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RHCSA Commands

Subjects : certifications, it-skills, rhcsa

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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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. RPM package naming
#rpm -qa | grep [package name]
#yum
name-version-release.architecture.rpm
$ tar czvf home.tar.gz /home

2. Where are HTML pages hosted?
/var/www/html/
# cat /var/log/messages | grep [Ff]ailed | less
IPtables output chain
yum list

3. Install the star compression tool create an archive with the star tool.
# star -xattr -H=exustar -c -f=home.star /home/
/etc/rsyslog.conf
vsftpd restart
rpm -ql vsftpd

4. Remote file copy /home/test1.html to the /var/pub directory on server6
#virsh list
rsync /home root@server6.example.com:/tmp
rpm -q pkg.rpm --scripts
rsync /home/test1.html root@server6.example.com:/var/pub

5. Install star
#rpm -qac [package name]
system-config-date
# yum
#rpm -qa | grep [package name]

6. Extract a gzipped tar ball in your home directory
ntpdate -b instructor
$ tar xzvf home.tar.gz /home
# ls -l /usr/share/doc | grep httpd
# renice -10 proc-id

7. Restart the ntpd service
chkconfig vsftpd on
#uname -r
service ntpd restart
# star -x -f=home.star

8. Display packages that match the pathname
#rpm -qad [package name]
# grep -i
/etc/rsyslog.conf
yum provides

9. Uninstall a package group with yum
system-config-firewall tui
tar fzj
#yum groupremove "group name"
# yum

10. Create a tar ball with gzip compression of the home dir
system-config-firewall (Push the enable button and check the appropriate boxes. Check.)
rpm -qc httpd
#iptables -F
$ tar czvf home.tar.gz /home

11. Location of repo's
IPtables forward chain
/etc/yum.repos.d/
yum list
#yum groupremove "group name"

12. Acting as a router with forwarding
tar czvf /tmp/etc.tar.gz /etc
ip masqu
/var/www/html/
rsync /home/test1.html root@server6.example.com:/var/pub

13. Remove a package with yum
yum remove firefox4
$ tar xzvf home.tar.gz /home
rsync /home/test1.html root@server6.example.com:/var/pub
#yum remove [package name]

14. List VMs
#virsh list
palimpsest
cat >> some_file << _EOF
# yum

15. Edit files with cat until the _EOF is found
IPtables output chain
$ tar xzvf home.tar.gz /home
lftp student@server6 httpd configuration /etc/httpd/conf/httpd.conf rpm -ql httpd
cat >> some_file << _EOF

16. Install the VNC server package
/var/log/messages
palimpsest
yum install tigervnc-server
system-config-firewall (Push the enable button and check the appropriate boxes. Check.)

17. Get a list of package groups from yum
rpm --import [public key location]
#yum grouplist
#yum
rpm localinstall pkg.rpm --nogpgcheck

18. Search for a package within all packages
/etc/sysconfig/iptables
#rpm -qa | grep [package name]
ip masqu
system-config-date

19. Shows network / global network variables: NETWORKING=yes HOSTNAME=shuttlehosti GATEWAY=192.168.88.1
/etc/sysconfig/iptables
/etc/sysconfig/network
vsftpd restart
system-config-firewall tui

20. Start vsftp service
service ntpd restart
rpm -qp pkg.rpm
#rpm -ivh [package name]
vsftpd restart

21. System config firewall
#uname -r
# yum
/var/log/maillog
GUI menu system/administratrion/firewall

22. Update a package
yum provides "*/sbin/sshd"
yum update
chkconfig httpd on
rsync /home/test1.html root@server6.example.com:/var/pub

23. Restart vnc and persist on boot
#rpm -uvh [package name]
service vncserver restart chkconfig vncserver on
/usr/share/doc/initscripts-*/sysconfig.txt
#rpm -qi [package name]

24. Restart ssh services
ssh-keygen
service sshd restart
GUI menu system/administratrion/firewall
#yum install [package name]

25. Process packets coming into the system
yum provides "*/sbin/sshd"
#iptables -L
IPtables input chain
#rpm -qac [package name]

26. All messages sent at info priority or higher
name-version-release.architecture.rpm
/var/log/messages
yum info firefox4
#uname -r

