Free RedHat EX200 Practice Exam with Questions & Answers

fdisk -cu /dev/vda// in the way of expanding the partition, don’t make main partition

partx –a /dev/vda

mkswap /dev/vdax

swapon /dev/vdax

swapon –s

vi /etc/fstab

/dev/vdaxswapswapdefaults0 0

mount -a

# cp /etc/fstab /var/tmp/

# chgrp admin /var/tmp/fstab

# setfacl -m u:user1:rwx /var/tmp/fstab

# setfacl -m u:user2:--- /var/tmp/fstab

# ls -l

-rw-rw-r--+ 1 root admin 685 Nov 10 15:29 /var/tmp/fstab

grep seismic /usr/share/dict/words> /root/lines.txt

mkdir /home/admins

chgrp -R adminuser /home/admins

chmodg+w /home/admins

chmodg+s /home/admins

# 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)

* [root@node1 ~]# groupadd sharegrp

[root@node1 ~]# useradd harry

[root@node1 ~]# useradd natasha

[root@node1 ~]# usermod -aG sharegrp harry

[root@node1 ~]# usermod -aG sharegrp natasha

[root@node1 ~]# useradd -s /sbin/nologin copper

[root@node1 ~]# echo "redhat" | passwd --stdin harry

[root@node1 ~]# echo "redhat" | passwd --stdin natasha

[root@node1 ~]# echo "redhat" | passwd --stdin copper

### For Checking ###

[root@node1 ~]# su - copper

This account is currently not available.

[root@node1 ~]# su - natasha

[root@node1 ~]# id

[root@node1 ~]# su - harry

[root@node1 ~]# id

(1)find /etc -size 10k -exec cp {} /tmp/findfiles \;

(2)find / -user lucy -exec cp -a {} /tmp/findfiles \;

Note: If find users and permissions, you need to use cp - a options, to keep file permissions and user attributes etc.

1. chmod g+s /data

2. Verify using: ls -ld /data

Permission should be like this: drwxrws--- 2 root sysadmin 4096 Mar 16 18:08 /data

If SGID bit is set on directory then who every users creates the files on directory group owner automatically the owner of parent directory. To set the SGID bit: chmod g+s directory To Remove the SGID bit: chmod g-s directory

• vi /etc/sysconfig/network GATEWAY=192.168.0.254

OR

vi /etc/sysconf/network-scripts/ifcfg-eth0 DEVICE=eth0

BOOTPROTO=static

ONBOOT=yes

IPADDR=192.168.0.?

NETMASK=255.255.255.0

GATEWAY=192.168.0.254

• service network restart

Gateway defines the way to exit the packets. According to question System working as a router for two networks have IP Address 192.168.0.254 and 192.168.1.254.