EX200 – Red Hat Certified System Administrator (RHCSA)

Reference / correct answer:

mkdir /home/admins chgrp -R adminuser /home/admins chmodg+w /home/admins chmodg+s /home/admins

Reference / correct answer:

# 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)

Reference / correct answer:

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