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wokamoto/gist:eba7349a744fad5099f7

Created July 3, 2015 00:41
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ntpd アップデートして slew mode に
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gistfile1.txt
1. ntpdをアップデート
$ sudo yum update ntp
2. ntpdを停止
$ sudo service ntpd stop
3. kernelの保持時刻・周波数オフセットをクリアする
$ sudo ntptime -s 0 -f 0
4. ntpdをslewモードで起動するように起動オプションを変更する
$ sudo sed -i -e 's/OPTIONS="\(.*\)\-g"/OPTIONS="\1\-g \-x"/' /etc/sysconfig/ntpd
5. ntpdを開始
$ sudo service ntpd start
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