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Ani
Asked: 2015-05-13 03:55:50 +0800 CST

`timedatectl` without `systemd`

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I want to be able to set timezone for Ubuntu hosts, from command line (given in POSIX format). I was searching for options, and found timedatectl from systemd package but since I did not want the entire systemd, but just timedatectl, I downloaded the .deb package and extracted the timedatectl binary, but that expects GLIBC>=2.17, I have GLIBC 2.15 on my Ubuntu 12.04 !

Is there any other utility, which is simple enough to use, that I can install, to set timezone in POSIX format (e.g. EST+10)

12.04

1 Answers

  1. That would not work:

    $ sudo timedatectl set-timezone EST+10
Failed to set time zone: Invalid time zone 'EST+10'

    You'd have to use:

    $ sudo timedatectl set-timezone EST

    In Ubuntu 12.04 you can use this command:

    sudo ln -sf /usr/share/zoneinfo/EST /etc/localtime

    To get EST from EST+10:

    grep -Po "^[A-Z]{3,3}"

    EST+10

    EST is GMT-5, EST+10 is GMT+5

    Therefore you can use:

    sudo ln -sf /usr/share/zoneinfo/Etc/GMT+5 /etc/localtime
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