Find out how to check the Ubuntu version. Older Ubuntu versions may not support the timedatectl command.
Set Time, Date Timezone in Ubuntu Older Versions From Command Line Verify the change manually with the timedatectl command.
Set the hardware clock to synchronize with UTC by entering the following command: timedatectl set-local-rtc 0Īs with the previous command, there is no confirmation that the change has applied. You may get an error in this mode, since updating the hardware clock to the local time zone is unsupported.
To have the Real-Time Clock synchronize to your local time zone, enter: timedatectl set-local-rtc 1 Set Hardware Clock to Sync to Local Timezone The system has a tiny quartz crystal and a battery that keeps time when the system disconnects from a network. RTC stands for Real-Time Clock, another name for the hardware clock the computer. They are equivalent terms when fractions of a second are not relevant. We hope this tutorial was enough Helpful.Note: GMT and Zulu Time are often used to refer to UTC. You might want to check the following guides: Your successfully set up or change the timezone on Centos8 from the command line. You can change the timezone by symlinking /etc/localtime to the timezone file in the /usr/share/zoneinfo directory.Ġ1- Identify the timezone you want to configure and create a symlink: $ sudo ln -sf /usr/share/zoneinfo/Europe/Rome /etc/localtimeĠ2- Verify the changes either by listing the /etc/localtime file or issuing the timedatectl or date commands: $ date Method 2./ Changing the Timezone by Creating a Symlink – In this example, we will change the system’s timezone to Europe/Rome like below: $ sudo timedatectl set-timezone Europe/RomeĠ3- Run the timedatectl command to verify the changes: $ timedatectl Method 1./ Changing the Timezone Using the timedatectl CommandĠ1- To list all available time zones, you can either list the files in the /usr/share/zoneinfo directory or use the timedatectl command like below: $ timedatectl list-timezones | grep -i europeĠ2- Once you identify which time zone is accurate to your location, run the following command as sudo user by indicating the your time zone: $ sudo timedatectl set-timezone your_time_zone
– Alternatively, you can also check the current system’s timezone by displaying the contents of the /etc/timezone file. Next DST change: DST ends (the clock jumps one hour backwards) at – In Centos and most other Linux distributions we can use the timedatectl command to display and set the current system’s time and timezone. You’ll need to be logged in as a user with sudo privileges in order to change the system’s timezone. Although, those instructions can be applied also on Centos7. This tutorial demonstrates how to set or change the timezone on Centos8 from the command line.
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