https://community.intel.com/t5/GPU-Compute-Software/Public-key-not-available-NO-PUBKEY-28DA432DAAC8BAEA/m-p/1653755#M1690 <P>I am having an issue a while now when trying to apt update:</P><P>&nbsp;</P><P>W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: <A href="https://repositories.intel.com/gpu/ubuntu" target="_blank">https://repositories.intel.com/gpu/ubuntu</A> jammy/lts/2350 InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 28DA432DAAC8BAEA</P><P>W: Failed to fetch <A href="https://repositories.intel.com/gpu/ubuntu/dists/jammy/lts/2350/InRelease" target="_blank">https://repositories.intel.com/gpu/ubuntu/dists/jammy/lts/2350/InRelease</A> The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 28DA432DAAC8BAEA</P><P>My laptop is:</P><P>Lenovo ThinkPad P14s Gen 3</P><P>My ubuntu is:</P><P>Ubuntu 22.04.5 LTS (in the about page)</P><P>ThinkPad-P14s-Gen-3 6.8.0-50-generic #51~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Nov 21 12:03:03 UTC 2 x86_64 x86_64 x86_64 GNU/Linux (running uname -ar)</P><P>and my cpu is:</P><P>12th Gen Intel(R) Core(TM) i7-1260P</P><P>I am also attaching my sources.list</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="kosniphys_0-1735827835698.png" style="width: 400px;"><img src="https://community.intel.com/t5/image/serverpage/image-id/61492i73E4405DE42AF968/image-size/medium/is-moderation-mode/true?v=v2&amp;px=400&amp;whitelist-exif-data=Orientation%2CResolution%2COriginalDefaultFinalSize%2CCopyright" role="button" title="kosniphys_0-1735827835698.png" alt="kosniphys_0-1735827835698.png" /></span></P><P>with the intel-gpu-jammy.list having:</P><P>deb [arch=amd64 signed-by=/usr/share/keyrings/intel-graphics.gpg] <A href="https://repositories.intel.com/gpu/ubuntu" target="_blank">https://repositories.intel.com/gpu/ubuntu</A> jammy/lts/2350 unified</P><P>&nbsp;</P><P>Any help please?</P> Thu, 02 Jan 2025 14:26:16 GMT kosniphys 2025-01-02T14:26:16Z https://community.intel.com/t5/GPU-Compute-Software/Public-key-not-available-NO-PUBKEY-28DA432DAAC8BAEA/m-p/1653755#M1690 <P>I am having an issue a while now when trying to apt update:</P><P>&nbsp;</P><P>W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: <A href="https://repositories.intel.com/gpu/ubuntu" target="_blank">https://repositories.intel.com/gpu/ubuntu</A> jammy/lts/2350 InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 28DA432DAAC8BAEA</P><P>W: Failed to fetch <A href="https://repositories.intel.com/gpu/ubuntu/dists/jammy/lts/2350/InRelease" target="_blank">https://repositories.intel.com/gpu/ubuntu/dists/jammy/lts/2350/InRelease</A> The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 28DA432DAAC8BAEA</P><P>My laptop is:</P><P>Lenovo ThinkPad P14s Gen 3</P><P>My ubuntu is:</P><P>Ubuntu 22.04.5 LTS (in the about page)</P><P>ThinkPad-P14s-Gen-3 6.8.0-50-generic #51~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Nov 21 12:03:03 UTC 2 x86_64 x86_64 x86_64 GNU/Linux (running uname -ar)</P><P>and my cpu is:</P><P>12th Gen Intel(R) Core(TM) i7-1260P</P><P>I am also attaching my sources.list</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="kosniphys_0-1735827835698.png" style="width: 400px;"><img src="https://community.intel.com/t5/image/serverpage/image-id/61492i73E4405DE42AF968/image-size/medium/is-moderation-mode/true?v=v2&amp;px=400&amp;whitelist-exif-data=Orientation%2CResolution%2COriginalDefaultFinalSize%2CCopyright" role="button" title="kosniphys_0-1735827835698.png" alt="kosniphys_0-1735827835698.png" /></span></P><P>with the intel-gpu-jammy.list having:</P><P>deb [arch=amd64 signed-by=/usr/share/keyrings/intel-graphics.gpg] <A href="https://repositories.intel.com/gpu/ubuntu" target="_blank">https://repositories.intel.com/gpu/ubuntu</A> jammy/lts/2350 unified</P><P>&nbsp;</P><P>Any help please?</P> Thu, 02 Jan 2025 14:26:16 GMT https://community.intel.com/t5/GPU-Compute-Software/Public-key-not-available-NO-PUBKEY-28DA432DAAC8BAEA/m-p/1653755#M1690 kosniphys 2025-01-02T14:26:16Z