Pass RedHat RHCE Actual Free Exam Q&As Updated Dump Aug 30, 2022
Latest RHCE Actual Free Exam Updated 111 Questions
NEW QUESTION 14
CORRECT TEXT
Find all lines in the file /usr/share/dict/words that contain the string seismic. Put a copy of all these lines in their original order in the file /root/wordlist. /root/wordlist should contain no empty lines and all lines must be exact copies of the original lines in /usr/share/dict/words.
Answer:
Explanation:
grepseismic/usr/share/dict/words>/root/wordlist
NEW QUESTION 15
CORRECT TEXT
Configure the NTP service in your system.
Answer:
Explanation:
see explanation below. Explanation system-config-date &
NEW QUESTION 16
CORRECT TEXT
Update the kernel from ftp://instructor.example.com/pub/updates.
According the following requirements:
The updated kernel must exist as default kernel after rebooting the system.
The original kernel still exists and is available in the system.
Answer:
Explanation:
rpm-ivhkernel-firm...rpm-ivhkernel...
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.
Answer:
Explanation:
/etc/yum.repos.d/base.repo[base]name=basebaseurl=http://instructor.example.com/pub/rhel6/dvdgpgcheck=0yumlist
NEW QUESTION 18
CORRECT TEXT
Configure autofs.
Configure the autofs automatically mount to the home directory of LDAP, as required:
server.domain11.example.com use NFS to share the home to your system. This file system contains a pre
configured home directory of user ldapuserX.
Home directory of ldapuserX is:
server.domain11.example.com /home/guests/ldapuser
Home directory of ldapuserX should automatically mount to the ldapuserX of the local /home/guests Home directory's write permissions must be available for users ldapuser1's password is password
Answer:
Explanation:
yuminstall-yautofsmkdir/home/rehome
/etc/auto.master/home/rehome/etc/auto.ldapKeepthenexitcp/etc/auto.misc/etc/auto.ldap
/etc/auto.ldapldapuserX-fstype=nfsrwserver.domain11.example.com:/home/guests/Keepthenexitsystemctlstartautofssystemctlenableautofssu-ldapuserX//testIftheabovesolutionscannotcreatefilesorthecommandpromptis-bash-4.2$itmaybeexistmulti-leveldirectorythisneedstochangetheserver.domain11.example.com:/home/guests/toserver.domain11.example.com:/home/guests/ldapuserX.Whatismulti-leveldirectory?ItmeansthereisadirectoryofldapuserXunderthe/home/guests/ldapuserXinthequestions.Thisdirectoryistherealdirectory.
NEW QUESTION 19
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.
Answer:
Explanation:
cp/etc/fstab/var/tmp/
/var/tmp/fstabviewtheownersetfacl-mu:natasha:rw-/var/tmp/fstabsetfacl-mu:haryy:---/var/tmp/fstabUsegetfacl/var/tmp/fstabtoviewpermissions
NEW QUESTION 20
CORRECT TEXT
Your System is going to use as a Router for two networks. One Network is 192.168.0.0/24 and Another Network is 192.168.1.0/24. Both network's IP address has assigned.
How will you forward the packets from one network to another network?
Answer:
Explanation:
echo"1">/proc/sys/net/ipv4/ip_forward
vi/etc/sysctl.confnet.ipv4.ip_forward=1IfyouwanttousetheLinuxSystemasaRoutertomakecommunicationbetweendifferentnetworksyouneedenabletheIPforwarding.Toenableonrunningsessionjustsetvalue1to/proc/sys/net/ipv4/ip_forward.AswellasautomaticallyturnontheIPforwardingfeaturesonnextbootseton/etc/sysctl.conffile.
NEW QUESTION 21
CORRECT TEXT
Create a 512M partition, make it as ext4 file system, mounted automatically under /mnt/data and which take effect automatically at boot-start.
