EX200 Exam Dumps - Red Hat Certified System Administrator - RHCSA (8.2)

*

[root@node2 ~]# lsblk

NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT

vdd 252:48 0 5G 0 disk

vde 252:64 0 10G 0 disk

└─vdo1 253:4 0 50G 0 vdo /vbread

[root@node2 ~]# yum install stratis* -y

[root@node2 ~]# systemctl enable --now stratisd.service

[root@node2 ~]# systemctl start stratisd.service

[root@node2 ~]# systemctl status stratisd.service

[root@node2 ~]# stratis pool create think_pool /dev/vdd

[root@node2 ~]# stratis pool list

Name Total Physical Properties

think_pool 5 GiB / 37.63 MiB / 4.96 GiB ~Ca,~Cr

*

[root@node2 ~]# stratis filesystem create think_pool think_fs

[root@node2 ~]# stratis filesystem list

Pool Name Name Used Created Device UUID

think_pool think_fs 546 MiB Mar 23 2021 08:21 /stratis/think_pool/think_fs ade6fdaab06449109540c2f3fdb9417d

[root@node2 ~]# mkdir /strav

[root@node2 ~]# lsblk

[root@node2 ~]# blkid

/dev/mapper/stratis-1-91ab9faf36a540f49923321ba1c5e40d-thin-fs-ade6fdaab06449109540c2f3fdb9417d: UUID="ade6fdaa-b064-4910-9540-c2f3fdb9417d" BLOCK_SIZE="512" TYPE="xfs"

*

[root@node2 ~]# vim /etc/fstab

UUID=ade6fdaa-b064-4910-9540-c2f3fdb9417d /strav xfs defaults,x-systemd.requires=stratisd.service 0 0

[root@node2 ~]# mount /stratis/think_pool/think_fs /strav/

[root@node2 ~]# df -hT

/dev/mapper/stratis-1-91ab9faf36a540f49923321ba1c5e40d-thin-fs-ade6fdaab06449109540c2f3fdb9417d xfs 1.0T 7.2G 1017G 1% /strav

• useradd -u 3400 alex
• passwd alex
• su -alex

crontab -u mary -e

23 14 * * * echo "Hello World."

fdisk /dev/vda

pvcreate /dev/vda3

vgcreate –s 16M vg0 /dev/vda3

lvcreate –n lv0 –l 20 vg0

mkfs.ext3 /dev/mapper/vg0-lv0

mkdir /data

/etc/fstab:

/dev/mapper/vg0-lv0 /data ext3 defaults 0 0

mount –a

mount | grep data

• if=/dev/zero of=/swapfile bs=1M count=600 mkswap /swapfile

/etc/fstab:

/swapfile swap swap defaults 0 0 mount -a

# vim /boot/grub/grub.conf

kernel/vmlinuz-2.6.32-71.el6.x86_64 ro root=/dev/mapper/GLSvg-GLSrootrd_LVM_LV=GLSvg/GLSroot

rd_LVM_LV=GLSvg/GLSswaprd_NO_LUKSrd_NO_MDrd_NO_DM

LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=us crashkernel=auto rhgb quiet kmcrl=5

Restart to take effect and verification:

# cat /proc/cmdline

ro root=/dev/mapper/GLSvg-GLSroot rd_LVM_LV=GLSvg/GLSroot rd_LVM_LV=GLSvg/GLSswap rd_NO_LUKS rd_NO_MD rd_NO_DM

LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=us rhgb quiet kmcrl=5

# useradd -G admin harry

# useradd -G admin natasha

# useradd -s /sbin/nologin tom

# id harry;id Natasha (Show additional group)

# cat /etc/passwd

(Show the login shell)

OR

# system-config-users

• Create a partition having size 5 GB and change the syste id '8e'.
• use partprobe command
• pvcreate /dev/hda9 Suppose your partition number is hda9.
• vgextend test0 /dev/hda9 vgextend command add the physical disk on volume group.
• lvextend -L+5120M /dev/test0/lvtestvolume
• verify using lvdisplay /dev/test0/lvtestvolume.