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6.5 Using SDT Connector for Out-of-Band Connection to the Gateway .....................................................................................................50
6.6 Importing (and Exporting) Preferences .......................................................................................................................................................52
6.7 SDT Connector Public Key Authentication................................................................................................................................................. 52
6.8 Setting Up SDT for Remote Desktop Access............................................................................................................................................. 53
6.8.1 Enable Remote Desktop on the Target Windows Computer to be Accessed ......................................................................... 53
6.8.2 Configure the Remote Desktop Connection Client ...................................................................................................................... 54
6.9 SDT SSH Tunnel for VNC ............................................................................................................................................................................. 56
6.9.1 Install and Configure the VNC Server on the Computer to be Accessed ................................................................................. 56
6.9.2 Install, Configure, and Connect the VNC Viewer......................................................................................................................... 58
6.10 Using SDT to Connect to Hosts that are Serially Attached to the Gateway...................................................................................... 59
6.10.1 Establish a PPP Connection between the Host COM Port and the Console Server............................................................. 60
6.10.2 Setup SDT Serial Ports on the Console Server ........................................................................................................................... 62
6.10.3 Setup SDT Connector to SSH Port Forward over the Console Server Serial Port.................................................................. 63
6.10.4 SSH Tunneling Using Other SSH Clients (for example, PuTTY) ............................................................................................... 63
7. Alerts and Logging ................................................................................................................................................................................................... 67
7.1 Configure SMTP/SMS/SNMP/Nagios Alert Service................................................................................................................................... 67
7.1.1 Email Alerts ......................................................................................................................................................................................... 67
7.1.2 SMS Alerts .......................................................................................................................................................................................... 68
7.1.3 SNMP Alerts........................................................................................................................................................................................ 68
7.1.4 Nagios Alerts ...................................................................................................................................................................................... 69
7.2 Activate Alert Events and Notifications ...................................................................................................................................................... 69
7.2.1 Add a New Alert ................................................................................................................................................................................ 70
7.2.2 Configuring General Alert Types ..................................................................................................................................................... 70
7.2.3 Configuring Power Alert Type.......................................................................................................................................................... 72
7.3 Remote Log Storage...................................................................................................................................................................................... 73
7.4 Serial Port Logging......................................................................................................................................................................................... 73
7.5 Network TCP or UDP Port Logging ............................................................................................................................................................. 73
8. Power Management ................................................................................................................................................................................................ 75
8.1 Remote Power Control (RPC)....................................................................................................................................................................... 75
8.1.1 RPC Connection ................................................................................................................................................................................. 75
8.1.2 RPC Access Privileges and Alerts .................................................................................................................................................... 77
8.1.3 User Power Management ................................................................................................................................................................ 77
8.1.4 RPC Status .......................................................................................................................................................................................... 78
8.2 Uninterruptible Power Supply Control (UPS) ............................................................................................................................................. 78
8.2.1 Managed UPS Connections ............................................................................................................................................................. 79
8.2.2 Remote UPS Management............................................................................................................................................................... 82
8.2.3 Controlling UPS Powered Computers ............................................................................................................................................. 83
8.2.4 UPS Alerts ........................................................................................................................................................................................... 83
8.2.5 UPS Status .......................................................................................................................................................................................... 83
8.2.6 Overview of Network UPS Tools (NUT) .......................................................................................................................................... 84
9. Authentication........................................................................................................................................................................................................... 87
9.1 Authentication Configuration....................................................................................................................................................................... 87
9.1.1 Local Authentication .......................................................................................................................................................................... 87
9.1.2 TACACS Authentication.................................................................................................................................................................... 87
9.1.3 RADIUS Authentication ..................................................................................................................................................................... 88
9.1.4 LDAP Authentication ......................................................................................................................................................................... 89
9.1.5 RADIUS/TACACS User Configuration.............................................................................................................................................. 89
9.2 Pluggable Authentication Modules (PAM)................................................................................................................................................. 90
9.3 SSL Certificate ................................................................................................................................................................................................ 91
10. Nagios Integration.................................................................................................................................................................................................. 94
10.1 Nagios Overview .......................................................................................................................................................................................... 94
10.2 Central Management and Setting Up SDT for Nagios .......................................................................................................................... 95
10.2.1 Setup Central Nagios Server.......................................................................................................................................................... 96
10.2.2 Setup Distributed Console Servers................................................................................................................................................ 96
10.3 Configuring Nagios Distributed Monitoring ............................................................................................................................................. 98
10.3.1 Enable Nagios on the Console Server.......................................................................................................................................... 98
10.3.2 Enable NRPE Monitoring................................................................................................................................................................. 99
10.3.3 Enable NSCA Monitoring................................................................................................................................................................ 99
10.3.4 Configure Selected Serial Ports for Nagios Monitoring .............................................................................................................100
10.3.5 Configure Selected Network Hosts for Nagios Monitoring.......................................................................................................100
10.3.6 Configure the Upstream Nagios Monitoring Host ......................................................................................................................100
10.4 Advanced Distributed Monitoring Configuration ....................................................................................................................................100
10.4.1 Sample Nagios Configuration ........................................................................................................................................................100
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