Easy To Download RedHat EX200 Exam Dumps Updated 136 Questions
New Updated EX200 Exam Questions 2022
NEW QUESTION 10
Part 1 (on Node1 Server)
Task 11 [Scheduling Future Tasks]
The user natasha must configure a cron job that runs daily at 14:23 local time and also the same cron job will run after every 2 minutes and executes:
/bin/echo hello
Answer:
Explanation:
* [root@node1 ~]# crontab -l -u natasha
no crontab for natasha
[root@node1 ~]# crontab -e -u natasha
23 14 * * * /bin/echo hello
*/2 * * * * /bin/echo 2min
crontab: installing new crontab
[root@node1 ~]# crontab -l -u natasha
23 14 * * * /bin/echo hello
*/2 * * * * /bin/echo 2min
[root@node1 ~]# systemctl status crond.service
* ### For Checking ###
[root@node1 ~]# tail -f /var/log/cron
Mar 23 13:23:48 node1 crontab[10636]: (root) REPLACE (natasha)
Mar 23 13:23:48 node1 crontab[10636]: (root) END EDIT (natasha)
Mar 23 13:23:50 node1 crontab[10638]: (root) LIST (natasha)
Mar 23 13:24:01 node1 crond[1349]: (root) FAILED (loading cron table)
Mar 23 13:24:02 node1 CROND[10673]: (natasha) CMD (/bin/echo 2min)
NEW QUESTION 11
: 107 SIMULATION
Add an additional swap partition of 754 MB to your system.
The swap partition should automatically mount when your system boots.
Do not remove or otherwise alter any existing swap partitions on your system.
Answer:
Explanation:
see explanation below.
Explanation
* fdisk -l
* fdisk -cu /dev/vda
p n
e or p select e
default (first): enter
default (last): enter n
default(first): enter
default(first): +754M t (1-5)
l: 82 p
w #reboot
#mkswap /dev/vda5
* vim /etc/fstab
/dev/vda5 swap swap defaults 0 0
wq
* mount -a
* swapon -a
* swapon -s
NEW QUESTION 12
SIMULATION
Search files.
Find out files owned by jack, and copy them to directory /root/findresults
Answer:
Explanation:
See explanation below.
Explanation/Reference:
Explanation: mkdir/root/findfiles
find / -user jack -exec cp -a {} /root/findfiles/ \; ls /root/findresults
NEW QUESTION 13
Create a backup
Create a backup file named /root/backup.tar.bz2, contains the content of /usr/local, tar must use bzip2 to compress.
Answer:
Explanation:
see explanation below.
Explanation
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.
NEW QUESTION 14
Part 1 (on Node1 Server)
Task 14 [Managing SELinux Security]
You will configure a web server running on your system serving content using a non-standard port (82)
Answer:
Explanation:
* [root@node1 ~]# curl http://node1.domain15.example.com
curl: (7) Failed to connect to node1.domain15.example.com port 80: Connection refused
[root@node1 ~]# yum install httpd
[root@node1 ~]# systemctl enable --now httpd
Created symlink /etc/systemd/system/multi-user.target.wants/httpd.service → /usr/lib/systemd/system/httpd.service.
[root@node1 ~]# systemctl start httpd
[root@node1 ~]# systemctl status httpd
Status: "Running, listening on: port 80"
* [root@node1 ~]# wget http://node1.domain15.example.com
2021-03-23 13:27:28 ERROR 403: Forbidden.
[root@node1 ~]# semanage port -l | grep http
http_port_t tcp 80, 81, 443, 488, 8008, 8009, 8443, 9000
[root@node1 ~]# semanage port -a -t http_port_t -p tcp 82
[root@node1 ~]# semanage port -l | grep http
http_port_t tcp 82, 80, 81, 443, 488, 8008, 8009, 8443, 9000
[root@node1 ~]# firewall-cmd --zone=public --list-all
[root@node1 ~]# firewall-cmd --permanent --zone=public --add-port=82/tcp
[root@node1 ~]# firewall-cmd --reload
[root@node1 ~]# curl http://node1.domain15.example.com
OK
* root@node1 ~]# wget http://node1.domain15.example.com:82
Connection refused.
