[2021-New] Red Hat EX200 Dumps With Update Exam Questions (21-27)

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Q1. 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

Q2. CORRECT TEXT

Configure the system synchronous as 172.24.40.10.

Answer: Graphical Interfaces:

System-->Administration-->Date & Time

# system-config-date

Q3. 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)

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 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>

Q6. 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

Q7. 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