- May 17, 2023
- Posted by: Surender Kumar
- Category: Kali Linux
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The following signatures were invalid: EXPKEYSIG ED444FF07D8D0BF6 Kali Linux Repository <[email protected]>
Recently, I decided to upgrade my Kali Linux but the apt update command returned the following error:
The following signatures were invalid: EXPKEYSIG ED444FF07D8D0BF6 Kali Linux Repository <[email protected]>
How to fix this error
To fix this error, follow these steps:
- Visit this page and download the
.deb
package as shown in the screenshot below. If you want to download directly via terminal, simply copy the package link.
- Now open terminal, navigate to the directory where you downloaded the package. If you copied the link, use the
wget
command to download and install it withdpkg -i
command as shown below:wget https://http.kali.org/kali/pool/main/k/kali-archive-keyring/kali-archive-keyring_2022.1_all.deb sudo dpkg -i kali-archive-keyring_2022.1_all.deb
- Once installed, you can go ahead and upgrade your Kali Linux.
sudo apt update sudo apt full-upgrade -y
The error should now be gone and you will be able to upgrade your Kali Linux without any problem.