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  5. EX200

Red Hat Certified System Administrator (RHCSA) Exam
EX200 Exam

SIMULATION
Configure NTP.

Configure NTP service, Synchronize the server time, NTP server: classroom.example.com

  1. See Explanation section for answer.

Answer(s): A

Explanation:

Configure the client:
Yum -y install chrony
Vim /etc/chrony.conf
Add: server classroom.example.com iburst
Start: systemctl enable chronyd
systemctl restart chronyd
Validate: timedatectl status



SIMULATION
Configure autofs.

Configure the autofs automatically mount to the home directory of LDAP, as required: server.domain11.example.com use NFS to share the home to your system. This file system contains a pre configured home directory of user ldapuserX.
Home directory of ldapuserX is:
server.domain11.example.com /home/guests/ldapuser

Home directory of ldapuserX should automatically mount to the ldapuserX of the local /home/guests Home directory’s write permissions must be available for users ldapuser1’s password is password

  1. See Explanation section for answer.

Answer(s): A

Explanation:

yum install -y autofs
mkdir /home/rehome
/etc/auto.master
/home/rehome/etc/auto.ldap

Keep then exit

cp /etc/auto.misc /etc/auto.ldap
/etc/auto.ldap
ldapuserX -fstype=nfs,rw server.domain11.example.com:/home/guests/

Keep then exit

systemctl start autofs
systemctl enable autofs
su - ldapuserX// test

If the above solutions cannot create files or the command prompt is -bash-4.2$, it maybe exist multi-level directory, this needs to change the server.domain11.example.com:/home/guests/ to server.domain11.example.com:/home/guests/ldapuserX. What is multi-level directory? It means there is a directory of ldapuserX under the /home/guests/ldapuserX in the questions. This directory is the real directory.



SIMULATION
Configure a user account.
Create a user iar, uid is 3400. Password is redhat

  1. See Explanation section for answer.

Answer(s): A

Explanation:

useradd -u 3400 iar
passwd iar



SIMULATION
Add a swap partition.

Adding an extra 500M swap partition to your system, this swap partition should mount automatically when the system starts up. Don't remove and modify the existing swap partitions on your system.

  1. See Explanation section for answer.

Answer(s): A

Explanation:

fdisk -cu /dev/vda// in the way of expanding the partition, don’t make main partition
partx –a /dev/vda
mkswap /dev/vdax
swapon /dev/vdax swapon –s
vi /etc/fstab
/dev/vdaxswapswapdefaults0 0
mount -a




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