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+<!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.26. /lib/services/ipv4-static
+    </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-12.1">
+    <div class="navheader">
+      <h4>
+        Линукс с нуля - Версия 12.1
+      </h4>
+      <h3>
+        Приложение D. Скрипты загрузки и настройки системы-20230728
+      </h3>
+      <ul>
+        <li class="prev">
+          <a accesskey="p" href="apds25.html" title="/sbin/ifdown">Пред.</a>
+          <p>
+            /sbin/ifdown
+          </p>
+        </li>
+        <li class="next">
+          <a accesskey="n" href="apds27.html" title=
+          "/lib/services/ipv4-static-route">След.</a>
+          <p>
+            /lib/services/ipv4-static-route
+          </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 12.1">Начало</a>
+        </li>
+      </ul>
+    </div>
+    <h1 class="sect1">
+      <a id="ipv4static" name="ipv4static"></a>D.26.
+      /lib/services/ipv4-static
+    </h1>
+    <div class="wrap" lang="ru" xml:lang="ru">
+      <pre class="screen">#!/bin/sh
+########################################################################
+# Begin /lib/services/ipv4-static
+#
+# Description : IPV4 Static Boot Script
+#
+# Authors     : Nathan Coulson - nathan@linuxfromscratch.org
+#               Kevin P. Fleming - kpfleming@linuxfromscratch.org
+# Update      : Bruce Dubbs - bdubbs@linuxfromscratch.org
+#
+# Version     : LFS 7.0
+#
+########################################################################
+
+. /lib/lsb/init-functions
+. ${IFCONFIG}
+
+if [ -z "${IP}" ]; then
+   log_failure_msg "\nIP variable missing from ${IFCONFIG}, cannot continue."
+   exit 1
+fi
+
+if [ -z "${PREFIX}" -a -z "${PEER}" ]; then
+   log_warning_msg "\nPREFIX variable missing from ${IFCONFIG}, assuming 24."
+   PREFIX=24
+   args="${args} ${IP}/${PREFIX}"
+
+elif [ -n "${PREFIX}" -a -n "${PEER}" ]; then
+   log_failure_msg "\nPREFIX and PEER both specified in ${IFCONFIG}, cannot continue."
+   exit 1
+
+elif [ -n "${PREFIX}" ]; then
+   args="${args} ${IP}/${PREFIX}"
+
+elif [ -n "${PEER}" ]; then
+   args="${args} ${IP} peer ${PEER}"
+fi
+
+if [ -n "${LABEL}" ]; then
+   args="${args} label ${LABEL}"
+fi
+
+if [ -n "${BROADCAST}" ]; then
+   args="${args} broadcast ${BROADCAST}"
+fi
+
+case "${2}" in
+   up)
+      if [ "$(ip addr show ${1} 2&gt;/dev/null | grep ${IP}/)" = "" ]; then
+         log_info_msg "Adding IPv4 address ${IP} to the ${1} interface..."
+         ip addr add ${args} dev ${1}
+         evaluate_retval
+      else
+         log_warning_msg "Cannot add IPv4 address ${IP} to ${1}.  Already present."
+      fi
+   ;;
+
+   down)
+      if [ "$(ip addr show ${1} 2&gt;/dev/null | grep ${IP}/)" != "" ]; then
+         log_info_msg "Removing IPv4 address ${IP} from the ${1} interface..."
+         ip addr del ${args} dev ${1}
+         evaluate_retval
+      fi
+
+      if [ -n "${GATEWAY}" ]; then
+         # Only remove the gateway if there are no remaining ipv4 addresses
+         if [ "$(ip addr show ${1} 2&gt;/dev/null | grep 'inet ')" != "" ]; then
+            log_info_msg "Removing default gateway..."
+            ip route del default
+            evaluate_retval
+         fi
+      fi
+   ;;
+
+   *)
+      echo "Usage: ${0} [interface] {up|down}"
+      exit 1
+   ;;
+esac
+
+# End /lib/services/ipv4-static
+</pre>
+    </div>
+    <div class="navfooter">
+      <ul>
+        <li class="prev">
+          <a accesskey="p" href="apds25.html" title="/sbin/ifdown">Пред.</a>
+          <p>
+            /sbin/ifdown
+          </p>
+        </li>
+        <li class="next">
+          <a accesskey="n" href="apds27.html" title=
+          "/lib/services/ipv4-static-route">След.</a>
+          <p>
+            /lib/services/ipv4-static-route
+          </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 12.1">Начало</a>
+        </li>
+      </ul>
+    </div>
+  </body>
+</html>