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. Update a package
IPtables output chain
yum update
/etc/sysconfig/iptables
lftp student@server6 httpd configuration /etc/httpd/conf/httpd.conf rpm -ql httpd

2. handles dependencies while RPMs do not uses preconfigured repos
/etc/sysconfig/vncservers rpm -ql tigervnc-server
#yum
/var/log/cron
2>&1

3. fqdn
2>&1
Fully Qualified Domain Name
system-config-date
[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

4. Email related messages log
GUI menu system/administratrion/firewall
/var/log/secure
/var/log/maillog
yum update

5. Show IP address with the IP command
/etc/hosts
#yum info [package name]
#ip addr show
#virsh destroy domain-id

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

7. Process packets coming out of the system
/etc/sysconfig/iptables
IPtables output chain
.spec
man search :/repository

8. Adjust the persistent runlevel
# vi /etc/inittab change - id:3:initdefault:
logwatch
IPtables forward chain
/etc/sysconfig/iptables

9. Acting as a router with forwarding
lftp student@server6 httpd configuration /etc/httpd/conf/httpd.conf rpm -ql httpd
ip masqu
rpm --import [public key location]
#uname -r

10. List scripts that can be run after installation of pkg.rpm
rpm -q pkg.rpm --scripts
yum remove firefox4
service ntpd restart
#yum info [package name]

11. Query all documentation with RPM
ip masqu
vncpasswd
$ tar xzvf home.tar.gz /home
#rpm -qad [package name]

12. Uninstall a package group with yum
#rpm -ivh [package name]
IPtables forward chain
yum provides "*/sbin/sshd"
#yum groupremove "group name"

13. Edit files with cat until the _EOF is found
cat >> some_file << _EOF
#rpm -qad [package name]
#rpm -qa | grep [package name]
palimpsest

14. Shows network / global network variables: NETWORKING=yes HOSTNAME=shuttlehosti GATEWAY=192.168.88.1
Fully Qualified Domain Name
/etc/sysconfig/network
# star -x -f=home.star
ntpdate -b instructor

15. GUI install / uninstall with yum
#uname -r
add/remove software GUI
yum info firefox4
#rpm -qad [package name]

16. RPM package naming
yum install firefox4
tar czvf /tmp/etc.tar.gz /etc
yum list
name-version-release.architecture.rpm

17. Package file named pkg.rpm
rpm -ql vsftpd
rpm -qp pkg.rpm
/var/log/maillog
#yum groupremove "group name"

18. Install the star compression tool create an archive with the star tool.
ntpdate -b instructor
yum remove firefox4
ssh-keygen
# star -xattr -H=exustar -c -f=home.star /home/

19. Process packets coming into the system
/etc/services
IPtables input chain
#yum
IPtables forward chain

20. Install with RPM
#rpm -ivh [package name]
#rpm -qi [package name]
chkconfig vsftpd on
/var/lib/rpm

21. All messages sent at info priority or higher
/var/log/messages
yum update
/var/lib/rpm
/etc/hosts

22. Configuration file for system logs
yum update
/etc/rsyslog.conf
/var/log/maillog
2>&1

23. Stores IPtables rules (filter) chains - input forward output are persistant
/etc/sysconfig/iptables
#iptables -L
/etc/sysconfig/vncservers rpm -ql tigervnc-server
yum search firefox

24. List VMs
#virsh list
insert as opposed to append
vsftpd
/usr/share/doc/initscripts-*/sysconfig.txt

25. Rpm upgrade package u upgrade v verbose h hash
system-config-date
service vncserver restart chkconfig vncserver on
#rpm -uvh [package name]
/var/www/html/

26. Basic add rule for iptables not persistant unless saved with #/etc/init.d/iptables save
#iptables -I INPUT -p tcp --dport 21 -j Accept
#virsh list
chkconfig vsftpd on
/var/log/cron

27. Remote file copy /home/test1.html to the /var/pub directory on server6
#yum groupremove "group name"
rsync /home/test1.html root@server6.example.com:/var/pub
add/remove software GUI
rhn_register

