit) ValueREG_QWORD Multi-String ValueREG_MULTI_SZ Expandable String ValueREG_EXPAND_SZ powered by dj

 Practical Activity: Demonstrate a procedure to add a key. (5 min)  Group Activity: Ask the students to their sitting arrangement. powered by dj

Restricting Access to Registry Editor  Access to the Registry Editor for ‘all’ the users can be prevented using the local group policy  Access to the Registry Editor for a single user can be prevented using Registry Editor powered by dj

 Practical Activity: Demonstrate a procedure to lock all users to access the Registry Editor by setting a local group policy. (8 min)  Practical Activity: Demonstrate a procedure to lock a particular user to prevent access to the Registry Editor. Ask the students to re-enable the user to use the Registry Editor. (10 min) powered by dj

Summary - I  Windows Vista provides the Services console. It can be opened by typing Services.msc in the Instant Search box or in the command prompt  The Services console provides the following two types of views: Extended View and Standard View  The Services console enables you to start, pause and stop the services  Windows Vista allows you to control the services via command prompt. It uses Net commands for managing the services powered by dj

Summary - II  Windows Vista also allows you to manage the services from the task manager  The Registry Editor can be opened by typing regedit in the Instant search box and selecting the regedit link  The Registry Editor Window provides five root keys, namely, HKCR, HKCU, HKLM, HKU and HKCC powered by dj

Summary - III  Registry Editor copies all the changes made immediately and does not provide Undo option  Registry Editor can save all the portions of the registry in any of four different formats: Registration Files, Registry Hive Files, Win9x/NT4 Registration Files and text file  Windows Vista allows you to export and import the registry hive files  You can delete the created key from the registry editor powered by dj