1. Automated batch system initialization program (update, software installation, time zone setting...)
2. Automated batch software deployment (LAMP, LNMP, Tomcat...)
3. Manage applications
4. Log analysis and processing program (output website visits)
5. You can write automated backup and recovery programs (MySql full backup/incremental)
6. Automated management program (batch remote password modification, software upgrade, configuration update)
7. Automated information collection and monitoring program (collection of system/application status information, CPU, Mem, Net, etc.)
8. Cooperate with Zabbix to realize information collection
9. You can write a shell script to achieve automatic expansion
10. You can use the shell to write small programs, such as Tetris