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在Linux中怎么使用cron计划任务
时间:2025-11-03 18:10:02 出处:域名阅读(143)

复制# crontab -e SHELL=/bin/bash MAILTO=root@example.com PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin # For details see man 4 crontabs # Example of job definition: # .---------------- minute (0 - 59) # | .------------- hour (0 - 23) # | | .---------- day of month (1 - 31) # | | | .------- month (1 - 12) OR jan,使用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 # backup using the rsbu program to the internal 4TB HDD andthen 4TB external 01 01 * * * /usr/local/bin/rsbu -vbd1 ; /usr/local/bin/rsbu -vbd2 # Set the hardware clock to keep it in sync with the more accurate system clock 03 05 * * * /sbin/hwclock --systohc # Perform monthly updates on the firstof the month # 25 04 1 * * /usr/bin/dnf -y update 1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.
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