MTD 248-645A Manual de usuario descargar pdf (Pagina 327)

Linux From Scratch - Version 7.0

307

*) break ;;

esac

done

if [ -n "$help" ]; then

echo "${VERSTR}"

echo "${USAGE}"

echo

cat << HERE_EOF

ifdown is used to bring down a network interface. The interface

parameter, e.g. eth0 or eth0:2, must match the trailing part of the

interface specifications file, e.g. /etc/sysconfig/ifconfig.eth0:2.

HERE_EOF

exit 0

file=/etc/sysconfig/ifconfig.${1}

# Skip backup files

[ "${file}" = "${file%""~""}" ] || exit 0

. /lib/lsb/init-functions

if [ ! -r "${file}" ]; then

log_warning_msg "${file} is missing or cannot be accessed."

exit 1

. ${file}

if [ "$IFACE" = "" ]; then

log_failure_msg "${file} does not define an interface [IFACE]."

exit 1

# This will run the service script, if SERVICE is set

if [ -n "${SERVICE}" -a -x "/lib/services/${SERVICE}" ]; then

if ip link show ${IFACE} > /dev/null 2>&1; then

IFCONFIG=${file} /lib/services/${SERVICE} ${IFACE} down

else

log_warning_msg "Interface ${1} doesn't exist."

echo_warning

else

MSG="Unable to process ${file}. Either "

MSG="${MSG}the SERVICE variable was not set"

MSG="${MSG}or the specified service cannot be executed."

log_failure_msg "$MSG"

exit 1

link_status=`ip link show ${IFACE} 2>/dev/null`

if [ -n "${link_status}" ]; then

if [ "$(echo "${link_status}" | grep UP)" != "" ]; then

if [ "$(ip addr show ${IFACE} | grep 'inet ')" != "" ]; then

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