EX200 - 001 - RHEL6

Question 1 of 15

1

Click on the orange point and write the correct answer.

Configure your Host Name, IP Address, Gateway and DNS.
Host name: station.domain40.example.com
/etc/sysconfig/network
hostname=abc.com
hostname abc.com
IP Address: 172.24.40.40/24
Gateway: 172.24.40.1
DNS: 172.24.40.1

Explanation

Question 2 of 15

1

Add 3 users: harry, natasha, tom.
The requirements: The Additional group of the two users: harry, Natasha is the admin group.
The user: tom's login shell should be non-interactive.

Select one of the following:

Answer: # useradd -G admin harry
# useradd -G admin natasha
# useradd -s /sbin/nologin tom
# id harry;id Natasha (Show additional group)
# cat /etc/passwd
NA

Explanation

Question 3 of 15

1

Create a catalog under /home named admins. Its respective group is requested to be the admin group. The group users could read and write, while other users are not allowed to access it.
The files created by users from the same group should also be the admin group.

Select one of the following:

# cd /home/
# mkdir admins /
# chown .admin admins/
# chmod 770 admins/
# chmod g+s admins/
NA

Explanation

Question 4 of 15

1

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

Select one of the following:

# which echo
# crontab -e
23 14 * * * /bin/echo hello
# crontab -l (Verify)
NA

Explanation

Question 5 of 15

1

Create a 2G swap partition which take effect automatically at boot-start, and it should not affect the original swap partition.

Select one of the following:

# fdisk /dev/sda
p
(check Partition table)
n
(create new partition: press e to create extended partition, press p to create the main partition, and the extended partition is further divided into logical partitions)
Enter
+2G
t
l
W
partx -a /dev/sda
partprobe
mkswap /dev/sda8
Copy UUID
swapon -a
vim /etc/fstab
UUID=XXXXX swap swap defaults 0 0
(swapon -s)
NA

Explanation

Question 6 of 15

1

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

Select one of the following:

# useradd -u 1234 alex
# passwd alex
alex111
alex111
NA

Explanation

Question 7 of 15

1

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. )

Select one of the following:

# 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
NA

Explanation

Question 8 of 15

1

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.

Select one of the following:

# 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>
NA

Explanation

Question 9 of 15

1

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.

Select one of the following:

# 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
system-config-authentication
LDAP Server: ldap//instructor.example.com (In domain form, not write IP)

Explanation

Question 10 of 15

1

Configure autofs to make sure after login successfully, it has the home directory autofs, which is shared as /rhome/ldapuser40 at the ip: 172.24.40.10. and it also requires that, other ldap users can use the home directory normally.

Select one of the following:

# chkconfig autofs on
# cd /etc/
# vim /etc/auto.master
/rhome /etc/auto.ldap
# cp auto.misc auto.ldap
# vim auto.ladp
ldapuser40 -rw,soft,intr 172.24.40.10:/rhome/ldapuser40
* -rw,soft,intr 172.16.40.10:/rhome/&
# service autofs stop
# server autofs start
# showmount -e 172.24.40.10
# su - ladpuser40
NA

Explanation

Question 11 of 15

1

Configure the system synchronous as 172.24.40.10.

Select one of the following:

# system-config-date
Answer: Graphical Interfaces:
System-->Administration-->Date & Time

Explanation

Question 12 of 15

1

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.)

Select one of the following:

# 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)

Explanation

Question 13 of 15

1

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.

Select one of the following:

Answer: # pvcreate /dev/sda7 /dev/sda8
# vgcreate -s 16M vg1 /dev/sda7 /dev/sda8
# lvcreate -l 50 -n lvm02
# mkfs.ext4 /dev/vg1/lvm02
http://www.gratisexam.com/# 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)
NA

Explanation

Question 14 of 15

1

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

Select one of the following:

Answer: # useradd -G admin user2
# useradd -G admin user3
# passwd user2
redhat
# passwd user3
redhat
NA

Explanation

Question 15 of 15

1

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

Select one of the following:

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
NA

	Created by Vagner Aragão over 5 years ago

Teste

EX200 - 001 - RHEL6

Question 1 of 15

Click on the orange point and write the correct answer.

Configure your Host Name, IP Address, Gateway and DNS. Host name: station.domain40.example.com /etc/sysconfig/network hostname=abc.com hostname abc.com IP Address: 172.24.40.40/24 Gateway: 172.24.40.1 DNS: 172.24.40.1

Explanation

Question 2 of 15

Add 3 users: harry, natasha, tom. The requirements: The Additional group of the two users: harry, Natasha is the admin group. The user: tom's login shell should be non-interactive.

Select one of the following:

Explanation

Question 3 of 15

Create a catalog under /home named admins. Its respective group is requested to be the admin group. The group users could read and write, while other users are not allowed to access it. The files created by users from the same group should also be the admin group.

Select one of the following:

Explanation

Question 4 of 15

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

Select one of the following:

Explanation

Question 5 of 15

Create a 2G swap partition which take effect automatically at boot-start, and it should not affect the original swap partition.

Select one of the following:

Explanation

Question 6 of 15

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

Select one of the following:

Explanation

Question 7 of 15

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. )

Select one of the following:

Explanation

Question 8 of 15

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.

Select one of the following:

Explanation

Question 9 of 15

Select one of the following:

Explanation

Question 10 of 15

Configure autofs to make sure after login successfully, it has the home directory autofs, which is shared as /rhome/ldapuser40 at the ip: 172.24.40.10. and it also requires that, other ldap users can use the home directory normally.

Select one of the following:

Explanation

Question 11 of 15

Configure the system synchronous as 172.24.40.10.

Select one of the following:

Explanation

Question 12 of 15

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.)

Select one of the following:

Explanation

Question 13 of 15

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.

Select one of the following:

Explanation

Question 14 of 15

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

Select one of the following:

Explanation

Question 15 of 15

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

Select one of the following:

Explanation

Configure your Host Name, IP Address, Gateway and DNS.
Host name: station.domain40.example.com
/etc/sysconfig/network
hostname=abc.com
hostname abc.com
IP Address: 172.24.40.40/24
Gateway: 172.24.40.1
DNS: 172.24.40.1

Add 3 users: harry, natasha, tom.
The requirements: The Additional group of the two users: harry, Natasha is the admin group.
The user: tom's login shell should be non-interactive.

Create a catalog under /home named admins. Its respective group is requested to be the admin group. The group users could read and write, while other users are not allowed to access it.
The files created by users from the same group should also be the admin group.

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.