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. Configuration file for system logs
#yum install [package name]
lftp student@server6 httpd configuration /etc/httpd/conf/httpd.conf rpm -ql httpd
#iptables -I INPUT -p tcp --dport 21 -j Accept
/etc/rsyslog.conf

2. Search for command in the doc directory
#rpm -qad [package name]
ssh-copy-id root@server6.example.com
rpm -qp pkg.rpm
# ls -l /usr/share/doc | grep httpd

3. Stores IPtables rules (filter) chains - input forward output are persistant
tar cxtv
/etc/sysconfig/iptables
*.debug /var/log/debug.log service rsyslog restart
rsync -PHR /home/test1.html root@server6.example.com:/var/pub

4. Program to analyze standard log files and send a summary email to root
logwatch
tar fzj
#uname -r
chkconfig vsftpd on

5. List iptables
MailTo=student@server6.example.com
#uname -r
#iptables -L
tar cxtv

6. Update a package
yum update
/etc/vsftpd/vsftpd.conf rpm -ql vsftpd
yum provides "*/sbin/sshd"
tar cxtv

7. Set a VNC password
tar fzj
/var/lib/rpm
vncpasswd
#yum info [package name]

8. Disks available for partitions
rsync -a /home/test1.html root@server6.example.com:/var/pub
rpm -qp pkg.rpm
# yum
/dev

9. tar options for file name - gzip - and bzip2
tar fzj
add/remove software GUI
rsync /home/test1.html root@server6.example.com:/var/pub
2>&1

10. Install a package group with yum
#yum info [package name]
#yum groupinstall "group name"
/var/log/maillog
yum provides

11. Disk Utility Command
/var/log/messages
palimpsest
#ip addr show
/var/log/cron

12. Messages related to cron log
/var/log/secure
/var/log/cron
#yum groupinstall "group name"
/var/www/html/

13. Append this to the /etc/rsyslog.conf to send mail to student@server6.example.com
logwatch
MailTo=student@server6.example.com
#rpm -qac [package name]
/etc/sysconfig/iptables

14. Remove a package named firefox4
/etc/sysconfig/iptables
#virsh destroy domain-id
# star -xattr -H=exustar -c -f=home.star /home/
yum remove firefox4

15. Get a list of package groups from yum
$ tar xzvf home.tar.gz /home
yum provides
#yum grouplist
rpm -qp pkg.rpm

16. original DNS config file - still used
IPtables output chain
/etc/sysconfig/resolv.conf
#yum grouplist
rpm -qp pkg.rpm

17. Location of repo's
rsync -PHR /home/test1.html root@server6.example.com:/var/pub
/etc/yum.repos.d
/var/log/messages
/etc/yum.repos.d/

18. Edit files with cat until the _EOF is found
ssh-keygen
cat >> some_file << _EOF
yum info firefox4
logwatch

19. Package file named pkg.rpm
system-config-firewall tui
service ntpd restart
#yum remove [package name]
rpm -qp pkg.rpm

20. Backup a home directory on desktop6 to /tmp on server6
/var/www/html/
rsync /home root@server6.example.com:/tmp
#rpm -qac [package name]
/etc/sysconfig/vncservers rpm -ql tigervnc-server

21. Restart vnc and persist on boot
/etc/ssh/sshd_config
rpm -q pkg.rpm --scripts
service vncserver restart chkconfig vncserver on
#yum grouplist

22. See files installed with a package named vsftpd
service ntpd restart
/usr/share/doc/initscripts-*/sysconfig.txt
rpm -ql vsftpd
/var/log/maillog

23. Persist FTP on boot
ip masqu
#yum groupinstall "group name"
# renice -10 proc-id
chkconfig vsftpd on

24. Install a package named firefox4
$ grep -v ^# /etc/nsswitch.conf
yum install firefox4
rpm -ql vsftpd
#iptables -L

25. List VMs
#virsh list
yum provides "*/sbin/sshd"
rhn_register
rpm -qp pkg.rpm

26. Determine which package provides SSH
#uname -r
yum provides "*/sbin/sshd"
/etc/rsyslog.conf
$ tar xzvf home.tar.gz /home

