CORRECT TEXT
Configure NTP.
Configure NTP service, Synchronize the server time, NTP server: classroom.example.com
Solution:
Configure the client:
Yum -y install chrony
Vim /etc/chrony.conf
Add: server classroom.example.com iburst
Start: systemctl enable chronyd
systemctl restart chronyd
Validate: timedatectl status
Does this meet the goal?
Correct Answer:
A
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.
Solution:
cd;umount /shrink
e2fsck -f /dev/mapper/vgsrv-shrink
resize2fs /dev/mapper/vgsrv-shrink 220M
lvreduce -L 220M /dev/mapper/vgsrv-shrink
mount -a
Does this meet the goal?
Correct Answer:
A
CORRECT TEXT
Create one partitions having size 100MB and mount it on data.
Solution:
* 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
Does this meet the goal?
Correct Answer:
A
CORRECT TEXT
Make on data that only the user owner and group owner member can fully access.
Solution:
✑ chmod 770 /data
✑ Verify using : ls -ld /data Preview should be like:
drwxrwx--- 2 root sysadmin 4096 Mar 16 18:08 /data
To change the permission on directory we use the chmod command.
According to the question that only the owner user (root) and group member (sysadmin) can fully access the directory so: chmod 770 /data
Does this meet the goal?
Correct Answer:
A
CORRECT TEXT
* 1. Find all sizes of 10k file or directory under the /etc directory, and copy to /tmp/findfiles directory.
* 2. Find all the files or directories with Lucy as the owner, and copy to /tmp/findfiles directory.
Solution:
(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.
Does this meet the goal?
Correct Answer:
A