Test your basic knowledge |

RHCSA Commands

Subjects : certifications, it-skills, rhcsa

Instructions:

Answer 50 questions in 15 minutes.
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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. Install a package named firefox4
rpm --import [public key location]
GUI menu system/administratrion/firewall
yum install firefox4
# star -x -f=home.star

2. File containing information to create rpm package - RPM packages contain these files: libraries or application - any documentation - any configuration files
ntpdate -b instructor
*.debug /var/log/debug.log service rsyslog restart
.spec
#yum

3. Package file named pkg.rpm
/etc/sysconfig/iptables
rpm -qp pkg.rpm
/etc/sysconfig/network
palimpsest

4. List iptables
tar fzj
rpm -qp pkg.rpm
#iptables -I INPUT -p tcp --dport 21 -j Accept
#iptables -L

5. System config firewall
#yum remove [package name]
GUI menu system/administratrion/firewall
#rpm -ivh [package name]
/var/log/messages

6. Disk Utility Command
#virsh list
rsync -PHR /home/test1.html root@server6.example.com:/var/pub
yum remove firefox4
palimpsest

7. All messages sent at info priority or higher
/var/log/messages
#rpm -qad [package name]
2>&1
chkconfig httpd on

8. Gets kernel version and release number
system-config-firewall (Push the enable button and check the appropriate boxes. Check.)
#uname -r
system-config-date
#rpm -qac [package name]

9. Local host file (contains hostname). Can contain local system DNS.
GUI menu system/administratrion/firewall
yum update
/etc/hosts
$ tar czvf home.tar.gz /home

10. Create a tar ball with gzip compression of the home dir
yum provides
palimpsest
rsync /home/test1.html root@server6.example.com:/var/pub
$ tar czvf home.tar.gz /home

11. Shell config tool gropued like GUI firewall configurater.
Fully Qualified Domain Name
rpm -ql vsftpd
rsync -a /home/test1.html root@server6.example.com:/var/pub
system-config-firewall tui

12. Backup a home directory on desktop6 to /tmp on server6
ntpdate -b instructor
/var/log/cron
tar fzj
rsync /home root@server6.example.com:/tmp

13. Acting as a router with forwarding
rsync /home/test1.html root@server6.example.com:/var/pub
#iptables -F
ip masqu
chkconfig httpd on

14. Persist the web server on boot
yum list
/etc/rsyslog.conf
.spec
chkconfig httpd on

15. An example of searching through system logs with interpretation.
# cat /var/log/messages | grep [Ff]ailed | less
updating the kernel
$ grep -v ^# /etc/nsswitch.conf
yum install tigervnc-server

16. Extract /tmp/etc.tar.gz to /etc
tar xvzf /tmp/etc.tar.gz /etc
nautilus
#rpm -qad [package name]
logwatch

17. Remote file copy /home/test1.html to the /var/pub directory on server6 while preserving metadata
/var/lib/rpm
nautilus
#yum groupinstall "group name"
rsync -a /home/test1.html root@server6.example.com:/var/pub

18. Sync ntp time with the instructor
tar xvzf /tmp/etc.tar.gz /etc
system-config-firewall (Push the enable button and check the appropriate boxes. Check.)
#ip addr show
ntpdate -b instructor

19. GUI File Manager
nautilus
tar xvzf /tmp/etc.tar.gz /etc
/var/lib/rpm
IPtables input chain

20. Determine which package provides SSH
.spec
yum provides "*/sbin/sshd"
#iptables -D INPUT -p tcp --dport 21 -j accpet
#yum groupinstall "group name"

21. Search for command in the doc directory
# ls -l /usr/share/doc | grep httpd
# virsh create /etc/libvert/qemu/vm_file_name.xml
#yum info [package name]
/etc/vsftpd/vsftpd.conf rpm -ql vsftpd

22. Restart ssh services
service sshd restart
yum list
/etc/rsyslog.conf
$ grep -v ^# /etc/nsswitch.conf

23. tar options for file name - gzip - and bzip2
/etc/vsftpd/vsftpd.conf rpm -ql vsftpd
updating the kernel
tar fzj
ln -s /pub /var/www/html/pub

