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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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