Linux time / date 설정 명령어 - 날짜 / 시간

Linux time / date 설정 명령어 - 날짜 / 시간

Linux time / date 설정

 

안녕하세요. 오늘은 리눅스에서 시간과 날짜를 설정하는 명령어에 대해서 알아보겠습니다. test 환경은 ubuntu 18.04.4 server version입니다.

 

timedatectl

root@ubuntu:~# timedatectl
                      Local time: Mon 2021-02-15 20:50:38 EST
                  Universal time: Tue 2021-02-16 01:50:38 UTC
                        RTC time: Tue 2021-02-16 01:50:38
                       Time zone: America/New_York (EST, -0500)
       System clock synchronized: yes
systemd-timesyncd.service active: yes
                 RTC in local TZ: no
root@ubuntu:~#

timedatectl 이란 명령어를 입력해 보시면 위와 같은 정보를 얻을 수 있습니다.

 

date라는 명령어를 사용하면 아래와 같이 간단한 시간 날짜 정보를 확인할 수 있습니다.

root@ubuntu:~# date
Mon Feb 15 20:51:11 EST 2021

 

현재 시스템은 시간과 날짜, 지역이 America/New_York 로 설정이 되어있습니다.

명령어를 사용하여 Asia/Seoul로 변경하겠습니다.

 

timedatectl 의 명령어의 옵션에 대해서 알아보겠습니다.

root@ubuntu:~# timedatectl --help
timedatectl [OPTIONS...] COMMAND ...

Query or change system time and date settings.

  -h --help                Show this help message
     --version             Show package version
     --no-pager            Do not pipe output into a pager
     --no-ask-password     Do not prompt for password
  -H --host=[USER@]HOST    Operate on remote host
  -M --machine=CONTAINER   Operate on local container
     --adjust-system-clock Adjust system clock when changing local RTC mode

Commands:
  status                   Show current time settings
  set-time TIME            Set system time
  set-timezone ZONE        Set system time zone
  list-timezones           Show known time zones
  set-local-rtc BOOL       Control whether RTC is in local time
  set-ntp BOOL             Enable or disable network time synchronization

아래쪽 커맨드를 보시면 set-timezone이라는 명령어가 있습니다. 눈치채셨겠지만, 지역을 설정해 주는 명령어입니다. 해당 지역을 설정해 주시면, 설정한 지역의 타임라인으로 변경되어 날짜와 시간이 변경됩니다.

 

명령어의 순서는 timedatectl set-timezone 대륙/도시 순으로 입력하시면 됩니다.

 

보통 timedatectl set-timezone 까지 입력하시고 우리의 만능키 인 tab을 툭툭 치시면 아래와 같이 입력가능한 대륙/도시를 확인할 수 있습니다.

