5 tips to fix slow apt-get update or upgrade on Kali Linux

Every Kali Linux user have faced slower internet speed's problem in apt-get update or apt-get upgrade or apt-get install with the official repository. Using unofficial repository is not safe for a user, we strongly recommended to use the official repository but it is very slow, it took hours to archive a major update or download a bigger tool, then How we can fix the slow apt-get update or upgrade in Kali Linux ?

fix slow apt-get update or upgrade on Kali Linux

In this tutorial we are going to cover the ways how we can fix apt-get update or upgrade on our Kali Linux system.

  1.  Good internet speed.

    If we want a fast update then the first thing we need to check that we are using high speed internet. If our internet is slow then we simply can't update Kali with good speed.
  2.  Choose a proper DNS server

    Check for Domain Name Server by using following command :

    leafpad /etc/resolv.conf
    This command will open a window like following:

    kali default DNS

    Here we will add Google's Domain Name Server
    This will look like following:

    Google's name server

    Then we can save and close the config file.

    Then we can clean by using following command:

    apt-get clean
  3. Check the right repository.

    We should check our repository by using following command:

    leafpad /etc/apt/sources.list
     The screenshot of the command is following:

    kali linux official repository

     This server is usually overloaded by the users. But we should not try unofficial repositories that may break our Kali Linux system.
  4.  Download via the http secure protocol

    We need to install a tool called apt-transport-https by using following command in our Kali Linux system:
    apt-get install apt-transport-https -y
    This is a very small tool with 149kb size. So it will install in some second.
  5. Then we open the sources.list file in leafpad located at /etc/apt/sources.list
    We need to change the first http to https like following screenshot:
http to https
    Then we save and close it, and run apt update command to update the repository. Then we can check the internet speed of downloading big tools or upgrading system we're sure that the speed will increase.

5.    Changing the HTTP

       We use this method if the other methods are not working. In this method we 
       open the sources.list file from the /etc/apt/ using following command:

leafpad /etc/apt/sources.list
And then we change the second http to repo as seen in following screenshot:

Then save and close it. This change will boost the speed and make you happy.

These tricks should should help every user. So don't forget to comment and follow us to stay updated. Now we are also available in Twitter, we publish our tutorials there also follow us to stay tuned.
5 tips to fix slow apt-get update or upgrade on Kali Linux 5 tips to fix slow apt-get update or upgrade on Kali Linux Reviewed by Kali Linux on December 11, 2019 Rating: 5


  1. it does'nt work.The detail are below
    Err:1 http://repo.kali.org/kali kali-rolling InRelease
    403 Forbidden [IP: 80]
    Reading package lists... Done
    E: Failed to fetch http://repo.kali.org/kali/dists/kali-rolling/InRelease 403 Forbidden [IP: 80]
    E: The repository 'http://repo.kali.org/kali kali-rolling InRelease' is not signed.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.


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