Solving Setting Locale Failed Error in Debian Servers

When running a Debian server, sometimes users run into the error ”Setting locale failed”. This error typically occurs during the installation of an application or when switching to a new locale after application installation. In this blog post, we will discuss what causes this error and how to fix it.

What is “Setting Locale Failed”?

Before we discuss how to resolve this error, let’s look at what it means. ”Setting locale failed” occurs when the local environment isn’t set up properly. This can occur when setting a new locale after an application has been installed, or if the local configuration of a server is missing or incorrect.

Generally, this error can be fixed by running an update on the local configuration settings or by setting up a new locale.

Resolving “Setting Locale Failed” Using Screen

The best way to resolve this error is by using screen. Screen is a command line utility that allows you to work with multiple virtual terminal sessions. This is extremely useful for setting up a new locale or updating the local configuration.

Here’s how to use screen to resolve the ” Setting locale failed” error:

  1. Open a terminal window in your Debian server.
  2. Run the command screen to open the screen environment.
  3. Switch to a new locale with the command export LANG=en_US.UTF-8.
  4. Run the command dpkg-reconfigure locales to update the local configuration.
  5. If you’re setting up a new locale, you can run the command locale-gen to generate it.
  6. Exit the screen environment with the command exit.
  7. Run the command source /etc/environment to refresh the environment.

After applying these steps, ”Setting locale failed” error should be resolved and the local system configuration should be properly set up.


We hope this blog post has been helpful in understanding what the ”Setting locale failed” error is and how it can be resolved using Screen. If you ever run into this error again, remember to run the commands above and it should be resolved in no time.

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