Verificar a causa de erros com hash sums incorretos nos repositórios do ubuntu
Log do erro:
admin@LE-WZD4:~$ sudo apt-get update
Atingido:1 http://br.archive.ubuntu.com/ubuntu xenial InRelease
Atingido:4 http://repo.c3sl.ufpr.br/le6 testing InRelease
Obter:2 http://br.archive.ubuntu.com/ubuntu xenial-updates InRelease [102 kB]
Obter:3 http://br.archive.ubuntu.com/ubuntu xenial-backports InRelease [102 kB]
Atingido:5 http://security.ubuntu.com/ubuntu xenial-security InRelease
Obter:6 http://br.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages [616 kB]
Obter:7 http://br.archive.ubuntu.com/ubuntu xenial-updates/main i386 Packages [593 kB]
Obter:8 http://br.archive.ubuntu.com/ubuntu xenial-updates/main Translation-en [249 kB]
Ign:9 http://br.archive.ubuntu.com/ubuntu xenial-updates/main amd64 DEP-11 Metadata
Ign:10 http://br.archive.ubuntu.com/ubuntu xenial-updates/main DEP-11 64x64 Icons
Obter:11 http://br.archive.ubuntu.com/ubuntu xenial-updates/universe amd64 Packages [515 kB]
Obter:12 http://br.archive.ubuntu.com/ubuntu xenial-updates/universe i386 Packages [496 kB]
Obter:13 http://br.archive.ubuntu.com/ubuntu xenial-updates/universe Translation-en [201 kB]
Ign:14 http://br.archive.ubuntu.com/ubuntu xenial-updates/universe amd64 DEP-11 Metadata
Ign:15 http://br.archive.ubuntu.com/ubuntu xenial-updates/universe DEP-11 64x64 Icons
Ign:16 http://br.archive.ubuntu.com/ubuntu xenial-updates/multiverse amd64 DEP-11 Metadata
Ign:17 http://br.archive.ubuntu.com/ubuntu xenial-backports/main amd64 DEP-11 Metadata
Ign:18 http://br.archive.ubuntu.com/ubuntu xenial-backports/universe amd64 DEP-11 Metadata
Obter:9 http://br.archive.ubuntu.com/ubuntu xenial-updates/main amd64 DEP-11 Metadata [305 kB]
Ign:9 http://br.archive.ubuntu.com/ubuntu xenial-updates/main amd64 DEP-11 Metadata
Obter:10 http://br.archive.ubuntu.com/ubuntu xenial-updates/main DEP-11 64x64 Icons [207 kB]
Err:10 http://br.archive.ubuntu.com/ubuntu xenial-updates/main DEP-11 64x64 Icons
Hash Sum incorreto
Obter:14 http://br.archive.ubuntu.com/ubuntu xenial-updates/universe amd64 DEP-11 Metadata [170 kB]
Err:14 http://br.archive.ubuntu.com/ubuntu xenial-updates/universe amd64 DEP-11 Metadata
Obter:15 http://br.archive.ubuntu.com/ubuntu xenial-updates/universe DEP-11 64x64 Icons [215 kB] Err:15 http://br.archive.ubuntu.com/ubuntu xenial-updates/universe DEP-11 64x64 Icons
Obter:16 http://br.archive.ubuntu.com/ubuntu xenial-updates/multiverse amd64 DEP-11 Metadata [5.888 B] Err:16 http://br.archive.ubuntu.com/ubuntu xenial-updates/multiverse amd64 DEP-11 Metadata
Obter:17 http://br.archive.ubuntu.com/ubuntu xenial-backports/main amd64 DEP-11 Metadata [3.324 B] Err:17 http://br.archive.ubuntu.com/ubuntu xenial-backports/main amd64 DEP-11 Metadata Hash Sum incorreto Obter:18 http://br.archive.ubuntu.com/ubuntu xenial-backports/universe amd64 DEP-11 Metadata [5.136 B] Err:18 http://br.archive.ubuntu.com/ubuntu xenial-backports/universe amd64 DEP-11 Metadata
Obter:9 http://br.archive.ubuntu.com/ubuntu xenial-updates/main amd64 DEP-11 Metadata [475 kB] Err:9 http://br.archive.ubuntu.com/ubuntu xenial-updates/main amd64 DEP-11 Metadata
Baixados 1.288 kB em 1s (956 kB/s)
Lendo listas de pacotes... Pronto
E: Falhou ao buscar http://br.archive.ubuntu.com/ubuntu/dists/xenial-updates/main/dep11/Components-amd64.yml.gz
E: Falhou ao buscar http://br.archive.ubuntu.com/ubuntu/dists/xenial-updates/main/dep11/icons-64x64.tar.gz Hash Sum incorreto
E: Falhou ao buscar http://br.archive.ubuntu.com/ubuntu/dists/xenial-updates/universe/dep11/Components-amd64.yml.xz
E: Falhou ao buscar http://br.archive.ubuntu.com/ubuntu/dists/xenial-updates/universe/dep11/icons-64x64.tar.gz
E: Falhou ao buscar http://br.archive.ubuntu.com/ubuntu/dists/xenial-updates/multiverse/dep11/Components-amd64.yml.xz
E: Falhou ao buscar http://br.archive.ubuntu.com/ubuntu/dists/xenial-backports/main/dep11/Components-amd64.yml.xz Hash Sum incorreto
E: Falhou ao buscar http://br.archive.ubuntu.com/ubuntu/dists/xenial-backports/universe/dep11/Components-amd64.yml.xz
E: Falhou o download de alguns ficheiros de índice. Foram ignorados ou os antigos foram usados em seu lugar.