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. Sync ntp time with the instructor
ntpdate -b instructor
rsync /home root@server6.example.com:/tmp
yum install tigervnc-server
/var/lib/rpm

2. Install a package group with yum
#rpm -qi [package name]
#rpm -qa | grep [package name]
#virsh destroy domain-id
#yum groupinstall "group name"

3. Shows network / global network variables: NETWORKING=yes HOSTNAME=shuttlehosti GATEWAY=192.168.88.1
/etc/services
#iptables -F
/etc/sysconfig/network
rpm -qp pkg.rpm

4. GUI File Manager
nautilus
#virsh destroy domain-id
/etc/sysconfig/iptables
yum list

5. Grep for lines that do not match (-v)
#yum
$ grep -v ^# /etc/nsswitch.conf
updating the kernel
yum provides "*/sbin/sshd"

6. List installed and available packages
rhn_register
system-config-firewall tui
yum list
chkconfig httpd on

7. Install the star compression tool create an archive with the star tool.
# star -xattr -H=exustar -c -f=home.star /home/
palimpsest
/var/log/cron
rpm -qc httpd

8. Disks available for partitions
/etc/sysconfig/iptables
IPtables forward chain
rpm localinstall pkg.rpm --nogpgcheck
/dev

9. Connect with VNC viewer securely
$ tar czvf home.tar.gz /home
/var/lib/rpm
insert as opposed to append
vncviewer -via student@server6 localhost:2

10. File containing information to create rpm package - RPM packages contain these files: libraries or application - any documentation - any configuration files
.spec
#yum
#yum groupinstall "group name"
yum info firefox4

11. Install star
ntpdate -b instructor
#yum
#virsh list
# yum

12. An example of searching through system logs with interpretation.
# cat /var/log/messages | grep [Ff]ailed | less
# virsh create /etc/libvert/qemu/vm_file_name.xml
2>&1
# ls -l /usr/share/doc | grep httpd

13. Extract a star compressed file
yum remove firefox4
# star -x -f=home.star
#rpm -uvh [package name]
#ip addr show

14. Searches for page within the #man yum
# grep -i
man search :/repository
MailTo=student@server6.example.com
/var/log/messages

15. Query information files with RPM
#rpm -qi [package name]
#iptables -L
vsftpd
rsync -a /home/test1.html root@server6.example.com:/var/pub

16. Remote file copy /home/test1.html to the /var/pub directory on server6 while preserving metadata
/usr/share/doc/initscripts-*/sysconfig.txt
# vi /etc/inittab change - id:3:initdefault:
yum provides
rsync -a /home/test1.html root@server6.example.com:/var/pub

17. Repos for yum
/etc/yum.repos.d
nautilus
IPtables input chain
.spec

18. Create a gzip-compressed backup of /etc in /tmp
# ls -l /usr/share/doc | grep httpd
*.debug /var/log/debug.log service rsyslog restart
cp /home/test1.html /var/www/html/test1.html
tar czvf /tmp/etc.tar.gz /etc

19. Kill a VM
/etc/vsftpd/vsftpd.conf rpm -ql vsftpd
#virsh destroy domain-id
IPtables output chain
add/remove software GUI

20. Grep with ignoring case
#rpm -qi [package name]
# star -x -f=home.star
yum list
# grep -i

21. Determine which package provides SSH
2>&1
MailTo=student@server6.example.com
yum provides "*/sbin/sshd"
Fully Qualified Domain Name

22. Persist FTP on boot
/etc/ssh/sshd_config
MailTo=student@server6.example.com
IPtables output chain
chkconfig vsftpd on

23. Location of repo's
#yum groupinstall "group name"
#virsh list
#yum groupremove "group name"
/etc/yum.repos.d/

24. original DNS config file - still used
rhn_register
yum search firefox
/etc/sysconfig/resolv.conf
yum list

25. Show IP address with the IP command
#ip addr show
/etc/sysconfig/vncservers rpm -ql tigervnc-server
/var/www/html/
# cat /var/log/messages | grep [Ff]ailed | less

