lfs-book-i18n/zh_CN/chapter09/networkd.po

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#. type: Content of: <sect1><title>
msgid "General Network Configuration"
msgstr "一般网络配置"

#. type: Content of: <sect1><sect2><indexterm><primary>
msgid "network"
msgstr "network"

#. type: Content of: <sect1><sect2><indexterm><secondary>
msgid "configuring"
msgstr "配置"

#. type: Content of: <sect1><para>
msgid "This section only applies if a network card is to be configured."
msgstr "本节只适用于需要配置网卡的情况。"

#. type: Content of: <sect1><sect2><title>
msgid "Network Interface Configuration Files"
msgstr "网络接口配置文件"

#. type: Content of: <sect1><sect2><para>
msgid ""
"Starting with version 209, systemd ships a network configuration daemon "
"called <command>systemd-networkd</command> which can be used for basic "
"network configuration. Additionally, since version 213, DNS name resolution "
"can be handled by <command>systemd-resolved</command> in place of a static "
"<filename>/etc/resolv.conf</filename> file. Both services are enabled by "
"default."
msgstr ""
"从 209 版本开始，systemd 提供一个名为 <command>systemd-networkd</command> 的"
"网络配置守护进程，它能够用于基础网络配置。另外，自 213 版本起，可以用 "
"<command>systemd-resolved</command> 代替静态 <filename>/etc/resolv.conf</"
"filename> 文件处理域名解析。这两个服务在默认情况下都是启用的。"

#. type: Content of: <sect1><sect2><para>
msgid ""
"Configuration files for <command>systemd-networkd</command> (and "
"<command>systemd-resolved</command>) can be placed in <filename class="
"\"directory\">/usr/lib/systemd/network</filename> or <filename class="
"\"directory\">/etc/systemd/network</filename>. Files in <filename class="
"\"directory\">/etc/systemd/network</filename> have a higher priority than "
"the ones in <filename class=\"directory\">/usr/lib/systemd/network</"
"filename>.  There are three types of configuration files: <filename class="
"\"extension\">.link</filename>, <filename class=\"extension\">.netdev</"
"filename> and <filename class=\"extension\">.network</filename> files. For "
"detailed descriptions and example contents of these configuration files, "
"consult the <filename>systemd-link(5)</filename>, <filename>systemd-"
"netdev(5)</filename> and <filename>systemd-network(5)</filename> manual "
"pages."
msgstr ""
"<command>systemd-networkd</command> (以及 <command>systemd-resolved</"
"command>)的配置文件可以放置在 <filename class=\"directory\">/usr/lib/systemd/"
"network</filename> 或 <filename class=\"directory\">/etc/systemd/network</"
"filename> 中。<filename class=\"directory\">/etc/systemd/network</filename> "
"中的配置文件优先级高于 <filename class=\"directory\">/usr/lib/systemd/"
"network</filename> 中的配置文件。有三种类型的配置文件：<filename class="
"\"extension\">.link</filename>、<filename class=\"extension\">.netdev</"
"filename> 和 <filename class=\"extension\">.network</filename> 文件。要获得它"
"们的详细描述和内容示例，参阅 <filename>systemd-link(5)</filename>、"
"<filename>systemd-netdev(5)</filename> 和 <filename>systemd-network(5)</"
"filename> man 手册页面。"

#. type: Content of: <sect1><sect2><sect3><title>
msgid "Network Device Naming"
msgstr "网络设备命名"

#. type: Content of: <sect1><sect2><sect3><para>
msgid ""
"Udev normally assigns network card interface names based on physical system "
"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."
msgstr ""
"Udev 一般根据系统物理特征为网卡分配接口名，例如 enp2s1。如果您不确定接口名是"
"什么，可以在引导您的系统后，运行 <command>ip link</command> 命令。"

#. type: Content of: <sect1><sect2><sect3><para>
msgid ""
"For most systems, there is only one network interface for each type of "
"connection.  For example, the classic interface name for a wired connection "
"is eth0.  A wireless connection will usually have the name wifi0 or wlan0."
msgstr ""
"对于多数系统，每种连接类型只有一个网络接口。例如，有线连接的经典接口名是 "
"eth0，而无线连接的接口名一般是 wifi0 或 wlan0。"

#. type: Content of: <sect1><sect2><sect3><para>
msgid ""
"If you prefer to use the classic or customized network interface names, "
"there are three alternative ways to do that:"
msgstr "如果您偏爱经典或自定义网络接口名，可以使用三种不同方式："

