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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 utility can be used to open port 80?

2. Where is the vsftp pub dir?

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

4. output from ____ is: Disk /dev/cciss/c0d0: 36.4 GB - 36414750720 bytes... plus listing of partitions - for each physical drive

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

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

7. rpm option to show me the package files

8. 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:

9. List sboth the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.

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

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

12. When an rpm install fails for xxxx because the same version is already apparently installed - run ____ to just install it all again

13. This line placed in /etc/hosts.deny will mean that only computer allowed to access our Telnet server has an IP address of

14. 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

15. For SELinux - you'll at least want to use the Security Level Configuration tool to activate the Allow Squid Daemon To Connect To The Network option - also known as the squid_connect_any boolean. Alternatively - you can activate this boolean with the

16. 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

17. What command starts the same menu as the text-mode First Boot process?

18. 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)

19. How to start the vsftp service?

20. 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.

21. The simplest way to install Apache

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

23. When you configure Squid on your system - you need to allow access through appropriate ports and SELinux settings. The simplest approach with respect to Squid configuration assumes that all clients use the default Squid port 3128 - using TCP - where

24. Where to find the main apache config file?

25. What is the standard directory for file sharing with vsFTP?

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

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

28. OS from http.conf - this line looks deceptively simple; it limits what readers see about your Web server when you browse to a nonexistent page. If you don't use this command - outsiders can see whether you've loaded modules such as Perl - Python - an

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

30. ___ http://devmon.dev.schwab.com/index.html will make a local copy of the index.html file from devmon

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

32. Some computers built before 1998 may have a BIOS that limits access to hard disks beyond the 1024th cylinder. Some older BIOSs report only 1024 cylinders on a hard drive no matter how many actual cylinders are present. Computers that are subject to t

33. Where is vsftpd.conf?

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

35. To list under which run levels the web service will start

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

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

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

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

40. ____ prints superblock and block group information.

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

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

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

44. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael if you want /home/michael/public_html accessible

45. To verify integrity of an rpm package - ____/rpm-gpg/RPM-GPG-KEY-redhat-release

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

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

48. This line placed in /etc/hosts.deny sends a customized error message for Telnet users on the crack.org domain saying sorry [insert client info] - access denied

49. How to install apache?

50. rpm ____ to install kernel updates