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Uninstalling Smart Scripting

Uninstalling the Smart Scripting package removes it from the internal ash memory.

CAUTION: Before you uninstall the Smart Scripting package, stop all scripts that are running using the no script script-

name command. You must also manually stop the HTTP server daemon.

NOTE: If installed, uninstall the VSN Agent package before uninstalling the Smart Scripting package.

• Uninstall the Smart Scripting package stored on the switch.

EXEC Privilege

package uninstall package-name

Enter the name of the Smart Scripting package exactly as it appears in the show packages list.

Dell Environment Variables

Dell Networking OS provides the following set of environment variables that you can access through scripts (PERL, Python, Ruby, TCL,

UNIX, and ZSH).

1 DELL_TRGEVT_NAME — gets the name of the Event that triggered the script.

2 DELL_TRGEVT_TYPE — displays the type of event that triggered the script. The event type can be mentioned as follows:

Table 3. DELL_TRGEVT_TYPE Event and Environment Variable

Event DELL_TRGEVT_TYPE (Environment Variable)

cpu-usage CPU

log-event LOG EVENT

mem-usage MEMORY

time-event TIME EVENT

3 DELL_TRGEVT_LOGMSG — displays the log message that triggered the script. It prints a maximum of 256 characters.

4 DELL_TRGEVT_CPU — gets the CPU percentage that triggered the script.

5 DELL_TRGEVT_MEM — displays the memory usage that triggered the script.

Following is the sample script illustrating the use of environment variables:

#! /usr/bin/tclsh

set filename "/f10/flash/Log.txt"

set fileId [open $filename "a+"]

switch $env(DELL_TRGEVT_TYPE) {

"TIME EVENT" {

set data "Sending Mail : The triggered Event $env(DELL_TRGEVT_NAME) is Time Event

- Reload Started"

}

"LOG EVENT" {

set data "Sending Mail : Triggered Event is $env(DELL_TRGEVT_NAME) BPDU Guard

Initiated , Port will recover once it is out of Error Disable State \n"

set data [concat $data "Attching the Log Message : $env(DELL_TRGEVT_LOGMSG)"]

}

"CPU" {

set data "Sending Mail : Triggered Event is $env(DELL_TRGEVT_NAME) CPU Limits

Smart Scripting