#. type: Content of: <sect1><sect2><sect3><itemizedlist><listitem><para><screen>
#, no-wrap
msgid "<userinput>ln -s /dev/null /etc/systemd/network/99-default.link</userinput>"
msgstr "<userinput>ln -s /dev/null /etc/systemd/network/99-default.link</userinput>"

#. type: Content of: <sect1><sect2><sect3><itemizedlist><listitem><para>
msgid ""
"Mask udev's .link file for the default policy: <placeholder type=\"screen\" "
"id=\"0\"/>"
msgstr ""
"覆盖 udev 提供默认策略的 .link 文件：<placeholder type=\"screen\" id=\"0\"/>"

#. type: Content of: <sect1><sect2><sect3><itemizedlist><listitem><para>
msgid ""
"Create a manual naming scheme, for example by naming the interfaces "
"something like \"internet0\", \"dmz0\", or \"lan0\".  To do that, create ."
"link files in /etc/systemd/network/ that select an explicit name or a better "
"naming scheme for your network interfaces. For example:"
msgstr ""
"手动创建命名架构，例如将网络接口命名为“internet0”、“dmz0” 或 “lan0”。为此，"
"在 /etc/systemd/network 中创建 .link 文件，为您的一个、一些或全部网络接口直接"
"选择名称，或选择更好的命名架构。例如："

#. type: Content of: <sect1><sect2><sect3><itemizedlist><listitem><screen>
#, no-wrap
msgid ""
"<userinput>cat &gt; /etc/systemd/network/10-ether0.link &lt;&lt; \"EOF\"\n"
"<literal>[Match]\n"
"# Change the MAC address as appropriate for your network device\n"
"MACAddress=12:34:45:78:90:AB\n"
"\n"
"[Link]\n"
"Name=ether0</literal>\n"
"EOF</userinput>"
msgstr ""
"<userinput>cat &gt; /etc/systemd/network/10-ether0.link &lt;&lt; \"EOF\"\n"
"<literal>[Match]\n"
"# 将 MAC 地址替换为适用于您的网络设备的值\n"
"MACAddress=12:34:45:78:90:AB\n"
"\n"
"[Link]\n"
"Name=ether0</literal>\n"
"EOF</userinput>"

#. type: Content of: <sect1><sect2><sect3><itemizedlist><listitem><para>
msgid "See the man page systemd.link(5) for more information."
msgstr "参阅 man 页面 systemd.link(5) 获得更多信息。"

#. type: Content of: <sect1><sect2><sect3><itemizedlist><listitem><para>
msgid ""
"In /boot/grub/grub.cfg, pass the option net.ifnames=0 on the kernel command "
"line."
msgstr "在 /boot/grub/grub.cfg 的内核命令行中传递选项 net.ifnames=0。"

#. type: Content of: <sect1><sect2><sect3><title>
msgid "Static IP Configuration"
msgstr "静态 IP 配置"

#. type: Content of: <sect1><sect2><sect3><para>
msgid ""
"The command below creates a basic configuration file for a Static IP setup "
"(using both systemd-networkd and systemd-resolved):"
msgstr ""
"以下命令为静态 IP 设置创建一个基本的配置文件 (使用 systemd-networkd 和 "
"systemd-resolved)。"

#.  jhalfs relies on the values for Name, Address, etc. If you want to change
#.      them, please inform the jhalfs maintainer(s). 
#. type: Content of: <sect1><sect2><sect3><screen>
#, no-wrap
msgid ""
"<userinput>cat &gt; /etc/systemd/network/10-eth-static.network &lt;&lt; \"EOF\"\n"
"<literal>[Match]\n"
"Name=<replaceable>&lt;network-device-name&gt;</replaceable>\n"
"\n"
"[Network]\n"
"Address=192.168.0.2/24\n"
"Gateway=192.168.0.1\n"
"DNS=192.168.0.1\n"
"Domains=<replaceable>&lt;Your Domain Name&gt;</replaceable></literal>\n"
"EOF</userinput>"
msgstr ""
"<userinput>cat &gt; /etc/systemd/network/10-eth-static.network &lt;&lt; \"EOF\"\n"
"<literal>[Match]\n"
"Name=<replaceable>&lt;网络设备名&gt;</replaceable>\n"
"\n"
"[Network]\n"
"Address=192.168.0.2/24\n"
"Gateway=192.168.0.1\n"
"DNS=192.168.0.1\n"
"Domains=<replaceable>&lt;您的域名&gt;</replaceable></literal>\n"
"EOF</userinput>"

