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. Repos for yum
chkconfig vsftpd on
/etc/yum.repos.d
yum update
updating the kernel

2. Flush the firewall of all rules
/etc/ssh/sshd_config
#iptables -F
/etc/yum.repos.d/
chkconfig httpd on

3. List installed and available packages
tar cxtv
service sshd restart
yum list
ntpdate -b instructor

4. Install a package named firefox4
/etc/yum.repos.d/
yum install firefox4
rsync /home/test1.html [email protected]:/var/pub
yum update

5. Send all debug level messages to /var/log/debug.log
*.debug /var/log/debug.log service rsyslog restart
/etc/sysconfig/resolv.conf
system-config-firewall tui
#yum info [package name]

6. Use lftp to connect
/etc/sysconfig/iptables
#yum groupinstall "group name"
lftp student@server6 httpd configuration /etc/httpd/conf/httpd.conf rpm -ql httpd
system-config-date

7. Install star
rsync -PHR /home/test1.html [email protected]:/var/pub
[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
/var/www/html/

8. RPM package naming
name-version-release.architecture.rpm
#virsh destroy domain-id
vncviewer -via student@server6 localhost:2
[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

9. Kill a VM
#virsh destroy domain-id
/etc/sysconfig/iptables
yum remove firefox4
system-config-firewall tui

10. Shows network / global network variables: NETWORKING=yes HOSTNAME=shuttlehosti GATEWAY=192.168.88.1
/etc/sysconfig/network
name-version-release.architecture.rpm
#rpm -qi [package name]
$ tar czvf home.tar.gz /home

11. Uninstall a package group with yum
#yum groupremove "group name"
rpm -q pkg.rpm --scripts
tar xvzf /tmp/etc.tar.gz /etc
#yum

12. Shell config tool gropued like GUI firewall configurater.
[email protected]
chkconfig vsftpd on
system-config-firewall tui
/etc/sysconfig/resolv.conf

13. Search for command in the doc directory
vsftpd restart
# ls -l /usr/share/doc | grep httpd
#yum info [package name]
#ip addr show

14. All messages sent at info priority or higher
/var/log/messages
cat >> some_file << _EOF
yum install tigervnc-server
/etc/sysconfig/iptables

15. Gets kernel version and release number
#rpm -ivh [package name]
/etc/sysconfig/iptables
2>&1
#uname -r

16. Get more information on a package availale through yum
cp /home/test1.html /var/www/html/test1.html
#yum info [package name]
ssh-keygen
add/remove software GUI

17. Query configuration files with RPM
logwatch
#virsh destroy domain-id
#rpm -qac [package name]
vsftpd

18. tar options for file name - gzip - and bzip2
#ip addr show
tar fzj
ln -s /pub /var/www/html/pub
rhn_register

19. Documentation about sysconfig network scripts
/usr/share/doc/initscripts-*/sysconfig.txt
system-config-firewall (Push the enable button and check the appropriate boxes. Check.)
service ntpd restart
/var/lib/rpm

20. System config firewall
/var/log/messages
GUI menu system/administratrion/firewall
ip masqu
/var/log/maillog

21. Remove a package with yum
[email protected]
#yum remove [package name]
# renice -10 proc-id
#iptables -D INPUT -p tcp --dport 21 -j accpet

22. List iptables
cat >> some_file << _EOF
#iptables -L
/etc/sysconfig/iptables
#yum groupinstall "group name"

23. Extract a gzipped tar ball in your home directory
# ls -l /usr/share/doc | grep httpd
/etc/yum.repos.d
$ tar xzvf home.tar.gz /home
#rpm -ivh [package name]

24. Grep with ignoring case
yum install tigervnc-server
yum info firefox4
vncpasswd
# grep -i

25. Install the VNC server package
/etc/yum.repos.d
yum install tigervnc-server
service ntpd restart
ssh-keygen

26. Primary configuration of ssh
yum search firefox
#rpm -qad [package name]
/etc/ssh/sshd_config
vncpasswd

27. Remote copy /home/test1.html to the /var/pub directory on server6 with progress - preserving hard links - and using relative path names
yum remove firefox4
#yum remove [package name]
rsync -PHR /home/test1.html [email protected]:/var/pub
rpm --import [public key location]

