[Ubuntu/v24.04.3LTS] Date Time Timezone설정

■ 작업순서

 

# step01. Timezone 설정

CMD] sudo timedatectl set-timezone Asia/Seoul

CMD] timedatectl

CMD] date

CMD] sudo vi /etc/default/locale
------------ADD-----------
LANG="ko_KR.UTF-8"
LC_TIME="ko_KR.UTF-8"
------------ADD-----------END

CMD] sudo dnf install glibc-langpack-ko
CMD] sudo localectl set-locale LC_TIME="ko_KR.UTF-8"
CMD] sudo localectl set-locale LANG=ko_KR.UTF-8

CMD] sudo localectl set-locale LC_TIME="en_GB.UTF-8"
CMD] sudo localectl set-locale LANG=en_GB.UTF-8

 

#step02. (선택) UTC 시간으로 변경

- KST(Korean Standard Time, 한국표준시)

- UTC(Coordinated Universal Time, 협정 세계시)

- KST = UTC + 9시간

CMD] sudo timedatectl set-timezone UTC
# sudo timedatectl set-timezone KST

CMD] sudo timedatectl set-local-rtc yes

#step03. NTP 시간 서버 연동

#01.NTP패키지 설치
CMD]$ sudo apt-get install -y ntp
# sudo apt install chrony

#02.NTP패키지 설치 확인
CMD]$ systemctl list-unit-files | grep -E "ntp|chrony"

#03.NTP서버 연결 설정
CMD]$ sudo vi /etc/ntpsec/ntp.conf
----------ADD/CHANGE--------------
server 192.168.31.172 iburst
----------ADD/CHANGE--------------END

#04.NTP서비스 재시작
CMD]$ sudo systemctl restart ntpsec

#05.NTP서버 연결 확인
CMD]$ sudo ntpq -p