Answer:
Explanation:
#fdisk/dev/vdan+512Mw
#partprobe/dev/vda
#mkfs-text4/dev/vda5
#mkdir-p/data
#vim/etc/fstab/dev/vda5/dataext4defaults00
#mount-a
NEW QUESTION 22
CORRECT TEXT
Configure iptables, there are two domains in the network, the address of local domain is 172.24.0.0/16 other domain is 172.25.0.0/16, now refuse domain 172.25.0.0/16 to access the server.
Answer:
Explanation:
below
iptables-F
serviceiptablessave
iptables-AINPUT-s172.25.0.0/16-jREJECT
serviceiptablessave
serviceiptablesrestart
NEW QUESTION 23
CORRECT TEXT
The user authentication has been provided by ldap domain in 192.168.0.254. According the following requirements to get ldapuser.
-LdapuserX must be able to login your system, X is your hostname number. But the ldapuser's home directory cannot be mounted, until you realize automatically mount by autofs server.
- All ldap user's password is "password".
Answer:
Explanation:
see explanation below. Explanation system-config-authentication &
NEW QUESTION 24
CORRECT TEXT
You are new System Administrator and from now you are going to handle the system and your main task is Network monitoring, Backup and Restore. But you don't know the root password. Change the root password to redhat and login in default Runlevel.
Answer:
Explanation:
WhenyouBoottheSystemitstartsondefaultRunlevelspecifiedin/etc/inittab:Id:?:initdefault:WhenSystemSuccessfullybootitwillaskforusernameandpassword.Butyoudon'tknowtheroot'spassword.Tochangetherootpasswordyouneedtobootthesystemintosingleusermode.Youcanpassthekernelargumentsfromthebootloader.1.RestarttheSystem.2.YouwillgetthebootloaderGRUBscreen.3.Pressaandtype1orsforsinglemoderoroot=LABEL=/rhgbqueits4.SystemwillbootonSingleUsermode.5.Usepasswdcommandtochange.6.Pressctrl+d
NEW QUESTION 25
CORRECT TEXT
Make a swap partition having 100MB. Make Automatically Usable at System Boot Time.
Answer:
Explanation:
Usefdisk/dev/hda->Tocreatenewpartition.
Typen->ForNewpartition
ItwillaskforLogicalorPrimaryPartitions.Presslforlogical.
ItwillaskfortheStartingCylinder:UsetheDefaultbypressingEnterKey.
TypetheSize:+100M->YoucanSpecifyeitherLastcylinderofSizehere.
PressPtoverifythepartitionslistsandrememberthepartitionsname.DefaultSystemIDis83thatmeansLinuxNative.
TypettochangetheSystemIDofpartition.
TypePartitionNumber
Type82thatmeansLinuxSwap.
Presswtowriteonpartitionstable.
EitherRebootorusepartprobecommand.
mkswap/dev/hda?->TocreateSwapFilesystemonpartition.
swapon/dev/hda?->ToenabletheSwapspacefrompartition.
free-m->VerifyEitherSwapisenabledornot.
vi/etc/fstab/dev/hda?swapswapdefaults00
ReboottheSystemandverifythatswapisautomaticallyenabledornot.
NEW QUESTION 26
CORRECT TEXT
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
Answer:
Explanation:
fdisk-cu/dev/vda//Createa1Gpartitionmodifiedwhenneededpartx-a/dev/vdapvcreate/dev/vdaxvgcreatedatastore/dev/vdax-s16Mlvcreate-l50-ndatabasedatastoremkfs.ext3/dev/datastore/databasemkdir/mnt/databasemount/dev/datastore/database/mnt/database/df-Thvi/etc/fstab/dev/datastore/database/mnt/database/ext3defaults00mount-aRestartandcheckallthequestionsrequirements.
NEW QUESTION 27
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.
