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diff --git a/lfs-12.2-sysv/scripts/apds24.html b/lfs-12.2-sysv/scripts/apds24.html new file mode 100644 index 0000000..4b496a6 --- /dev/null +++ b/lfs-12.2-sysv/scripts/apds24.html @@ -0,0 +1,229 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml"> + <head> + <meta http-equiv="Content-Type" content="application/xhtml+xml; charset=utf-8" /> + <title> + D.24. /sbin/ifup + </title> + <link rel="stylesheet" type="text/css" href="../stylesheets/lfs.css" /> + <meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /> + <link rel="stylesheet" href="../stylesheets/lfs-print.css" type= + "text/css" media="print" /> + <meta name="viewport" content="width=device-width, initial-scale=1.0" /> + </head> + <body class="lfs" id="lfs-12.2"> + <div class="navheader"> + <h4> + Линукс с нуля - Версия 12.2 + </h4> + <h3> + Приложение D. Скрипты загрузки и настройки системы-20240825 + </h3> + <ul> + <li class="prev"> + <a accesskey="p" href="apds23.html" title= + "/etc/sysconfig/udev-retry">Пред.</a> + <p> + /etc/sysconfig/udev-retry + </p> + </li> + <li class="next"> + <a accesskey="n" href="apds25.html" title="/sbin/ifdown">След.</a> + <p> + /sbin/ifdown + </p> + </li> + <li class="up"> + <a accesskey="u" href="scripts.html" title= + "Приложение D. Скрипты загрузки и настройки системы-20240825">Наверх</a> + </li> + <li class="home"> + <a accesskey="h" href="../index.html" title= + "Линукс с нуля - Версия 12.2">Начало</a> + </li> + </ul> + </div> + <h1 class="sect1"> + <a id="ifup" name="ifup"></a>D.24. /sbin/ifup + </h1> + <div class="wrap" lang="ru" xml:lang="ru"> + <pre class="screen">#!/bin/sh +######################################################################## +# Begin /sbin/ifup +# +# Description : Interface Up +# +# Authors : Nathan Coulson - nathan@linuxfromscratch.org +# Kevin P. Fleming - kpfleming@linuxfromscratch.org +# Update : Bruce Dubbs - bdubbs@linuxfromscratch.org +# DJ Lucas - dj@linuxfromscratch.org +# +# Version : LFS 7.7 +# +# Notes : The IFCONFIG variable is passed to the SERVICE script +# in the /lib/services directory, to indicate what file the +# service should source to get interface specifications. +# +######################################################################## + +up() +{ + log_info_msg "Bringing up the ${1} interface..." + + if ip link show $1 > /dev/null 2>&1; then + link_status=`ip link show $1` + + if [ -n "${link_status}" ]; then + if ! echo "${link_status}" | grep -q UP; then + ip link set $1 up + fi + fi + + else + log_failure_msg "Interface ${IFACE} doesn't exist." + exit 1 + fi + + evaluate_retval +} + +RELEASE="7.7" + +USAGE="Usage: $0 [ -hV ] [--help] [--version] interface" +VERSTR="LFS ifup, version ${RELEASE}" + +while [ $# -gt 0 ]; do + case "$1" in + --help | -h) help="y"; break ;; + + --version | -V) echo "${VERSTR}"; exit 0 ;; + + -*) echo "ifup: ${1}: invalid option" >&2 + echo "${USAGE}" >& 2 + exit 2 ;; + + *) break ;; + esac +done + +if [ -n "$help" ]; then + echo "${VERSTR}" + echo "${USAGE}" + echo + cat << HERE_EOF +ifup is used to bring up a network interface. The interface +parameter, e.g. eth0 or eth0:2, must match the trailing part of the +interface specifications file, e.g. /etc/sysconfig/ifconfig.eth0:2. + +HERE_EOF + exit 0 +fi + +file=/etc/sysconfig/ifconfig.${1} + +# Skip backup files +[ "${file}" = "${file%""~""}" ] || exit 0 + +. /lib/lsb/init-functions + +if [ ! -r "${file}" ]; then + log_failure_msg "Unable to bring up ${1} interface! ${file} is missing or cannot be accessed." + exit 1 +fi + +. $file + +if [ "$IFACE" = "" ]; then + log_failure_msg "Unable to bring up ${1} interface! ${file} does not define an interface [IFACE]." + exit 1 +fi + +# Do not process this service if started by boot, and ONBOOT +# is not set to yes +if [ "${IN_BOOT}" = "1" -a "${ONBOOT}" != "yes" ]; then + exit 0 +fi + +# Bring up the interface +if [ "$VIRTINT" != "yes" ]; then + up ${IFACE} +fi + +for S in ${SERVICE}; do + if [ ! -x "/lib/services/${S}" ]; then + MSG="\nUnable to process ${file}. Either " + MSG="${MSG}the SERVICE '${S} was not present " + MSG="${MSG}or cannot be executed." + log_failure_msg "$MSG" + exit 1 + fi +done + +#if [ "${SERVICE}" = "wpa" ]; then log_success_msg; fi + +# Create/configure the interface +for S in ${SERVICE}; do + IFCONFIG=${file} /lib/services/${S} ${IFACE} up +done + +# Set link up virtual interfaces +if [ "${VIRTINT}" == "yes" ]; then + up ${IFACE} +fi + +# Bring up any additional interface components +for I in $INTERFACE_COMPONENTS; do up $I; done + +# Set MTU if requested. Check if MTU has a "good" value. +if test -n "${MTU}"; then + if [[ ${MTU} =~ ^[0-9]+$ ]] && [[ $MTU -ge 68 ]] ; then + for I in $IFACE $INTERFACE_COMPONENTS; do + ip link set dev $I mtu $MTU; + done + else + log_info_msg2 "Invalid MTU $MTU" + fi +fi + +# Set the route default gateway if requested +if [ -n "${GATEWAY}" ]; then + if ip route | grep -q default; then + log_warning_msg "Gateway already setup; skipping." + else + log_info_msg "Adding default gateway ${GATEWAY} to the ${IFACE} interface..." + ip route add default via ${GATEWAY} dev ${IFACE} + evaluate_retval + fi +fi + +# End /sbin/ifup +</pre> + </div> + <div class="navfooter"> + <ul> + <li class="prev"> + <a accesskey="p" href="apds23.html" title= + "/etc/sysconfig/udev-retry">Пред.</a> + <p> + /etc/sysconfig/udev-retry + </p> + </li> + <li class="next"> + <a accesskey="n" href="apds25.html" title="/sbin/ifdown">След.</a> + <p> + /sbin/ifdown + </p> + </li> + <li class="up"> + <a accesskey="u" href="scripts.html" title= + "Приложение D. Скрипты загрузки и настройки системы-20240825">Наверх</a> + </li> + <li class="home"> + <a accesskey="h" href="../index.html" title= + "Линукс с нуля - Версия 12.2">Начало</a> + </li> + </ul> + </div> + </body> +</html> |