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| Both sides previous revision Previous revision Next revision | Previous revision Next revisionBoth sides next revision | ||
| zh:docs:guide-user:base-system:cron [2019/11/03 14:12] – [定期重启] longgenxing | zh:docs:guide-user:base-system:cron [2019/11/04 01:03] – [定期重启] longgenxing | ||
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| - | FIXME **This page is not fully translated, yet. Please help completing the translation.**\\ //(remove this paragraph once the translation is finished)// | ||
| - | |||
| ====== Cron and crontab ====== | ====== Cron and crontab ====== | ||
| ====== Cron软件 及其 crontab命令使用 ====== | ====== Cron软件 及其 crontab命令使用 ====== | ||
| Line 126: | Line 124: | ||
| (At the end of the boot process ntpd starts, and it may also take a while before ntpd gets and sets the correct time, so cron may start the reboot in between.) | (At the end of the boot process ntpd starts, and it may also take a while before ntpd gets and sets the correct time, so cron may start the reboot in between.) | ||
| - | **中文翻译**:在启动的时候,当前系统的时间使用“sysfixtime”程序,设定依据是在/ | + | **中文翻译**:在启动的时候,当前系统的时间使用“sysfixtime”程序来设置;设定依据是在/ |
| - | 最近修改的文件可能是一个状态文件,或者配置文件,它可能在cron定时任务需要重启系统前30秒刚做了修改。 | + | 它可能是一个状态文件,或者配置文件,它可能在cron定时任务需要重启系统前30秒刚做了修改。 |
| 所以,如果在重启系统的过程中,系统时间被设置为这个文件的时间属性的前若干秒钟的话。 | 所以,如果在重启系统的过程中,系统时间被设置为这个文件的时间属性的前若干秒钟的话。 | ||
| - | 当cron软件开始计时,而且马上又会发现,设置的重启的时间又到了,然后又开始重启了…… | + | 当cron软件开始计时,cron马上又会发现,设置的重启的时间又到了,然后又开始重启了…… |
| (还有的可能就是:启动流程的最后ntpd的时间服务启动了,这个软件得需要一阵子才能获取并且设置正确的时间,所以这段时间内,cron定时重启任务又被触发重启了。) | (还有的可能就是:启动流程的最后ntpd的时间服务启动了,这个软件得需要一阵子才能获取并且设置正确的时间,所以这段时间内,cron定时重启任务又被触发重启了。) | ||
| Line 171: | Line 169: | ||
| ==== Alarm clock ==== | ==== Alarm clock ==== | ||
| + | ==== 闹钟功能 ==== | ||
| If you have [[wp> | If you have [[wp> | ||
| When DST starts in central Europe, clocks advance from 02:00 CET to 03:00 CEST on last Sunday in March. | When DST starts in central Europe, clocks advance from 02:00 CET to 03:00 CEST on last Sunday in March. | ||
| Line 176: | Line 175: | ||
| Later won't work, you'll be late ;-) | Later won't work, you'll be late ;-) | ||
| When DST ends in central Europe, clocks retreat from 03:00 CEST to 02:00 CET on last Sunday in October. | When DST ends in central Europe, clocks retreat from 03:00 CEST to 02:00 CET on last Sunday in October. | ||
| + | |||
| + | **中文翻译**:如果你所在的地区使用“夏令时”[[wp> | ||
| + | 假设你在欧洲中部使用“夏令时”,那么时钟在每年3月份,就要提前从中欧时间的2点,变成了3点的中欧夏令时时间。 | ||
| + | 在此之前的6天,你可以把自己的网络唤醒闹钟每天提前10分钟。 | ||
| + | 如果没生效的话,估计你上班就要迟到了;) | ||
| <code bash> | <code bash> | ||
| Line 183: | Line 187: | ||
| </ | </ | ||
| + | **中文翻译**: | ||
| + | |||
| + | <code bash> | ||
| + | #分 时 日 月 星 执行命令 | ||
| + | 59 05 * * 1 / | ||
| + | # | ||
| + | </ | ||
| + | |||
| + | |||
| + | ==== 翻译信息 ==== | ||
| + | LongGenxing 20191103 第一次翻译 | ||