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collectnetworkinfo.sh

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#!/bin/bash

IP4FW=/sbin/iptables

IP6FW=/sbin/ip6tables

LSPCI=/usr/bin/lspci

ROUTE=/sbin/route

NETSTAT=/bin/netstat

LSB=/usr/bin/lsb_release

## files ##

DNSCLIENT="/etc/resolv.conf"

DRVCONF="/etc/modprobe.conf"

NETALIASCFC="/etc/sysconfig/network-scripts/ifcfg-eth?-range?"

NETCFC="/etc/sysconfig/network-scripts/ifcfg-eth?"

NETSTATICROUTECFC="/etc/sysconfig/network-scripts/route-eth?"

SYSCTL="/etc/sysctl.conf"

## Output file ##

OUTPUT="network.$(date +'%d-%m-%y').info.txt"

## Email info to?? ##

SUPPORT_ID="your_name@service_provider.com"

chk_root() {

local meid=$(id -u)

if [ $meid -ne 0 ]; then

echo "You must be root user to run this tool"

exit 999

fi

}

write_header() {

echo "---------------------------------------------------" >>$OUTPUT

echo "$@" >>$OUTPUT

echo "---------------------------------------------------" >>$OUTPUT

}

dump_info() {

echo "* Hostname: $(hostname)" >$OUTPUT

echo "* Run date and time: $(date)" >>$OUTPUT

write_header "Linux Distro"

echo "Linux kernel: $(uname -mrs)" >>$OUTPUT

$LSB -a >>$OUTPUT

[ -x ${HWINF} ] && write_header "${HWINF}"

[ -x ${HWINF} ] && ${HWINF} >>$OUTPUT

[ -x ${HWINF} ] && write_header "${HWINF}"

[ -x ${HWINF} ] && ${HWINF} >>$OUTPUT

write_header "PCI Devices"

${LSPCI} -v >>$OUTPUT

write_header "$IFCFG Output"

$IFCFG >>$OUTPUT

write_header "Kernel Routing Table"

$ROUTE -n >>$OUTPUT

write_header "Network Card Drivers Configuration $DRVCONF"

[ -f $DRVCONF ] && grep eth $DRVCONF >>$OUTPUT || echo "Error $DRVCONF file not found." >>$OUTPUT

write_header "DNS Client $DNSCLIENT Configuration"

[ -f $DNSCLIENT ] && cat $DNSCLIENT >>$OUTPUT || echo "Error $DNSCLIENT file not found." >>$OUTPUT

write_header "Network Configuration File"

for f in $NETCFC; do

if [ -f $f ]; then

echo "** $f **" >>$OUTPUT

cat $f >>$OUTPUT

else

echo "Error $f not found." >>$OUTPUT

fi

done

write_header "Network Aliase File"

for f in $NETALIASCFC; do

if [ -f $f ]; then

echo "** $f **" >>$OUTPUT

cat $f >>$OUTPUT

else

echo "Error $f not found." >>$OUTPUT

fi

done

write_header "Network Static Routing Configuration"

for f in $NETSTATICROUTECFC; do

if [ -f $f ]; then

echo "** $f **" >>$OUTPUT

cat $f >>$OUTPUT

else

echo "Error $f not found." >>$OUTPUT

fi

done

write_header "IP4 Firewall Configuration"

$IP4FW -L -n >>$OUTPUT

write_header "IP6 Firewall Configuration"

$IP6FW -L -n >>$OUTPUT

write_header "Network Stats"

$NETSTAT -s >>$OUTPUT

write_header "Network Tweaks via $SYSCTL"

[ -f $SYSCTL ] && cat $SYSCTL >>$OUTPUT || echo "Error $SYSCTL not found." >>$OUTPUT

echo "The Network Configuration Info Written To $OUTPUT. Please email this file to $SUPPORT_ID."

}

chk_root

dump_info