Você pode usar
sudo rm /var/lib/apt/lists/*
para remover todas as listas e
sudo apt-get update
para baixar as listas novamente
Hit:1 http://si.archive.ubuntu.com/ubuntu artful InRelease
Hit:2 http:// si.archive.ubuntu.com/ubuntu artful-updates InRelease
Hit:3 http:// si.archive.ubuntu.com/ubuntu artful-backports InRelease
Hit:4 http:// download.virtualbox.org/virtualbox/debian xenial InRelease
Err:3 http:// si.archive.ubuntu.com/ubuntu artful-backports InRelease
Splitting up /var/lib/apt/lists/si.archive.ubuntu.com_ubuntu_dists_artful-backports_InRelease into data and signature failed
Hit:5 https:// updates.signal.org/desktop/apt xenial InRelease
Get:6 http:// security.ubuntu.com/ubuntu artful-security InRelease [78,6 kB]
Hit:7 http:// security.ubuntu.com/ubuntu artful-security/main amd64 Packages
Ign:7 http:// security.ubuntu.com/ubuntu artful-security/main amd64 Packages
Hit:8 http:// security.ubuntu.com/ubuntu artful-security/main i386 Packages
Hit:9 http:// security.ubuntu.com/ubuntu artful-security/main Translation-en
Hit:10 http:// security.ubuntu.com/ubuntu artful-security/main amd64 DEP-11 Metadata
Hit:11 http:// security.ubuntu.com/ubuntu artful-security/main DEP-11 64x64 Icons
Hit:12 http:// security.ubuntu.com/ubuntu artful-security/universe i386 Packages
Hit:13 http:// security.ubuntu.com/ubuntu artful-security/universe amd64 Packages
Hit:14 http:// security.ubuntu.com/ubuntu artful-security/universe Translation-en
Hit:15 http:// security.ubuntu.com/ubuntu artful-security/universe amd64 DEP-11 Metadata
Hit:16 http:// security.ubuntu.com/ubuntu artful-security/universe DEP-11 64x64 Icons
Hit:17 http:// security.ubuntu.com/ubuntu artful-security/multiverse i386 Packages
Ign:8 http:// security.ubuntu.com/ubuntu artful-security/main i386 Packages
Ign:9 http:// security.ubuntu.com/ubuntu artful-security/main Translation-en
Ign:10 http:// security.ubuntu.com/ubuntu artful-security/main amd64 DEP-11 Metadata
Ign:12 http:// security.ubuntu.com/ubuntu artful-security/universe i386 Packages
Ign:13 http:// security.ubuntu.com/ubuntu artful-security/universe amd64 Packages
Ign:14 http:// security.ubuntu.com/ubuntu artful-security/universe Translation-en
Ign:15 http:// security.ubuntu.com/ubuntu artful-security/universe amd64 DEP-11 Metadata
Ign:17 http:// security.ubuntu.com/ubuntu artful-security/multiverse i386 Packages
Hit:18 http:// security.ubuntu.com/ubuntu artful-security/multiverse amd64 Packages
Hit:19 http:// security.ubuntu.com/ubuntu artful-security/multiverse Translation-en
Ign:7 http:// security.ubuntu.com/ubuntu artful-security/main amd64 Packages
Ign:18 http:// security.ubuntu.com/ubuntu artful-security/multiverse amd64 Packages
Ign:19 http:// security.ubuntu.com/ubuntu artful-security/multiverse Translation-en
Ign:8 http:// security.ubuntu.com/ubuntu artful-security/main i386 Packages
Ign:9 http:// security.ubuntu.com/ubuntu artful-security/main Translation-en
Hit:10 http:// security.ubuntu.com/ubuntu artful-security/main amd64 DEP-11 Metadata
Ign:12 http:// security.ubuntu.com/ubuntu artful-security/universe i386 Packages
Ign:10 http:// security.ubuntu.com/ubuntu artful-security/main amd64 DEP-11 Metadata
Ign:13 http:// security.ubuntu.com/ubuntu artful-security/universe amd64 Packages
Ign:14 http:// security.ubuntu.com/ubuntu artful-security/universe Translation-en
Hit:15 http:// security.ubuntu.com/ubuntu artful-security/universe amd64 DEP-11 Metadata
Ign:17 http:// security.ubuntu.com/ubuntu artful-security/multiverse i386 Packages
Ign:15 http:// security.ubuntu.com/ubuntu artful-security/universe amd64 DEP-11 Metadata
Get:7 http:// security.ubuntu.com/ubuntu artful-security/main amd64 Packages [72,5 kB]
Ign:18 http:// security.ubuntu.com/ubuntu artful-security/multiverse amd64 Packages
Ign:19 http:// security.ubuntu.com/ubuntu artful-security/multiverse Translation-en
Get:8 http:// security.ubuntu.com/ubuntu artful-security/main i386 Packages [71,1 kB]
Get:9 http:// security.ubuntu.com/ubuntu artful-security/main Translation-en [33,2 kB]
Get:12 http:// security.ubuntu.com/ubuntu artful-security/universe i386 Packages [20,5 kB]
Hit:10 http:// security.ubuntu.com/ubuntu artful-security/main amd64 DEP-11 Metadata
Get:13 http:// security.ubuntu.com/ubuntu artful-security/universe amd64 Packages [20,5 kB]
Ign:10 http:// security.ubuntu.com/ubuntu artful-security/main amd64 DEP-11 Metadata
Get:14 http:// security.ubuntu.com/ubuntu artful-security/universe Translation-en [12,5 kB]
Get:17 http:// security.ubuntu.com/ubuntu artful-security/multiverse i386 Packages [1257 B]
Hit:15 http:// security.ubuntu.com/ubuntu artful-security/universe amd64 DEP-11 Metadata
Get:18 http:// security.ubuntu.com/ubuntu artful-security/multiverse amd64 Packages [1075 B]
Get:19 http:// security.ubuntu.com/ubuntu artful-security/multiverse Translation-en [644 B]
Ign:15 http:// security.ubuntu.com/ubuntu artful-security/universe amd64 DEP-11 Metadata
Err:10 http:// security.ubuntu.com/ubuntu artful-security/main amd64 DEP-11 Metadata
Empty files can't be valid archives
Ign:15 http:// security.ubuntu.com/ubuntu artful-security/universe amd64 DEP-11 Metadata
Fetched 78,6 kB in 2s (27,0 kB/s)
Reading package lists... Error!
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://si.archive.ubuntu.com/ubuntu artful-backports InRelease: Splitting up /var/lib/apt/lists/si.archive.ubuntu.com_ubuntu_dists_artful-backports_InRelease into data and signature failed
W: Failed to fetch http://si.archive.ubuntu.com/ubuntu/dists/artful-backports/InRelease Splitting up /var/lib/apt/lists/si.archive.ubuntu.com_ubuntu_dists_artful-backports_InRelease into data and signature failed
E: Failed to fetch http://security.ubuntu.com/ubuntu/dists/artful-security/main/dep11/Components-amd64.yml Empty files can't be valid archives
W: Some index files failed to download. They have been ignored, or old ones used instead.
E: Splitting of file /var/lib/apt/lists/si.archive.ubuntu.com_ubuntu_dists_artful-backports_InRelease failed as it doesn't contain all expected parts 0 1 0
E: The package lists or status file could not be parsed or opened.
Isso é o que estou vendo quando tento executar sudo apt-get update
. Eu não usei computador por 1 mês.
Você pode usar
sudo rm /var/lib/apt/lists/*
para remover todas as listas e
sudo apt-get update
para baixar as listas novamente