SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Redhat Linux Administration
Start Test
Study First
Subject
:
it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
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. Virtual Host Configuration: Sets a root directory for the virtual host.
squid -z
DocumentRoot
tune2fs
-K
2. for http - if you implement "UserDir public_html" - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
/etc/lvmtab
chmod 705
/boot
arted; mklabel k
3. This line placed in /etc/hosts.deny denies all services except TFTP to computers in the example.org domain
NameVirtualHost
-i
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
rpm -ivh --replacepkgs xxxx*
4. 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)
CustomLog
e2fsadm
parted; check x
/etc/squid/
5. The file that might contain: oldvg - rootvg - etc.
/etc/lvmtab
ServerAdmin
parted /dev/hda print
rpm -qc httpd
6. The simplest way to install Apache
-i (do not use -U or -F!)
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
yum install httpd
ServerTokens OS from http.conf
7. You ran "e2label /dev/sda" and got "bad magic number" Why?
NameVirtualHost
filesystem type is not ext2 or ext3
lvdisplay -D /dev/rootvg/tmplv
elinks
8. ___ shows me what config files were installed when the httpd package was installed
resize2fs
showmount -a
rpm -qc httpd
fdisk -l
9. Virtual Host Configuration: Names the URL for the virtual host.
yum clean all
ServerName
ServerAdmin
ServerTokens OS from http.conf
10. 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
chcon -R -t httpd_sys_content_t /home/michael/public_html
ServerName
chmod 701
-i
11. The most straightforward way to make sure Apache starts in bootlevels 3 and 5
rpm -V zip
hkconfig --list httpd
chkconfig --level 35 httpd on
select (followed by the device name such as /dev/hdb)
12. To list under which run levels the web service will start
pirut
rpm -V
chcon -R -t httpd_sys_content_t /home/michael/public_html
hkconfig --list httpd
13. rpm ____ verifies the installed zip rpm against the rpm database
iptables
yum update kernel
rpm -V zip
rpm -Va
14. rpm option to show me the package files
-l
wget (http://devmon.dev.schwab.com/index.html)
setsebool -P htttpd.enable.homedirs 1
NameVirtualHost
15. use grep to count how many repositories have been configured in the file server1.repo
(rpm -q)p file (for rpmfile name)
chkconfig --level 35 httpd on
grep "[.*]" server1.repo
mke2fs
16. in httpd.conf - "____ None" disables any .htaccess files. Otherwise - .htaccess can allow others to administer your server - starting from the DocumentRoot directory. If .htaccess is in a subdirectory - such as /var/www/html/data/ - the additional di
chkconfig --level 35 httpd on
rpm -V pam
AllowOverride
filesystem type is not ext2 or ext3
17. 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:
dd if=./diskboot.img of=/dev/sdc
telnetd : ALL EXCEPT 192.168.1.10
mke2fs
showmount -e
18. rpm ____ verifies all installed rpms against the rpm database
rpm -Va
tune2fs
yum update kernel
nfs
19. Perform a simple check of the file system. minor-num is x.
NameVirtualHost
showmount -e
ServerAdmin
parted; check x
20. Create a disk label for the partition table called k
arted; mklabel k
setsebool -P htttpd.enable.homedirs 1
lvextend -L4G /dev/rootvg/tmplv
NameVirtualHost
21. The main Squid configuration file is ____/squid.conf
ServerName
parted /dev/hda print
/etc/squid/
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
22. ____.com - ____.net - and ____.org domains are generic domain names that can't be assigned on the Internet. You can therefore use any of these domain names on your private network.
example
squid -z
tune2fs
iptables -F
23. _____ will change the size of /dev/rootvg/tmplv to 4 gig
lvextend -L4G /dev/rootvg/tmplv
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
showmount -e
rpm -V pam
24. SELinux must be configured to Allow HTTPD To Read Home Directories. (Alternatively - activate the httpd_enable_homedirs boolean with the __ command.)
setsebool -P htttpd.enable.homedirs 1
NameVirtualHost
DocumentRoot
rpm -ivh --replacepkgs xxxx*
25. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.
