W: Duplicate sources.list entry ftp://ftp.es.debian.org/debian/
testing/main amd64 Packages
(/var/lib/apt/lists/ftp.es.debian.org_debian_dists_testing_main_binary-amd64_Packages)
W: Duplicate sources.list entry ftp://ftp.es.debian.org/debian/
testing/contrib amd64 Packages
(/var/lib/apt/lists/ftp.es.debian.org_debian_dists_testing_contrib_binary-amd64_Packages)
W: Duplicate sources.list entry ftp://ftp.es.debian.org/debian/
testing/non-free amd64 Packages
(/var/lib/apt/lists/ftp.es.debian.org_debian_dists_testing_non-free_binary-amd64_Packages)
W: Duplicate sources.list entry ftp://ftp.es.debian.org/debian/
testing/non-free amd64 Packages
(/var/lib/apt/lists/ftp.es.debian.org_debian_dists_testing_non-free_binary-amd64_Packages)
W: You may want to run apt-get update to correct these problems
W: Failed to fetch ftp://ftp.es.debian.org/debian/dists/testing/Release
Unable to find expected entry 'deb-src/binary-amd64/Packages' in Release
file (Wrong sources.list entry or malformeā¦
E: Some index files failed to download. They have been ignored, or old
ones used instead.
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource
temporarily unavailable)