> Hi,
> 
> when I am using the laptop a long time, several hours, also in cases 
> when I take a brake of some minutes
> the internet connection freezes
> and there is no way to get it back,
> even restarting icedove or icecat.
> The only possibility is to restart the laptop.
> 
> Is there a command to restart the internet connection,
> so that I don’t have to restart the laptop?

Is your system using NetworkManager service or is the networking
configured statically? In case of the former (which is a typical setup
for casual desktop users), what desktop environment are you using? Does
it provide some frontend for NetworkManager with which network
connections can be configures? I think all the bigger, user-friendly
desktop environments do so by default. The gui for configuring
connections is commonly available by clicking on its icon somewhere.

Some desktops (also depending on how they were packaged) might leave
such networking gui for the user to set up, tho.

Anyway, if you just want to restart the *thing* responsible for
managing connections, you can try `sudo herd restart network-manager`.

Note: I'm mostly using Guix on a foreign distro hence I might be
missing something in what I wrote


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On Tue, 11 Apr 2023 15:33:38 +0000
Gottfried <gottfried@posteo.de> wrote:

> Hi,
> 
> when I am using the laptop a long time, several hours, also in cases 
> when I take a brake of some minutes
> the internet connection freezes
> and there is no way to get it back,
> even restarting icedove or icecat.
> The only possibility is to restart the laptop.
> 
> Is there a command to restart the internet connection,
> so that I don’t have to restart the laptop?