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Q11. 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 

<VirtualHost 192.168.0.254:80> 

DocumentRoot /var/www/html/ 

ServerName station.domain40.example.com 

</VirtualHost> 


Q12. 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 

alex111 

OR 

echo alex111|passwd -stdin alex 


Q13. CORRECT TEXT 

Add users: user2, user3. 

The Additional group of the two users: user2, user3 is the admin group Password: redhat 

Answer: # useradd -G admin user2 

# useradd -G admin user3 

# passwd user2 

redhat 

# passwd user3 

redhat 


Q14. CORRECT TEXT 

Create a volume group, and set 16M as a extends. And divided a volume group containing 50 extends on volume group lv, make it as ext4 file system, and mounted automatically under /mnt/data. 

Answer: # pvcreate /dev/sda7 /dev/sda8 

# vgcreate -s 16M vg1 /dev/sda7 /dev/sda8 

# lvcreate -l 50 -n lvm02 

# mkfs.ext4 /dev/vg1/lvm02 

# blkid /dev/vg1/lv1 

# vim /etc/fstab 

# mkdir -p /mnt/data 

UUID=xxxxxxxx /mnt/data ext4 defaults 0 0 

# vim /etc/fstab 

# mount -a 

# mount 

(Verify) 


Q15. CORRECT TEXT 

Install a FTP server, and request to anonymous download from /var/ftp/pub catalog. (it needs you to configure yum direct to the already existing file server. ) 

Answer: # cd /etc/yum.repos.d 

# vim local.repo 

[local] 

name=local.repo 

baseurl=file:///mnt 

enabled=1 

gpgcheck=0 

# yum makecache 

# yum install -y vsftpd 

# service vsftpd restart 

# chkconfig vsftpd on 

# chkconfig --list vsftpd 

# vim /etc/vsftpd/vsftpd.conf 

anonymous_enable=YES 


Q16. CORRECT TEXT 

Copy /etc/fstab to /var/tmp name admin, the user1 could read, write and modify it, while user2 without any permission. 

Answer: # cp /etc/fstab /var/tmp/ 

# chgrp admin /var/tmp/fstab 

# setfacl -m u:user1:rwx /var/tmp/fstab 

# setfacl -m u:user2:--- /var/tmp/fstab 

# ls -l 

-rw-rw-r--+ 1 root admin 685 Nov 10 15:29 /var/tmp/fstab 


Q17. CORRECT TEXT 

Install a FTP server, and request to anonymous download from /var/ftp/pub catalog. (it needs you to configure yum direct to the already existing file server. ) 

Answer: # cd /etc/yum.repos.d 

# vim local.repo 

[local] 

name=local.repo 

baseurl=file:///mnt 

enabled=1 

gpgcheck=0 

# yum makecache 

# yum install -y vsftpd 

# service vsftpd restart 

# chkconfig vsftpd on 

# chkconfig --list vsftpd 

# vim /etc/vsftpd/vsftpd.conf 

anonymous_enable=YES 


Q18. CORRECT TEXT 

Create a volume group, and set 16M as a extends. And divided a volume group containing 50 extends on volume group lv, make it as ext4 file system, and mounted automatically under /mnt/data. 

Answer: # pvcreate /dev/sda7 /dev/sda8 

# vgcreate -s 16M vg1 /dev/sda7 /dev/sda8 

# lvcreate -l 50 -n lvm02 

# mkfs.ext4 /dev/vg1/lvm02 

# blkid /dev/vg1/lv1 

# vim /etc/fstab 

# mkdir -p /mnt/data 

UUID=xxxxxxxx /mnt/data ext4 defaults 0 0 

# vim /etc/fstab 

# mount -a 

# mount 

(Verify) 


Q19. 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) 


Q20. CORRECT TEXT 

Upgrading the kernel as 2.6.36.7.1, and configure the system to Start the default kernel, keep the old kernel available. 

Answer: # cat /etc/grub.conf 

# cd /boot 

# lftp it 

# get dr/dom/kernel-xxxx.rpm 

# rpm -ivh kernel-xxxx.rpm 

# vim /etc/grub.conf 

default=0