09-23-2009
vpn connect/disconnect shell script
Hi
I am not so good in scripting..trying ot learn it...need guidance of the experts in shell scripting..
Let me explain the scenario first..
a server MX1 is connected to another server MX2[199.8.7.29] through vpn..every 5 minute a script runs to test vpn connectivity between the 2 servers.when the vpn goes down a mail is sent as notification from MX..here is the shell script i have written on MX1..
sleep 1
l=`nmap -P0 -p25 199.8.7.29`
echo $l > /var/log/vpncon.log && echo $l >> /var/log/monscrpt.log
grep -qi "open" /var/log/vpncon.log
j=`echo $?`
if [ $j -ne 0 ]; then
echo Partner VPN Failed >> /var/log/monscrpt.log && echo $l | mailx -s "Partner VPN Failed" 'aarti_sankhe@cactus.com'
fi
the scipt only sends an email when the vpn goes down..
my next task is when the vpn comes up i need to send a mail form this script hat the vpn is up now..
please suggest.
Thanks in advance..
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LEARN ABOUT CENTOS
platform::shell
platform::shell(n) Tcl Bundled Packages platform::shell(n)
__________________________________________________________________________________________________________________________________________________
NAME
platform::shell - System identification support code and utilities
SYNOPSIS
package require platform::shell ?1.1.4?
platform::shell::generic shell
platform::shell::identify shell
platform::shell::platform shell
_________________________________________________________________
DESCRIPTION
The platform::shell package provides several utility commands useful for the identification of the architecture of a specific Tcl shell.
This package allows the identification of the architecture of a specific Tcl shell different from the shell running the package. The only
requirement is that the other shell (identified by its path), is actually executable on the current machine.
While for most platform this means that the architecture of the interrogated shell is identical to the architecture of the running shell
this is not generally true. A counter example are all platforms which have 32 and 64 bit variants and where a 64bit system is able to run
32bit code. For these running and interrogated shell may have different 32/64 bit settings and thus different identifiers.
For applications like a code repository it is important to identify the architecture of the shell which will actually run the installed
packages, versus the architecture of the shell running the repository software.
COMMANDS
platform::shell::identify shell
This command does the same identification as platform::identify, for the specified Tcl shell, in contrast to the running shell.
platform::shell::generic shell
This command does the same identification as platform::generic, for the specified Tcl shell, in contrast to the running shell.
platform::shell::platform shell
This command returns the contents of tcl_platform(platform) for the specified Tcl shell.
KEYWORDS
operating system, cpu architecture, platform, architecture
platform::shell 1.1.4 platform::shell(n)