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Q11. 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 

Q12. 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) 

OR 

# e2fsck -f /dev/vg1/lvm02 

# resize2fs -f /dev/vg1/lvm02 

# mount /dev/vg1/lvm01 /mnt 

# lvreduce -L 1G -n /dev/vg1/lvm02 

# lvdisplay (Verify) 

Q13. 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 

Q14. 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 

Q15. 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 

Q16. 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 

Q17. CORRECT TEXT 

Configure the system synchronous as 172.24.40.10. 

Answer: Graphical Interfaces: 

System–>Administration–>Date & Time 

OR 

# system-config-date 

Q18. 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 

Q19. 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/ \\; 

Q20. CORRECT TEXT 

Create a volume group,and set 8M as a extends. Divided a volume group containing 50 extends on volume group lv (lvshare), make it as ext4 file system, and mounted automatically under /mnt/data. And the size of the floating range should set between 380M and 400M. 

Answer: # fdisk 

# partprobe 

# pvcreate /dev/vda6 

# vgcreate -s 8M vg1 /dev/vda6 -s 

# lvcreate -n lvshare -l 50 vg1 -l 

# mkfs.ext4 /dev/vg1/lvshare 

# mkdir -p /mnt/data 

# vim /etc/fstab 

/dev/vg1/lvshare /mnt/data ext4 defaults 0 0 

# mount -a 

# df -h 

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