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
12.2-rc1
6.0
6.1
6.1.1
6.3
6.4
6.5
6.6
6.7
6.8
7.0
7.1
7.2
7.3
7.4
7.5
7.5-systemd
7.6
7.6-systemd
7.7
7.7-systemd
7.8
7.8-systemd
7.9
7.9-systemd
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
v4_0
v4_1
v5_0
v5_1
v5_1_1
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
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1 | <sect1 id="ch07-setclock">
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2 | <title>Configuring the setclock script</title>
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3 | <?dbhtml filename="setclock.html" dir="chapter07"?>
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4 |
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5 | <para>This setclock script reads the time from your hardware clock (also
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6 | known as BIOS or CMOS clock) and either converts that time to localtime
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7 | using the <filename>/etc/localtime</filename> file (if the hardware clock
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8 | is set to GMT) or not (if the hardware clock is already set to localtime).
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9 | There is no way to auto-detect whether the hardware clock is set to GMT or
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10 | not, so we need to configure that here ourselves.</para>
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11 |
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12 | <para>Change the value of the <emphasis>UTC</emphasis> variable below to a
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13 | <emphasis>0</emphasis> (zero) if your hardware clock is not set to GMT
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14 | time.</para>
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15 |
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16 | <para>Create a new file <filename>/etc/sysconfig/clock</filename> by running
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17 | the following:</para>
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18 |
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19 | <para><screen><userinput>cat > /etc/sysconfig/clock << "EOF"</userinput>
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20 | # Begin /etc/sysconfig/clock
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21 |
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22 | UTC=1
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23 |
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24 | # End /etc/sysconfig/clock
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25 | <userinput>EOF</userinput></screen></para>
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26 |
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27 | <para>Now, you may want to take a look at a very good hint explaining how we
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28 | deal with time on LFS at <ulink url="&hints-root;time.txt"/>.
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29 | It explains issues such as timezones, UTC, and the TZ environment
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30 | variable.</para>
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31 |
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32 | </sect1>
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33 |
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