查看状态
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sudo systemctl start cron
Failed to start cron.service: Unit cron.service is masked.
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This error means that the cron service has been intentionally disabled (“masked”) on your system. When a service is masked, it cannot be started, even manually.
需要重新启动
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sudo systemctl unmask cron.service
sudo systemctl start cron.service
sudo systemctl enable cron.service
sudo systemctl status cron.service
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把 vim /etc/rsyslog.d/50-default.conf 里面 cron 相关注释去掉。这样可以查看 cron 运行的日志文件 /var/log/cron.log
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# 开启 cron 日志记录: /var/log/cron.log
vim /etc/rsyslog.d/50-default.conf
# 重启 rsyslog 服务
sudo service rsyslog restart
sudo service cron restart
ls -alh /var/spool/cron/crontabs/
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