The cron daemon is a background process that runs particular programs at particular times (for example, every minute, day, week or month), as specific in the in a crontab. By default, users may also create crontabs of their own so that processes are run on their behalf.
Users may also install crontabs so that processes are run on their behalf, though this feature can be disabled or restricted to particular users.
Output from the commands is usually mailed to the system administrator (or to the user in question); you should probably install a mail system as well so that you can receive these messages.
This cron package is configured by default to do some basic daily system maintenance tasks, such as ensuring creating copying key system files. Additional maintenance tasks are available on external packages, such as 'checksecurity'
The lockfile-progs package is recommended as it will prevent /etc/cron.daily/standard from running multiple times if something gets jammed.
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| 硬件架构 | 软件包大小 | 安装后大小 | 文件 |
|---|---|---|---|
| alpha | 90.8 kB | 348 kB | [文件列表] |
| amd64 | 85.8 kB | 324 kB | [文件列表] |
| armel | 82.7 kB | 308 kB | [文件列表] |
| avr32 (非官方移植版) | 79.2 kB | 308 kB | [文件列表] |
| hppa | 84.3 kB | 316 kB | [文件列表] |
| hurd-i386 | 77.4 kB | 308 kB | [文件列表] |
| i386 | 80.7 kB | 308 kB | [文件列表] |
| ia64 | 99.8 kB | 388 kB | [文件列表] |
| kfreebsd-amd64 | 82.6 kB | 220 kB | [文件列表] |
| kfreebsd-i386 | 77.3 kB | 212 kB | [文件列表] |
| m68k (非官方移植版) | 77.8 kB | 308 kB | [文件列表] |
| mips | 85.6 kB | 328 kB | [文件列表] |
| mipsel | 85.8 kB | 328 kB | [文件列表] |
| powerpc | 89.7 kB | 328 kB | [文件列表] |
| s390 | 85.6 kB | 320 kB | [文件列表] |
| sparc | 84.4 kB | 316 kB | [文件列表] |