[root@node1 ~]# vim /etc/httpd/conf/httpd.conf
Listen 82
[root@node1 ~]# systemctl restart httpd
[root@node1 ~]# wget http://node1.domain15.example.com:82
2021-03-23 13:31:41 ERROR 403: Forbidden.
[root@node1 ~]# curl http://node1.domain15.example.com:82
OK
NEW QUESTION 15
Make a swap partition having 100MB. Make Automatically Usable at System Boot Time.
Answer:
Explanation:
see explanation below.
* Use fdisk /dev/hda ->To create new partition.
* Type n-> For New partition
* It will ask for Logical or Primary Partitions. Press l for logical.
* It will ask for the Starting Cylinder: Use the Default by pressing Enter Key.
* Type the Size: +100M ->You can Specify either Last cylinder of Size here.
* Press P to verify the partitions lists and remember the partitions name. Default System ID is 83 that means Linux Native.
* Type t to change the System ID of partition.
* Type Partition Number
* Type 82 that means Linux Swap.
* Press w to write on partitions table.
* Either Reboot or use partprobe command.
* mkswap /dev/hda? ->To create Swap File system on partition.
* swapon /dev/hda? ->To enable the Swap space from partition.
* free -m ->Verify Either Swap is enabled or not.
* vi /etc/fstab/dev/hda? swap swap defaults 0 0
* Reboot the System and verify that swap is automatically enabled or not.
NEW QUESTION 16
There is a local logical volumes in your system, named with common and belong to VGSRV volume group, mount to the /common directory. The definition of size is 128 MB.
Requirement:
Extend the logical volume to 190 MB without any loss of dat
a. The size is allowed between 160-160 MB after extending.
Answer:
Explanation:
lvextend -L 190M /dev/mapper/vgsrv-common resize2fs /dev/mapper/vgsrv-common
NEW QUESTION 17
SIMULATION
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.
Answer:
Explanation:
See explanation below.
Explanation/Reference:
Explanation: 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
NEW QUESTION 18
Configure autofs to make sure after login successfully, it has the home directory autofs, which is shared as /rhome/ldapuser40 at the ip: 172.24.40.10. and it also requires that, other ldap users can use the home directory normally.
Answer:
Explanation:
Answer see in the explanation.
Explanation/Reference:
# 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
NEW QUESTION 19
Part 1 (on Node1 Server)
Task 6 [Accessing Linux File Systems]
Find all lines in the file /usr/share/mime/packages/freedesktop.org.xml that contain the string ich.
Put a copy of these lines in the original order in the file /root/lines.
/root/lines should contain no empty lines and all lines must be exact copies of the original lines in
/usr/share/mime/packages/freedesktop.org.xml
Answer:
Explanation:
* [root@node1 ~]# cat /usr/share/mime/packages/freedesktop.org.xml | grep ich > /root/lines
[root@node1 ~]# cat /root/lines
<comment xml:lang="ast">Ficheru codificau en BinHex de Machintosh</comment>
<comment xml:lang="fr">fichier code Macintosh BinHex</comment>
<comment xml:lang="gl">ficheiro de Macintosh codificado con BinHex</comment>
<comment xml:lang="oc">fichier encodat Macintosh BinHex</comment>
<comment xml:lang="pt">ficheiro codificado em BinHex de Macintosh</comment>
<comment xml:lang="fr">fichier boite aux lettres</comment>
NEW QUESTION 20
Upgrade the kernel, start the new kernel by default. kernel download from this address:
ftp://server1.domain10.example.com/pub/update/new.kernel
Answer:
Explanation:
see explanation below.
Explanation
Download the new kernel file and then install it.
