crontab學習

概念

• 日誌路徑
  • /var/log/cron
• 配置路徑
  • vi /etc/crontab

• 參考
  http://www.javashuo.com/article/p-axmqajhk-dv.html

• 問題

crontab執行任務的環境中，用戶在其餘環境設置的環境變量不生效；須要在配置文件中設置環境變量

# Example of job definition:
# .---------------- minute (0 - 59)
# |  .------------- hour (0 - 23)
# |  |  .---------- day of month (1 - 31)
# |  |  |  .------- month (1 - 12) OR jan,feb,mar,apr ...
# |  |  |  |  .---- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat
# |  |  |  |  |
# *  *  *  *  * user-name  command to be executed

25 10 * * * root /***/clean.sh > /***/clean.log 2>&1
0 10 * * * root export LD_LIBRARY_PATH=XXX;/***/operator  2>/***/monitor.err