Locale and timezone

Question 1

Display current date and date settings

Answer 1

timedatectl

Question 2

Apply time settings

Answer 2

timedatectl set-time “2020-01-01 01:00:25”

Question 3

List timezones

Answer 3

timedatectl list-timezones

Question 4

Set timezone

Answer 4

timedatectl set-timezone “America/New_York”

Question 5

RHEL location of file with timezone settings

Answer 5

/etc/localtime

Question 6

Display date

Answer 6

date -u UTC time
date +%F -full date
date +%D -M/D/Y
date +%m-%d-%Y
date +%a -Thu
date +%A -Thursday
date +%b -Jun
date +%d- 31
date -d+'30 days' -show the date +30 days from now
date -d+'15 days' +%Y-%m-%d

Question 7

Menu-driven util to set up timezone

Answer 7

tzselect

Question 8

Install ntp service

Answer 8

yum install chronyd

Question 9

Display info about sources of chronyd

Answer 9

chronyc sources -v

Question 10

Display info about system clock performance

Answer 10

chronyc tracking

Question 11

Location to set up manually time sync servers

Answer 11

/etc/chrony.conf

Question 12

Check if time is correct and not out of sync with ntp servers

Answer 12

systemctl status chronyd