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RHCE: Red Hat Certified Engineer

  • Answer 50 questions in 15 minutes.
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This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What command starts the same menu as the text-mode First Boot process?

2. To install both mod_ssl and squid packages

3. ____ is used for creating ext2 and ext3 file systems

4. I ran 'e2label /dev/sda' and got 'bad magic number' Why?

5. httpd ___ shows me what config files were installed when the httpd package was installed

6. Tthe file that might contain: oldvg - rootvg - etc.

7. To select a different device without having to restart parted - use the ____ command . Then - you can view its partition table or configure it.

8. How to install apache?

9. The default Red Hat Enterprise Linux firewall blocks access to an NFS server. While inelegant - the following command 'flushes -' or turns off - the standard Linux firewall from the local computer.

10. Apache supports security by specifying active ports through the Listen and ____ directives.

11. You need to configure firewalls and allow SELinux access in appropriate ways. Firewalls must allow access to the standard HTTP port - 80. SELinux must be configured to 'Allow HTTPD To Read Home Directories'. Finally - the ACL must be revised accordin

12. rpm ____ verifies all installed rpms against the rpm database

13. It's much more difficult and much more time-consuming to revise partitions with utilities such as ____ or parted after RHEL is installed.

14. Run the ____ command to find the device associated with the USB key.

15. Virtual Host Configuration: Specifies an IP address for multiple virtual hosts.

16. Where is the config dir for vsftpd?

17. Create the basic cache directories in /var/spool/squid with the following command:

18. httpd ___ to update the httpd package - automatically answering yes to all the questions

19. The RPM database also maintains an MD5 checksum of each file. With the checksum - you can use the ____ package command to determine whether any file from that RPM package has changed.

20. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.

21. You can check the status of your share. If it's working - you should see the contents of the /etc/exports directory when you run the following command:

22. If in doubt about package names - you can find them in the ...

23. ____ configuration is not available via text mode RHEL installation.

24. How to start apache service?

25. The rpm ____ option installs the package - if it isn't already installed.

26. Virtual Host Configuration: Assigns an e-mail address for the specified virtual host.

27. '____ /var/www' will tell you the ACL settings of /var/www

28. Create a disk label for the partition table called k

29. For linux ext2 there is an easier way than using resize2fs. LVM 1 ships with a utility called __________ which does the lvextend and resize2fs for you (it can also do file system shrinking)

30. The simplest way to install Apache

31. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____

32. How to install vsftpd?

33. The main Squid configuration file is ____/squid.conf

34. If you configure other directories for Web services - you'll need to change their ACL settings. For example - if you create and then use the /www directory - run the following commands:

35. what port needs to be open to access ftp?

36. Use grep to count how many repositories have been configured in the file server1.repo

37. How to disable the firewall on the current system?

38. Where is the main apache data directory?

39. To update a kernel - 1) ____ 2) boot new kernel to test 3) revert to old kernel if problems 4) yum remove kernel-oldversion if no problems

40. Logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.

41. pam ___ will tell me if any files in the pam package have changed since it was first installed

42. ____ prints superblock and block group information.

43. _____ will change the size of /dev/rootvg/tmplv to 4 gig

44. The most straightforward way to make sure Apache starts in bootlevels 3 and 5

45. Virtual Host Configuration: Creates an custom log; the location is based on the DocumentRoot. (from http://www.books24x7.com/book/id_18196/viewer.asp?bookid=18196&chunkid=218985502)

46. Are SELinux and iptables-based firewalls are enabled by default?

47. How do you restart the apache web server?

48. If rhel6 is in the /media directory - where is the XML file on that DVD with a database of packages and package groups?

49. Perform a simple check of the file system. minor-num is x.

50. SELinux must be configured to Allow HTTPD To Read Home Directories. (Alternatively - activate the httpd_enable_homedirs boolean with the __ command.)