Ubuntu
apt package

Apt-get very slow. Perhaps because of a high latency of the connection.

Asked by Manuel Masiello

Hello,

I have a really annoying problem with Apt-get.

I install Ubuntu on a PC and Raspbian on a Rapberry Pi and the "apt-get update" or "apt-get install ...." command is extremely slow or never finished. I tried to mirror or disable IPv6 but it does not change anything.

Yesterday, I wanted to install packages from Nvidia's servers but it took a lot of time.
Surprisingly, if I use the wget command on the Url of the package, the download is done at a good speed.
I tested my installation of Ubuntu on an ADSL connection and the rate of flow is normal.

I think the problem is related to the high latency of my internet connection. Indeed, I use a satellite connection.

Are there options to solve this problem?

Thx

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actionparsnip (andrew-woodhead666) said : 		#1

You could try apt-fast as an alternative
You could also switch to a package source nearer to yourself

What is the output of:

lsb_release -a; uname -a

Thanks

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Manuel Masiello (numael) said : 		#2

Hello Andrew,

Thank you for your reply.

- Yesterday I tried to install apt-fast but the repository was not accessible. I will be retesting tonight (UTC+2).

- About the mirror change: I've changed the repository several times and the problems persist. I insist that files are normally accessible with wget while Apt-get is very slow. Apt-get uses HTTP as wget. If it was a flow problem, I should have the problem too with wget.

- I will send commands "lsb_release -a; uname -a" when I go home. But, for information, my version of Ubuntu is 18.10 and I had the same problem with Raspbian.

Another information that may be useful: The problem also exists when I use "apt-get update" from the USB boot. This is not a problem of configuration file of the tool.

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Manfred Hampl (m-hampl) said : 		#3

A suggestion for maybe solving "half" of the problem:

Update the repository information (with apt update or from inside synaptic, probably as slow as before)
Start synaptic, select the packages to upgrade/install and create a download script.
"cd" to an empty directory and execute the download script (this might be fast(er), because there are wget commands)
In Synaptic load and install the downloaded packages.
https://help.ubuntu.com/community/Synaptic/PackageDownloadScript

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Manuel Masiello (numael) said : 		#4

Hello Manfred,
Thank you for your reply.

I think rather use "apt-fast". Yesterday I was finally able to install apt-fast using an ADSL connection. But for the moment, I could not check if apt-fast works on the satellite connection.

In fact, I am not really looking for a substitute for apt-get but to understand why it does not work and how to make apt-get work normally. If I use other tools, I lose the interest of installing a Debian . Moreover, if the solution of my problems can become a fix, the whole community will benefit.

Can you help with this problem?

Provide an answer of your own, or ask Manuel Masiello for more information if necessary.

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