Exambible offers free demo for EX200 exam. "EX200 Red Hat Certified System Administrator (RHCSA) Exam", also known as EX200 exam, is a Red-Hat Certification. This set of posts, Passing the Red-Hat EX200 exam, will help you answer those questions. The EX200 Questions & Answers covers all the knowledge points of the real exam. 100% real Red-Hat EX200 exams and revised by experts!
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NEW QUESTION 1
According the following requirements to create a local directory /common/admin.
This directory has admin group.
This directory has read, write and execute permissions for all admin group members. Other groups and users don’t have any permissions. All the documents or directories created in the/common/admin are automatically inherit the admin group.
Solution:
mkdir -p /common/admin
chgrp admin /common/admin
chmod 2770 /common/admin
Does this meet the goal?
- A. Yes
- B. Not Mastered
Answer: A
NEW QUESTION 2
Create a backup file named /root/backup.tar.bz2, which contains the contents of /usr/local, bar must use the bzip2 compression.
Solution:
cd /usr/local
tar -jcvf /root/backup.tar.bz2*
mkdir /test
tar -jxvf /root/backup.tar.bz2 -C /test/
Does this meet the goal?
- A. Yes
- B. Not Mastered
Answer: A
NEW QUESTION 3
Create the following users, groups, and group memberships: A group named adminuser.
A user natasha who belongs to adminuser as a secondary group A user harry who also belongs to adminuser as a secondary group.
A user sarah who does not have access to an interactive shell on the system, and who is not a member of adminuser, natasha, harry, and sarah should all have the password of redhat.
Solution:
groupadd sysmgrs useradd -G sysmgrs Natasha We can verify the newly created user by cat /etc/passwd)# useradd -G sysmgrs harry
# useradd -s /sbin/nologin sarrh
# passwd Natasha
# passwd harry
# passwd sarrah
Does this meet the goal?
- A. Yes
- B. Not Mastered
Answer: A
NEW QUESTION 4
Configure autofs to automount the home directories of LDAP users as follows: host.domain11.example.com NFS-exports /home to your system.
This filesystem contains a pre-configured home directory for the user ldapuser11 ldapuser11's home directory is host.domain11.example.com /rhome/ldapuser11 ldapuser11's home directory should be automounted locally beneath /rhome as /rhome/ldapuser11
Home directories must be writable by their users ldapuser11's password is 'password'.
Solution:
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 -ldapuser11Login ldapuser with home directory
# exit
Does this meet the goal?
- A. Yes
- B. Not Mastered
Answer: A
NEW QUESTION 5
Create a swap space, set the size is 600 MB, and make it be mounted automatically after rebooting the system (permanent mount).
Solution:
if=/dev/zero of=/swapfile bs=1M count=600 mkswap /swapfile/etc/fstab:
/swapfile swap swap defaults 0 0 mount -a
Does this meet the goal?
- A. Yes
- B. Not Mastered
Answer: A
NEW QUESTION 6
Create a 2G swap partition which take effect automatically at boot-start, and it should not affect the original swap partition.
Solution:
# 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
8 I
82
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)
Does this meet the goal?
- A. Yes
- B. Not Mastered
Answer: A
NEW QUESTION 7
Create the user named eric and deny to interactive login.
Solution:
useradd eric passwd eric vi /etc/passwd eric:x:505:505::/home/eric:/sbin/nologinWhich shell or program should start at login time is specified in /etc/passwd file? By default, Redhat Enterprise Linux assigns the /bin/bash shell to the users. To deny the interactive login, you should write
/sbin/nologin or /bin/ false instead of login shell.
Does this meet the goal?
- A. Yes
- B. Not Mastered
Answer: A
NEW QUESTION 8
Please open the ip_forward, and take effect permanently.
Solution:
vim /etc/sysctl.conf net.ipv4.ip_forward = 1 sysctl –w (takes effect immediately)If no “sysctl.conf” option, use these commands:
sysctl –a |grep net.ipv4 sysctl –P net.ipv4.ip_forward = 1 sysctl -wDoes this meet the goal?
- A. Yes
- B. Not Mastered
Answer: A
NEW QUESTION 9
Your System is configured in 192.168.0.0/24 Network and your nameserver is 192.168.0.254. Make successfully resolve to server1.example.com.
Solution:
nameserver is specified in question,
1. Vi /etc/resolv.conf
nameserver 192.168.0.254
2. host server1.example.com
Does this meet the goal?
- A. Yes
- B. Not Mastered
Answer: A
NEW QUESTION 10
Create User Account.
Create the following user, group and group membership:
Adminuser group
User natasha, using adminuser as a sub group
User Harry, also using adminuser as a sub group
User sarah, can not access the SHELL which is interactive in the system, and is not a member of adminuser, natashaharrysarah password is redhat.
Solution:
groupadd adminuser
useradd natasha -G adminuser
useradd haryy -G adminuser
useradd sarah -s /sbin/nologin
Passwd user name // to modify password or echo redhat | passwd --stdin user name id natasha // to view user group.
Does this meet the goal?
- A. Yes
- B. Not Mastered
Answer: A
NEW QUESTION 11
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.
Solution:
see explanation below.
Create a partition having size 5 GB and change the syste id '8e'. use partprobe command pvcreate /dev/hda9 Suppose your partition number is hda9. vgextend test0 /dev/hda9 vgextend command add the physical disk on volume group. lvextend -L+5120M /dev/test0/lvtestvolume verify using lvdisplay /dev/test0/lvtestvolume.Does this meet the goal?
- A. Yes
- B. Not Mastered
Answer: A
NEW QUESTION 12
Create a logical volume
Create a new logical volume as required:
Name the logical volume as database, belongs to datastore of the volume group, size is 50 PE. Expansion size of each volume in volume group datastore is 16MB.
Use ext3 to format this new logical volume, this logical volume should automatically mount to /mnt/database
Solution:
fdisk -cu /dev/vda// Create a 1G partition, modified when needed
partx –a /dev/vda
pvcreate /dev/vdax
vgcreate datastore /dev/vdax –s 16M
lvcreate– l 50 –n database datastore
mkfs.ext3 /dev/datastore/database
mkdir /mnt/database
mount /dev/datastore/database /mnt/database/ df –Th
vi /etc/fstab
/dev/datastore /database /mnt/database/ ext3 defaults 0 0 mount –a
Restart and check all the questions requirements.
Does this meet the goal?
- A. Yes
- B. Not Mastered
Answer: A
NEW QUESTION 13
Create a 2G swap partition which take effect automatically at boot-start, and it should not affect the original swap partition.
Solution:
# 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)
Does this meet the goal?
- A. Yes
- B. Not Mastered
Answer: A
NEW QUESTION 14
Configure the FTP service in your system, allow remote access to anonymous login and download the program by this service. Service is still running after system rebooting.
Solution:
yum install vsftpd
/etc/init.d/vsftpd start
chkconfig vsftpd on
Does this meet the goal?
- A. Yes
- B. Not Mastered
Answer: A
NEW QUESTION 15
One Package named zsh is dump on ftp://server1.example.com under /pub/updates directory and your FTP server is 192.168.0.254. Install the package zsh.
Solution:
rpm -ivh ftp://server1/example.com/pub/updates/zsh-* or Login to ftp server : ftp ftp://server1.example.com using anonymous user. Change the directory: cd pub and cd updates Download the package: mget zsh-* Quit from the ftp prompt : bye Install the package rpm -ivh zsh-* Verify either package is installed or not : rpm -q zshDoes this meet the goal?
- A. Yes
- B. Not Mastered
Answer: A
NEW QUESTION 16
......
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