CHAPTER 9
Secure System Configuration File 81
Feature Summary and Revision History 81
Feature Description 82
How System Configuration Files are Secured 82
Create a Digital Signature 82
Validate the Digital Signature 83
Configuring Signature Verification 83
Import RSA Public Key for Verification 83
Enable or Disable Signature Verification 84
CHAPTER 10
Software Management Operations 85
Understanding the Local File System 85
File Types Used by the Local File System 85
Understanding the boot.sys File 86
Maintaining the Local File System 86
File System Management Commands 86
Creating Directories 86
Renaming Files and Directories 87
Copying Files 87
Deleting Files 87
Removing Directories 87
Formatting Local Devices 88
Applying Pre-existing CLI Configuration Files 88
Viewing Files on the Local File System 89
Viewing the Contents of a Local Device 89
Viewing CLI Configuration and boot.sys Files 89
Validating an Operating System File 89
Configuring the Boot Stack 90
System Boot Methods 90
Viewing the Current Boot Stack 90
Adding a New Boot Stack Entry 92
Deleting a Boot Stack Entry 92
Upgrading the Operating System Software 92
Identifying OS Release Version and Build Number 92
ASR 5500 System Administration Guide, StarOS Release 21.5
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