ErrorLog
-i (do not use -U or -F!)
rpm -V zip
yum install httpd
26. 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)
chmod 705
ls -Z
fdisk -l
CustomLog
27. 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
iptables
fdisk -l
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
/etc/lvmtab
28. 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.
bootable partitions
/etc/lvmtab
grep "[.*]" server1.repo
rpm -V
29. rpm ____ [name of package] to verify the package - once you have manually imported the key
rpm -V zip
hkconfig --list httpd
LVM
-K
30. create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory
rpm -qc httpd
dd if=./diskboot.img of=/dev/sdc
telnetd : ALL EXCEPT 192.168.1.10
select (followed by the device name such as /dev/hdb)
31. ___________ can be on a RAID device
squid -z
bootable partitions
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
iptables
32. after you edit /etc/exports - run service ___ stop...
nfs
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
resize2fs /dev/myvg/homevol
parted; check x
33. As you may not have access to the GUI during the Red Hat exams - you need to know how to use text-based browsers. The standard is ____
parted /dev/hda print
ok
ServerAdmin
elinks
34. rpm ____ to import the rpm key for integrity checking
dumpe2fs
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
rpm -V pam
--import file
35. ___ to update the httpd package - automatically answering yes to all the questions
yum -y update httpd
select (followed by the device name such as /dev/hdb)
chkconfig --level 35 httpd on
elinks
36. 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
iptables
example
rpm -V zip
AllowOverride
37. if you want to create a database file named webpass in the /etc/httpd directory - for user "e" - you'd start with the following command:
/boot
NameVirtualHost
ServerTokens OS from http.conf
htpasswd -c /etc/httpd/webpass e
38. To check status of ftp daemon
yum clean all
yum install httpd
NameVirtualHost
service vsftpd status
39. create the basic cache directories in /var/spool/squid with the following command:
resize2fs
squid -z
resize2fs /dev/myvg/homevol
chcon -R -t httpd_sys_content_t /home/michael/public_html
40. ____ is used for creating ext2 and ext3 file systems
bootable partitions
mke2fs
rpm -V pam
lvextend -L4G /dev/rootvg/tmplv
41. ____ is used to modify file system parameters
ServerTokens OS from http.conf
/etc/lvmtab
bootable partitions
tune2fs
42. ___ http://devmon.dev.schwab.com/index.html will make a local copy of the index.html file from devmon
select (followed by the device name such as /dev/hdb)
rpm -ivh --replacepkgs xxxx*
wget (http://devmon.dev.schwab.com/index.html)
LVM
43. The rpm ____ option installs the package - if it isn't already installed.
grep "[.*]" server1.repo
service vsftpd status
-i
yum install mod_ssl squid
44. ______ will show me volume info including vg - size - etc of /dev/rootvg/tmplv
filesystem type is not ext2 or ext3
lvdisplay -D /dev/rootvg/tmplv
mke2fs
NameVirtualHost
45. 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:
service vsftpd status
chkconfig --level 35 httpd on
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
-l
46. rpm ____ to install kernel updates
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
-i (do not use -U or -F!)
resize2fs
-i
47. Run the ____ command to find the device associated with the USB key.
-i
ServerAdmin
fdisk -l
chkconfig --level 35 httpd on
48. You just finished editing your /etc/yum.repos.d/*repo file and want yum to use the new info - so you run ____
hkconfig --list httpd
chmod 701
/etc/squid/
yum clean all
49. use parted to display disk geometry for /dev/hda and end up in shell
yum clean all
5
parted /dev/hda print
-i
50. when an rpm install fails for xxxx because the same version is already apparently installed - run ____ to just install it all again
rpm -V
ServerTokens OS from http.conf
ok
rpm -ivh --replacepkgs xxxx*