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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                1、crontab -e 就這么簡單: #m h dom mon dow command * * * * * /tmp/cronta01.sh 2、cronta01.sh內容(咋寫的?): ~~~ #!/bin/bash step=1 #2 #間隔1秒、2秒,一般不大于60秒 for (( i=0;i<60;i=(i+step))); do $(php '/tmp/tolog.php') sleep $step done exit 0 ~~~ 3、tolog.php 內容(php文件咋寫?) ~~~ <?php file_put_contents('/tmp/run180611.log', date('Y-m-d H:i:s')."\r\n", FILE_APPEND); ~~~ 4、咋看run180611.log (這個日志文件呢)? tail -f run180611.log 2018-06-12 02:33:05 2018-06-12 02:33:06 2018-06-12 02:33:07 2018-06-12 02:33:08 …… 出來一堆 *5、 *注意: 每次 改寫完 cronta01.sh 腳本文件…… 任務沒有變化 (咋辦?) 重啟一下 crontab 命令: systemctl restart crond.service 變過來(10秒一次): 2018-06-12 02:37:11 2018-06-12 02:37:21 2018-06-12 02:37:32 2018-06-12 02:37:42 變過來(5秒一次): 2018-06-12 02:40:01 2018-06-12 02:40:06 2018-06-12 02:40:11 2018-06-12 02:40:16 2018-06-12 02:40:21 (不用重啟,變過來了!!) 2秒一次: 一分鐘后生效!! 2018-06-12 02:41:32 2018-06-12 02:41:37 2018-06-12 02:41:42 2018-06-12 02:41:47 2018-06-12 02:41:52 2018-06-12 02:41:57 2018-06-12 02:42:01 2018-06-12 02:42:03 2018-06-12 02:42:05 2018-06-12 02:42:07 2018-06-12 02:42:09 2018-06-12 02:42:11 2018-06-12 02:42:13 2018-06-12 02:42:15 2018-06-12 02:42:17 2018-06-12 02:42:19 2018-06-12 02:42:21 2018-06-12 02:42:23 2018-06-12 02:42:25 2018-06-12 02:42:27 2018-06-12 02:42:29 2018-06-12 02:42:31 2018-06-12 02:42:33
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                              哎呀哎呀视频在线观看