#. type: Content of: <sect1><sect2><sect3><para>
msgid ""
"Multiple DNS entries can be added if you have more than one DNS server. Do "
"not include DNS or Domains entries if you intend to use a static <filename>/"
"etc/resolv.conf</filename> file."
msgstr ""
"如果您有多个 DNS 服务器，可以在配置文件中创建多个 DNS 项。如果您希望使用静态 "
"<filename>/etc/resolv.conf</filename> 文件，则不要在配置文件中包含 DNS 和 "
"Domains 项。"

#. type: Content of: <sect1><sect2><sect3><title>
msgid "DHCP Configuration"
msgstr "DHCP 配置"

#. type: Content of: <sect1><sect2><sect3><para>
msgid ""
"The command below creates a basic configuration file for an IPv4 DHCP setup:"
msgstr "以下命令为 IPv4 DHCP 配置创建基本配置文件："

#. type: Content of: <sect1><sect2><sect3><screen>
#, no-wrap
msgid ""
"<userinput>cat &gt; /etc/systemd/network/10-eth-dhcp.network &lt;&lt; \"EOF\"\n"
"<literal>[Match]\n"
"Name=&lt;network-device-name&gt;\n"
"\n"
"[Network]\n"
"DHCP=ipv4\n"
"\n"
"[DHCP]\n"
"UseDomains=true</literal>\n"
"EOF</userinput>"
msgstr ""
"<userinput>cat &gt; /etc/systemd/network/10-eth-dhcp.network &lt;&lt; \"EOF\"\n"
"<literal>[Match]\n"
"Name=&lt;网络设备名&gt;\n"
"\n"
"[Network]\n"
"DHCP=ipv4\n"
"\n"
"[DHCP]\n"
"UseDomains=true</literal>\n"
"EOF</userinput>"

#. type: Content of: <sect1><sect2><title>
msgid "Creating the /etc/resolv.conf File"
msgstr "创建 /etc/resolv.conf 文件"

#. type: Content of: <sect1><sect2><indexterm><primary>
msgid "/etc/resolv.conf"
msgstr "/etc/resolv.conf"

#. type: Content of: <sect1><sect2><para>
msgid ""
"If the system is going to be connected to the Internet, it will need some "
"means of Domain Name Service (DNS) name resolution to resolve Internet "
"domain names to IP addresses, and vice versa. This is best achieved by "
"placing the IP address of the DNS server, available from the ISP or network "
"administrator, into <filename>/etc/resolv.conf</filename>."
msgstr ""
"如果要将系统连接到 Internet，它需要某种域名服务 (DNS) 名称解析方式，以将 "
"Internet 域名解析为 IP 地址，或将 IP 地址解析为域名。最好的方法是将 ISP 或网"
"络管理员提供的 DNS 服务器 IP 地址写入 <filename>/etc/resolv.conf</filename>。"

#. type: Content of: <sect1><sect2><sect3><title>
msgid "systemd-resolved Configuration"
msgstr "systemd-resolved 配置"

#. type: Content of: <sect1><sect2><sect3><note><para>
msgid ""
"If using another means to configure your network interfaces (ex: ppp, "
"network-manager, etc.), or if using any type of local resolver (ex: bind, "
"dnsmasq, unbound, etc.), or any other software that generates an <filename>/"
"etc/resolv.conf</filename> (ex: resolvconf), the <command>systemd-resolved</"
"command> service should not be used."
msgstr ""
"如果使用其他方式配置网络接口 (例如 ppp 或 network-manager 等)，或使用了某种本"
"地解析器 (如 bind，dnsmasq，或者 unbound 等)，或其他任何生成 <filename>/etc/"
"resolv.conf</filename> 的软件 (如 resolvconf)，则不应使用 <command>systemd-"
"resolved</command> 服务。"

#. type: Content of: <sect1><sect2><sect3><para>
msgid ""
"When using <command>systemd-resolved</command> for DNS configuration, it "
"creates the file <filename>/run/systemd/resolve/resolv.conf</filename>. "
"Create a symlink in <filename>/etc</filename> to use the generated file:"
msgstr ""
"在使用 <command>systemd-resolved</command> 进行 DNS 配置时，它创建文件 "
"<filename>/run/systemd/resolve/resolv.conf</filename>。在 <filename>/etc</"
"filename> 中创建符号链接以使用生成的文件："

