Eu não sou um usuário muito avançado do Ubuntu. Então a pergunta pode parecer um pouco ingênua.
Eu tenho recentemente um novo laptop: HP Probook G3 440. Eu tentei instalar muitas versões anteriores do Ubuntu. Eles se deparam com um monte de problemas de driver. Então acabei baixando o Ubuntu 16.04, já que esta é a única versão que lida com os problemas do driver de maneira apropriada.
Mas estou enfrentando dificuldades para instalar aplicativos importantes como "navegador chromium" e "synaptic". Sempre que eu dou o comando de instalação / "sudo apt-get update" no terminal, ele acaba dizendo "Incompatibilidade de soma de hash" para muitos pacotes. Eu tentei esta solução . Mas isso não funciona. O terminal ainda retorna a mesma mensagem.
Isso é o que recebo quando executo sudo apt-get update .
Get:1 http://security.ubuntu.com/ubuntu xenial-security InRelease [93.3 kB]
Get:2 http://us.archive.ubuntu.com/ubuntu xenial InRelease [247 kB]
Get:3 http://security.ubuntu.com/ubuntu xenial-security/main i386 Packages [46.4 kB]
Get:4 http://security.ubuntu.com/ubuntu xenial-security/main Translation-en [17.9 kB]
Err:4 http://security.ubuntu.com/ubuntu xenial-security/main Translation-en
Hash Sum mismatch
Get:5 http://us.archive.ubuntu.com/ubuntu xenial-updates InRelease [94.5 kB]
Get:6 http://security.ubuntu.com/ubuntu xenial-security/main i386 DEP-11 Metadata [4,811 B]
Get:7 http://security.ubuntu.com/ubuntu xenial-security/main DEP-11 64x64 Icons [17.1 kB]
Get:8 http://security.ubuntu.com/ubuntu xenial-security/restricted i386 DEP-11 Metadata [157 B]
Get:9 http://us.archive.ubuntu.com/ubuntu xenial-backports InRelease [82.2 kB]
0% [9 InRelease gpgv 77.9 kB] [Connecting to us.archive.ubuntu.com (91.189.91.26)] [WaiSplitting up /var/lib/apt/lists/partial/us.archive.ubuntu.com_ubuntu_dists_xenial-backporErr:9 http://us.archive.ubuntu.com/ubuntu xenial-backports InRelease
Clearsigned file isn't valid, got 'NODATA' (does the network require authentication?)
Get:10 http://security.ubuntu.com/ubuntu xenial-security/universe i386 Packages [6,068 B]
Get:11 http://security.ubuntu.com/ubuntu xenial-security/universe Translation-en [5,212 B]
Get:12 http://security.ubuntu.com/ubuntu xenial-security/universe i386 DEP-11 Metadata [197 B]
Get:13 http://security.ubuntu.com/ubuntu xenial-security/multiverse i386 Packages [64 B]
Get:14 http://security.ubuntu.com/ubuntu xenial-security/multiverse Translation-en [64 B]
Get:15 http://security.ubuntu.com/ubuntu xenial-security/multiverse i386 DEP-11 Metadata [158 B]
Get:16 http://us.archive.ubuntu.com/ubuntu xenial/main i386 Packages [1,196 kB]
Err:16 http://us.archive.ubuntu.com/ubuntu xenial/main i386 Packages
Hash Sum mismatch
Get:17 http://us.archive.ubuntu.com/ubuntu xenial/main Translation-en [568 kB]
Err:17 http://us.archive.ubuntu.com/ubuntu xenial/main Translation-en
Hash Sum mismatch
Get:18 http://us.archive.ubuntu.com/ubuntu xenial/main i386 DEP-11 Metadata [733 kB]
Get:19 http://us.archive.ubuntu.com/ubuntu xenial/main DEP-11 64x64 Icons [409 kB]
Err:19 http://us.archive.ubuntu.com/ubuntu xenial/main DEP-11 64x64 Icons
Hash Sum mismatch
Get:20 http://us.archive.ubuntu.com/ubuntu xenial/restricted i386 Packages [8,684 B]
Get:21 http://us.archive.ubuntu.com/ubuntu xenial/restricted Translation-en [2,908 B]
Get:22 http://us.archive.ubuntu.com/ubuntu xenial/restricted i386 DEP-11 Metadata [185 B]
Get:23 http://us.archive.ubuntu.com/ubuntu xenial/universe i386 Packages [7,512 kB]
Err:23 http://us.archive.ubuntu.com/ubuntu xenial/universe i386 Packages
Hash Sum mismatch
Get:24 http://us.archive.ubuntu.com/ubuntu xenial/universe Translation-en [4,354 kB]
Err:24 http://us.archive.ubuntu.com/ubuntu xenial/universe Translation-en
Hash Sum mismatch
Get:25 http://us.archive.ubuntu.com/ubuntu xenial/universe i386 DEP-11 Metadata [3,407 kB]
Err:25 http://us.archive.ubuntu.com/ubuntu xenial/universe i386 DEP-11 Metadata
Hash Sum mismatch
Get:26 http://us.archive.ubuntu.com/ubuntu xenial/universe DEP-11 64x64 Icons [7,448 kB]
Get:27 http://us.archive.ubuntu.com/ubuntu xenial-updates/main i386 Packages [62.2 kB]
Err:27 http://us.archive.ubuntu.com/ubuntu xenial-updates/main i386 Packages
Hash Sum mismatch
Get:28 http://us.archive.ubuntu.com/ubuntu xenial-updates/main Translation-en [25.9 kB]
Err:28 http://us.archive.ubuntu.com/ubuntu xenial-updates/main Translation-en
Hash Sum mismatch
Get:29 http://us.archive.ubuntu.com/ubuntu xenial-updates/main i386 DEP-11 Metadata [18.6 kB]
Err:29 http://us.archive.ubuntu.com/ubuntu xenial-updates/main i386 DEP-11 Metadata
Hash Sum mismatch
Get:30 http://us.archive.ubuntu.com/ubuntu xenial-updates/main DEP-11 64x64 Icons [32.2 kB]
Get:31 http://us.archive.ubuntu.com/ubuntu xenial-updates/restricted i386 Packages [64 B]
Get:32 http://us.archive.ubuntu.com/ubuntu xenial-updates/restricted Translation-en [64 B]
Get:33 http://us.archive.ubuntu.com/ubuntu xenial-updates/restricted i386 DEP-11 Metadata [156 B]
Get:34 http://us.archive.ubuntu.com/ubuntu xenial-updates/universe i386 Packages [15.0 kB]
Get:35 http://us.archive.ubuntu.com/ubuntu xenial-updates/universe Translation-en [11.7 kB]
Get:36 http://us.archive.ubuntu.com/ubuntu xenial-updates/universe i386 DEP-11 Metadata [776 B]
Get:37 http://us.archive.ubuntu.com/ubuntu xenial-updates/universe DEP-11 64x64 Icons [6,773 B]
Reading package lists... Done
E: GPG error: http://us.archive.ubuntu.com/ubuntu xenial-backports InRelease: Clearsigned file isn't valid, got 'NODATA' (does the network require authentication?