What Up to date RH302 Is?

Exam Code: RH302 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: Red Hat Certified Engineer on Redhat Enterprise Linux 5 (Labs)
Certification Provider: Red Hat
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Q141. CORRECT TEXT

Create the user named jane and john.

Answer and Explanation:

1. useradd jane

2. useradd john

useradd command is used to create the user. All user's information stores in /etc/passwd and user;s shadow password stores in /etc/shadow.

Q142. CORRECT TEXT

Configure the send mail server for your local LAN. As well as the mail of user john should get by the jane user.

Answer and Explanation:

Here your Local LAN means your domain named example.com.

1. vi /etc/mail/local-host-names

example.com

2. vi /etc/mail/sendmail.mc

dnl # DEAMON_OPTIONS(`Port=smtp,Addr=127.0.0.1,Name=MTA`)dnl

3. m4 /etc/mail/sendmail.mc >/etc/mail/sendmail.cf

4. vi /etc/mail/access

192.168.0 RELAY

5. service sendmail start | restart

6. chkconfig sendmail on

/etc/mail/local-host-names file contains the aliases to hostname. Mail server program reads the

/etc/mail/sendmail.cf. To change the configuration on mail server, we should edit the

/etc/mail/sendmail.mc file and should generate the sendmail.cf using m4 command.

By default sendmail server allows to connect to local host only. So we should edit the

/etc/mail/sendmail.mc file to allow connect to other hosts.

By default sendmail server will not forward mail. we should specify on /etc/mail/access to relay or to block mail coming from domain or network or individual email address.

7. vi /etc/aliases

john: jane

8. newaliases

We can redirect the mail of one user to another user using /etc/aliases file. In example all mail of john goes to jane user.

Q143. CORRECT TEXT

Fill up the Form through http://server1.example.com/form.php

Answer and Explanation:

1. Open the Browser and type the above URL.

2. Fill the form as required all information.

Q144. CORRECT TEXT

/storage directory on linux server should make available on windows to only Harold with full access but read only to other users and make sure that /storage can access only within example.com domain. Configure to make available.

Answer and Explanation:

1. vi /etc/samba/smb.conf

[global]

netbios name=station?

workgroup=station?

security=user

smb passwd file=/etc/samba/smbpasswd

encrypt passwords=yes

hosts allow= .example.com

[data]

path=/storage

public=no

writable=no

write list=harold

browsable=yes

2. smbpasswd -a harold

3. service smb start

4. chkconfig smb on

/etc/samba/smb.conf. There are some pre-defined section, i. global à use to define the global options, ii. Printers à use to share the printers, iii. homes à use the share the user's home directory.

Security=user à validation by samba username and password. May be there are other users also.

To allow certain share to certain user we should use valid users option.

smbpasswd à Helps to change user's smb password. -a option specifies that the username following should be added to the local smbpasswd file.

If any valid users option is not specified, then all samba users can access the shared data. By Default shared permission is on writable=no means read only sharing. Write list option is used to allow write access on shared directory to certain users or group members.

Q145. CORRECT TEXT

Create the directory /archive and group owner should be the sysuser group.

Answer and Explanation:

1. chgrp sysuser /archive

2. Verify using ls -ld /archive command. You should get like

drwxr-x— 2 root sysadmin 4096 Mar 16 17:59 /archive

chgrp command is used to change the group ownership of particular files or directory.

Another way you can use the chown command.

chown root:sysuser /archive

Q146. 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 RHEL 5 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?

Answer and Explanation:

1. 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

2. service network restart

Q147. CORRECT TEXT

One Logical Volume is created named as myvol under vo volume group and is mounted. The Initial Size of that Logical Volume is 124MB. Make successfully that the size of Logical Volume 245MB without losing any data. The size of logical volume 240MB to 255MB will be acceptable.

Answer and Explanation:

1. First check the size of Logical Volume: lvdisplay /dev/vo/myvol

2. Increase the Size of Logical Volume: lvextend -L+121M /dev/vo/myvol

3. Make Available the size on online: resize2fs /dev/vo/myvol

4. Verify the Size of Logical Volume: lvdisplay /dev/vo/myvol

5. Verify that the size comes in online or not: df -h

We can extend the size of logical Volume using the lvextend command. As well as to decrease the size of Logical Volume, use the lvresize command. In LVM v2 we can extend the size of Logical Volume without unmount as well as we can bring the actual size of Logical Volume on online using ext2online command.

Q148. CORRECT TEXT

Configure the web server for www.abc.com associated IP address is 192.100.0.1 by allowing access to user5 and user6 httpusers.

Answer and Explanation:

1. vi /etc/httpd/conf/httpd.conf

<VirtualHost 192.100.0.1>

ServerName www.abc.com

DocumentRoot /var/www/abc/

<Directory /var/www/abc>

AllowOverride authconfig

</Directory>

DirectoryIndex index.html

ServerAdmin webmaster@abc.com

ErrorLog logs/error_abc.logs

CustomLog logs/custom_abc.logs common

</VirtualHost>

2. Create the directory and index page on specified path. (Index page can download from

ftp://server1.example.com at exam time)

Check the SELinux context of index.html file, should be like this:

-rw-r–r– root root system_u:object_r:httpd_sys_content_t /var/www/html/index.html

If SELinux Context is mismatched, use the restorecon -R /var command

3. vi /var/www/abc/.htaccess

AuthName "Only to Authorized Users"

AuthType basic

AuthUserFile /etc/httpd/conf/mypasswd

require valid-user

Check the SELinux Context, should like this:

-rw-r–r– root root root:object_r:httpd_sys_content_t .htaccess

htpasswd -c /etc/httpd/conf/mypasswd user5htpasswd -m /etc/httpd/conf/mypasswd user6chgrp

apache /etc/httpd/conf/mypasswdchmod g+r /etc/httpd/conf/mypasswd

Check the SELinux Context, should like this:

-rw-r–r– root root system_u:object_r:httpd_config_t /etc/httpd/conf/mypasswd

Use restorecon command to restore the mismatched SELinux Context of the file.service httpd

restartchkconfig httpd on

AllowOverride Authconfig is used to specify which and how much configuration can be overridden by directory specific .htaccess files.

One of the most common tasks performed in users' .htaccess files is adding authorization.

Typically, a user will setup authorization for directories that hold sensitive information with a configuration.

Q149. CORRECT TEXT

We are working on /data initially the size is 2GB. The /dev/test0/lvtestvolume is mount on /data.

Now you required more space on /data but you already added all disks belong to physical volume.

You saw that you have unallocated space around 5 GB on your harddisk. Increase the size of lvtestvolume by 5GB.

Answer and Explanation:.

1. Create a partition having size 5 GB and change the syste id '8e'.

2. use partprobe command

3. pvcreate /dev/hda9 à Suppose your partition number is hda9.

4. vgextend test0 /dev/hda9 à vgextend command add the physical disk on volume group.

5. lvextend -L+5120M /dev/test0/lvtestvolume

6. verify using lvdisplay /dev/test0/lvtestvolume.

Q150. CORRECT TEXT

Make on /storage directory that only the user owner and group owner member can fully access.

Answer and Explanation:

1. chmod 770 /storage

2. Verify using : ls -ld /storage

Preview should be like:

drwxrwx— 2 root sysusers 4096 Mar 16 18:08 /storage

To change the permission on directory we use the chmod command. According to the question that only the owner user (root) and group member (sysusers) can fully access the directory so:

chmod 770 /archive

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