#. type: Content of: <sect1><sect2><sect3><screen>
#, no-wrap
msgid "<userinput>ln -sfv /run/systemd/resolve/resolv.conf /etc/resolv.conf</userinput>"
msgstr "<userinput>ln -sfv /run/systemd/resolve/resolv.conf /etc/resolv.conf</userinput>"

#. type: Content of: <sect1><sect2><sect3><title>
msgid "Static resolv.conf Configuration"
msgstr "静态 resolv.conf 配置"

#. type: Content of: <sect1><sect2><sect3><para>
msgid ""
"If a static <filename>/etc/resolv.conf</filename> is desired, create it by "
"running the following command:"
msgstr ""
"如果希望使用静态的 <filename>/etc/resolv.conf</filename> 执行以下命令创建它："

#. type: Content of: <sect1><sect2><sect3><screen>
#, no-wrap
msgid ""
"<userinput>cat &gt; /etc/resolv.conf &lt;&lt; \"EOF\"\n"
"<literal># Begin /etc/resolv.conf\n"
"\n"
"domain <replaceable>&lt;Your Domain Name&gt;</replaceable>\n"
"nameserver <replaceable>&lt;IP address of your primary nameserver&gt;</replaceable>\n"
"nameserver <replaceable>&lt;IP address of your secondary nameserver&gt;</replaceable>\n"
"\n"
"# End /etc/resolv.conf</literal>\n"
"EOF</userinput>"
msgstr ""
"<userinput>cat &gt; /etc/resolv.conf &lt;&lt; \"EOF\"\n"
"<literal># Begin /etc/resolv.conf\n"
"\n"
"domain <replaceable>&lt;您的域名&gt;</replaceable>\n"
"nameserver <replaceable>&lt;您的主要域名服务器 IP 地址&gt;</replaceable>\n"
"nameserver <replaceable>&lt;您的次要域名服务器 IP 地址&gt;</replaceable>\n"
"\n"
"# End /etc/resolv.conf</literal>\n"
"EOF</userinput>"

#. type: Content of: <sect1><sect2><sect3><para>
msgid ""
"The <varname>domain</varname> statement can be omitted or replaced with a "
"<varname>search</varname> statement.  See the man page for resolv.conf for "
"more details."
msgstr ""
"可以省略 <varname>domain</varname> 语句，或使用一条 <varname>search</"
"varname> 语句代替它。阅读 resolv.conf 的 man 页面了解更多细节。"

#. type: Content of: <sect1><sect2><sect3><para>
msgid ""
"Replace <replaceable>&lt;IP address of the nameserver&gt;</replaceable> with "
"the IP address of the DNS server most appropriate for your setup.  There "
"will often be more than one entry (requirements demand secondary servers for "
"fallback capability). If you only need or want one DNS server, remove the "
"second <emphasis>nameserver</emphasis> line from the file.  The IP address "
"may also be a router on the local network. Another option is to use the "
"Google Public DNS service using the IP addresses below as nameservers."
msgstr ""
"将 <replaceable>&lt;域名服务器的 IP 地址&gt;</replaceable> 替换为您的网络环境"
"下最合适的 DNS 服务器 IP 地址。这里往往会写入不止一个 DNS 服务器 (需要次要服"
"务器作为后备)。如果您只需要或只希望使用一个 DNS 服务器，可以删除文件中的第二"
"个 <emphasis>nameserver</emphasis> 行。可以写入本地网络路由器的 IP 地址。也可"
"以使用 Google 公用 DNS 服务器作为域名服务器，它们的 IP 地址在下面给出。"

#. type: Content of: <sect1><sect2><sect3><note><para>
msgid ""
"The Google Public IPv4 DNS addresses are <parameter>8.8.8.8</parameter> and "
"<parameter>8.8.4.4</parameter> for IPv4, and "
"<parameter>2001:4860:4860::8888</parameter> and "
"<parameter>2001:4860:4860::8844</parameter> for IPv6."
msgstr ""
"Google 公用 DNS 服务器的 IPv4 地址是 <parameter>8.8.8.8</parameter> 和 "
"<parameter>8.8.4.4</parameter>，IPv6 地址是 <parameter>2001:4860:4860::8888</"
"parameter> 和 <parameter>2001:4860:4860::8844</parameter>。"