27. Install star
/var/www/html/
palimpsest
# yum
yum list

28. Extract a gzipped tar ball in your home directory
$ tar xzvf home.tar.gz /home
*.debug /var/log/debug.log service rsyslog restart
MailTo=student@server6.example.com
rsync -PHR /home/test1.html root@server6.example.com:/var/pub

29. Copy a public ssh key to server6
ssh-copy-id root@server6.example.com
/etc/sysconfig/vncservers rpm -ql tigervnc-server
.spec
IPtables output chain

30. Local host file (contains hostname). Can contain local system DNS.
ssh-copy-id root@server6.example.com
# virsh create /etc/libvert/qemu/vm_file_name.xml
/etc/sysconfig/vncservers rpm -ql tigervnc-server
/etc/hosts

31. GUI install / uninstall with yum
add/remove software GUI
ln -s /pub /var/www/html/pub
# star -xattr -H=exustar -c -f=home.star /home/
/etc/sysconfig/resolv.conf

32. Show IP address with the IP command
tar fzj
vncviewer -via student@server6 localhost:2
#yum grouplist
#ip addr show

33. Contains RPM database
/var/lib/rpm
rpm localinstall pkg.rpm --nogpgcheck
$ tar czvf home.tar.gz /home
updating the kernel

34. Get information about a package named firefox4
/var/log/cron
/etc/yum.repos.d/
#yum groupinstall "group name"
yum info firefox4

35. Gets kernel version and release number
service sshd restart
/var/lib/rpm
#uname -r
MailTo=student@server6.example.com

36. Start a VM
nautilus
rpm -qp pkg.rpm
yum remove firefox4
# virsh create /etc/libvert/qemu/vm_file_name.xml

37. Start the GUI for date configuration
/etc/sysconfig/network
system-config-date
ip masqu
$ tar xzvf home.tar.gz /home

38. See the configuration files installed with a package named httpd
ln -s /pub /var/www/html/pub
$ tar xzvf home.tar.gz /home
rpm -qc httpd
#yum groupremove "group name"

39. Repo config file
[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
vsftpd
# virsh create /etc/libvert/qemu/vm_file_name.xml
#iptables -I INPUT -p tcp --dport 21 -j Accept

40. Shell config tool gropued like GUI firewall configurater.
# virsh create /etc/libvert/qemu/vm_file_name.xml
Fully Qualified Domain Name
system-config-firewall tui
[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

41. Process packets coming out of the system
/var/www/html/
/etc/rsyslog.conf
tar xvzf /tmp/etc.tar.gz /etc
IPtables output chain

42. Basic add rule for iptables not persistant unless saved with #/etc/init.d/iptables save
#ip addr show
/var/log/secure
#iptables -I INPUT -p tcp --dport 21 -j Accept
/dev

43. Create a gzip-compressed backup of /etc in /tmp
# star -xattr -H=exustar -c -f=home.star /home/
#rpm -qa | grep [package name]
tar czvf /tmp/etc.tar.gz /etc
GUI menu system/administratrion/firewall

44. Install the star compression tool create an archive with the star tool.
# star -xattr -H=exustar -c -f=home.star /home/
#rpm -qi [package name]
/etc/services
/etc/sysconfig/resolv.conf

45. Query configuration files with RPM
# virsh create /etc/libvert/qemu/vm_file_name.xml
system-config-firewall (Push the enable button and check the appropriate boxes. Check.)
#rpm -qac [package name]
logwatch

46. Kill a VM
/etc/yum.repos.d
tar czvf /tmp/etc.tar.gz /etc
# star -x -f=home.star
#virsh destroy domain-id

47. Delete a rule from iptables
rpm localinstall pkg.rpm --nogpgcheck
/var/log/messages
add/remove software GUI
#iptables -D INPUT -p tcp --dport 21 -j accpet

48. Extract a star compressed file
rpm -ql vsftpd
$ grep -v ^# /etc/nsswitch.conf
#rpm -uvh [package name]
# star -x -f=home.star

49. Documentation about sysconfig network scripts
/var/log/messages
# virsh create /etc/libvert/qemu/vm_file_name.xml
/usr/share/doc/initscripts-*/sysconfig.txt
/var/log/maillog

50. Query all documentation with RPM
/etc/vsftpd/vsftpd.conf rpm -ql vsftpd
#iptables -L
#rpm -qac [package name]
#rpm -qad [package name]