Test your basic knowledge |

RHCSA Commands

Subjects : certifications, it-skills, rhcsa

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. Install with RPM
/usr/share/doc/initscripts-*/sysconfig.txt
#rpm -ivh [package name]
# star -xattr -H=exustar -c -f=home.star /home/
yum search firefox

2. Remove a package with yum
#yum remove [package name]
/etc/rsyslog.conf
#iptables -D INPUT -p tcp --dport 21 -j accpet
yum search firefox

3. Persist FTP on boot
chkconfig httpd on
ntpdate -b instructor
#yum groupinstall "group name"
chkconfig vsftpd on

4. Connect with VNC viewer securely
vncviewer -via student@server6 localhost:2
# virsh create /etc/libvert/qemu/vm_file_name.xml
tar fzj
#yum groupinstall "group name"

5. handles dependencies while RPMs do not uses preconfigured repos
#yum
vsftpd restart
man search :/repository
updating the kernel

6. Email related messages log
GUI menu system/administratrion/firewall
ssh-copy-id root@server6.example.com
/var/log/maillog
/etc/sysconfig/network

7. Restart vnc and persist on boot
[repo identifier] name=[repo name] baseurl=[repo url] enabled = 1 gpgcheck = 1 (0 for local system) gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release -file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-beta
service vncserver restart chkconfig vncserver on
Fully Qualified Domain Name
#rpm -ivh [package name]

8. Redirect errors to std out
man search :/repository
/var/log/cron
2>&1
#iptables -D INPUT -p tcp --dport 21 -j accpet

9. GUI install / uninstall with yum
tar xvzf /tmp/etc.tar.gz /etc
add/remove software GUI
# cat /var/log/messages | grep [Ff]ailed | less
system-config-date

10. Query all documentation with RPM
#yum remove [package name]
#rpm -qad [package name]
/usr/share/doc/initscripts-*/sysconfig.txt
yum list

11. Restart the ntpd service
rpm -qc httpd
yum list
ntpdate -b instructor
service ntpd restart

12. System config firewall
vncpasswd
GUI menu system/administratrion/firewall
#rpm -qac [package name]
tar czvf /tmp/etc.tar.gz /etc

13. Get information about a package named firefox4
rpm -ql vsftpd
tar cxtv
GUI menu system/administratrion/firewall
yum info firefox4

14. See the configuration files installed with a package named httpd
rpm -ql vsftpd
#uname -r
rpm -qc httpd
/etc/ssh/sshd_config

15. Create a symbolic link to /pub on the FTP and name it pub
ln -s /pub /var/www/html/pub
Fully Qualified Domain Name
/etc/sysconfig/iptables
#ip addr show

16. List VMs
#rpm -qac [package name]
#virsh list
/etc/sysconfig/iptables
/etc/yum.repos.d

17. Process packets coming into the system
yum search firefox
updating the kernel
IPtables input chain
[repo identifier] name=[repo name] baseurl=[repo url] enabled = 1 gpgcheck = 1 (0 for local system) gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release -file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-beta

18. Create a tar ball with gzip compression of the home dir
$ tar czvf home.tar.gz /home
#yum grouplist
#uname -r
#yum groupinstall "group name"

19. FTP package used in RHEL 6
service sshd restart
GUI menu system/administratrion/firewall
vsftpd
Fully Qualified Domain Name

20. Grep with ignoring case
2>&1
# grep -i
service ntpd restart
# star -xattr -H=exustar -c -f=home.star /home/

21. fqdn
Fully Qualified Domain Name
system-config-firewall tui
vsftpd restart
2>&1

22. Start GUI for Firewall
# ls -l /usr/share/doc | grep httpd
rpm -q pkg.rpm --scripts
/var/log/secure
system-config-firewall (Push the enable button and check the appropriate boxes. Check.)

23. Determine which package provides SSH
#yum
yum provides "*/sbin/sshd"
yum info firefox4
# virsh create /etc/libvert/qemu/vm_file_name.xml

24. Extract a star compressed file
ntpdate -b instructor
[repo identifier] name=[repo name] baseurl=[repo url] enabled = 1 gpgcheck = 1 (0 for local system) gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release -file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-beta
# yum
# star -x -f=home.star

25. Install the star compression tool create an archive with the star tool.
#rpm -qi [package name]
tar xvzf /tmp/etc.tar.gz /etc
# ls -l /usr/share/doc | grep httpd
# star -xattr -H=exustar -c -f=home.star /home/

