1銆佽璇咰ron
cron鏄竴涓猯inux涓嬬殑瀹氭椂鎵ц宸ュ叿錛屽彲浠ュ湪鏃犻渶浜哄伐騫查鐨勬儏鍐典笅榪愯浣滀笟銆傜敱浜嶤ron 鏄疞inux鐨勫唴緗湇鍔★紝浣嗗畠涓嶈嚜鍔ㄨ搗鏉ワ紝鍙互鐢ㄤ互涓嬬殑鏂規硶鍚姩銆佸叧闂繖涓湇鍔★細
/sbin/service crond start //鍚姩鏈嶅姟
/sbin/service crond stop //鍏抽棴鏈嶅姟
/sbin/service crond restart //閲嶅惎鏈嶅姟
/sbin/service crond reload //閲嶆柊杞藉叆閰嶇疆
浣犱篃鍙互灝嗚繖涓湇鍔″湪緋葷粺鍚姩鐨勬椂鍊欒嚜鍔ㄥ惎鍔細
鍦?etc/rc.d/rc.local榪欎釜鑴氭湰鐨勬湯灝懼姞涓婏細
/sbin/service crond start
2銆丆ron鏈嶅姟
1)鐩存帴鐢╟rontab鍛戒護緙栬緫
cron鏈嶅姟鎻愪緵crontab鍛戒護鏉ヨ瀹歝ron鏈嶅姟鐨勶紝浠ヤ笅鏄繖涓懡浠ょ殑涓浜涘弬鏁頒笌璇存槑錛?/p>
crontab -u //璁懼畾鏌愪釜鐢ㄦ埛鐨刢ron鏈嶅姟錛屼竴鑸瑀oot鐢ㄦ埛鍦ㄦ墽琛岃繖涓懡浠ょ殑鏃跺欓渶瑕佹鍙傛暟
crontab -l //鍒楀嚭鏌愪釜鐢ㄦ埛cron鏈嶅姟鐨勮緇嗗唴瀹?/p>
crontab -r //鍒犻櫎娌′釜鐢ㄦ埛鐨刢ron鏈嶅姟
crontab -e //緙栬緫鏌愪釜鐢ㄦ埛鐨刢ron鏈嶅姟
姣斿璇磖oot鏌ョ湅鑷繁鐨刢ron璁劇疆錛歝rontab -u root -l
鍐嶄緥濡傦紝root鎯沖垹闄red鐨刢ron璁劇疆錛歝rontab -u fred -r
鍦ㄧ紪杈慶ron鏈嶅姟鏃訛紝緙栬緫鐨勫唴瀹規湁涓浜涙牸寮忓拰綰﹀畾錛岃緭鍏ワ細crontab -u root -e
錛堟敞錛氬ぇ鍝ュぇ濮愶紝鐪嬫枃绔犳椂鍒繕璁板叧娉ㄦ垜鍝燂紝鍢垮樋錛?/font>榪涘叆vi緙栬緫妯″紡錛岀紪杈戠殑鍐呭涓瀹氳絎﹀悎涓嬮潰鐨勬牸寮忥細*/1 * * * * ls >> /tmp/ls.txt
榪欎釜鏍煎紡鐨勫墠涓閮ㄥ垎鏄鏃墮棿鐨勮瀹氾紝鍚庨潰涓閮ㄥ垎鏄鎵ц鐨勫懡浠わ紝濡傛灉瑕佹墽琛岀殑鍛戒護澶錛屽彲浠ユ妸榪欎簺鍛戒護鍐欏埌涓涓剼鏈噷闈紝鐒跺悗鍦ㄨ繖閲岀洿鎺ヨ皟鐢ㄨ繖涓剼鏈氨鍙互浜嗭紝璋冪敤鐨勬椂鍊欒寰楀啓鍑哄懡浠ょ殑瀹屾暣璺緞銆傛椂闂寸殑璁懼畾鎴戜滑鏈変竴瀹氱殑綰﹀畾錛屽墠闈簲涓?鍙蜂唬琛ㄤ簲涓暟瀛楋紝鏁板瓧鐨勫彇鍊艱寖鍥村拰鍚箟濡備笅錛?/p>
鍒嗛挓銆錛?-59錛?/p>
灝忔檪銆錛?-23錛?/p>
鏃ユ湡銆錛?-31錛?/p>
鏈堜喚銆錛?-12錛?/p>
鏄熸湡銆錛?-6錛?/0浠ｈ〃鏄熸湡澶?/p>
闄や簡鏁板瓧榪樻湁鍑犱釜涓壒孌婄殑絎﹀彿灝辨槸"*"銆?/"鍜?-"銆?,"錛?浠ｈ〃鎵鏈夌殑鍙栧艱寖鍥村唴鐨勬暟瀛楋紝"/"浠ｈ〃姣忕殑鎰忔?"*/5"琛ㄧず姣?涓崟浣嶏紝"-"浠ｈ〃浠庢煇涓暟瀛楀埌鏌愪釜鏁板瓧,","鍒嗗紑鍑犱釜紱繪暎鐨勬暟瀛椼備互涓嬩婦鍑犱釜渚嬪瓙璇存槑闂錛?/p>
姣忓ぉ鏃╀笂6鐐?/p>
0 6 * * * echo "Good morning." >> /tmp/test.txt //娉ㄦ剰鍗曠函echo錛屼粠灞忓箷涓婄湅涓嶅埌浠諱綍杈撳嚭錛屽洜涓篶ron鎶婁換浣曡緭鍑洪兘email鍒皉oot鐨勪俊綆變簡銆?/p>
姣忎袱涓皬鏃?/p>
0 */2 * * * echo "Have a break now." >> /tmp/test.txt
鏅氫笂11鐐瑰埌鏃╀笂8鐐逛箣闂存瘡涓や釜灝忔椂錛屾棭涓婂叓鐐?/p>
0 23-7/2錛? * * * echo "Have a good dream錛氾級" >> /tmp/test.txt
姣忎釜鏈堢殑4鍙峰拰姣忎釜紺兼嫓鐨勭ぜ鎷滀竴鍒扮ぜ鎷滀笁鐨勬棭涓?1鐐?/p>
0 11 4 * 1-3 command line
1鏈?鏃ユ棭涓?鐐?/p>
0 4 1 1 * command line