Answer:
Explanation:
fdisk/dev/vdapvcreate/dev/vda3vgcreate-s16Mvg0/dev/vda3lvcreate-nlv0-l20vg0mkfs.ext3/dev/mapper/vg0-lv0mkdir/data/etc/fstab:/dev/mapper/vg0-lv0/dataext3defaults00mount-amount|grepdata
NEW QUESTION 28
CORRECT TEXT
Find the rows that contain abcde from file /etc/testfile, and write it to the file/tmp/testfile, and the sequence is requested as the same as /etc/testfile.
Answer:
Explanation:
#cat/etc/testfile|whilereadline;doecho$line|grepabcde|tee-a/tmp/testfiledoneORgrep`abcde'/etc/testfile>/tmp/testfile
NEW QUESTION 29
CORRECT TEXT
Change the logical volume capacity named vo from 190M to 300M. and the size of the floating range should set between 280 and 320. (This logical volume has been mounted in advance.)
Answer:
Explanation:
#vgdisplay(Checkthecapacityofvgifthecapacityisnotenoughneedtocreatepvvgextendlvextend)
#lvdisplay(Checklv)
#lvextend-L+110M/dev/vg2/lv2
#resize2fs/dev/vg2/lv2mount-a(Verify)-------------------------------------------------------------------------------(Decreaselvm)
#umount/media
#fsck-f/dev/vg2/lv2
#resize2fs-f/dev/vg2/lv2100M
#lvreduce-L100M/dev/vg2/lv2
#mount-a
#lvdisplay(Verify)OR
#e2fsck-f/dev/vg1/lvm02
#resize2fs-f/dev/vg1/lvm02
#mount/dev/vg1/lvm01/mnt
#lvreduce-L1G-n/dev/vg1/lvm02
#lvdisplay(Verify)
NEW QUESTION 30
CORRECT TEXT
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/adminchgrpadmin/common/adminchmod2770/common/admin
NEW QUESTION 31
CORRECT TEXT
Create the user named eric and deny to interactive login.
Answer:
Explanation:
useradderic
passwderic
vi/etc/passwd
eric:x:505:505::/home/eric:/sbin/nologinWhichshellorprogramshouldstartatlogintimeisspecifiedin/etc/passwdfile?BydefaultRedhatEnterpriseLinuxassignsthe/bin/bashshelltotheusers.Todenytheinteractiveloginyoushouldwrite/sbin/nologinor/bin/falseinsteadofloginshell.
NEW QUESTION 32
CORRECT TEXT
Add user: user1, set uid=601
Password: redhat
The user's login shell should be non-interactive.
Answer:
Explanation:
#useradd-u601-s/sbin/nologinuser1
#passwduser1redhat
NEW QUESTION 33
CORRECT TEXT
Configure your Host Name, IP Address, Gateway and DNS.
Host name: station.domain40.example.com
/etc/sysconfig/network
hostname=abc.com
hostname abc.com
IP Address:172.24.40.40/24
Gateway172.24.40.1
DNS:172.24.40.1
Answer:
Explanation:
#cd/etc/syscofig/network-scripts/
#ls
#vimifcfg-eth0(ConfigureIPAddressGatewayandDNS)IPADDR=172.24.40.40GATEWAY=172.24.40.1DNS1=172.24.40.1
#vim/etc/sysconfig/network(ConfigureHostName)HOSTNAME=station.domain40.example.comORGraphicalInterfaces:System->Preference->NetworkConnections(ConfigureIPAddressGatewayandDNS)Vim/etc/sysconfig/network(ConfigureHostName)
NEW QUESTION 34
CORRECT TEXT
Set cronjob for user natasha to do /bin/echo hiya at 14:23.
Answer:
Explanation:
#crontab-e-unatasha2314***/bin/echohiyawq!
NEW QUESTION 35
CORRECT TEXT
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.
Answer:
Explanation:
nameserverisspecifiedinquestion1.Vi/etc/resolv.confnameserver192.168.0.2542.hostserver1.example.com
NEW QUESTION 36
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