[root@desktop8 Desktop]# ls
kernel-2.6.32-71.7.1.el6.x86_64.rpm
kernel-firmware-2.6.32-71.7.1.el6.noarch.rpm
[root@desktop8 Desktop]# rpm -ivh kernel-*
Preparing... ###########################################
[100%]
1:kernel-firmware
########################################### [ 50%]
2:kernel
########################################### [100%]
Verify the grub.conf file, whether use the new kernel as the default boot. [root@desktop8 Desktop]# cat
/boot/grub/grub.conf default=0
title Red Hat Enterprise Linux Server (2.6.32-71.7.1.el6.x86_64)
root (hd0,0)
kernel /vmlinuz-2.6.32-71.7.1.el6.x86_64 ro root=/dev/mapper/vol0-root rd_LVM_LV=vol0/root rd_NO_LUKS rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=us crashkernel=auto rhgb quiet initrd /initramfs-2.6.32-71.7.1.el6.x86_64.img
NEW QUESTION 21
The file index.php, which is being maintained in a git repository, was changed locally and contains an error. If
the error has not been committed to the repository yet, which of the following gitcommands reverts the local
copy of index.phpto the latest committed version in the current branch?
- A. git lastver - index.php
- B. git checkout - index.php
- C. git repair - index.php
- D. git revert - index.php
- E. git clean - index.php
Answer: D
Explanation:
Explanation/Reference:
Reference https://git-scm.com/docs/git-revert
NEW QUESTION 22
Create one partitions having size 100MB and mount it on data.
Answer:
Explanation:
1. Use fdisk /dev/hda to create new partition.
2. Type n For New partitions.
3. It will ask for Logical or Primary Partitions. Press l for logical.
4. It will ask for the Starting Cylinder: Use the Default by pressing Enter Key.
5. Type the Size: +100M you can specify either Last cylinder of size here.
6. Press P to verify the partitions lists and remember the partitions name.
7. Press w to write on partitions table.
8. Either Reboot or use partprobe command.
9. Use mkfs -t ext3 /dev/hda?
OR
mke2fs -j /dev/hda? To create ext3 filesystem.
vi /etc/fstab
Write:
/dev/hda? /data ext3 defaults 1 2
Verify by mounting on current Sessions also: mount /dev/hda? /data
NEW QUESTION 23
Which of the following commands lists the cookbooks available on a Chef server?
- A. chef-client cookbook list
- B. chef-solo cookbook list
- C. kitchen cookbook list
- D. chef-server cookbook list
- E. knife cookbook list
Answer: D
NEW QUESTION 24
CORRECT TEXT
Configure a HTTP server, which can be accessed through http://station.domain40.example.com.
Please download the released page from http://ip/dir/example.html.
Answer:
Explanation:
# yum install -y httpd
# chkconfig httpd on
# cd /var/www/html
# wget http://ip/dir/example.html
# cp example.com index.html
# vim /etc/httpd/conf/httpd.conf
NameVirtualHost 192.168.0.254:80
<VirtualHost 192.168.0.254:80>
DocumentRoot /var/www/html/
ServerName station.domain40.example.com
</VirtualHost>
NEW QUESTION 25
Which of the following information is contained in the output of git status? (Choose three correct answers.)
- A. Changed files that will not be part of the next commit.
- B. Changed files that will be part of the next commit.
- C. Locked files which cannot be edited until the lock is released.
- D. Unchanged files which have not been edited locally.
- E. Untracked files which are not subject to version control.
