tente retirar isto http://ppa.launchpad.net/ne0sight/chrome-gnome-shell/ubuntu bionic Release dos seus repositorios
vá em programas e atualizações / outros programas e desmarque
Bem... até que deu certo, mas creio que ainda terei que remover meio mundo de outras coisas mais, não?! Olha só....
joao@jdt:~$ sudo apt-get update
Atingido:1
http://br.archive.ubuntu.com/ubuntu bionic InRelease
Atingido:2
http://br.archive.ubuntu.com/ubuntu bionic-updates InRelease
Atingido:3
http://ppa.launchpad.net/audio-recorder/ppa/ubuntu bionic InRelease
Obter:4
http://security.ubuntu.com/ubuntu bionic-security InRelease [83,2 kB]
Obter:5
http://br.archive.ubuntu.com/ubuntu bionic-backports InRelease [74,6 kB]
Ign:6
http://dl.google.com/linux/chrome/deb stable InRelease
Atingido:7
http://dl.google.com/linux/chrome/deb stable Release
Atingido:8
https://download.sublimetext.com apt/stable/ InRelease
Atingido:9
http://ppa.launchpad.net/communitheme/ppa/ubuntu bionic InRelease
Atingido:11
http://ppa.launchpad.net/moka/daily/ubuntu bionic InRelease
Atingido:12
http://ppa.launchpad.net/noobslab/icons/ubuntu bionic InRelease
Atingido:13
http://ppa.launchpad.net/numix/ppa/ubuntu bionic InRelease
Atingido:14
http://ppa.launchpad.net/osmoma/audio-recorder/ubuntu bionic InRelease
Ign:15
http://ppa.launchpad.net/ravefinity-project/ppa/ubuntu bionic InRelease
Ign:16
http://ppa.launchpad.net/satyajit-happy/themes/ubuntu bionic InRelease
Err:17
http://ppa.launchpad.net/ravefinity-project/ppa/ubuntu bionic Release
404 Not Found [IP: 91.189.95.83 80]
Err:18
http://ppa.launchpad.net/satyajit-happy/themes/ubuntu bionic Release
404 Not Found [IP: 91.189.95.83 80]
Lendo listas de pacotes... Pronto
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
W: Target Translations (main/i18n/Translation-pt_BR) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
W: Target Translations (main/i18n/Translation-pt) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
W: Target DEP-11 (main/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
W: Target DEP-11 (main/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
W: Target DEP-11-icons-small (main/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
W: Target CNF (main/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
E: The repository '
http://ppa.launchpad.net/ravefinity-project/ppa/ubuntu bionic Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(
manpage for repository creation and user configuration details.
E: The repository '
http://ppa.launchpad.net/satyajit-happy/themes/ubuntu bionic Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(
manpage for repository creation and user configuration details.
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
W: Target Translations (main/i18n/Translation-pt_BR) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
W: Target Translations (main/i18n/Translation-pt) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
W: Target DEP-11 (main/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
W: Target DEP-11 (main/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
W: Target DEP-11-icons-small (main/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
W: Target CNF (main/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list.d/google-chrome.list:3 and /etc/apt/sources.list.d/google.list:1
joao@jdt:~$