30 main directions for the rhce Examination

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