linux瀹氭椂浠诲姟鐨勮缃?
涓哄綋鍓嶇敤鎴峰垱寤篶ron鏈嶅姟

1.  閿叆 crontab  -e 缂栬緫crontab鏈嶅姟鏂囦欢

      渚嬪 鏂囦欢鍐呭濡備笅锛?

     */2 * * * * /bin/sh /home/admin/jiaoben/buy/deleteFile.sh

     淇濆瓨鏂囦欢骞跺苟閫€鍑?

     */2 * * * * /bin/sh /home/admin/jiaoben/buy/deleteFile.sh

    */2 * * * * 閫氳繃杩欐瀛楁鍙互璁惧畾浠€涔堟椂鍊欐墽琛岃剼鏈?

      /bin/sh /home/admin/jiaoben/buy/deleteFile.sh 杩欎竴瀛楁鍙互璁惧畾浣犺鎵ц鐨勮剼鏈紝杩欓噷瑕佹敞鎰忎竴涓媌in/sh 鏄寚杩愯  鑴氭湰鐨勫懡浠?nbsp; 鍚庨潰涓€娈垫椂鎸囪剼鏈瓨鏀剧殑璺緞




2. 鏌ョ湅璇ョ敤鎴蜂笅鐨刢rontab鏈嶅姟鏄惁鍒涘缓鎴愬姛锛?鐢?crontab  -l 鍛戒护 



3. 鍚姩crontab鏈嶅姟

      涓€鑸惎鍔ㄦ湇鍔＄敤  /sbin/service crond start 鑻ユ槸鏍圭敤鎴风殑cron鏈嶅姟鍙互鐢?sudo service crond start锛?杩欓噷杩樻槸瑕佹敞鎰?nbsp; 涓?涓嶅悓鐗堟湰linux绯荤粺鍚姩鐨勬湇鍔＄殑鍛戒护涔熶笉鍚?锛屽儚鎴戠殑铏氭嫙鏈洪噷鍙渶鐢?sudo service cron restart 鍗冲彲锛岃嫢鏄湪鏍圭敤涓嬬洿鎺ラ敭鍏ervice cron start灏辫兘鍚姩鏈嶅姟



4. 鏌ョ湅鏈嶅姟鏄惁宸茬粡杩愯鐢?ps -ax | grep cron

5. crontab鍛戒护

      cron鏈嶅姟鎻愪緵crontab鍛戒护鏉ヨ瀹歝ron鏈嶅姟鐨勶紝浠ヤ笅鏄繖涓懡浠ょ殑涓€浜涘弬鏁颁笌璇存槑:

        crontab -u //璁惧畾鏌愪釜鐢ㄦ埛鐨刢ron鏈嶅姟锛屼竴鑸瑀oot鐢ㄦ埛鍦ㄦ墽琛岃繖涓懡浠ょ殑鏃跺€欓渶瑕佹鍙傛暟 
銆€銆€crontab -l //鍒楀嚭鏌愪釜鐢ㄦ埛cron鏈嶅姟鐨勮缁嗗唴瀹?
銆€銆€crontab -r //鍒犻櫎娌′釜鐢ㄦ埛鐨刢ron鏈嶅姟
銆€銆€crontab -e //缂栬緫鏌愪釜鐢ㄦ埛鐨刢ron鏈嶅姟
銆€銆€姣斿璇磖oot鏌ョ湅鑷繁鐨刢ron璁剧疆:crontab -u root -l
銆€銆€鍐嶄緥濡傦紝root鎯冲垹闄red鐨刢ron璁剧疆:crontab -u fred -r
銆€銆€鍦ㄧ紪杈慶ron鏈嶅姟鏃讹紝缂栬緫鐨勫唴瀹规湁涓€浜涙牸寮忓拰绾﹀畾锛岃緭鍏?crontab -u root -e
銆€銆€杩涘叆vi缂栬緫妯″紡锛岀紪杈戠殑鍐呭涓€瀹氳绗﹀悎涓嬮潰鐨勬牸寮?*/1 * * * * ls >> /tmp/ls.txt
        浠诲姟璋冨害鐨刢rond甯搁┗鍛戒护
        crond 鏄痩inux鐢ㄦ潵瀹氭湡鎵ц绋嬪簭鐨勫懡浠ゃ€傚綋瀹夎瀹屾垚鎿嶄綔绯荤粺涔嬪悗锛岄粯璁や究浼氬惎鍔ㄦ 

       浠诲姟璋冨害鍛戒护銆俢rond鍛戒护姣忓垎閿轰細瀹氭湡妫€鏌ユ槸鍚︽湁瑕佹墽琛岀殑宸ヤ綔锛屽鏋滄湁瑕佹墽琛岀殑宸?

       浣滀究浼氳嚜鍔ㄦ墽琛岃宸ヤ綔銆?



6. crontab鍛戒护閫夐」:

     -u鎸囧畾涓€涓敤鎴?

     -l鍒楀嚭鏌愪釜鐢ㄦ埛鐨勪换鍔¤鍒?

     -r鍒犻櫎鏌愪釜鐢ㄦ埛鐨勪换鍔?

     -e缂栬緫鏌愪釜鐢ㄦ埛鐨勪换鍔?

7. cron鏂囦欢璇硶:

      鍒?nbsp;    灏忔椂    鏃?nbsp;      鏈?nbsp;      鏄熸湡     鍛戒护

      0-59   0-23   1-31   1-12     0-6     command     (鍙栧€艰寖鍥?0琛ㄧず鍛ㄦ棩涓€鑸竴琛屽搴斾竴涓换鍔?

     璁颁綇鍑犱釜鐗规畩绗﹀彿鐨勫惈涔?

         鈥?鈥濅唬琛ㄥ彇鍊艰寖鍥村唴鐨勬暟瀛?
         鈥?鈥濅唬琛ㄢ€濇瘡鈥?
         鈥?鈥濅唬琛ㄤ粠鏌愪釜鏁板瓧鍒版煇涓暟瀛?
         鈥?鈥濆垎寮€鍑犱釜绂绘暎鐨勬暟瀛?

8. 浠诲姟璋冨害璁剧疆鏂囦欢鐨勫啓娉?
      鍙敤crontab -e鍛戒护鏉ョ紪杈?缂栬緫鐨勬槸/var/spool/cron涓嬪搴旂敤鎴风殑cron鏂囦欢,涔熷彲浠ョ洿鎺ヤ慨鏀?etc/crontab鏂囦欢
     鍏蜂綋鏍煎紡濡備笅锛?
      Minute Hour Day Month Dayofweek   command
      鍒嗛挓     灏忔椂   澶?nbsp;    鏈?nbsp;      澶╂瘡鏄熸湡       鍛戒护
     姣忎釜瀛楁浠ｈ〃鐨勫惈涔夊涓嬶細
     Minute             姣忎釜灏忔椂鐨勭鍑犲垎閽熸墽琛岃浠诲姟
     Hour               姣忓ぉ鐨勭鍑犱釜灏忔椂鎵ц璇ヤ换鍔?
     Day