packages软件包: cron (3.0pl1-106ubuntu5)
cron 的相关链接
Ubuntu 的资源:
下载源码包 cron:
维护者:
Please consider filing a bug or asking a question via Launchpad before contacting the maintainer directly.
Original Maintainers (usually from Debian):
- Javier Fernandez-Sanguino Pen~a
- Steve Greenland
It should generally not be necessary for users to contact the original maintainer.
相似软件包:
process scheduling daemon
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.
负责填实 cron 的软件包
- bcron-run
- Bruce's cron system
其他与 cron 有关的软件包
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- dep: adduser
- add and remove users and groups
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- dep: debianutils (>= 1.7)
- Miscellaneous utilities specific to Debian
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- dep: libc6 (>= 2.7)
- Embedded GNU C Library: Shared libraries
同时作为一个虚包由这些包填实: libc6-udeb
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- dep: libpam-runtime (>= 1.0.1-11)
- Runtime support for the PAM library
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- dep: libpam0g (>= 0.99.7.1)
- Pluggable Authentication Modules library
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- dep: libselinux1 (>= 1.32)
- SELinux runtime shared libraries
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- dep: lsb-base (>= 3.2-12ubuntu4)
- Linux Standard Base 4.0 init script functionality
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- dep: upstart-job
- 本虚包由这些包填实: upstart
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- sug: anacron (>= 2.0-1)
- cron-like program that doesn't go by time
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- sug: checksecurity
- basic system security checks
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- sug: exim4
- metapackage to ease Exim MTA (v4) installation
- 或者 postfix
- High-performance mail transport agent
- 或者 mail-transport-agent
- 本虚包由这些包填实: citadel-mta, courier-mta, dma, esmtp-run, exim4-daemon-heavy, exim4-daemon-light, lsb-invalid-mta, masqmail, msmtp-mta, nullmailer, postfix, sendmail-bin, ssmtp, xmail
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- sug: lockfile-progs
- Programs for locking and unlocking files and mailboxes
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- sug: logrotate
- Log rotation utility