#. type: Content of: <sect1><sect2><title>
msgid "Configuring the system hostname"
msgstr "配置系统主机名"

#. type: Content of: <sect1><sect2><indexterm><primary>
msgid "hostname"
msgstr "hostname"

#. type: Content of: <sect1><sect2><para>
msgid ""
"During the boot process, the file <filename>/etc/hostname</filename> is used "
"for establishing the system's hostname."
msgstr ""
"在引导过程中，<filename>/etc/hostname</filename> 被用于设定系统主机名。"

#. type: Content of: <sect1><sect2><para>
msgid ""
"Create the <filename>/etc/hostname</filename> file and enter a hostname by "
"running:"
msgstr ""
"执行以下命令，创建 <filename>/etc/hostname</filename> 文件，并输入一个主机"
"名："

#. type: Content of: <sect1><sect2><screen>
#, no-wrap
msgid "<userinput>echo \"<replaceable>&lt;lfs&gt;</replaceable>\" &gt; /etc/hostname</userinput>"
msgstr "<userinput>echo \"<replaceable>&lt;lfs&gt;</replaceable>\" &gt; /etc/hostname</userinput>"

#. type: Content of: <sect1><sect2><para>
msgid ""
"<replaceable>&lt;lfs&gt;</replaceable> needs to be replaced with the name "
"given to the computer. Do not enter the Fully Qualified Domain Name (FQDN) "
"here. That information is put in the <filename>/etc/hosts</filename> file."
msgstr ""
"<replaceable>&lt;lfs&gt;</replaceable> 需要被替换为赋予该计算机的名称。不要在"
"这里输入全限定域名 (FQDN)，它应该被写入 <filename>/etc/hosts</filename> 文"
"件。"

#. type: Content of: <sect1><sect2><title>
msgid "Customizing the /etc/hosts File"
msgstr "自定义 /etc/hosts 文件"

#. type: Content of: <sect1><sect2><indexterm><secondary>
msgid "/etc/hosts"
msgstr "/etc/hosts"

#. type: Content of: <sect1><sect2><indexterm><primary>
msgid "localnet"
msgstr "localnet"

#. type: Content of: <sect1><sect2><para>
msgid ""
"Decide on a fully-qualified domain name (FQDN), and possible aliases for use "
"in the <filename>/etc/hosts</filename> file. If using static IP addresses, "
"you'll also need to decide on an IP address. The syntax for a hosts file "
"entry is:"
msgstr ""
"选择一个全限定域名 (FQDN)，和可能的别名，以供 <filename>/etc/hosts</"
"filename> 文件使用。如果使用静态 IP 地址，您还需要确定要使用的 IP 地址。"
"hosts 文件条目的语法是："

#. type: Content of: <sect1><sect2><screen>
#, no-wrap
msgid "<literal>IP_address myhost.example.org aliases</literal>"
msgstr "<literal>IP_地址 主机名.域名 别名</literal>"

#. type: Content of: <sect1><sect2><para>
msgid ""
"Unless the computer is to be visible to the Internet (i.e., there is a "
"registered domain and a valid block of assigned IP addresses&mdash;most "
"users do not have this), make sure that the IP address is in the private "
"network IP address range. Valid ranges are:"
msgstr ""
"除非该计算机可以从 Internet 访问 (即拥有一个注册域名，并分配了一个有效的 IP "
"地址段 —— 多数用户没有分配有效 IP)，确认使用的 IP 地址属于私网 IP 范围。有效"
"的范围是："

#. type: Content of: <sect1><sect2><screen>
#, no-wrap
msgid ""
"<literal>Private Network Address Range      Normal Prefix\n"
"10.0.0.1 - 10.255.255.254           8\n"
"172.x.0.1 - 172.x.255.254           16\n"
"192.168.y.1 - 192.168.y.254         24</literal>"
msgstr ""
"<literal>私网地址范围                         公共前缀长度\n"
"10.0.0.1 - 10.255.255.254           8\n"
"172.x.0.1 - 172.x.255.254           16\n"
"192.168.y.1 - 192.168.y.254         24</literal>"

