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

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#. type: Content of: <sect1><title>
msgid "Configuring the system clock"
msgstr "配置系统时钟"

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

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

#. type: Content of: <sect1><para>
msgid ""
"This section discusses how to configure the <command>systemd-timedated</"
"command> system service, which configures the system clock and timezone."
msgstr ""
"本节讨论如何配置 <command>systemd-timedated</command> 系统服务，它的作用是配"
"置系统时钟和时区。"

#. type: Content of: <sect1><para>
msgid ""
"If you cannot remember whether or not the hardware clock is set to UTC, find "
"out by running the <userinput>hwclock --localtime --show</userinput> "
"command. This will display what the current time is according to the "
"hardware clock. If this time matches whatever your watch says, then the "
"hardware clock is set to local time. If the output from <command>hwclock</"
"command> is not local time, chances are it is set to UTC time. Verify this "
"by adding or subtracting the proper amount of hours for the timezone to the "
"time shown by <command>hwclock</command>. For example, if you are currently "
"in the MST timezone, which is also known as GMT -0700, add seven hours to "
"the local time."
msgstr ""
"如果您不确定您的硬件时钟是否设置为 UTC，运行 <userinput>hwclock --localtime "
"--show</userinput> 命令，它会显示硬件时钟给出的当前时间。如果这个时间和您的手"
"表显示的一致，则说明硬件时钟被设定为本地时间。相反，如果 <command>hwclock</"
"command> 输出的时间不是本地时间，则硬件时钟很可能被设定为 UTC 时间。根据您的"
"时区，在 <command>hwclock</command> 显示的时间上加减对应的小时数，进行进一步"
"的验证。例如，如果您现在处于莫斯科时区，即 GMT -0700，在本地时间上加 7 小时，"
"再进行比较。"

#. type: Content of: <sect1><para>
msgid ""
"<command>systemd-timedated</command> reads <filename>/etc/adjtime</"
"filename>, and depending on the contents of the file, sets the clock to "
"either UTC or local time."
msgstr ""
"<command>systemd-timedated</command> 读取 <filename>/etc/adjtime</filename>，"
"并根据其内容将硬件时钟设定为 UTC 或本地时间。"

#. type: Content of: <sect1><para>
msgid ""
"Create the <filename>/etc/adjtime</filename> file with the following "
"contents if your hardware clock is set to local time:"
msgstr ""
"如果您的硬件时钟设置为本地时间，以下列内容创建 <filename>/etc/adjtime</"
"filename> 文件："

#. type: Content of: <sect1><screen>
#, no-wrap
msgid ""
"<userinput>cat &gt; /etc/adjtime &lt;&lt; \"EOF\"\n"
"<literal>0.0 0 0.0\n"
"0\n"
"LOCAL</literal>\n"
"EOF</userinput>"
msgstr ""
"<userinput>cat &gt; /etc/adjtime &lt;&lt; \"EOF\"\n"
"<literal>0.0 0 0.0\n"
"0\n"
"LOCAL</literal>\n"
"EOF</userinput>"

#. type: Content of: <sect1><para>
msgid ""
"If <filename>/etc/adjtime</filename> isn't present at first boot, "
"<command>systemd-timedated</command> will assume that hardware clock is set "
"to UTC and adjust the file according to that."
msgstr ""
"如果 <filename>/etc/adjtime</filename> 在初次引导时不存在，<command>systemd-"
"timedated</command> 会假设硬件时钟使用 UTC，并据此调整该文件。"

#. type: Content of: <sect1><para>
msgid ""
"You can also use the <command>timedatectl</command> utility to tell "
"<command>systemd-timedated</command> if your hardware clock is set to UTC or "
"local time:"
msgstr ""
"您也可以使用 <command>timedatectl</command> 工具告诉 <command>systemd-"
"timedated</command> 您的硬件时钟是 UTC 还是本地时间："

#. type: Content of: <sect1><screen>
#, no-wrap
msgid "<userinput>timedatectl set-local-rtc 1</userinput>"
msgstr "<userinput>timedatectl set-local-rtc 1</userinput>"

