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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. rpm options include rpm -q [package name] or rpm -qf [path/file] or rmp -q____
showmount -a
(rpm -q)p file (for rpmfile name)
-i (do not use -U or -F!)
yum install httpd
2. use parted to display disk geometry for /dev/hda and end up in shell
yum install httpd
parted /dev/hda print
showmount -e
ServerName
3. You ran "e2label /dev/sda" and got "bad magic number" Why?
rpm -V zip
filesystem type is not ext2 or ext3
e2fsadm
elinks
4. ____ configuration is not available via text mode RHEL installation.
LVM
showmount -a
showmount -e
dd if=./diskboot.img of=/dev/sdc
5. ____ can expand and shrink ext2 and ext3 file systems
resize2fs
/boot
rpm -V
example
6. for http - if you implement "UserDir public_html" - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
bootable partitions
fdisk
rpm -Va
chmod 705
7. 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:
tune2fs
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
showmount -e
yum install httpd
8. 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)
CustomLog
yum update kernel
htpasswd -c /etc/httpd/webpass e
yum -y update httpd
9. 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)
NameVirtualHost
e2fsadm
-i
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
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
yum install httpd
yum update kernel
setsebool -P squid_connect_any 1
chcon -R -t httpd_sys_content_t /home/michael/public_html
11. Create a disk label for the partition table called k
dumpe2fs
CustomLog
service vsftpd status
arted; mklabel k
12. To list under which run levels the web service will start
ErrorLog
hkconfig --list httpd
rpm -V zip
fdisk -l
13. logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.
tune2fs
example
5
grep "[.*]" server1.repo
14. 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.
iptables -F
resize2fs
rpm -V pam
ServerName
15. after extending file system "homevol" - unmount it and then run _____ to make the filesystem size match the new larger volume.
ServerAdmin
bootable partitions
resize2fs /dev/myvg/homevol
hkconfig --list httpd
16. You just finished editing your /etc/yum.repos.d/*repo file and want yum to use the new info - so you run ____
arted; mklabel k
lvdisplay -D /dev/rootvg/tmplv
showmount -e
yum clean all
17. use grep to count how many repositories have been configured in the file server1.repo
/etc/lvmtab
grep "[.*]" server1.repo
mke2fs
yum install httpd
18. Apache supports security by specifying active ports through the Listen and ____ directives.
ErrorLog
resize2fs
e2fsadm
NameVirtualHost
19. Perform a simple check of the file system. minor-num is x.
CustomLog
iptables
parted; check x
chmod 705
20. 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 ____
fdisk -l
ok
elinks
ServerName
21. _____ will change the size of /dev/rootvg/tmplv to 4 gig
NameVirtualHost
fdisk
lvextend -L4G /dev/rootvg/tmplv
iptables
22. rpm ____ verifies all installed rpms against the rpm database
rpm -Va
setsebool -P htttpd.enable.homedirs 1
nfs
arted; mklabel k
23. 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:
yum install mod_ssl squid
ls -Z
AllowOverride
htpasswd -c /etc/httpd/webpass e
24. The simplest way to install Apache
ErrorLog
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
yum install httpd
rpm -V zip
25. rpm ____ to install kernel updates
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
/etc/lvmtab
-i (do not use -U or -F!)
yum -y update httpd
26. rpm ____ verifies the installed zip rpm against the rpm database
rpm -V zip
chmod 701
squid -z
resize2fs /dev/myvg/homevol
27. The most straightforward way to make sure Apache starts in bootlevels 3 and 5
CustomLog
lvdisplay -D /dev/rootvg/tmplv
parted; check x
chkconfig --level 35 httpd on
28. 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
wget (http://devmon.dev.schwab.com/index.html)
DocumentRoot
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
/boot
29. 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
arted; mklabel k
yum update kernel
ServerAdmin
showmount -a
30. Virtual Host Configuration: Assigns an e-mail address for the specified virtual host.
e2fsadm
select (followed by the device name such as /dev/hdb)
ServerAdmin
fdisk -l
31. ______ will show me volume info including vg - size - etc of /dev/rootvg/tmplv
resize2fs
lvdisplay -D /dev/rootvg/tmplv
ErrorLog
rpm -V pam
32. 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
LVM
DocumentRoot
fdisk -l
33. Run the ____ command to find the device associated with the USB key.
resize2fs
-K
fdisk -l
-i (do not use -U or -F!)
34. Virtual Host Configuration: Sets a root directory for the virtual host.
AllowOverride
DocumentRoot
--import file
lvextend -L4G /dev/rootvg/tmplv
35. This line placed in /etc/hosts.deny denies all services except TFTP to computers in the example.org domain
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
resize2fs
rpm -V zip
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
36. To verify integrity of an rpm package - ____/rpm-gpg/RPM-GPG-KEY-redhat-release
telnetd : ALL EXCEPT 192.168.1.10
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
yum update kernel
fdisk -l
37. ___ shows me what config files were installed when the httpd package was installed
rpm -qc httpd
-i
htpasswd -c /etc/httpd/webpass e
filesystem type is not ext2 or ext3
38. 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.
rpm -V pam
/boot
yum clean all
rpm -V
39. ;'___ /var/www' will tell you the ACL settings of /var/www
ServerTokens OS from http.conf
ls -Z
ServerAdmin
filesystem type is not ext2 or ext3
40. rpm option to show me the package files
-K
-l
chcon -R -t httpd_sys_content_t /home/michael/public_html
chkconfig --level 35 httpd on
41. You can use the ____ tool after installation to add any package groups that you missed.
fdisk
pirut
ErrorLog
dumpe2fs
42. ___ http://devmon.dev.schwab.com/index.html will make a local copy of the index.html file from devmon
wget (http://devmon.dev.schwab.com/index.html)
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
resize2fs /dev/myvg/homevol
43. ___________ can be on a RAID device
bootable partitions
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
mke2fs
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
44. To check status of ftp daemon
DocumentRoot
yum clean all
service vsftpd status
yum -y update httpd
45. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:
elinks
fdisk -l
telnetd : ALL EXCEPT 192.168.1.10
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
46. rpm ____ [name of package] to verify the package - once you have manually imported the key
resize2fs
5
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
-K
47. when an rpm install fails for xxxx because the same version is already apparently installed - run ____ to just install it all again
tune2fs
rpm -ivh --replacepkgs xxxx*
fdisk -l
yum -y update httpd
48. how to install both mod_ssl and squid packages
AllowOverride
squid -z
/etc/lvmtab
yum install mod_ssl squid
49. The file that might contain: oldvg - rootvg - etc.
/etc/lvmtab
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
-l
chkconfig --level 35 httpd on
50. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.
yum install httpd
e2fsadm
ok
ErrorLog