27. Configuration for VNC
/etc/sysconfig/vncservers rpm -ql tigervnc-server
yum install tigervnc-server
#uname -r
system-config-firewall tui

28. Remove a package named firefox4
yum remove firefox4
ssh-keygen
#yum remove [package name]
rsync /home root@server6.example.com:/tmp

29. Send all debug level messages to /var/log/debug.log
add/remove software GUI
rhn_register
# ls -l /usr/share/doc | grep httpd
*.debug /var/log/debug.log service rsyslog restart

30. See the configuration files installed with a package named httpd
#yum install [package name]
#iptables -L
rpm -qc httpd
cat >> some_file << _EOF

31. Disk Utility Command
palimpsest
yum remove firefox4
add/remove software GUI
IPtables output chain

32. Gets kernel version and release number
ssh-copy-id root@server6.example.com
yum update
#virsh list
#uname -r

33. GUI install / uninstall with yum
add/remove software GUI
# star -x -f=home.star
$ tar czvf home.tar.gz /home
#iptables -I INPUT -p tcp --dport 21 -j Accept

34. Enable anonymous users - disable local accounts - and disable any uploads to the FTP server
/etc/vsftpd/vsftpd.conf rpm -ql vsftpd
rsync /home root@server6.example.com:/tmp
/dev
/etc/hosts

35. Install a pkg.rpm locally
tar czvf /tmp/etc.tar.gz /etc
service sshd restart
#rpm -uvh [package name]
rpm localinstall pkg.rpm --nogpgcheck

36. Start the GUI for date configuration
ip masqu
system-config-date
# star -x -f=home.star
# yum

37. Append this to the /etc/rsyslog.conf to send mail to student@server6.example.com
#yum
#yum remove [package name]
MailTo=student@server6.example.com
chkconfig vsftpd on

38. Primary configuration of ssh
GUI menu system/administratrion/firewall
Fully Qualified Domain Name
/etc/ssh/sshd_config
# yum

39. Connect with VNC viewer securely
name-version-release.architecture.rpm
/etc/sysconfig/iptables
vncviewer -via student@server6 localhost:2
ip masqu

40. tar options for file name - gzip - and bzip2
#yum install [package name]
tar fzj
$ tar xzvf home.tar.gz /home
/etc/vsftpd/vsftpd.conf rpm -ql vsftpd

41. Basic add rule for iptables not persistant unless saved with #/etc/init.d/iptables save
/etc/sysconfig/vncservers rpm -ql tigervnc-server
yum info firefox4
tar czvf /tmp/etc.tar.gz /etc
#iptables -I INPUT -p tcp --dport 21 -j Accept

42. Start GUI for Firewall
cp /home/test1.html /var/www/html/test1.html
# star -x -f=home.star
/dev
system-config-firewall (Push the enable button and check the appropriate boxes. Check.)

43. Persist the web server on boot
rsync /home/test1.html root@server6.example.com:/var/pub
cat >> some_file << _EOF
chkconfig httpd on
Fully Qualified Domain Name

44. Shell config tool gropued like GUI firewall configurater.
system-config-firewall tui
yum list
name-version-release.architecture.rpm
/etc/sysconfig/resolv.conf

45. Install a package named firefox4
yum install firefox4
# yum
ln -s /pub /var/www/html/pub
IPtables forward chain

46. Repos for yum
/etc/yum.repos.d
/etc/sysconfig/network
/dev
ntpdate -b instructor

47. Documentation about sysconfig network scripts
$ grep -v ^# /etc/nsswitch.conf
# vi /etc/inittab change - id:3:initdefault:
man search :/repository
/usr/share/doc/initscripts-*/sysconfig.txt

48. Repo config file
chkconfig httpd on
[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
#iptables -D INPUT -p tcp --dport 21 -j accpet
#rpm -qad [package name]

49. List iptables
#yum info [package name]
rsync -a /home/test1.html root@server6.example.com:/var/pub
#iptables -L
# virsh create /etc/libvert/qemu/vm_file_name.xml

50. Query information files with RPM
add/remove software GUI
#rpm -qi [package name]
rsync /home/test1.html root@server6.example.com:/var/pub
ssh-keygen

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Can you answer 50 questions in 15 minutes?

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RHCSA Commands

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