Greetings Sailors!
Is there a way to limit the speed of the cellular connection?
Right now I do have 150 mbps internet connection over 4G, which I just don’t need near my head, while I’m just using the VoLTE.
10x in advance!
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While I don’t quite understand why you would want that, the classic tool to use under Linux would be wondershaper.
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Many thanks!
Btw. Do I need to compile it from source in order to get it working?
So you believe that a higher data speed would damage your brain more?
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I believe in God.
Anything else is measurable:
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Yeah, let’s not waste time and energy to discuss the irrevelant rationale behind OP’s choice to limit the bandwidth.
There are installation instructions in the repo. First, start by cloning the repo:
git clone https://github.com/magnific0/wondershaper.git
Then continue by installing the make tool:
devel-su
pkcon install make
Switch to wondershaper directory:
cd wondershaper
and still as a root, install:
make install
Then make sure the installation was successful:
which wondershaper
This should return /usr/local/sbin/wondershaper
The user manual is in the repo as well. Note, that I didn’t the test the functionality of this tool, since I don’t personally need it.
EDIT: Stylising
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Many thanks, man (x
I’ve followed your instructions, needed to get git installed additionally. Afterwards I was able to compile it and install it.
I’ve checked the name of the adapter (in my case rmnet_data3 and I get the following after applying the config as shown in the tools manual:
[root@Xperia10III defaultuser]# wondershaper -a rmnet
_data3 -d 16192
RTNETLINK answers: File exists
modprobe: FATAL: Module ifb not found in directory /l
ib/modules/4.19.248
Cannot find device “ifb0”
Cannot find device “ifb0”
bad action parsing
parse_action: bad value (5:mirred)!
Illegal “action”
Cannot find device “ifb0”
Cannot find device “ifb0”
Cannot find device “ifb0”
[root@Xperia10III defaultuser]#
As it seems, I need to debug, what now I just don’t have the time for.
Still - many thanks!
Edit:
rmnet_data3 is the interface I do need to manipulate, right?
Here is my network config:
<<< Network >>>
<< rmnet_ipa0 >>
Interface Name: rmnet_ipa0
<< rmnet_data0 >>
Interface Name: rmnet_data0
IPv6 Address: fe80::xxxx::xxxx::xxxx::xxxx
IPv6 Netmask: ffff:ffff:ffff:ffff::
<< rmnet_data1 >>
Interface Name: rmnet_data1
IPv4 Address: 10.xxx.xxx.xxx
IPv4 Netmask: 255.xxx.xxx.xxx
<< rmnet_data3 >>
Interface Name: rmnet_data3
IPv4 Address: 10.xxx.xxx.xxx
IPv4 Netmask: 255.255.255.xxx
IPv6 Address: fe80:xxxx:xxxx:xxxx
IPv6 Netmask: ffff:ffff:ffff:ffff::
An update shall follow…
Does switching to 3G preferred and to 2G only decreases the intensity of radio waves?
In terms of energy efficiency (and therefore radiated power per data exchanged), the best are in order:
5G
4G
2G
3G
So 5G is the best choice and 3G the worst.
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Really, 3G is better in this case, than 2G? Why, how it is?
No, 3G is worse, the worst of all. The best is 5G. This is due to power efficiency of modulation. 3G was focused on increasing speed at the cost of power, 4G started being power-aware.
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And, coming back to the original request, limiting throughput (‘speed’) on the OS level is not going to make a difference wrt. ‘power’ of the transmitted waves.
It may, in the contextof “electrosmog” cause more of it as you have to transmit longer.
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So it is some sort of EMF tinfoilhattery driving this?
Sheesh.
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youtu.be/lHzeLvx3kmg?si=TT6CdeNLYkqhykID
I prefer to trust machines more than humans sometimes, since machines don’t have “opinions” on tin foil hats. (;
Btw. The emited RF electro-magnetic fields (controlled by the existing SAR-regulations) and energy efficiency of the communication module of any phone, are two completely different things.
Here some popular knowledge on NON-ionizing radiation emited by phones and why it’s better to keep 'em away from your body:
youtu.be/xxzqoj3yaAc?si=_7sxIvLJOUa2al63
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