#. type: Content of: <sect1><sect2><para>
msgid ""
"x can be any number in the range 16-31. y can be any number in the range "
"0-255."
msgstr "x 可以是 16-31 之间的任何数字。y 可以是 0-255 之间的任何数字。"

#. type: Content of: <sect1><sect2><para>
msgid ""
"A valid private IP address could be 192.168.1.1. A valid FQDN for this IP "
"could be lfs.example.org."
msgstr ""
"有效的私网 IP 地址的一个例子是 192.168.1.1。与之对应的 FQDN 可以是 lfs."
"example.org。"

#. type: Content of: <sect1><sect2><para>
msgid ""
"Even if not using a network card, a valid FQDN is still required.  This is "
"necessary for certain programs, such as MTAs, to operate properly."
msgstr ""
"即使没有网卡，也要提供一个有效的 FQDN。某些程序，如 MTA，需要它才能正常工作。"

#. type: Content of: <sect1><sect2><para>
msgid ""
"Create the <filename>/etc/hosts</filename> file using the following command:"
msgstr "执行以下命令，创建 <filename>/etc/hostname</filename> 文件："

#. type: Content of: <sect1><sect2><screen>
#, no-wrap
msgid ""
"<userinput>cat &gt; /etc/hosts &lt;&lt; \"EOF\"\n"
"<literal># Begin /etc/hosts\n"
"\n"
"127.0.0.1 localhost.localdomain localhost\n"
"127.0.1.1 <replaceable>&lt;FQDN&gt;</replaceable> <replaceable>&lt;HOSTNAME&gt;</replaceable>\n"
"<replaceable>&lt;192.168.0.2&gt;</replaceable> <replaceable>&lt;FQDN&gt;</replaceable> <replaceable>&lt;HOSTNAME&gt;</replaceable> <replaceable>[alias1] [alias2] ...</replaceable>\n"
"::1       localhost ip6-localhost ip6-loopback\n"
"ff02::1   ip6-allnodes\n"
"ff02::2   ip6-allrouters\n"
"\n"
"# End /etc/hosts</literal>\n"
"EOF</userinput>"
msgstr ""
"<userinput>cat &gt; /etc/hosts &lt;&lt; \"EOF\"\n"
"<literal># Begin /etc/hosts\n"
"\n"
"127.0.0.1 localhost.localdomain localhost\n"
"127.0.1.1 <replaceable>&lt;FQDN&gt;</replaceable> <replaceable>&lt;HOSTNAME&gt;</replaceable>\n"
"<replaceable>&lt;192.168.0.2&gt;</replaceable> <replaceable>&lt;FQDN&gt;</replaceable> <replaceable>&lt;HOSTNAME&gt;</replaceable> <replaceable>[alias1] [alias2] ...</replaceable>\n"
"::1       localhost ip6-localhost ip6-loopback\n"
"ff02::1   ip6-allnodes\n"
"ff02::2   ip6-allrouters\n"
"\n"
"# End /etc/hosts</literal>\n"
"EOF</userinput>"

#. type: Content of: <sect1><sect2><para>
msgid ""
"The <replaceable>&lt;192.168.0.2&gt;</replaceable>, <replaceable>&lt;FQDN&gt;"
"</replaceable>, and <replaceable>&lt;HOSTNAME&gt;</replaceable> values need "
"to be changed for specific uses or requirements (if assigned an IP address "
"by a network/system administrator and the machine will be connected to an "
"existing network). The optional alias name(s) can be omitted, and the "
"<replaceable>&lt;192.168.0.2</replaceable> line can be omitted if you are "
"using a connection configured with DHCP or IPv6 Autoconfiguration."
msgstr ""
"其中 <replaceable>&lt;192.168.0.2&gt;</replaceable>，<replaceable>&lt;"
"FQDN&gt;</replaceable>，以及<replaceable>&lt;主机名&gt;</replaceable> 的值需"
"要为特定使用环境和需求进行修改 (如果系统或网络管理员分配了 IP 地址，且本机将"
"被连接到现有的网络中)。可以略去别名 (alias)，它们不是必要的。"

#. type: Content of: <sect1><sect2><para>
msgid ""
"The ::1 entry is the IPv6 counterpart of 127.0.0.1 and represents the IPv6 "
"loopback interface. 127.0.1.1 is a loopback entry reserved specifically for "
"the FQDN."
msgstr "::1 是 127.0.0.1 在 IPv6 中的对应，即 IPv6 回环接口。"