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Diffstat (limited to 'chapter07/setclock.xml')
| -rw-r--r-- | chapter07/setclock.xml | 78 |
1 files changed, 40 insertions, 38 deletions
diff --git a/chapter07/setclock.xml b/chapter07/setclock.xml index 772f2d3d3..2098fd74d 100644 --- a/chapter07/setclock.xml +++ b/chapter07/setclock.xml @@ -1,42 +1,45 @@ <?xml version="1.0" encoding="ISO-8859-1"?> -<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [ +<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" + "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [ <!ENTITY % general-entities SYSTEM "../general.ent"> %general-entities; ]> + <sect1 id="ch-scripts-setclock"> -<title>Configuring the setclock Script</title> -<?dbhtml filename="setclock.html"?> - -<indexterm zone="ch-scripts-setclock"> -<primary sortas="d-setclock">setclock</primary> -<secondary>configuring</secondary></indexterm> - -<para>The <command>setclock</command> script reads the time from the hardware -clock, also known as the BIOS or the Complementary Metal Oxide Semiconductor -(CMOS) clock. If the hardware clock is set to UTC, this script will convert the -hardware clock's time to the local time using the -<filename>/etc/localtime</filename> file (which tells the -<command>hwclock</command> program which timezone the user is in). There is no -way to detect whether or not the hardware clock is set to UTC, so this -needs to be configured manually.</para> - -<para>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.</para> - -<para>Change the value of the <envar>UTC</envar> variable below -to a value of <parameter>0</parameter> (zero) if the hardware clock -is <emphasis>not</emphasis> set to UTC time.</para> - -<para>Create a new file <filename>/etc/sysconfig/clock</filename> by running -the following:</para> + <?dbhtml filename="setclock.html"?> + + <title>Configuring the setclock Script</title> + + <indexterm zone="ch-scripts-setclock"> + <primary sortas="d-setclock">setclock</primary> + <secondary>configuring</secondary></indexterm> + + <para>The <command>setclock</command> script reads the time from the hardware + clock, also known as the BIOS or the Complementary Metal Oxide Semiconductor + (CMOS) clock. If the hardware clock is set to UTC, this script will convert the + hardware clock's time to the local time using the + <filename>/etc/localtime</filename> file (which tells the + <command>hwclock</command> program which timezone the user is in). There is no + way to detect whether or not the hardware clock is set to UTC, so this + needs to be configured manually.</para> + + <para>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.</para> + + <para>Change the value of the <envar>UTC</envar> variable below + to a value of <parameter>0</parameter> (zero) if the hardware clock + is <emphasis>not</emphasis> set to UTC time.</para> + + <para>Create a new file <filename>/etc/sysconfig/clock</filename> by running + the following:</para> <screen><userinput>cat > /etc/sysconfig/clock << "EOF" <literal># Begin /etc/sysconfig/clock @@ -46,9 +49,8 @@ UTC=1 # End /etc/sysconfig/clock</literal> EOF</userinput></screen> -<para>A good hint explaining how to deal with time on LFS is available -at <ulink url="&hints-root;time.txt"/>. It explains issues such as -time zones, UTC, and the <envar>TZ</envar> environment variable.</para> + <para>A good hint explaining how to deal with time on LFS is available + at <ulink url="&hints-root;time.txt"/>. It explains issues such as + time zones, UTC, and the <envar>TZ</envar> environment variable.</para> </sect1> - |