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| author | Sn4il <sn4il@thedroth.rocks> | 2024-01-10 16:57:29 +0300 |
|---|---|---|
| committer | Sn4il <sn4il@thedroth.rocks> | 2024-01-10 16:57:29 +0300 |
| commit | c4d43142181a45b849a15cf8ec5ebe61cea33897 (patch) | |
| tree | 459a90d19e6f1ece81fbf364c1b5292214d99615 /lfs-12.0-sysv/scripts/apds25.html | |
| parent | a044ba7b1561a513e33de0b7c1876aaa401a26d7 (diff) | |
| download | sn4il-site-c4d43142181a45b849a15cf8ec5ebe61cea33897.tar.gz sn4il-site-c4d43142181a45b849a15cf8ec5ebe61cea33897.zip | |
LFS 12 mirror
Diffstat (limited to 'lfs-12.0-sysv/scripts/apds25.html')
| -rw-r--r-- | lfs-12.0-sysv/scripts/apds25.html | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/lfs-12.0-sysv/scripts/apds25.html b/lfs-12.0-sysv/scripts/apds25.html new file mode 100644 index 0000000..4b65350 --- /dev/null +++ b/lfs-12.0-sysv/scripts/apds25.html @@ -0,0 +1,179 @@ +<!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.25. /sbin/ifdown + </title> + <link rel="stylesheet" type="text/css" href="../stylesheets/lfs.css" /> + <meta name="generator" content="DocBook XSL Stylesheets V1.79.1" /> + <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-12.0"> + <div class="navheader"> + <h4> + Линукс с нуля - Версия 12.0 + </h4> + <h3> + Приложение D. Скрипты загрузки и настройки системы-20230728 + </h3> + <ul> + <li class="prev"> + <a accesskey="p" href="apds24.html" title="/sbin/ifup">Пред.</a> + <p> + /sbin/ifup + </p> + </li> + <li class="next"> + <a accesskey="n" href="apds26.html" title= + "/lib/services/ipv4-static">След.</a> + <p> + /lib/services/ipv4-static + </p> + </li> + <li class="up"> + <a accesskey="u" href="scripts.html" title= + "Приложение D. Скрипты загрузки и настройки системы-20230728">Наверх</a> + </li> + <li class="home"> + <a accesskey="h" href="../index.html" title= + "Линукс с нуля - Версия 12.0">Начало</a> + </li> + </ul> + </div> + <div class="wrap" lang="en" xml:lang="en"> + <h1 class="sect1"> + <a id="ifdown" name="ifdown"></a>D.25. /sbin/ifdown + </h1> + <pre class="screen">#!/bin/bash +######################################################################## +# Begin /sbin/ifdown +# +# Description : Interface Down +# +# Authors : Nathan Coulson - nathan@linuxfromscratch.org +# Kevin P. Fleming - kpfleming@linuxfromscratch.org +# Update : Bruce Dubbs - bdubbs@linuxfromscratch.org +# +# Version : LFS 7.0 +# +# Notes : the IFCONFIG variable is passed to the scripts found +# in the /lib/services directory, to indicate what file the +# service should source to get interface specifications. +# +######################################################################## + +RELEASE="7.0" + +USAGE="Usage: $0 [ -hV ] [--help] [--version] interface" +VERSTR="LFS ifdown, 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 "${USAGE}" + echo + cat << HERE_EOF +ifdown is used to bring down a network interface. The interface +parameter, e.g. eth0 or eth0:2, must match the trailing part of the +interface specifications file, e.g. /etc/sysconfig/ifconfig.eth0:2. + +HERE_EOF + exit 0 +fi + +file=/etc/sysconfig/ifconfig.${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 +fi + +. ${file} + +if [ "$IFACE" = "" ]; then + log_failure_msg "${file} does not define an interface [IFACE]." + exit 1 +fi + +# We only need to first service to bring down the interface +S=`echo ${SERVICE} | cut -f1 -d" "` + +if ip link show ${IFACE} > /dev/null 2>&1; then + if [ -n "${S}" -a -x "/lib/services/${S}" ]; then + IFCONFIG=${file} /lib/services/${S} ${IFACE} down + 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 + fi +else + log_warning_msg "Interface ${1} doesn't exist." +fi + +# Leave the interface up if there are additional interfaces in the device +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 + log_info_msg "Bringing down the ${IFACE} interface..." + ip link set ${IFACE} down + evaluate_retval + fi + fi +fi + +# End /sbin/ifdown +</pre> + </div> + <div class="navfooter"> + <ul> + <li class="prev"> + <a accesskey="p" href="apds24.html" title="/sbin/ifup">Пред.</a> + <p> + /sbin/ifup + </p> + </li> + <li class="next"> + <a accesskey="n" href="apds26.html" title= + "/lib/services/ipv4-static">След.</a> + <p> + /lib/services/ipv4-static + </p> + </li> + <li class="up"> + <a accesskey="u" href="scripts.html" title= + "Приложение D. Скрипты загрузки и настройки системы-20230728">Наверх</a> + </li> + <li class="home"> + <a accesskey="h" href="../index.html" title= + "Линукс с нуля - Версия 12.0">Начало</a> + </li> + </ul> + </div> + </body> +</html> |