Linux OPS-September 5, 2015 Course Assignment (Task plan use and practice)-jy1506402-19+liuhui880818

Job target:Linux OPS Practice-September 5, 2015 Course Assignment (practice) Schedule

Working Environment: CentOS 6.7/7 x86_64

First, homework (exercise) content:

1. Summarize the detailed usage method of the task plan (at, crontab) on Linux system;

2, every Monday to Saturday 3:20 A.M., run the CP command to archive the/etc/directory, storage location is/BACKUPS/ETC-YYYY-MM-DD;

3, every Sunday 2:30 A.M., run the CP command to backup the/etc/fstab file, the storage location is/BACKUP/FSTAB-YYYY-MM-DD-HH-MM-SS;

4, every night 12 o'clock, get all the lines in the/proc/meminfo file starting with S or M, appended to the/statistics/meminfo.txt file, and the daily message before, to add a similar =============== separator line;

Second, completion time:

Before September 8, 2015.

Third, complete the steps:

1. Summarize the detailed usage method of the task plan (at, crontab) on Linux system;

2, every Monday to Saturday 3:20 A.M., run the CP command to archive the/etc/directory, storage location is/BACKUPS/ETC-YYYY-MM-DD;

3, every Sunday 2:30 A.M., run the CP command to backup the/etc/fstab file, the storage location is/BACKUP/FSTAB-YYYY-MM-DD-HH-MM-SS;

4, every night 12 o'clock, get all the lines in the/proc/meminfo file starting with S or M, appended to the/statistics/meminfo.txt file, and the daily message before, to add a similar =============== separator line;

Pending completion

Linux OPS-September 5, 2015 Course Assignment (Task plan use and practice)-jy1506402-19+liuhui880818