26. Search for command in the doc directory
#iptables -D INPUT -p tcp --dport 21 -j accpet
# ls -l /usr/share/doc | grep httpd
add/remove software GUI
# yum

27. RPM package naming
name-version-release.architecture.rpm
#iptables -F
vncpasswd
# grep -i

28. Package file named pkg.rpm
/var/log/messages
tar xvzf /tmp/etc.tar.gz /etc
rpm -qp pkg.rpm
#yum

29. FTP package used in RHEL 6
vsftpd
Fully Qualified Domain Name
rpm localinstall pkg.rpm --nogpgcheck
# virsh create /etc/libvert/qemu/vm_file_name.xml

30. Persist the web server on boot
chkconfig httpd on
rhn_register
tar xvzf /tmp/etc.tar.gz /etc
rpm -qp pkg.rpm

31. See the configuration files installed with a package named httpd
IPtables input chain
ln -s /pub /var/www/html/pub
/dev
rpm -qc httpd

32. Remove a package named firefox4
yum remove firefox4
/var/lib/rpm
$ tar czvf home.tar.gz /home
/etc/vsftpd/vsftpd.conf rpm -ql vsftpd

33. Program to analyze standard log files and send a summary email to root
updating the kernel
/etc/sysconfig/resolv.conf
logwatch
yum search firefox

34. Start the GUI for date configuration
system-config-date
cat >> some_file << _EOF
$ tar xzvf home.tar.gz /home
IPtables forward chain

35. Restart ssh services
service sshd restart
tar czvf /tmp/etc.tar.gz /etc
/etc/yum.repos.d/
$ tar czvf home.tar.gz /home

36. Restart vnc and persist on boot
/etc/rsyslog.conf
service vncserver restart chkconfig vncserver on
#yum
# virsh create /etc/libvert/qemu/vm_file_name.xml

37. Install a package named firefox4
rpm -q pkg.rpm --scripts
yum install firefox4
/etc/services
/var/log/maillog

38. Generate SSH Keys
rpm -qp pkg.rpm
#yum grouplist
# ls -l /usr/share/doc | grep httpd
ssh-keygen

39. All messages sent at info priority or higher
tar cxtv
#iptables -I INPUT -p tcp --dport 21 -j Accept
yum provides
/var/log/messages

40. Send all debug level messages to /var/log/debug.log
*.debug /var/log/debug.log service rsyslog restart
/etc/sysconfig/network
lftp student@server6 httpd configuration /etc/httpd/conf/httpd.conf rpm -ql httpd
service vncserver restart chkconfig vncserver on

41. Shell config tool gropued like GUI firewall configurater.
yum install firefox4
#rpm -qad [package name]
system-config-firewall tui
rpm -qc httpd

42. Authentication related messages log
/etc/rsyslog.conf
/var/log/secure
#rpm -qi [package name]
/etc/yum.repos.d/

43. Install with RPM
rhn_register
/usr/share/doc/initscripts-*/sysconfig.txt
/var/log/maillog
#rpm -ivh [package name]

44. Start vsftp service
vsftpd restart
yum remove firefox4
IPtables forward chain
#yum install [package name]

45. Display packages that match the pathname
#virsh destroy domain-id
rpm -q pkg.rpm --scripts
rsync -PHR /home/test1.html root@server6.example.com:/var/pub
yum provides

46. Get information about a package named firefox4
# grep -i
# cat /var/log/messages | grep [Ff]ailed | less
#yum remove [package name]
yum info firefox4

47. Remove a package with yum
#rpm -qac [package name]
rsync /home/test1.html root@server6.example.com:/var/pub
.spec
#yum remove [package name]

48. Update a package
# cat /var/log/messages | grep [Ff]ailed | less
yum update
#iptables -L
/var/lib/rpm

49. Extract a gzipped tar ball in your home directory
rpm -q pkg.rpm --scripts
system-config-firewall (Push the enable button and check the appropriate boxes. Check.)
$ tar xzvf home.tar.gz /home
ip masqu

50. List scripts that can be run after installation of pkg.rpm
IPtables input chain
system-config-date
.spec
rpm -q pkg.rpm --scripts