26. Display packages that match the pathname
vncpasswd
# renice -10 proc-id
yum provides
#rpm -qad [package name]

27. Use lftp to connect
/usr/share/doc/initscripts-*/sysconfig.txt
tar xvzf /tmp/etc.tar.gz /etc
lftp student@server6 httpd configuration /etc/httpd/conf/httpd.conf rpm -ql httpd
yum search firefox

28. Search for a package within all packages
yum update
#rpm -qa | grep [package name]
tar czvf /tmp/etc.tar.gz /etc
add/remove software GUI

29. Stores IPtables rules (filter) chains - input forward output are persistant
rpm localinstall pkg.rpm --nogpgcheck
/etc/sysconfig/iptables
2>&1
rpm -q pkg.rpm --scripts

30. Search for a package with firefox in the description
updating the kernel
ssh-keygen
yum search firefox
cp /home/test1.html /var/www/html/test1.html

31. Configuration file for system logs
yum install tigervnc-server
rsync -a /home/test1.html root@server6.example.com:/var/pub
/etc/rsyslog.conf
rhn_register

32. All messages sent at info priority or higher
# vi /etc/inittab change - id:3:initdefault:
/var/log/messages
rsync -a /home/test1.html root@server6.example.com:/var/pub
/etc/sysconfig/resolv.conf

33. Gets kernel version and release number
# virsh create /etc/libvert/qemu/vm_file_name.xml
#uname -r
/etc/sysconfig/vncservers rpm -ql tigervnc-server
add/remove software GUI

34. File containing information to create rpm package - RPM packages contain these files: libraries or application - any documentation - any configuration files
system-config-date
#rpm -qac [package name]
.spec
#rpm -ivh [package name]

35. Should be done with yum and install as opposed to update if done with RPM option "i" should be used and not "u"
add/remove software GUI
system-config-firewall (Push the enable button and check the appropriate boxes. Check.)
updating the kernel
palimpsest

36. Remote file copy /home/test1.html to the /var/pub directory on server6 while preserving metadata
[repo identifier] name=[repo name] baseurl=[repo url] enabled = 1 gpgcheck = 1 (0 for local system) gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release -file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-beta
#rpm -qi [package name]
rsync -a /home/test1.html root@server6.example.com:/var/pub
GUI menu system/administratrion/firewall

37. Primary configuration of ssh
/etc/services
/etc/ssh/sshd_config
/var/log/secure
add/remove software GUI

38. Get more information on a package availale through yum
/etc/sysconfig/network
#yum info [package name]
/dev
vsftpd restart

39. Search for command in the doc directory
#iptables -F
name-version-release.architecture.rpm
# ls -l /usr/share/doc | grep httpd
/var/lib/rpm

40. Grep for lines that do not match (-v)
chkconfig vsftpd on
$ grep -v ^# /etc/nsswitch.conf
/var/www/html/
rpm -q pkg.rpm --scripts

41. Query information files with RPM
yum install firefox4
ln -s /pub /var/www/html/pub
#rpm -qi [package name]
/var/www/html/

42. Start the GUI for date configuration
# grep -i
system-config-date
/etc/services
# star -x -f=home.star

43. Sync ntp time with the instructor
/etc/sysconfig/vncservers rpm -ql tigervnc-server
#rpm -qad [package name]
ntpdate -b instructor
system-config-firewall (Push the enable button and check the appropriate boxes. Check.)

44. Shell config tool gropued like GUI firewall configurater.
add/remove software GUI
lftp student@server6 httpd configuration /etc/httpd/conf/httpd.conf rpm -ql httpd
/var/www/html/
system-config-firewall tui

45. Remote copy /home/test1.html to the /var/pub directory on server6 with progress - preserving hard links - and using relative path names
rsync -PHR /home/test1.html root@server6.example.com:/var/pub
/var/log/maillog
/etc/sysconfig/iptables
ssh-copy-id root@server6.example.com

46. Set a VNC password
name-version-release.architecture.rpm
tar fzj
ssh-copy-id root@server6.example.com
vncpasswd

47. Install a package with yum
ssh-keygen
tar cxtv
#yum install [package name]
# virsh create /etc/libvert/qemu/vm_file_name.xml

48. Local file copy of /home/test1.html to /var/www/html/test1.html
cp /home/test1.html /var/www/html/test1.html
#iptables -D INPUT -p tcp --dport 21 -j accpet
rsync -PHR /home/test1.html root@server6.example.com:/var/pub
/etc/hosts

49. Persist the web server on boot
chkconfig httpd on
add/remove software GUI
$ tar czvf home.tar.gz /home
rsync -PHR /home/test1.html root@server6.example.com:/var/pub

50. GUI File Manager
ip masqu
#uname -r
/etc/hosts
nautilus