root@ubuntu:~# timedatectl set-timezone
Display all 426 possibilities? (y or n)
Africa/Abidjan                  America/Atikokan                America/Menominee               Asia/Amman                      Asia/Tomsk                      Europe/Samara
Africa/Accra                    America/Bahia                   America/Merida                  Asia/Anadyr                     Asia/Ulaanbaatar                Europe/San_Marino
Africa/Addis_Ababa              America/Bahia_Banderas          America/Metlakatla              Asia/Aqtau                      Asia/Urumqi                     Europe/Sarajevo
Africa/Algiers                  America/Barbados                America/Mexico_City             Asia/Aqtobe                     Asia/Ust-Nera                   Europe/Saratov
Africa/Asmara                   America/Belem                   America/Miquelon                Asia/Ashgabat                   Asia/Vientiane                  Europe/Simferopol
Africa/Bamako                   America/Belize                  America/Moncton                 Asia/Atyrau                     Asia/Vladivostok                Europe/Skopje
Africa/Bangui                   America/Blanc-Sablon            America/Monterrey               Asia/Baghdad                    Asia/Yakutsk                    Europe/Sofia
Africa/Banjul                   America/Boa_Vista               America/Montevideo              Asia/Bahrain                    Asia/Yangon                     Europe/Stockholm
Africa/Bissau                   America/Bogota                  America/Montserrat              Asia/Baku                       Asia/Yekaterinburg              Europe/Tallinn
Africa/Blantyre                 America/Boise                   America/Nassau                  Asia/Bangkok                    Asia/Yerevan                    Europe/Tirane
Africa/Brazzaville              America/Cambridge_Bay           America/New_York                Asia/Barnaul                    Atlantic/Azores                 Europe/Ulyanovsk
Africa/Bujumbura                America/Campo_Grande            America/Nipigon                 Asia/Beirut                     Atlantic/Bermuda                Europe/Uzhgorod
Africa/Cairo                    America/Cancun                  America/Nome                    Asia/Bishkek                    Atlantic/Canary                 Europe/Vaduz
Africa/Casablanca               America/Caracas                 America/Noronha                 Asia/Brunei                     Atlantic/Cape_Verde             Europe/Vatican
Africa/Ceuta                    America/Cayenne                 America/North_Dakota/Beulah     Asia/Chita                      Atlantic/Faroe                  Europe/Vienna
Africa/Conakry                  America/Cayman                  America/North_Dakota/Center     Asia/Choibalsan                 Atlantic/Madeira                Europe/Vilnius
Africa/Dakar                    America/Chicago                 America/North_Dakota/New_Salem  Asia/Colombo                    Atlantic/Reykjavik              Europe/Volgograd
Africa/Dar_es_Salaam            America/Chihuahua               America/Ojinaga                 Asia/Damascus                   Atlantic/South_Georgia          Europe/Warsaw
Africa/Djibouti                 America/Costa_Rica              America/Panama                  Asia/Dhaka                      Atlantic/Stanley                Europe/Zagreb
Africa/Douala                   America/Creston                 America/Pangnirtung             Asia/Dili                       Atlantic/St_Helena              Europe/Zaporozhye
Africa/El_Aaiun                 America/Cuiaba                  America/Paramaribo              Asia/Dubai                      Australia/Adelaide              Europe/Zurich
Africa/Freetown                 America/Curacao                 America/Phoenix                 Asia/Dushanbe                   Australia/Brisbane              Indian/Antananarivo
Africa/Gaborone                 America/Danmarkshavn            America/Port-au-Prince          Asia/Famagusta                  Australia/Broken_Hill           Indian/Chagos
Africa/Harare                   America/Dawson                  America/Port_of_Spain           Asia/Gaza                       Australia/Currie                Indian/Christmas
Africa/Johannesburg             America/Dawson_Creek            America/Porto_Velho             Asia/Hebron                     Australia/Darwin                Indian/Cocos
Africa/Juba                     America/Denver                  America/Puerto_Rico             Asia/Ho_Chi_Minh                Australia/Eucla                 Indian/Comoro
Africa/Kampala                  America/Detroit                 America/Punta_Arenas            Asia/Hong_Kong                  Australia/Hobart                Indian/Kerguelen
Africa/Khartoum                 America/Dominica                America/Rainy_River             Asia/Hovd                       Australia/Lindeman              Indian/Mahe
Africa/Kigali                   America/Edmonton                America/Rankin_Inlet            Asia/Irkutsk                    Australia/Lord_Howe             Indian/Maldives
Africa/Kinshasa                 America/Eirunepe                America/Recife                  Asia/Jakarta                    Australia/Melbourne             Indian/Mauritius
Africa/Lagos                    America/El_Salvador             America/Regina                  Asia/Jayapura                   Australia/Perth                 Indian/Mayotte
Africa/Libreville               America/Fortaleza               America/Resolute                Asia/Jerusalem                  Australia/Sydney                Indian/Reunion
Africa/Lome                     America/Fort_Nelson             America/Rio_Branco              Asia/Kabul                      Europe/Amsterdam                Pacific/Apia
Africa/Luanda                   America/Glace_Bay               America/Santarem                Asia/Kamchatka                  Europe/Andorra                  Pacific/Auckland
Africa/Lubumbashi               America/Godthab                 America/Santiago                Asia/Karachi                    Europe/Astrakhan                Pacific/Bougainville
Africa/Lusaka                   America/Goose_Bay               America/Santo_Domingo           Asia/Kathmandu                  Europe/Athens                   Pacific/Chatham
Africa/Malabo                   America/Grand_Turk              America/Sao_Paulo               Asia/Khandyga                   Europe/Belgrade                 Pacific/Chuuk
