The following 30 focuses on the main direction of the rhce examination:
1. Familiar with RedHat Linux installation options, especially network installation
2. Understand Lilo, grub, and other startup management programs and boot Processes
3. Able to install (RPM) and set other installation options afterwards
4. Understand the RedHat Linux System Configuration
5. Familiar with various configuration files under/etc/sysconfig/network-Scripts
6. understand and practice various RedHat Installation Tools and multi-startup
7. automatically install RedHat Linux (kickstart installation)
8. understand and practice RPM installation, removal, and query, especially the installation and query syntax on the instruction set.
9. Familiar with basic concepts of *. SRC. rpm
10. Familiar with rescue mode (rescue environment)
11. User Account Management
12. manage user environments
13. Understand the system and user bash configuration files
14. Set the user's disk quota (quota)
15. understand and use scheduled tasks (corn and)
16. understand various kernel concepts, such as monolithic, modular kernels, and initial ramdisks.
17. Re-compile/customize/upgrade the system kernel)
18. New System cores and other options can be set in LILO or GRUB
19. Set Basic Apache, Samba, NIS, NFS, basic Sendmail, POP3/IMAP4 mail service, DNS, and FTP services.
20. You can set, start, disable the above services, debug errors in case of failure, and manage related logs)
21. restrict network access to the above services
22. Check other network services, such as squid, innd NNTP server, and xntpd.
23. Understand the Basic Environment and theory of xfree86, especially X Server and Its Configuration tool (redhat-config-xfree86)
24. Various Window managers can be set and different desktop modes can be switched)
25. I have learned about various Linux Remote Control Methods (SSH) including X)
26. Set the xinetd service and integrate tcp_wrapper
27. Understand and set Pam
28. Understand and set up IP routing
29. understand and use iptables to set up a firewall
30. Create a user private group scheme