4 03 2014
Free Download Latest 2014 Pass4sure&Lead2pass Red Hat RHCSA EX200 Exam Questions (11-15)
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Question 11
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.
Answers:
# 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
Question 12
Configure the system synchronous as 172.24.40.10.
Answers:
Graphical Interfaces:
System–>Administration–>Date & Time
OR
# system-config-date
Question 13
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.)
Answers:
# vgdisplay (Check the capacity of vg, if the capacity is not enough, need to create pv , vgextend , lvextend)
# lvdisplay (Check lv)
# lvextend -L +110M /dev/vg2/lv2
# resize2fs /dev/vg2/lv2
mount –a (Verify)
———————————————————————————————————————-
(Decrease lvm)
# umount /media
# fsck -f /dev/vg2/lv2
# resize2fs -f /dev/vg2/lv2 100M
# lvreduce -L 100M /dev/vg2/lv2
# mount –a
# lvdisplay (Verify)
OR
# e2fsck –f /dev/vg1/lvm02
# resize2fs –f /dev/vg1/lvm02
# mount /dev/vg1/lvm01 /mnt
# lvreduce –L 1G –n /dev/vg1/lvm02
# lvdisplay (Verify)
Question 14
Create a volume group, and set 16M as a extends. And divided a volume group containing 50 extends on volume group lv, make it as ext4 file system, and mounted automatically under /mnt/data.
Answers:
# pvcreate /dev/sda7 /dev/sda8
# vgcreate –s 16M vg1 /dev/sda7 /dev/sda8
# lvcreate –l 50 –n lvm02
# mkfs.ext4 /dev/vg1/lvm02
# blkid /dev/vg1/lv1
# vim /etc/fstab
# mkdir –p /mnt/data
UUID=xxxxxxxx /mnt/data ext4 defaults 0 0
# vim /etc/fstab
# mount –a
# mount (Verify)
Question 15
Upgrading the kernel as 2.6.36.7.1, and configure the system to Start the default kernel, keep the old kernel available.
Answers:
# cat /etc/grub.conf
# cd /boot
# lftp it
# get dr/dom/kernel-xxxx.rpm
# rpm –ivh kernel-xxxx.rpm
# vim /etc/grub.conf
default=0
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