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Avocent CCM1640, CCM840 To delete a user:, To end another user’s CCM session:, To display user conﬁguration information:, To change a user’s conﬁguration information:

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Chapter 3: Operations	29

To change a user’s conﬁguration information:

Issue a User Set command.

USER SET <username> [PASSWORD=<pwd>] [SSHKEY=<keyﬁle>] [FTPIP=<ftpadd>] [KEY=<sshkey>] [ACCESS=<access>]

You may change your own password at any time. You must have USER access rights to change another user’s password or to change any user’s SSH user key information and access rights.

To remove an SSH user key or password, specify Key=“” or Password=“”. You cannot remove both the password and the SSH key from a user’s definition; one must remain in the user database. Also, you cannot remove a user’s key or password if that removal would result in no valid users having USER access rights.

For more information, see Connecting to devices using SSH and Access rights and levels in this chapter and User Set command in Chapter 5.

To end another user’s CCM session:

Issue a User Logout command.

USER LOGOUT <username>

A message is sent and the Telnet or SSH connection is dropped. For more information, see User Logout command in Chapter 5.

To delete a user:

Issue a User Delete command.

USER DELETE <username>

If the specified user is currently logged in, a message is sent to the user indicating that access is no longer permitted, and the user’s Telnet session is terminated. For more information, see User Delete command in Chapter 5.

To display user conﬁguration information:

1.To display information about one user, issue a Show User command, specifying the username.

SHOW USER <username>

2.To display information about all users, issue a Show User command with the All parameter.

SHOW USER ALL

Contents

Page Page Page Page Table of Contents Page 1 Product Overview Page Chapter 1: Product Overview Features and Benefits Safety Precautions Rack mount safety considerations Using AVWorks Page Installation and Configuration Page Chapter 2: Installation and Configuration Hardware Overview Installing the CCM Configuring the CCM Configuring the IP address and subnet mask To conﬁgure the IP address and subnet mask using a Telnet CLI: To conﬁgure the CCM using the serial CLI: Initial CCM login Reinitializing the CCM 3 Operations Page Chapter 3: Operations Overview Configuring Serial Port Settings Connecting to Serial Devices Connecting to devices using Telnet Connecting to devices from the serial CLI port Configuring and using dial-inconnections Connecting to devices using PPP Connecting to devices using SSH SSH Authentication Methods Page Enabling plain text Telnet and SSH connections Telnet CLI mode Ending device sessions Session time-outs Managing User Accounts To change a user’s conﬁguration information: To end another user’s CCM session: To delete a user: To display user conﬁguration information: Access rights and levels Using Authentication Modes Authentication summary Using Security Lock-out Managing the Port History Buffer Using port history mode commands Port History Mode Commands To access port history mode: To control the port history buffer display when you connect: To control the port history buffer content when you end a session: To clear and discard all data in a port history buffer: Managing the CCM Using SNMP To add or delete SNMP management entity addresses: To enable or disable SNMP traps: To add or delete SNMP trap destination addresses: To add, copy or delete port alert strings: To display SNMP conﬁguration information: To display port alert string information: 4 Using CCM Commands Page Chapter 4: Using CCM Commands Accessing the CLI Entering Commands When commands take effect Understanding Conventions Command syntax Page Syntax conventions Command Summary CCM Command Summary (Continued) Page Page Page 5 CCM Commands Page Chapter 5: CCM Commands Connect Command Disconnect Command Help Command Port Commands Port Alert Add command Port Alert Copy command Port Alert Delete command Port Break command Port History command Port Logout command Port Set command Page Quit Command Resume Command Server Commands Server CLI command Server FLASH command Server PPP command Server RADIUS command Server Reboot command Server Security command Server Set command Server SNMP command Server SNMP Community command Server SNMP Manager command Server SNMP Trap command Server SNMP Trap Destination command Server SSH command Show Commands Show Port command Page Show Port Alert command Show Server command Show Server CLI command Show Server PPP command Show Server RADIUS command Show Server Security command Show Server SNMP command Show User command SPC Command User Commands User Add command Page User Delete command User Logout command User Set command User Unlock command Page Appendices Page Appendices Appendix A: Technical Specifications Appendix B: Device Cabling Page RJ-45modular adaptors and cables Page Appendix C: Ports Used Appendix D: Technical Support