EX200 Practice Exam Questions with Answers Red Hat Certified System Administrator - RHCSA (8.2) Certification

# 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

• vi /etc/sysconfing/network NETWORKING=yes HOSTNAME=station?.example.com GATEWAY=192.168.0.254

service network restart

2.vi /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0

ONBOOT=yes

BOOTPROTO=static

IPADDR=X.X.X.X

NETMASK=X.X.X.X

GATEWAY=192.168.0.254

ifdown eth0

ifup eth0

# cd /root; wget ftp://192.168.0.254/pub/boot.iso

# mkdir -p /media/cdrom

# vim /etc/fstab

/root/boot.iso /media/cdrom iso9660 defaults,loop 0 0

# mount -a

mount [-t vfstype] [-o options] device dir

# which echo

# crontab -e

23 14 * * * /bin/echo hello

# crontab -l (Verify)

• vim /etc/auto.master /rhome /etc/auto.misc

wq!

# vim /etc/auto.misc

ldapuser11 --rw,sync host.domain11.example.com:/rhome/ldpauser11 :wq!

#service autofs restart

• service autofs reload
• chkconfig autofs on
• su -ldapuser11

Login ldapuser with home directory

# exit

*

[root@node1 ~]# cat /usr/share/mime/packages/freedesktop.org.xml | grep ich > /root/lines

[root@node1 ~]# cat /root/lines

Ficheru codificáu en BinHex de Machintosh

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ficheiro de Macintosh codificado con BinHex

fichièr encodat Macintosh BinHex

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fichier boîte aux lettres

• vi /etc/resolv.conf

nameserver 172.24.254.254

• host server1.example.com

On every clients, DNS server is specified in /etc/resolv.conf. When you request by name it tries to resolv from DNS server.

nameserver is specified in question,

1. Vi /etc/resolv.conf

nameserver 192.168.0.254

2. host server1.example.com

mkdir/root/findfiles

find / -user jack -exec cp -a {} /root/findfiles/ \; ls /root/findresults

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

Download the file to /tmp first

grep [abcde] /tmp/testfile > /mnt/answer

#system-config-date

Note: dialog box will open in that

Check mark Synchronize date and time over network. Remove all the NTP SERVER and click ADD and type

server.domain11.example.com

****************And then press ENTER and the press OK***************

cd /usr/local

tar –jcvf /root/backup.tar.bz2

mkdir /test

tar –jxvf /root/backup.tar.bz2 –C /test// Decompression to check the content is the same as the /usr/loca after

If the questions require to use gzip to compress. change –j to –z.

/proc is the virtual filesystem, containing the information about the running kernel.

To change the parameter of running kernel you should modify on /proc. From Next reboot the system, kernel will take the value from /etc/sysctl.conf.