28. Install the VNC server package
yum install tigervnc-server
system-config-firewall (Push the enable button and check the appropriate boxes. Check.)
insert as opposed to append
vsftpd restart

29. Connect with VNC viewer securely
vncviewer -via student@server6 localhost:2
insert as opposed to append
#yum install [package name]
rsync -PHR /home/test1.html root@server6.example.com:/var/pub

30. Delete a rule from iptables
#iptables -D INPUT -p tcp --dport 21 -j accpet
yum provides
#yum groupinstall "group name"
/etc/yum.repos.d/

31. Messages related to cron log
yum provides
IPtables input chain
.spec
/var/log/cron

32. Extract a gzipped tar ball in your home directory
tar fzj
yum list
$ tar xzvf home.tar.gz /home
ntpdate -b instructor

33. Remote file copy /home/test1.html to the /var/pub directory on server6 while preserving metadata
rsync -a /home/test1.html root@server6.example.com:/var/pub
#rpm -qi [package name]
IPtables output chain
#yum

34. Shell config tool gropued like GUI firewall configurater.
system-config-firewall tui
cp /home/test1.html /var/www/html/test1.html
/var/log/secure
palimpsest

35. Should be done with yum and install as opposed to update if done with RPM option "i" should be used and not "u"
vncviewer -via student@server6 localhost:2
tar czvf /tmp/etc.tar.gz /etc
yum install tigervnc-server
updating the kernel

36. Disk Utility Command
ln -s /pub /var/www/html/pub
/usr/share/doc/initscripts-*/sysconfig.txt
palimpsest
ssh-keygen

37. Authentication related messages log
rsync -a /home/test1.html root@server6.example.com:/var/pub
#yum info [package name]
/var/log/secure
# vi /etc/inittab change - id:3:initdefault:

38. Local file copy of /home/test1.html to /var/www/html/test1.html
cp /home/test1.html /var/www/html/test1.html
# vi /etc/inittab change - id:3:initdefault:
/var/log/maillog
/var/log/secure

39. Append add to the end of the IPtables rules. insert will put rule above the deny all rule.
insert as opposed to append
/etc/ssh/sshd_config
/etc/sysconfig/vncservers rpm -ql tigervnc-server
# renice -10 proc-id

40. List iptables
system-config-firewall tui
man search :/repository
#iptables -L
/dev

41. Process packets being forwarded through the system
MailTo=student@server6.example.com
ntpdate -b instructor
IPtables forward chain
cp /home/test1.html /var/www/html/test1.html

42. Set process priority with renice - -20 highest - 20 lowest - 0 is default
system-config-date
#iptables -I INPUT -p tcp --dport 21 -j Accept
/var/www/html/
# renice -10 proc-id

43. Install a package group with yum
yum remove firefox4
MailTo=student@server6.example.com
#yum groupinstall "group name"
rsync /home root@server6.example.com:/tmp

44. Search for a package within all packages
IPtables forward chain
MailTo=student@server6.example.com
/etc/sysconfig/vncservers rpm -ql tigervnc-server
#rpm -qa | grep [package name]

45. Search for command in the doc directory
insert as opposed to append
# ls -l /usr/share/doc | grep httpd
IPtables input chain
ssh-copy-id root@server6.example.com

46. Get a list of package groups from yum
logwatch
yum remove firefox4
add/remove software GUI
#yum grouplist

47. Repo config file
#rpm -uvh [package name]
# virsh create /etc/libvert/qemu/vm_file_name.xml
system-config-date
[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

48. List installed and available packages
logwatch
yum list
IPtables input chain
MailTo=student@server6.example.com

49. Display packages that match the pathname
yum provides
service sshd restart
yum info firefox4
rsync -PHR /home/test1.html root@server6.example.com:/var/pub

50. Primary configuration of ssh
yum list
/etc/ssh/sshd_config
rhn_register
# virsh create /etc/libvert/qemu/vm_file_name.xml