• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
Gokul Deepak

Gokul Deepak

GoCool and Debug

  • Home
  • WordPress
  • Android
  • How to
  • About Me

Gokul Deepak S

Change Timezone in Ubuntu 20.04 – Simple method

October 12, 2020 by Gokul Deepak S 1 Comment

This method to change timezone works for both Ubuntu 18.04 and Ubuntu 20.04

timedate ctl

Shows the time of server

To change, search for your timezone from the available list and copy the text

timedatectl list-timezones | grep Kolkata

Unlink the present server Timezone

sudo unlink /etc/localtime

Now set the time zone

The syntax for setting the new time zone is as below

sudo ln -s /usr/share/zoneinfo/[zone/timezone] /etc/localtime 

For example sudo ln -s /usr/share/zoneinfo/Asia/Kolkata /etc/localtime

Mission successful

Now check date and time using timedatectl

Filed Under: Ubuntu

Output for timedatectl list-timezones

October 12, 2020 by Gokul Deepak S Leave a Comment

Output for the timedatectl list-timezones. All the list in one place.

You would be seeing a very big list and so will be difficult to sort it out and find your timezone out of it. So I have mentioned all timezone lists in this post.

shortcut to find the timezones from the command itself is timedatectl list-timezones | grep Kolkata

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

Filed Under: Ubuntu

PM2 Cheatsheet – Important Commands

October 12, 2020 by Gokul Deepak S Leave a Comment

PM2 Cheatsheet

Commands Action
pm2 start app.js Start a process
pm2 start app.js -name App1 Start a process with a name
pm2 start app.js -i 0 Start processes with Load Balancing
Commands Action
pm2 list Lists all processes
pm2 jlist
pm2 prettylist
pm2 monit
pm2 reset 0 Resets meta data – Started Time
pm2 updatePM2 Updates PM2 Memory
Commands Action
pm2 log 1 Displays log for the particular process
pm2 flush Empties all PM2 log files
pm2 reloadLogs Reloads all PM2 Logs
Commands Action
pm2 save saves all processes
pm2 start all
pm2 stop all
pm2 restart all
pm2 reload all
pm2 delete all
pm2 start 0 / stop 0 / restart 0 / delete 0

Filed Under: Node JS

MongoDB Terminal commands – Cheatsheet

September 14, 2020 by Gokul Deepak S 2 Comments

Import Mongodb from csv:

All data should be comma separated and each rows are line separated

mongoimport --db dbname --collection colectionname --type csv --file filename.csv --headerline

To Find the Range of dates

db.softwareInventory.find({ date: { $gte: ISODate("2020-10-16T00:00:00.000Z"), $lt: ISODate("2020-10-16T22:47:55.302Z") } })

Filed Under: MongoDB

Ubuntu 20.04 commands for Beginners

September 11, 2020 by Gokul Deepak S Leave a Comment

dateDisplays the current date and time of the system
calDisplays the current month’s calendar
uptimeshows the uptime of the system
whoamicurrent user’s name
userslogged in user name
idcurrent user’s id
who
w
manreference manual of other commands
lsLists Directory
catView whole File at once
moreView File page by page
lessView File page by page (Loads faster than more)
headDisplay first 10 lines of a file
tailDisplay last 10 lines of a file
wc -lCount number of lines in a file

Filed Under: How to

All important PSQL Commands

September 11, 2020 by Gokul Deepak S Leave a Comment

CREATE DATABASE database_name;

GRANT ALL PRIVILEGES ON DATABASE database_name TO user_name;

ALTER DATABASE database_name
OWNER TO new_user;

ALTER DATABASE database_name
RENAME TO new_name;

begin;
rollback;
savepoint point_name;
rollback to point_name; (Then you can commit until the savepoint)
end transaction;
commit; (end transaction and commit both are same)

Filed Under: PostgresQL

  • « Go to Previous Page
  • Go to page 1
  • Go to page 2
  • Go to page 3
  • Go to page 4
  • Interim pages omitted …
  • Go to page 10
  • Go to Next Page »

Primary Sidebar

Popular Pages

  • Home
  • Important Docker Commands to remember
  • How to find the date of the Facebook group it was created
  • How to add ads.txt for Adsense - Simply Explained
  • Can't connect to Ubuntu with SSH
  • Combine two separate files line by line in Notepad++
  • AWS Instance Types
  • How to remove Linux OS in Tamilnadu Government Free Laptop
  • How to add ads.txt on Bluehost
  • Elementor Plugin and Nginx Configuration

Archives

Categories

  • Android
  • Apache
  • AWS
  • Blogger
  • Computer Tips
  • DevOps
  • Docker
  • Earn
  • Facebook Tips
  • Git
  • Google Tips
  • Hosting
  • How to
  • Laptop Tips
  • Laptops
  • Linux
  • Mobile
  • MongoDB
  • Nginx
  • Node JS
  • Notepad++
  • PostgresQL
  • Ubuntu
  • Wordpress
  • Xenforo

Tags

Android Android One AWS Bluehost Comparisions Custom ROM Elementor Facebook Genesis Genesis Sample Theme Google Drive How to Lineage OS Notes OnePlus One OwnCloud Rooting Smartphones Stock ROM Studiopress Tomcat Wordpress plugin

Copyright © 2023 ยท Maintained by GokulDeepak