姣忔緙栬緫瀹屾煇涓敤鎴風殑cron璁劇疆鍚庯紝cron鑷姩鍦?var/spool/cron涓嬬敓鎴愪竴涓笌姝ょ敤鎴峰悓鍚嶇殑鏂囦歡錛屾鐢ㄦ埛鐨刢ron淇℃伅閮借褰曞湪榪欎釜鏂囦歡涓紝榪欎釜鏂囦歡鏄笉鍙互鐩存帴緙栬緫鐨勶紝鍙彲浠ョ敤crontab -e 鏉ョ紪杈戙俢ron鍚姩鍚庢瘡榪囦竴浠介挓璇諱竴嬈¤繖涓枃浠訛紝媯鏌ユ槸鍚﹁鎵ц閲岄潰鐨勫懡浠ゃ傚洜姝ゆ鏂囦歡淇敼鍚庝笉闇瑕侀噸鏂板惎鍔╟ron鏈嶅姟銆?/p>
錛堟湁浜嗕綘浠殑鍏蟲敞錛屾墠鏈夋垜緇х畫鍐欎笅鍘葷殑鍔ㄥ姏錛侊級璇風偣涓嬮潰鐨勫箍鍛婂惂錛?/font>
2)緙栬緫/etc/crontab 鏂囦歡閰嶇疆cron
cron鏈嶅姟姣忓垎閽熶笉浠呰璇諱竴嬈?var/spool/cron鍐呯殑鎵鏈夋枃浠訛紝榪橀渶瑕佽涓嬈?etc/crontab,鍥犳鎴戜滑閰嶇疆榪欎釜鏂囦歡涔熻兘榪愮敤cron鏈嶅姟鍋氫竴浜涗簨鎯呫傜敤crontab閰嶇疆鏄拡瀵規煇涓敤鎴風殑錛岃岀紪杈?etc/crontab鏄拡瀵圭郴緇熺殑浠誨姟銆傛鏂囦歡鐨勬枃浠舵牸寮忔槸錛?/p>
SHELL=/bin/bash
PATH=/sbin:/bin:/usr/sbin:/usr/bin
MAILTO=root //濡傛灉鍑虹幇閿欒錛屾垨鑰呮湁鏁版嵁杈撳嚭錛屾暟鎹綔涓洪偖浠跺彂緇欒繖涓笎鍙?br />HOME=/ //浣跨敤鑰呰繍琛岀殑璺緞,榪欓噷鏄牴鐩綍
# run-parts
01 * * * * root run-parts /etc/cron.hourly //姣忓皬鏃舵墽琛?etc/cron.hourly鍐呯殑鑴氭湰
02 4 * * * root run-parts /etc/cron.daily //姣忓ぉ鎵ц/etc/cron.daily鍐呯殑鑴氭湰
22 4 * * 0 root run-parts /etc/cron.weekly //姣忔槦鏈熸墽琛?etc/cron.weekly鍐呯殑鑴氭湰
42 4 1 * * root run-parts /etc/cron.monthly //姣忔湀鍘繪墽琛?etc/cron.monthly鍐呯殑鑴氭湰
3銆佸疄渚?/p>
鎴戝湪/etc/crontab 鏂囦歡涓厤緗甤ron錛?/p>
#product price trend picture
0 1 * * * root sh /home1/picture/myconfig.sh聽聽聽 錛堟瘡澶?鐐歸挓鏃舵墽琛宺oot鐢ㄦ埛涓殑/home1/picture/myconfig.sh 錛?/p>
鎴戠殑myconfig.sh錛?/p>
JAVA_HOME=/home1/jdk1.5.0_03;export JAVA_HOME
JAVA_OPTS="-server -Djava.awt.headless=true";export JAVA_OPTS聽
錛堢敱浜庢垜鐨勫簲鐢ㄦ槸涓涓粯鍥懼簲鐢紝鎵浠ヨ浠ヤ笂涓ゆ錛屾寚瀹欽DK絳夛級
cd /home1/picture/lib聽 錛堟寚瀹氭垜鐨凧AR鏂囦歡鎵鍦ㄤ綅錛?br />/home1/jdk1.5.0_03/bin/java -cp /home1/picture/lib/PriceTrendPicture.jar:/home1/picture/lib/classes12.jar:/home1/picture/lib/ibatis-common-2.jar:/home1/picture/lib/ibatis-dao-2.jar:/home1/picture/lib/ibatis-sqlmap-2.jar:log4j-1.2.8.jar:/home1/picture/lib/xmlparserv2.jar:/home1/picture/lib/commons-logging.jar com.yesky.run.PriceTrendPicture
/home1/jdk1.5.0_03/bin/java -cp 榪欐槸鎴戠殑JDK浣嶇疆聽 闅忓悗鍔犱笂鎵鏈変嬌鐢ㄧ殑JAR鏂囦歡 鏈鍚庢槸鏈塵ain()鐨勬墽琛岀被