Africa/Maputo                   America/Grenada                 America/Scoresbysund            Asia/Kolkata                    Europe/Berlin                   Pacific/Easter
Africa/Maseru                   America/Guadeloupe              America/Sitka                   Asia/Krasnoyarsk                Europe/Bratislava               Pacific/Efate
Africa/Mbabane                  America/Guatemala               America/St_Barthelemy           Asia/Kuala_Lumpur               Europe/Brussels                 Pacific/Enderbury
Africa/Mogadishu                America/Guayaquil               America/St_Johns                Asia/Kuching                    Europe/Bucharest                Pacific/Fakaofo
Africa/Monrovia                 America/Guyana                  America/St_Kitts                Asia/Kuwait                     Europe/Budapest                 Pacific/Fiji
Africa/Nairobi                  America/Halifax                 America/St_Lucia                Asia/Macau                      Europe/Busingen                 Pacific/Funafuti
Africa/Ndjamena                 America/Havana                  America/St_Thomas               Asia/Magadan                    Europe/Chisinau                 Pacific/Galapagos
Africa/Niamey                   America/Hermosillo              America/St_Vincent              Asia/Makassar                   Europe/Copenhagen               Pacific/Gambier
Africa/Nouakchott               America/Indiana/Indianapolis    America/Swift_Current           Asia/Manila                     Europe/Dublin                   Pacific/Guadalcanal
Africa/Ouagadougou              America/Indiana/Knox            America/Tegucigalpa             Asia/Muscat                     Europe/Gibraltar                Pacific/Guam
Africa/Porto-Novo               America/Indiana/Marengo         America/Thule                   Asia/Nicosia                    Europe/Guernsey                 Pacific/Honolulu
Africa/Sao_Tome                 America/Indiana/Petersburg      America/Thunder_Bay             Asia/Novokuznetsk               Europe/Helsinki                 Pacific/Kiritimati
Africa/Tripoli                  America/Indiana/Tell_City       America/Tijuana                 Asia/Novosibirsk                Europe/Isle_of_Man              Pacific/Kosrae
Africa/Tunis                    America/Indiana/Vevay           America/Toronto                 Asia/Omsk                       Europe/Istanbul                 Pacific/Kwajalein
Africa/Windhoek                 America/Indiana/Vincennes       America/Tortola                 Asia/Oral                       Europe/Jersey                   Pacific/Majuro
America/Adak                    America/Indiana/Winamac         America/Vancouver               Asia/Phnom_Penh                 Europe/Kaliningrad              Pacific/Marquesas
America/Anchorage               America/Inuvik                  America/Whitehorse              Asia/Pontianak                  Europe/Kiev                     Pacific/Midway
America/Anguilla                America/Iqaluit                 America/Winnipeg                Asia/Pyongyang                  Europe/Kirov                    Pacific/Nauru
America/Antigua                 America/Jamaica                 America/Yakutat                 Asia/Qatar                      Europe/Lisbon                   Pacific/Niue
America/Araguaina               America/Juneau                  America/Yellowknife             Asia/Qostanay                   Europe/Ljubljana                Pacific/Norfolk
America/Argentina/Buenos_Aires  America/Kentucky/Louisville     Antarctica/Casey                Asia/Qyzylorda                  Europe/London                   Pacific/Noumea
America/Argentina/Catamarca     America/Kentucky/Monticello     Antarctica/Davis                Asia/Riyadh                     Europe/Luxembourg               Pacific/Pago_Pago
America/Argentina/Cordoba       America/Kralendijk              Antarctica/DumontDUrville       Asia/Sakhalin                   Europe/Madrid                   Pacific/Palau
America/Argentina/Jujuy         America/La_Paz                  Antarctica/Macquarie            Asia/Samarkand                  Europe/Malta                    Pacific/Pitcairn
America/Argentina/La_Rioja      America/Lima                    Antarctica/Mawson               Asia/Seoul                      Europe/Mariehamn                Pacific/Pohnpei
America/Argentina/Mendoza       America/Los_Angeles             Antarctica/McMurdo              Asia/Shanghai                   Europe/Minsk                    Pacific/Port_Moresby
America/Argentina/Rio_Gallegos  America/Lower_Princes           Antarctica/Palmer               Asia/Singapore                  Europe/Monaco                   Pacific/Rarotonga
America/Argentina/Salta         America/Maceio                  Antarctica/Rothera              Asia/Srednekolymsk              Europe/Moscow                   Pacific/Saipan
America/Argentina/San_Juan      America/Managua                 Antarctica/Syowa                Asia/Taipei                     Europe/Oslo                     Pacific/Tahiti
America/Argentina/San_Luis      America/Manaus                  Antarctica/Troll                Asia/Tashkent                   Europe/Paris                    Pacific/Tarawa
America/Argentina/Tucuman       America/Marigot                 Antarctica/Vostok               Asia/Tbilisi                    Europe/Podgorica                Pacific/Tongatapu
America/Argentina/Ushuaia       America/Martinique              Arctic/Longyearbyen             Asia/Tehran                     Europe/Prague                   Pacific/Wake
America/Aruba                   America/Matamoros               Asia/Aden                       Asia/Thimphu                    Europe/Riga                     Pacific/Wallis
America/Asuncion                America/Mazatlan                Asia/Almaty                     Asia/Tokyo                      Europe/Rome                     UTC

 

거의 대부분의 대륙과 도시를 확인 할수 있습니다.

 

그렇다면 기존의 명령어 뒤에 입력해 주시면 됩니다.

timedatectl set-timezone Asia/Seoul

root@ubuntu:~# timedatectl set-timezone Asia/Seoul
root@ubuntu:~# date
Tue Feb 16 11:02:46 KST 2021
root@ubuntu:~# timedatectl
                      Local time: Tue 2021-02-16 11:02:51 KST
                  Universal time: Tue 2021-02-16 02:02:51 UTC
                        RTC time: Tue 2021-02-16 02:02:51
                       Time zone: Asia/Seoul (KST, +0900)
       System clock synchronized: yes
systemd-timesyncd.service active: yes
                 RTC in local TZ: no
root@ubuntu:~#

 

위와 같이 간단한 방법으로 변경된 시간과 날짜를 확인할 수 있습니다. time zone도 변경되었습니다.

timedatectl set-timezone

 

감사합니다.