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NEW QUESTION 1
CORRECT TEXT
Create a backup
Create a backup file named /root/backup.tar.bz2, contains the content of /usr/local, tar must use bzip2 to compress.


Solution:
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.

Does this meet the goal?
  • A. Yes
  • B. Not Mastered

Answer: A

NEW QUESTION 2
CORRECT TEXT
Part 1 (on Node1 Server)
Task 7 [Accessing Linux File Systems]
Find all the files owned by user natasha and redirect the output to /home/alex/files.
Find all files that are larger than 5MiB in the /etc directory and copy them to /find/largefiles.


Solution:
[root@node1 ~]# find / -name natasha -type f > /home/natasha/files
[root@node1 ~]# cat /home/natasha/files
/var/spool/mail/natasha
/mnt/shares/natasha
[root@node1 ~]# mkdir /find
[root@node1 ~]# find /etc -size +5M > /find/largefiles
[root@node1 ~]# cat /find/largefiles
/etc/selinux/targeted/policy/policy.31
/etc/udev/hwdb.bin

Does this meet the goal?
  • A. Yes
  • B. Not Mastered

Answer: A

NEW QUESTION 3
CORRECT TEXT
There are two different networks, 192.168.0.0/24 and 192.168.1.0/24. Your System is in 192.168.0.0/24 Network. One RHEL6 Installed System is going to use as a Router. All required configuration is already done on Linux Server. Where 192.168.0.254 and 192.168.1.254 IP Address are assigned on that Server. How will make successfully ping to 192.168.1.0/24 Network's Host?


Solution:
✑ vi /etc/sysconfig/network GATEWAY=192.168.0.254
OR
vi /etc/sysconf/network-scripts/ifcfg-eth0 DEVICE=eth0
BOOTPROTO=static
ONBOOT=yes
IPADDR=192.168.0.?
NETMASK=255.255.255.0
GATEWAY=192.168.0.254
✑ service network restart
Gateway defines the way to exit the packets. According to question System working as a router for two networks have IP Address 192.168.0.254 and 192.168.1.254.

Does this meet the goal?
  • A. Yes
  • B. Not Mastered

Answer: A

NEW QUESTION 4
CORRECT TEXT
Find the files owned by harry, and copy it to catalog: /opt/dir


Solution:
# cd /opt/
# mkdir dir
# find / -user harry -exec cp -rfp {} /opt/dir/ \;

Does this meet the goal?
  • A. Yes
  • B. Not Mastered

Answer: A

NEW QUESTION 5
CORRECT TEXT
Install the Kernel Upgrade.
Install suitable kernel update from: http://server.domain11.example.com/pub/updates. Following requirements must be met:
Updated kernel used as the default kernel of system start-up.
The original kernel is still valid and can be guided when system starts up.


Solution:
Using the browser open the URL in the question, download kernel file to root or home directory.
uname –r// check the current kernel version
rpm –ivh kernel-*.rpm
vi /boot/grub.conf// check
Some questions are: Install and upgrade the kernel as required. To ensure that grub2 is the default item for startup.
Yum repo : http://content.example.com/rhel7.0/x86-64/errata
OR
uname -r // check kernel
Yum-config-manager --add-repo=“http://content.example.com/rhel7.0/x86-64/ errata”
Yum clean all
Yum list kernel// install directly
Yum -y install kernel// stuck with it, do not pipe! Please do not pipe!
Default enable new kernel grub2-editenv list// check
Modify grub2-set-default “kernel full name”
Grub2-mkconfig –o/boot/grub2/grub.cfg// Refresh

Does this meet the goal?
  • A. Yes
  • B. Not Mastered

Answer: A

NEW QUESTION 6
CORRECT TEXT
Set cronjob for user natasha to do /bin/echo hiya at 14:23.


Solution:
# crontab -e -u natasha
23 14 * * * /bin/echo hiya
wq!

Does this meet the goal?
  • A. Yes
  • B. Not Mastered

Answer: A

NEW QUESTION 7
CORRECT TEXT
Configure a task: plan to run echo "file" command at 14:23 every day.


