perl -pi -e 's|stretch|buster|g' sources.list
cd sources.list.d
perl -pi -e 's|stretch|buster|g' google-cloud.list perl -pi -e 's|stretch|buster|g' backports.list perl -pi -e 's|stretch|buster|g' gitlab_gitlab-ee.list perl -pi -e 's|stretch|buster|g' google-cloud-monitoring.list perl -pi -e 's|stretch|buster|g' runner_gitlab-runner.list