24. Extract a star compressed file
/var/log/messages
# star -x -f=home.star
add/remove software GUI
/etc/yum.repos.d/

25. Repos for yum
/etc/yum.repos.d
yum update
#iptables -D INPUT -p tcp --dport 21 -j accpet
#rpm -ivh [package name]

26. Register on the RHN
*.debug /var/log/debug.log service rsyslog restart
yum remove firefox4
/etc/yum.repos.d
rhn_register

27. Set process priority with renice - -20 highest - 20 lowest - 0 is default
vsftpd
# renice -10 proc-id
#yum groupremove "group name"
yum list

28. Rpm upgrade package u upgrade v verbose h hash
#rpm -uvh [package name]
ip masqu
add/remove software GUI
#yum groupremove "group name"

29. Stores IPtables rules (filter) chains - input forward output are persistant
tar fzj
/etc/sysconfig/iptables
IPtables input chain
ln -s /pub /var/www/html/pub

30. Create a symbolic link to /pub on the FTP and name it pub
#iptables -L
cat >> some_file << _EOF
.spec
ln -s /pub /var/www/html/pub

31. Install with RPM
#rpm -ivh [package name]
vncpasswd
rpm -qp pkg.rpm
yum update

32. Configuration for VNC
add/remove software GUI
ssh-keygen
/etc/sysconfig/vncservers rpm -ql tigervnc-server
system-config-firewall tui

33. Query information files with RPM
#rpm -qi [package name]
#yum
rsync /home root@server6.example.com:/tmp
*.debug /var/log/debug.log service rsyslog restart

34. Install a package group with yum
#yum groupinstall "group name"
/etc/ssh/sshd_config
#yum groupremove "group name"
service vncserver restart chkconfig vncserver on

35. Install a package with yum
# star -x -f=home.star
man search :/repository
#yum install [package name]
yum provides

36. Generate SSH Keys
#uname -r
ssh-keygen
/etc/sysconfig/iptables
*.debug /var/log/debug.log service rsyslog restart

37. Start a VM
#virsh list
# virsh create /etc/libvert/qemu/vm_file_name.xml
2>&1
#uname -r

38. Query configuration files with RPM
ntpdate -b instructor
#rpm -qac [package name]
yum remove firefox4
yum update

39. tar options for create - extract - test - and verbose
ip masqu
.spec
tar cxtv
/etc/yum.repos.d

40. Adjust the persistent runlevel
#virsh list
# vi /etc/inittab change - id:3:initdefault:
/etc/hosts
#yum

41. FTP package used in RHEL 6
system-config-firewall tui
lftp student@server6 httpd configuration /etc/httpd/conf/httpd.conf rpm -ql httpd
rpm localinstall pkg.rpm --nogpgcheck
vsftpd

42. Grep for lines that do not match (-v)
#virsh destroy domain-id
.spec
#yum groupremove "group name"
$ grep -v ^# /etc/nsswitch.conf

43. Should be done with yum and install as opposed to update if done with RPM option "i" should be used and not "u"
updating the kernel
nautilus
yum provides "*/sbin/sshd"
/etc/sysconfig/network

44. GUI install / uninstall with yum
rpm --import [public key location]
#iptables -I INPUT -p tcp --dport 21 -j Accept
/var/www/html/
add/remove software GUI

45. Use lftp to connect
#iptables -L
/etc/hosts
#ip addr show
lftp student@server6 httpd configuration /etc/httpd/conf/httpd.conf rpm -ql httpd

46. Persist FTP on boot
chkconfig vsftpd on
tar cxtv
/var/log/maillog
cat >> some_file << _EOF

47. Get information about a package named firefox4
#rpm -qad [package name]
yum info firefox4
yum install firefox4
# star -xattr -H=exustar -c -f=home.star /home/

48. Stores filewall rules for the system.
rsync -a /home/test1.html root@server6.example.com:/var/pub
$ tar xzvf home.tar.gz /home
/etc/sysconfig/iptables
rsync /home root@server6.example.com:/tmp

49. See files installed with a package named vsftpd
rpm -ql vsftpd
insert as opposed to append
system-config-date
/var/log/messages

50. Email related messages log
/var/log/maillog
chkconfig vsftpd on
/dev
tar czvf /tmp/etc.tar.gz /etc

Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?

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Test your basic knowledge |

RHCSA Commands

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