Solution:
(a) Created as administrator
# crontab -u natasha -e
23 14 * * * /bin/echo "file"
(b)Created as natasha
# su - natasha
$ crontab -e
23 14 * * * /bin/echo "file"

Does this meet the goal?
  • A. Yes
  • B. Not Mastered

Answer: A

NEW QUESTION 8
CORRECT TEXT
Configure the NTP service in your system.


Solution:
system-config-date &
EX200 dumps exhibit

Does this meet the goal?
  • A. Yes
  • B. Not Mastered

Answer: A

NEW QUESTION 9
CORRECT TEXT
Configure /var/tmp/fstab Permission.
Copy the file /etc/fstab to /var/tmp/fstab. Configure var/tmp/fstab permissions as the following:
Owner of the file /var/tmp/fstab is Root, belongs to group root
File /var/tmp/fstab cannot be executed by any user
User natasha can read and write /var/tmp/fstab
User harry cannot read and write /var/tmp/fstab
All other users (present and future) can read var/tmp/fstab.


Solution:
cp /etc/fstab /var/tmp/
✑ /var/tmp/fstab view the owner setfacl -m u:natasha:rw- /var/tmp/fstab setfacl -m u:haryy:--- /var/tmp/fstab
Use getfacl /var/tmp/fstab to view permissions

Does this meet the goal?
  • A. Yes
  • B. Not Mastered

Answer: A

NEW QUESTION 10
CORRECT TEXT
Successfully resolve to server1.example.com where your DNS server is 172.24.254.254.


Solution:
✑ 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.

Does this meet the goal?
  • A. Yes
  • B. Not Mastered

Answer: A

NEW QUESTION 11
CORRECT TEXT
Your System is going use as a router for 172.24.0.0/16 and 172.25.0.0/16. Enable the IP Forwarding.
* 1. echo "1" >/proc/sys/net/ipv4/ip_forward
* 2. vi /etc/sysctl.conf net.ipv4.ip_forward=1


Solution:
/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.

Does this meet the goal?
  • A. Yes
  • B. Not Mastered

Answer: A

NEW QUESTION 12
CORRECT TEXT
Add admin group and set gid=600


Solution:
# groupadd -g 600 admin

Does this meet the goal?
  • A. Yes
  • B. Not Mastered

Answer: A

NEW QUESTION 13
CORRECT TEXT
Add user: user1, set uid=601 Password: redhat
The user's login shell should be non-interactive.


Solution:
# useradd -u 601 -s /sbin/nologin user1
# passwd user1
redhat

Does this meet the goal?
  • A. Yes
  • B. Not Mastered

Answer: A

NEW QUESTION 14
CORRECT TEXT
Binding to an external validation server.
System server.domain11.example.com provides a LDAP validation service, your system should bind to this service as required:
Base DN of validation service is dc=example,dc=com
LDAP is used for providing account information and validation information Connecting and using the certification of http://server.domain11.example.com/pub/EXAMPLE-CA-CERT to encrypt
After the correct configuration, ldapuser1 can log into your system, it does not have HOME directory until you finish autofs questions, ldapuser1 password is password.


Solution:
yum -y install sssd authconfig-gtk krb5-workstation authconfig-gtk // open the graphical interface
Modify user account database to ldap, fill up DN and LDAP SERVER as questions required, use TLS to encrypt connections making tick, write http://server.domain11.example.com/pub/EXAMPLE-CA-CERT to download ca, authentication method choose ldap password.
You can test if the ldapuser is added by the following command:
Id ldapuser1
Note: user password doesn’t not need to set

Does this meet the goal?
  • A. Yes
  • B. Not Mastered

Answer: A

NEW QUESTION 15
CORRECT TEXT
/data Directory is shared from the server1.example.com server. Mount the shared directory that:
* a. when user try to access, automatically should mount
* b. when user doesn't use mounted directory should unmount automatically after 50 seconds.
* c. shared directory should mount on /mnt/data on your machine.


Solution:
* 1. vi /etc/auto.master
/mnt /etc /auto.misc --timeout=50
✑ vi /etc/auto.misc
✑ data -rw,soft,intr server1.example.com:/data
✑ service autofs restart
✑ chkconfig autofs on
When you mount the other filesystem, you should unmount the mounted filesystem, Automount feature of linux helps to mount at access time and after certain seconds, when user unaccess the mounted directory, automatically unmount the filesystem.
/etc/auto.master is the master configuration file for autofs service. When you start the service, it reads the mount point as defined in /etc/auto.master.

