#增加语句 [Time]下面增加NTP=192.168.1.70 sudo sed -i '/\[Time\]/a NTP=192.168.1.70' /etc/systemd/timesyncd.conf #查询语句 sed -n /NTP/p /etc/systemd/timesyncd.conf #删除语句删除含有NTP=的行 sed -i '/NTP=/d' /etc/systemd/timesyncd.conf
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