Ignore:
Timestamp:
01/06/2006 02:59:05 AM (19 years ago)
Author:
Jeremy Huntwork <jhuntwork@…>
Children:
e1ca33a
Parents:
1714f1a
Message:

Merged recent changes from trunk to lfs-alpha. Fixed typo.

git-svn-id: ​http://svn.linuxfromscratch.org/LFS/branches/alphabetical/BOOK@7248 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

File:
1 edited

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  • chapter07/setclock.xml

    r1714f1a r46a2e9c  
    11<?xml version="1.0" encoding="ISO-8859-1"?>
    2 <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
     2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
     3  "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
    34  <!ENTITY % general-entities SYSTEM "../general.ent">
    45  %general-entities;
    56]>
     7
    68<sect1 id="ch-scripts-setclock">
    7 <title>Configuring the setclock Script</title>
    8 <?dbhtml filename="setclock.html"?>
     9  <?dbhtml filename="setclock.html"?>
    910
    10 <indexterm zone="ch-scripts-setclock">
    11 <primary sortas="d-setclock">setclock</primary>
    12 <secondary>configuring</secondary></indexterm>
     11  <title>Configuring the setclock Script</title>
    1312
    14 <para>The <command>setclock</command> script reads the time from the hardware
    15 clock, also known as the BIOS or the Complementary Metal Oxide Semiconductor
    16 (CMOS) clock. If the hardware clock is set to UTC, this script will convert the
    17 hardware clock's time to the local time using the
    18 <filename>/etc/localtime</filename> file (which tells the
    19 <command>hwclock</command> program which timezone the user is in). There is no
    20 way to detect whether or not the hardware clock is set to UTC, so this
    21 needs to be configured manually.</para>
     13  <indexterm zone="ch-scripts-setclock">
     14    <primary sortas="d-setclock">setclock</primary>
     15  <secondary>configuring</secondary></indexterm>
    2216
    23 <para>If you cannot remember whether or not the hardware clock is set to UTC,
    24 find out by running the <userinput>hwclock --localtime --show</userinput>
    25 command. This will display what the current time is according to the hardware
    26 clock. If this time matches whatever your watch says, then the hardware clock is
    27 set to local time. If the output from <command>hwclock</command> is not local
    28 time, chances are it is set to UTC time. Verify this by adding or subtracting
    29 the proper amount of hours for the timezone to the time shown by
    30 <command>hwclock</command>. For example, if you are currently in the MST
    31 timezone, which is also known as GMT -0700, add seven hours to the local
    32 time.</para>
     17  <para>The <command>setclock</command> script reads the time from the hardware
     18  clock, also known as the BIOS or the Complementary Metal Oxide Semiconductor
     19  (CMOS) clock. If the hardware clock is set to UTC, this script will convert the
     20  hardware clock's time to the local time using the
     21  <filename>/etc/localtime</filename> file (which tells the
     22  <command>hwclock</command> program which timezone the user is in). There is no
     23  way to detect whether or not the hardware clock is set to UTC, so this
     24  needs to be configured manually.</para>
    3325
    34 <para>Change the value of the <envar>UTC</envar> variable below
    35 to a value of <parameter>0</parameter> (zero) if the hardware clock
    36 is <emphasis>not</emphasis> set to UTC time.</para>
     26  <para>If you cannot remember whether or not the hardware clock is set to UTC,
     27  find out by running the <userinput>hwclock --localtime --show</userinput>
     28  command. This will display what the current time is according to the hardware
     29  clock. If this time matches whatever your watch says, then the hardware clock is
     30  set to local time. If the output from <command>hwclock</command> is not local
     31  time, chances are it is set to UTC time. Verify this by adding or subtracting
     32  the proper amount of hours for the timezone to the time shown by
     33  <command>hwclock</command>. For example, if you are currently in the MST
     34  timezone, which is also known as GMT -0700, add seven hours to the local
     35  time.</para>
    3736
    38 <para>Create a new file <filename>/etc/sysconfig/clock</filename> by running
    39 the following:</para>
     37  <para>Change the value of the <envar>UTC</envar> variable below
     38  to a value of <parameter>0</parameter> (zero) if the hardware clock
     39  is <emphasis>not</emphasis> set to UTC time.</para>
     40
     41  <para>Create a new file <filename>/etc/sysconfig/clock</filename> by running
     42  the following:</para>
    4043
    4144<screen><userinput>cat &gt; /etc/sysconfig/clock &lt;&lt; "EOF"
    … …  
    4750EOF</userinput></screen>
    4851
    49 <para>A good hint explaining how to deal with time on LFS is available
    50 at <ulink url="&hints-root;time.txt"/>. It explains issues such as
    51 time zones, UTC, and the <envar>TZ</envar> environment variable.</para>
     52  <para>A good hint explaining how to deal with time on LFS is available
     53  at <ulink url="&hints-root;time.txt"/>. It explains issues such as
     54  time zones, UTC, and the <envar>TZ</envar> environment variable.</para>
    5255
    5356</sect1>
    54 
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