RHCE試験無料問題集「RedHat Red Hat Certified Engineer - RHCE 認定」
CORRECT TEXT
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'.
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'.
正解:
vim/etc/auto.master/rhome/etc/auto.miscwq!
#vim/etc/auto.miscldapuser11--rwsynchost.domain11.example.com:/rhome/ldpauser11:wq!
#serviceautofsrestart
serviceautofsreload
chkconfigautofson
su-ldapuser11Loginldapuserwithhomedirectory
#exit
#vim/etc/auto.miscldapuser11--rwsynchost.domain11.example.com:/rhome/ldpauser11:wq!
#serviceautofsrestart
serviceautofsreload
chkconfigautofson
su-ldapuser11Loginldapuserwithhomedirectory
#exit
CORRECT TEXT
One Logical Volume named /dev/test0/testvolume1 is created. The initial Size of that disk is 100MB now you required more 200MB. Increase the size of Logical Volume, size should be increase on online.
One Logical Volume named /dev/test0/testvolume1 is created. The initial Size of that disk is 100MB now you required more 200MB. Increase the size of Logical Volume, size should be increase on online.
正解:
lvextend-L+200M/dev/test0/testvolume1Uselvdisplay/dev/test0/testvolume1)
ext2online-d/dev/test0/testvolume1lvextendcommandisusedtheincreasethesizeofLogicalVolume.Othercommandlvresizecommandalsoheretoresize.Andtobringincreasedsizeononlineweusetheext2onlinecommand.
ext2online-d/dev/test0/testvolume1lvextendcommandisusedtheincreasethesizeofLogicalVolume.Othercommandlvresizecommandalsoheretoresize.Andtobringincreasedsizeononlineweusetheext2onlinecommand.
CORRECT TEXT
Create a new logical volume according to the following requirements:
The logical volume is named database and belongs to the datastore volume group and has a size of 50 extents.
Logical volumes in the datastore volume group should have an extent size of 16 MB.
Format the new logical volume with a ext3 filesystem.
The logical volume should be automatically mounted under /mnt/database at system boot time.
Create a new logical volume according to the following requirements:
The logical volume is named database and belongs to the datastore volume group and has a size of 50 extents.
Logical volumes in the datastore volume group should have an extent size of 16 MB.
Format the new logical volume with a ext3 filesystem.
The logical volume should be automatically mounted under /mnt/database at system boot time.
正解:
fdisk-cu/dev/vdapartx-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-a
CORRECT TEXT
Successfully resolve to server1.example.com where your DNS server is 172.24.254.254.
Successfully resolve to server1.example.com where your DNS server is 172.24.254.254.
正解:
vi/etc/resolv.confnameserver172.24.254.254
hostserver1.example.comOneveryclientsDNSserverisspecifiedin/etc/resolv.conf.WhenyourequestbynameittriestoresolvfromDNSserver.
hostserver1.example.comOneveryclientsDNSserverisspecifiedin/etc/resolv.conf.WhenyourequestbynameittriestoresolvfromDNSserver.
CORRECT TEXT
Create a Shared Directory.
Create a shared directory /home/admins, make it has the following characteristics:
/home/admins belongs to group adminuser
This directory can be read and written by members of group adminuser Any files created in /home/ admin, group automatically set as adminuser.
Create a Shared Directory.
Create a shared directory /home/admins, make it has the following characteristics:
/home/admins belongs to group adminuser
This directory can be read and written by members of group adminuser Any files created in /home/ admin, group automatically set as adminuser.
正解:
mkdir/home/adminschgrp-Radminuser/home/adminschmodg+w/home/adminschmodg+s/home/admins
CORRECT TEXT
There is a local logical volumes in your system, named with shrink and belong to VGSRV volume group, mount to the /shrink directory. The definition of size is 320 MB.
Requirement:
Reduce the logical volume to 220 MB without any loss of data. The size is allowed between 200-260 MB after reducing.
There is a local logical volumes in your system, named with shrink and belong to VGSRV volume group, mount to the /shrink directory. The definition of size is 320 MB.
Requirement:
Reduce the logical volume to 220 MB without any loss of data. The size is allowed between 200-260 MB after reducing.
正解:
cd;umount/shrinke2fsck-f/dev/mapper/vgsrv-shrinkresize2fs/dev/mapper/vgsrv-shrink220Mlvreduce-L220M/dev/mapper/vgsrv-shrinkmount-a
CORRECT TEXT
Add user: user1, set uid=601
Password: redhat
The user's login shell should be non-interactive.
Add user: user1, set uid=601
Password: redhat
The user's login shell should be non-interactive.
正解:
#useradd-u601-s/sbin/nologinuser1
#passwduser1redhat
#passwduser1redhat
CORRECT TEXT
Add 3 users: harry, natasha, tom.
The requirements: The Additional group of the two users:
harry, Natasha is the admin group.
The user: tom's login shell should be non-interactive.
Add 3 users: harry, natasha, tom.
The requirements: The Additional group of the two users:
harry, Natasha is the admin group.
The user: tom's login shell should be non-interactive.
正解:
#useradd-Gadminharry
#useradd-Gadminnatasha
#useradd-s/sbin/nologintom
#idharry;idNatasha(Showadditionalgroup)
#cat/etc/passwd(Showtheloginshell)OR
#system-config-users
#useradd-Gadminnatasha
#useradd-s/sbin/nologintom
#idharry;idNatasha(Showadditionalgroup)
#cat/etc/passwd(Showtheloginshell)OR
#system-config-users
CORRECT TEXT
Configure NTP.
Configure NTP service, Synchronize the server time, NTP server: classroom.example.com
Configure NTP.
Configure NTP service, Synchronize the server time, NTP server: classroom.example.com
正解:
Configuretheclient:Yum-yinstallchronyVim/etc/chrony.confAdd:serverclassroom.example.comiburstStart:systemctlenablechronydsystemctlrestartchronydValidate:timedatectlstatus