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                ****. 確認crontab是否安裝:**** `執行 crontab 命令如果報 command not found,就表明沒有安裝` ****2\. 安裝 crontab**** 執行`yum install -y vixie-cron` **3\. 確認是否安裝成功:** 執行`crontab -l` **4\. 看是否設置了開機自動啟動** `chkconfig --list crond` 或者`chkconfig?crond?on` **5\. 啟動crontab** `service crond start` **6.添加計劃任務** `crontab -e` `crontab -l` **7.腳本sh設置777權限** 原文 https://www.cnblogs.com/weifeng1463/p/7912541.html
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