When we use self-hosted Azure pipeline agents, we may encounter the below issue during the build process. This is not a hard issue to troubleshoot. The reason is there in the error message.
Error processing tar file(exit status 1): open /root/.local/share/NuGet/v3-cache/670c1461c29885f9aa22c281d8b7da90845b38e4$ps:_api.nuget.org_v3_index.json/nupkg_system.reflection.metadata.1.4.2.dat: no space left on device
This is known in the industry as a whoopsie-doops. Click through to see what you can do to resolve the problem.