[ 原始碼： cron ]
套件：cron（3.0pl1-134+deb10u1）
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 specified in a crontab. By default, users may also create crontabs of their own so that processes are run on their behalf.
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 does not provide any system maintenance tasks. Basic periodic maintenance tasks are provided by other packages, such as checksecurity.
負責填實 cron 的套件
- bcron
- Bruce cron system
其他與 cron 有關的套件
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- dep: init-system-helpers (>= 1.54~)
- helper tools for all init systems
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- dep: adduser
- 新增、移除使用者與群組
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- dep: debianutils (>= 1.7)
- Miscellaneous utilities specific to Debian
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- dep: libc6 (>= 2.17)
- GNU C 函式庫：共用函式庫
同時作為一個虛擬套件由這些套件填實： libc6-udeb
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- dep: libpam-runtime (>= 1.0.1-11)
- PAM函式庫執行時會用到的檔案
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- dep: libpam0g (>= 0.99.7.1)
- Pluggable Authentication Modules library
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- dep: libselinux1 (>= 2.0.82)
- SELinux runtime shared libraries
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- dep: lsb-base (>= 3.0-10)
- Linux Standard Base init script functionality
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- dep: sensible-utils
- Utilities for sensible alternative selection
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- rec: default-mta
- 本虛擬套件由這些套件填實： exim4-daemon-light
- 或者 mail-transport-agent
- 本虛擬套件由這些套件填實： citadel-server, courier-mta, dma, esmtp-run, exim4-daemon-heavy, exim4-daemon-light, msmtp-mta, nullmailer, opensmtpd, postfix, qmail-run, sendmail-bin
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- sug: anacron (>= 2.0-1)
- cron-like program that doesn't go by time
同時作為一個虛擬套件由這些套件填實： systemd-cron
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- sug: checksecurity
- basic system security checks
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- sug: logrotate
- 紀錄循環工具