#. type: Content of: <sect1><para>
msgid ""
"<command>timedatectl</command> can also be used to change system time and "
"time zone."
msgstr "<command>timedatectl</command> 也能修改系统时间和时区。"

#. type: Content of: <sect1><para>
msgid "To change your current system time, issue:"
msgstr "如果要修改系统时间，执行以下命令："

#. type: Content of: <sect1><screen>
#, no-wrap
msgid "<userinput>timedatectl set-time YYYY-MM-DD HH:MM:SS</userinput>"
msgstr "<userinput>timedatectl set-time YYYY-MM-DD HH:MM:SS</userinput>"

#. type: Content of: <sect1><para>
msgid "The hardware clock will also be updated accordingly."
msgstr "硬件时钟也会同时被更新。"

#. type: Content of: <sect1><para>
msgid "To change your current time zone, issue:"
msgstr "要修改当前时区，执行以下命令："

#. type: Content of: <sect1><screen>
#, no-wrap
msgid "<userinput>timedatectl set-timezone TIMEZONE</userinput>"
msgstr "<userinput>timedatectl set-timezone TIMEZONE</userinput>"

#. type: Content of: <sect1><para>
msgid "You can get a list of available time zones by running:"
msgstr "您可以通过运行以下命令查看可用的时区列表："

#. type: Content of: <sect1><screen>
#, no-wrap
msgid "<userinput>timedatectl list-timezones</userinput>"
msgstr "<userinput>timedatectl list-timezones</userinput>"

#. type: Content of: <sect1><note><para>
msgid ""
"Please note that the <command>timedatectl</command> command can be used only "
"on a system booted with systemd."
msgstr "注意 <command>timedatectl</command> 命令只能用于 systemd 引导的系统。"

#. type: Content of: <sect1><sect2><title>
msgid "Network Time Synchronization"
msgstr "网络时钟同步"

#. type: Content of: <sect1><sect2><para>
msgid ""
"Starting with version 213, systemd ships a daemon called <command>systemd-"
"timesyncd</command> which can be used to synchronize the system time with "
"remote NTP servers."
msgstr ""
"从版本 213 开始，systemd 附带了一个名为 <command>systemd-timesyncd</command> "
"的守护程序，可以用于将系统时间与远程 NTP 服务器同步。"

#. type: Content of: <sect1><sect2><para>
msgid ""
"The daemon is not intended as a replacement for the well established NTP "
"daemon, but as a client only implementation of the SNTP protocol which can "
"be used for less advanced tasks and on resource limited systems."
msgstr ""
"该守护程序没有被设计为替代现有成熟的 NTP 守护程序，而是一个仅仅实现了 SNTP 协"
"议的客户端，可以用于一些不太复杂的任务，或是资源紧张的系统。"

#. type: Content of: <sect1><sect2><para>
msgid ""
"Starting with systemd version 216, the <command>systemd-timesyncd</command> "
"daemon is enabled by default. If you want to disable it, issue the following "
"command:"
msgstr ""
"从 systemd 版本 216 开始，<command>systemd-timesyncd</command> 守护进程被默认"
"启用。如果希望禁用它，执行以下命令："

#. type: Content of: <sect1><sect2><screen>
#, no-wrap
msgid "<userinput>systemctl disable systemd-timesyncd</userinput>"
msgstr "<userinput>systemctl disable systemd-timesyncd</userinput>"

#. type: Content of: <sect1><sect2><para>
msgid ""
"The <filename>/etc/systemd/timesyncd.conf</filename> file can be used to "
"change the NTP servers that <command>systemd-timesyncd</command> "
"synchronizes with."
msgstr ""
"可以在 <filename>/etc/systemd/timesyncd.conf</filename> 中修改 "
"<command>systemd-timesyncd</command> 使用的服务器。"

#. type: Content of: <sect1><sect2><para>
msgid ""
"Please note that when system clock is set to Local Time, <command>systemd-"
"timesyncd</command> won't update hardware clock."
msgstr ""
"注意，当系统时钟设定为本地时间时，<command>systemd-timesyncd</command> 不会更"
"新硬件时钟。"