Changeset cba2d4e for chapter07/network.xml

Timestamp:

04/03/2014 09:52:09 PM (10 years ago)

Author:

Bruce Dubbs <bdubbs@…>

Branches:

10.0, 10.0-rc1, 10.1, 10.1-rc1, 11.0, 11.0-rc1, 11.0-rc2, 11.0-rc3, 11.1, 11.1-rc1, 11.2, 11.2-rc1, 11.3, 11.3-rc1, 12.0, 12.0-rc1, 12.1, 12.1-rc1, 7.6, 7.7, 7.8, 7.9, 8.0, 8.1, 8.2, 8.3, 8.4, 9.0, 9.1, arm, bdubbs/gcc13, ml-11.0, multilib, renodr/libudev-from-systemd, s6-init, trunk, xry111/arm64, xry111/arm64-12.0, xry111/clfs-ng, xry111/lfs-next, xry111/loongarch, xry111/loongarch-12.0, xry111/loongarch-12.1, xry111/mips64el, xry111/pip3, xry111/rust-wip-20221008, xry111/update-glibc

Children:

9839808

Parents:

008436e

Message:

Added systemd and dbus to the book.
Set up systemd and System V side-by-side with the
ability to reboot to either system.

git-svn-id: ​http://svn.linuxfromscratch.org/LFS/trunk/BOOK@10520 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

File:

• chapter07/network.xml (modified) (5 diffs)

chapter07/network.xml

@@ -43 +43 @@
     to network cards based on their MAC address.</para>
 
-    <para>The rules were pre-generated in the build instructions for
-    <application>udev (systemd)</application> in the last chapter.  Inspect the
+    <para>If using the traditional network interface names such as eth0 is desired,
+    generate a custom Udev rule:</para>
+
+<screen><userinput>bash /lib/udev/init-net-rules.sh</userinput></screen>    
+
+    <para> Now, inspect the
     <filename>/etc/udev/rules.d/70-persistent-net.rules</filename> file, to
     find out which name was assigned to which network device:</para>
@@ -123 +127 @@
     class="directory">/etc/sysconfig/</filename>.  This directory should
     contain a file for each interface to be configured, such as
-    <filename>ifconfig.xyz</filename>, where <quote>xyz</quote> is
-    meaningful to the administrator such as the device name (e.g. eth0).
-    Inside this file are attributes to this interface, such as its IP
-    address(es), subnet masks, and so forth.  It is necessary that
-    the stem of the filename be <emphasis>ifconfig</emphasis>.</para>
+    <filename>ifconfig.xyz</filename>, where <quote>xyz</quote> is required to
+    be a Network Card Interface name (e.g. eth0).  Inside this file are
+    attributes to this interface, such as its IP address(es), subnet masks, and
+    so forth.  It is necessary that the stem of the filename be
+    <emphasis>ifconfig</emphasis>.</para>
+
+    <note><para>If the procedure in the previous section was not used, Udev
+    will assign network card interface names based on system physical
+    characteristics such as enp2s1. If you are not sure what your interface
+    name is, you can always run <command>ip link</command>  after you have
+    booted your system.  Again, it is important that ifconfig.xyz is named
+    after correct network card interface name (e.g. ifconfig.enp2s1 or
+    ifconfig.eth0) or your network interface will not be initialized during
+    the boot process.</para></note>
 
     <para>The following command creates a sample file for the
@@ -137 +150 @@
 IFACE=eth0
 SERVICE=ipv4-static
-IP=192.168.1.1
-GATEWAY=192.168.1.2
+IP=192.168.1.2
+GATEWAY=192.168.1.1
 PREFIX=24
 BROADCAST=192.168.1.255</literal>
@@ -147 +160 @@
 
     <para>If the <envar>ONBOOT</envar> variable is set to <quote>yes</quote> the
-    network script will bring up the Network Interface Card (NIC) during
+    System V network script will bring up the Network Interface Card (NIC) during
     booting of the system. If set to anything but <quote>yes</quote> the NIC
     will be ignored by the network script and not be automatically brought up.
@@ -182 +195 @@
   </sect2>
 
+  <sect2 id="systemd-net-enable">
+    <title>Configuring the Network Interface Card at boot (systemd)</title>
+
+    <para>Enabling of the network interface card configuration 
+    in systemd is done per interface. To enable network interface card
+    configuration at boot, run:</para>
+
+<screen><userinput>systemctl enable ifupdown@eth0</userinput></screen>
+
+    <para>To disable a previously enabled network interface
+    card configuration at boot, run:</para>
+
+<screen><userinput>systemctl disable ifupdown@eth0</userinput></screen>
+
+    <para>To manually start the network interface card configuration,
+    run:</para>
+
+<screen><userinput>systemctl start ifupdown@eth0</userinput></screen>
+
+    <para>Replace eth0 with the correct network interface card
+    name as described on the beginning of this page.</para>
+
+    <note><para>The network card can also be started or stopped
+    with the traditional <command>ifup &lt;device&gt;</command> or
+    <command>ifdown &lt;device&gt;</command> commands.</para></note>
+
+  </sect2>
+
   <sect2 id="resolv.conf">
     <title>Creating the /etc/resolv.conf File</title>