我瀏覽了許多不同的主題，但沒有找到解決問題的答案。我在Ubuntu服務器上創建了2個bash腳本，并試圖定期執行它們?？磥硭鼈冋谶\行，但它們什么也沒產生。它們是可執行的：drwxr-xr-x 14 root root     4096 Mar 14 18:02 ..-rwxr-xr-x  1 root root     2623 Apr 16 21:18 backup.pl-rw-r--r--  1 root root 87066352 May 10 21:37 full_site_backup-10-4-2018.tar.gz-rwxr-xr-x  1 root root      530 May 11 20:21 checkHealth.shdrwxr-xr-x  2 root root     4096 May 11 20:35 .所以這是我的腳本之一：#!/bin/bash# log stdout and stderr to two different filesexec >>/var/log/test.log 2>>/var/log/test.err.log# ...and log every command we try to execute to stderr (aka looog.err.log)# set -xCODE=$(curl -s -o /dev/null -I -A "myuseragent" -w "%{http_code}" https://www.xxxxxxxxxxxxx.xxx/xxxx)DATE=$(date)if [ $CODE -gt 300 ]then    service mysql restart    service tomcat8 restart    >&2 echo "$DATE - KO !!!!!! code retour $CODE"else    echo "$DATE - OK, code $CODE"fi這是我的sudo crontab -e：# m h  dom mon dow   command0 2 * * * root /usr/bin/perl /var/backup/backup.pl* * * * * root /bin/sh /var/backup/checkHealth.sh這是我的sudo tail -f /var/log/cron.log：May 11 20:39:01 ns381471 CRON[10778]: (root) CMD (root /bin/sh /var/backup/checkHealth.sh)May 11 20:39:26 ns381471 crontab[10823]: (root) BEGIN EDIT (root)May 11 20:40:01 ns381471 CRON[10880]: (root) CMD (root /bin/sh /var/backup/checkHealth.sh)May 11 20:40:01 ns381471 CRON[10879]: (root) CMD (/usr/local/rtm/bin/rtm 2 > /dev/null 2> /dev/null)May 11 20:40:30 ns381471 crontab[10823]: (root) END EDIT (root)May 11 20:41:01 ns381471 CRON[10974]: (root) CMD (/usr/local/rtm/bin/rtm 2 > /dev/null 2> /dev/null)May 11 20:41:01 ns381471 CRON[10975]: (root) CMD (root /bin/sh /var/backup/checkHealth.sh)May 11 20:42:01 ns381471 CRON[11070]: (root) CMD (/usr/local/rtm/bin/rtm 2 > /dev/null 2> /dev/null)May 11 20:42:01 ns381471 CRON[11071]: (root) CMD (root /bin/sh /var/backup/checkHealth.sh)任何幫助，將不勝感激。謝謝