Does this meet the goal?
  • A. Yes
  • B. Not Mastered

Answer: A

NEW QUESTION 16
CORRECT TEXT
Download the document from ftp://instructor.example.com/pub/testfile, find all lines containing [abcde] and redirect to /MNT/answer document, then rearrange the order according the original content.


Solution:
Download the file to /tmp first
grep [abcde] /tmp/testfile > /mnt/answer

Does this meet the goal?
  • A. Yes
  • B. Not Mastered

Answer: A

NEW QUESTION 17
CORRECT TEXT
A YUM source has been provided in the http://instructor.example.com/pub/rhel6/dvd Configure your system and can be used normally.


Solution:
✑ /etc/yum.repos.d/base.repo
[base] name=base
baseurl=http://instructor.example.com/pub/rhel6/dvd
gpgcheck=0
yum list

Does this meet the goal?
  • A. Yes
  • B. Not Mastered

Answer: A

NEW QUESTION 18
CORRECT TEXT
Create a volume group, and set the size is 500M, the size of single PE is 16M. Create logical volume named lv0 in this volume group, set size is 20 PE, make it as ext3 file system, and mounted automatically under data.


Solution:
fdisk /dev/vda
pvcreate /dev/vda3
vgcreate –s 16M vg0 /dev/vda3
lvcreate –n lv0 –l 20 vg0
mkfs.ext3 /dev/mapper/vg0-lv0
mkdir /data
/etc/fstab:
/dev/mapper/vg0-lv0 /data ext3 defaults 0 0
mount –a
mount | grep data

Does this meet the goal?
  • A. Yes
  • B. Not Mastered

Answer: A

NEW QUESTION 19
CORRECT TEXT
One Domain RHCE is configured in your lab, your domain server is server1.example.com. nisuser2001, nisuser2002, nisuser2003 user are created on your server 192.168.0.254:/rhome/stationx/nisuser2001. Make sure that when NIS user login in your system automatically mount the home directory. Home directory is separately shared on server /rhome/stationx/ where x is your Station number.


Solution:
✑ use the authconfig --nisserver=<NIS SERVER> --nisdomain=<NIS DOMAIN> -- update
Example: authconfig --niserver=192.168.0.254 --nisdomain=RHCE --update or system- config-authentication
✑ Click on Enable NIS
✑ Type the NIS Domain: RHCE
✑ Type Server 192.168.0.254 then click on next and ok
✑ You will get a ok message.
✑ Create a Directory /rhome/stationx where x is your station number.
✑ vi /etc/auto.master and write at the end of file /rhome/stationx /etc/auto.home -- timeout=60
✑ vi /etc/auto.home and write
* -rw,soft,intr 192.168.0.254:/rhome/stationx/&
Note: please specify your station number in the place of x.
✑ Service autofs restart
✑ Login as the nisuser2001 or nisuser2002 on another terminal will be Success.
According to question, RHCE domain is already configured. We have to make a client of RHCE domain and automatically mount the home directory on your system. To make a member of domain, we use the authconfig with option or system-config authentication command. There a are lots of authentication server
i.e NIS, LDAB, SMB etc. NIS is a RPC related Services, no need to configure the DNS, we should specify the NIS server address.
Here Automount feature is available. When user tried to login, home directory will automatically mount. The automount service used the /etc/auto.master file. On
/etc/auto.master file we specified the mount point the configuration file for mount point.

Does this meet the goal?
  • A. Yes
  • B. Not Mastered

Answer: A

NEW QUESTION 20
CORRECT TEXT
Part 1 (on Node1 Server)
Task 8 [Managing Local Users and Groups]
Create a user fred with a user ID 3945. Give the password as iamredhatman


Solution:
*
[root@node1 ~]# useradd -u 3945 fred
[root@node1 ~]# echo "iamredhatman" | passwd --stdin fred
Changing password for user fred.
passwd: all authentication tokens updated successfully

Does this meet the goal?
  • A. Yes
  • B. Not Mastered

Answer: A

NEW QUESTION 21
......

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