Answer: B,D,E
NEW QUESTION 26
Part 1 (on Node1 Server)
Task 16 [Running Containers]
Configure your host journal to store all journal across reboot
Copy all journal files from /var/log/journal/ and put them in the /home/shangrila/container-logserver Create and mount /home/shangrila/container-logserver as a persistent storage to the container as /var/log/ when container start
Answer:
Explanation:
* [shangrila@node1 ~]$ podman ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
d5ffe018a53c registry.domain15.example.com:5000/rhel8/rsyslog:latest /bin/rsyslog.sh 5 seconds ago Up 4 seconds ago logserver
[shangrila@node1 ~]$ podman stats logserver
Error: stats is not supported in rootless mode without cgroups v2
[shangrila@node1 ~]$ podman stop logserver
d5ffe018a53ca7eb075bf560d1f30822ab6fe51eba58fd1a8f370eda79806496
[shangrila@node1 ~]$ podman rm logserver
Error: no container with name or ID logserver found: no such container
[shangrila@node1 ~]$ mkdir -p container-journal/
* [shangrila@node1 ~]$ sudo systemctl restart systemd-journald
[sudo] password for shangrila:
[shangrila@node1 ~]$ sudo cp -av /var/log/journal/* container-journal/
[shangrila@node1 ~]$ sudo cp -av /var/log/journal/* container-journal/
[shangrila@node1 ~]$ sudo chown -R shangrila container-journal/
[shangrila@node1 ~]$ podman run -d --name logserver -v /home/shangrila/container-journal/:/var/log/journal:Z registry.domain15.example.com:5000/rhel8/rsyslog
[shangrila@node1 ~]$ podman ps
[shangrila@node1 ~]$ loginctl enable-linger
[shangrila@node1 ~]$ loginctl show-user shangrila|grep -i linger
Linger=yes
* [shangrila@node1 ~]$ podman stop logserver
[shangrila@node1 ~]$ podman rm logserver
[shangrila@node1 ~]$ systemctl --user daemon-reload
[shangrila@node1 ~]$ systemctl --user enable --now container-logserver
[shangrila@node1 ~]$ podman ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
3903e1d09170 registry.domain15.example.com:5000/rhel8/rsyslog:latest /bin/rsyslog.sh 4 seconds ago Up 4 seconds ago logserver
[shangrila@node1 ~]$ systemctl --user stop container-logserver.service
* [shangrila@node1 ~]$ sudo reboot
[shangrila@node1 ~]$ podman ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
7e6cd59c506a registry.domain15.example.com:5000/rhel8/rsyslog:latest /bin/rsyslog.sh 10 seconds ago Up 9 seconds ago logserver
NEW QUESTION 27
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.
Answer:
Explanation:
mkdir -p /common/admin
chgrp admin /common/admin
chmod 2770 /common/admin
NEW QUESTION 28
Configure a task: plan to run echo hello command at 14:23 every day.
Answer:
Explanation:
# which echo
# crontab -e
23 14 * * * /bin/echo hello
# crontab -l (Verify)
NEW QUESTION 29
Notes:
NFS: NFS instructor.example.com:/var/ftp/pub/rhel6/dvd
YUM: http://instructor.example.com/pub/rhel6/dvd
ldap: http://instructor.example.com/pub/EXAMPLE-CA-CERT
- A. Install dialog package.
Answer: A
NEW QUESTION 30
Configure a cron Task.
User natasha must configure a cron job, local time 14:23 runs and executes: */bin/echo hiya every day.
Answer:
Explanation:
see explanation below.
Explanation
crontab -e -u natasha
23 14/bin/echo hiya
crontab -l -u natasha // view
systemctlenable crond
systemcdlrestart crond
NEW QUESTION 31
CORRECT TEXT
Create a catalog under /home named admins. Its respective group is requested to be the admin
group. The group users could read and write, while other users are not allowed to access it. The
files created by users from the same group should also be the admin group.
Answer:
Explanation:
# cd /home/
# mkdir admins /
# chown .admin admins/
# chmod 770 admins/
# chmod g+s admins/
NEW QUESTION 32
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.
Answer:
Explanation:
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 zsh
NEW QUESTION 33
Configure a default software repository for your system.
One
YUM has already provided to configure your system on http://server.domain11.example.com/pub/ x86_64/Server, and can be used normally.
Answer:
Explanation:
see explanation below.
Explanation
Yum-config-manager
--add-repo=http://content.example.com/rhel7.0/x86-64/dvd" is to generate a file vim content.example.com_rhel7.0_x86_64_dvd.repo, Add a line gpgcheck=0 Yumcleanall Yumrepolist Almost 4305 packages are right, Wrong Yum Configuration will lead to some following questions cannot be worked out.
NEW QUESTION 34
......
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