With /etc/localtime, you change the time zone by creating a symbolic link to a binary file that has the same name as the time zone in the /usr/share/zoneinfo directory. Open Date & Time settings by searching for time from an Activities menu. You'll need to use sudo because the root user owns the file.įor example, to edit it with vim: sudo vim /etc/timezone Change Timezone using GUI Open Date & Time settings. To change the time zone using /etc/timezone, you'd edit it with any text editor and place the time zone name you got earlier in that file. To find out which files you use on your system, consult your distribution's documentation. I have to run the following command every time when the system is rebooted, in order to get boot time log level changed to level 3: cat /proc/sys/kernel/printk 7 4 1 7 echo '7 4 1 3'> /proc/sys/. Let’s search for Settings in the Application menu: Alternatively, we can also right-click on the desktop and then select settings in the selection menu: After clicking on Settings, the Settings window will appear and we can click the Date. You can use the -date command to display the given date string in the format of a date. We can also change the current system timezone using the GUI of our Linux-based system. For example, we can type in the following command: date -d ' 09:10:15'. The -d option allows users to operate on a specific date. These files are usually set at installation, but you can change them afterward. By default, the date command is set to the time zone of the operating system. Which file you'll use depends on which system you're running.ĭebian and Ubuntu systems use the former.

If you want to make system-wide changes to the time zone, such as for a desktop system or a laptop that stays in one location, you can use the /etc/timezone and /etc/localtime files.

Permanently change timezone linux