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Q1. CORRECT TEXT

Change the logical volume capacity named vo from 190M to 300M. and the size of the floating range should set between 280 and 320. (This logical volume has been mounted in advance.)

Answer: # vgdisplay

(Check the capacity of vg, if the capacity is not enough, need to create pv , vgextend , lvextend)

# lvdisplay (Check lv)

# lvextend -L +110M /dev/vg2/lv2

# resize2fs /dev/vg2/lv2

mount -a

(Verify)

------------------------------------------------------------------------------- (Decrease lvm)

# umount /media

# fsck -f /dev/vg2/lv2

# resize2fs -f /dev/vg2/lv2 100M

# lvreduce -L 100M /dev/vg2/lv2

# mount -a

# lvdisplay (Verify)

# e2fsck -f /dev/vg1/lvm02

# resize2fs -f /dev/vg1/lvm02

# mount /dev/vg1/lvm01 /mnt

# lvreduce -L 1G -n /dev/vg1/lvm02

# lvdisplay (Verify)

Q2. CORRECT TEXT

Find the files owned by harry, and copy it to catalog: /opt/dir

Answer: # cd /opt/

# mkdir dir

# find / -user harry -exec cp -rfp {} /opt/dir/ \;

Q3. CORRECT TEXT

Configure the system synchronous as 172.24.40.10.

Answer: Graphical Interfaces:

System-->Administration-->Date & Time

# system-config-date

Q4. CORRECT TEXT

Configure a task: plan to run echo hello command at 14:23 every day.

Answer: # which echo

# crontab -e

23 14 * * * /bin/echo hello

# crontab -l (Verify)

Q5. CORRECT TEXT

Configure a task: plan to run echo hello command at 14:23 every day.

Answer: # which echo

# crontab -e

23 14 * * * /bin/echo hello

# crontab -l (Verify)

Q6. CORRECT TEXT

Create a user named alex, and the user id should be 1234, and the password should be alex111.

Answer: # useradd -u 1234 alex

# passwd alex

alex111

echo alex111|passwd -stdin alex

Q7. CORRECT TEXT

Configure the verification mode of your host account and the password as LDAP. And it can ldapuser40. The password is set as "password". And the certificate login successfully through

can be downloaded from http://ip/dir/ldap.crt. After the user logs on , the user has no host directory unless you configure the autofs in the following questions.

Answer: system-config-authentication

LDAP Server: ldap//instructor.example.com (In domain form, not write IP)

# yum groupinstall directory-client (1.krb5-workstation 2.pam-krb5 3.sssd)

# system-config-authentication

:1.User Account Database: LDAP

:2.LDAP Search Base DN: dc=example,dc=com

:3.LDAP Server: ldap://instructor.example.com (In domain form, not write IP)

:4.Download CA Certificate

:5.Authentication Method: LDAP password

:6.Apply

getent passwd ldapuser40

Q8. CORRECT TEXT

Configure a HTTP server, which can be accessed through http://station.domain40.example.com.

Please download the released page from http://ip/dir/example.html.

Answer: # yum install -y httpd

# chkconfig httpd on

# cd /var/www/html

# wget http://ip/dir/example.html

# cp example.com index.html

# vim /etc/httpd/conf/httpd.conf

NameVirtualHost 192.168.0.254:80

DocumentRoot /var/www/html/

ServerName station.domain40.example.com

</VirtualHost>

Q9. CORRECT TEXT