28. Get information about a package named firefox4
#iptables -L
rpm -qp pkg.rpm
yum install tigervnc-server
yum info firefox4

29. Stores filewall rules for the system.
/etc/sysconfig/iptables
#rpm -uvh [package name]
#yum grouplist
/etc/services

30. Location of repo's
[email protected]
/etc/sysconfig/vncservers rpm -ql tigervnc-server
/etc/yum.repos.d/
service ntpd restart

31. Acting as a router with forwarding
rsync -PHR /home/test1.html [email protected]:/var/pub
ip masqu
yum info firefox4
#virsh list

32. Adjust the persistent runlevel
#yum
# vi /etc/inittab change - id:3:initdefault:
#iptables -L
rpm -qc httpd

33. List VMs
/usr/share/doc/initscripts-*/sysconfig.txt
logwatch
/etc/sysconfig/iptables
#virsh list

34. Remote file copy /home/test1.html to the /var/pub directory on server6
/etc/services
#iptables -I INPUT -p tcp --dport 21 -j Accept
rsync /home/test1.html [email protected]:/var/pub
[email protected]

35. An example of searching through system logs with interpretation.
# cat /var/log/messages | grep [Ff]ailed | less
ip masqu
service sshd restart
#yum grouplist

36. Query all documentation with RPM
# vi /etc/inittab change - id:3:initdefault:
/etc/services
vncviewer -via student@server6 localhost:2
#rpm -qad [package name]

37. Install with RPM
#yum groupinstall "group name"
$ tar czvf home.tar.gz /home
#rpm -ivh [package name]
logwatch

38. Enable anonymous users - disable local accounts - and disable any uploads to the FTP server
/dev
rpm --import [public key location]
/etc/vsftpd/vsftpd.conf rpm -ql vsftpd
chkconfig httpd on

39. Process packets being forwarded through the system
IPtables forward chain
yum provides
rpm localinstall pkg.rpm --nogpgcheck
#uname -r

40. GUI File Manager
Fully Qualified Domain Name
nautilus
#yum remove [package name]
#yum groupremove "group name"

41. Install a package with yum
tar czvf /tmp/etc.tar.gz /etc
#yum install [package name]
#iptables -I INPUT -p tcp --dport 21 -j Accept
$ tar xzvf home.tar.gz /home

42. Copy a public ssh key to server6
ssh-copy-id [email protected]
rsync /home/test1.html [email protected]:/var/pub
add/remove software GUI
#iptables -I INPUT -p tcp --dport 21 -j Accept

43. Where are HTML pages hosted?
/etc/hosts
/var/log/secure
rpm localinstall pkg.rpm --nogpgcheck
/var/www/html/

44. File containing information to create rpm package - RPM packages contain these files: libraries or application - any documentation - any configuration files
cp /home/test1.html /var/www/html/test1.html
# virsh create /etc/libvert/qemu/vm_file_name.xml
$ tar xzvf home.tar.gz /home
.spec

45. Repo config file
cat >> some_file << _EOF
[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
ip masqu
# virsh create /etc/libvert/qemu/vm_file_name.xml

46. File holding services - ports - protocols assoicated
/etc/services
/etc/sysconfig/network
/var/log/messages
tar fzj

47. Delete a rule from iptables
rpm -q pkg.rpm --scripts
#yum groupinstall "group name"
#iptables -D INPUT -p tcp --dport 21 -j accpet
/etc/yum.repos.d/

48. See the configuration files installed with a package named httpd
rpm -qc httpd
[email protected]
/etc/sysconfig/resolv.conf
Fully Qualified Domain Name

49. Configuration file for system logs
/usr/share/doc/initscripts-*/sysconfig.txt
vsftpd
/etc/rsyslog.conf
chkconfig vsftpd on

50. tar options for create - extract - test - and verbose
man search :/repository
tar cxtv
/etc/sysconfig/network
/var/log/secure