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RHCSA EX200 Certification Exam: Questions & Answers
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RHCSA EX200 Certification Exam: Questions & Answers
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RHCSA EX200 Certification Exam: Questions & AnswersResize the LVM logical volume that contains the root file system and
add 1 GiB. Right Ans - df -hT
vgs
lvextend -r -L +500M /dev/vgdata/lvdata
lvextend -r -L +100%FREE /dev/name-of-volume-group/root
Set your server to use the recommended tuned profile. Right Ans -
systemctl status tuned
systemctl start tuned
systemctl enable tuned tuned-adm active
tuned-adm recommend
Create user vicky with the custom UID 2008. Right Ans - useradd -u 2008
vicky
Configure your server to synchronize time with myserver.example.com.
Right Ans - # Install chrony
yum install -y chrony
# enable the chronyd.service
systemctl enable chronyd.service
# start the chronyd.service
systemctl start chronyd.service
# Use the timedatectl command to set ntp to 1
timedatectl set-ntp 1
# Add this line to the chrony config file
vi /etc/chrony.conf
<---server classroom.example.com iburst--->
,# Restart the chronyd.service
systemctl restart chronyd.service
# Verify the ntp server connection
chronyc sources -v
Install a web server and ensure that it is started automatically. Right Ans -
yum install httpd
systemctl enable --now httpd
systemctl status httpd
curl http://localhost
firewall-cmd -permanent -add-service=http
firewall-cmd -reload
Configure your Host Name, IP Address, Gateway and DNS.Host name:
Hostname:station.domain40.example.com
Address:172.24.40.40/24
Gateway172.24.40.1
DNS:172.24.40.1 Right Ans - nmcli connection modify ens33
ipv4.addresses 172.24.40.40/24 ipv4.gateway 172.24.40.1 ifname ens33
ipv4.method manual autoconnect yes
Ensure NTP sync is configured. Right Ans - timedatectl
dnf install chrony
systemctl enable chronyd --now
vim /etc/chrony.conf
timedatectl set-ntp true
timedatectl
, Create xfs file system on "thin_vol1", then mount it on /thin_vol1 directory
persistently. Right Ans - 1. # mkdir /thin_vol1
2. # mkfs.xfs -K /dev/mapper/vg_thin-thin_vol1 //-K: Do not attempt to
discard blocks at mkfs time
3. # udevadm settle //Watches the udev event queue, and exits if all current
events are handled
4. # blkid | grep vol1
5. # vim /etc/fstab
6. Enter the following line:
/dev/mapper/vg_thin-thin_vol1 /thin_vol1 xfs x-
systemd.requires=vdo.service 0 0
7. :wq
8. # mount -a
9. # lsblk
Use the appropriate utility to create a 6T thin provisioned volume "thin_pool".
Right Ans - dnf install vdo kmod-kvdo -y
systemctl start vdo
systemctl enable vdo
systemctl status vdo
lsblk
vdo create --name=vdo1 --device=/dev/sdc --vdoLogicalSize=6.2T --force
systemctl reboot
ls -l /dev/mapper/vdo1
lsblk
vgcreate vg_thin /dev/mapper/vdo1
vgs
lvcreate -L 6T --thinpool thin_pool vg_thin //Creating a Thin Pool
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