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Configurable time sources

Bob Mottram 11 年之前
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共有 1 個文件被更改,包括 12 次插入2 次删除
  1. 12
    2
      install-freedombone.sh

+ 12
- 2
install-freedombone.sh 查看文件

@@ -83,6 +83,16 @@ VARIANT_MEDIA="media"
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 SSH_PORT=2222
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+# Why use Google as a time source?
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+# The thinking here is that it's likely to be reliable and fast.
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+# The ping doesn't reveal any information other than that the server
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+# is running, and if anyone maliciously alters the time on Google's
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+# servers then that would certainly be newsworthy and they'd be
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+# likely to do something about it quickly.
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+# If you have better time sources then change them here.
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+TLS_TIME_SOURCE1="google.com"
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+TLS_TIME_SOURCE2="www.ptb.de"
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+
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 # kernel specifically tweaked for the Beaglebone Black
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 KERNEL_VERSION="v3.15.10-bone7"
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@@ -1329,8 +1339,8 @@ function time_synchronisation {
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   apt-get -y remove ntpdate
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   echo '#!/bin/bash' > /usr/bin/updatedate
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-  echo 'TIMESOURCE=google.com' >> /usr/bin/updatedate
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-  echo 'TIMESOURCE2=www.ptb.de' >> /usr/bin/updatedate
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+  echo "TIMESOURCE='TLS_TIME_SOURCE1'" >> /usr/bin/updatedate
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+  echo "TIMESOURCE2='TLS_TIME_SOURCE2'" >> /usr/bin/updatedate
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   echo 'LOGFILE=/var/log/tlsdate.log' >> /usr/bin/updatedate
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   echo 'TIMEOUT=5' >> /usr/bin/updatedate
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   echo "EMAIL=$MY_USERNAME@$DOMAIN_NAME" >> /usr/bin/updatedate