The job on Linux was running fine and suddenly stop , with the following errors:
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Installing .NET Core
$ export DOTNET_SKIP_FIRST_TIME_EXPERIENCE=1
$ export DOTNET_CLI_TELEMETRY_OPTOUT=1
7.70s0.49sE: Unable to locate package dotnet-sdk-2.1
E: Couldn’t find any package by glob ‘dotnet-sdk-2.1’
E: Couldn’t find any package by regex ‘dotnet-sdk-2.1’
The command “sudo apt-get install -qq dotnet-sdk-2.1=2.1.502*” failed and exited with 100 during .
Your build has been stopped.
The same job pass in Mac/Os
The cnfiguration is c# and netcore2.1
The .travis.yml is here: