Danke für die Hilfe! ☺
release v=16.04,o=Ubuntu,a=xenial-backports,n=xenial,l=Ubuntu,c=main,b=amd64
origin de.archive.ubuntu.com
500 http://de.archive.ubuntu.com/ubuntu xenial-updates/multiverse i386 Packages
release v=16.04,o=Ubuntu,a=xenial-updates,n=xenial,l=Ubuntu,c=multiverse,b=i386
origin de.archive.ubuntu.com
500 http://de.archive.ubuntu.com/ubuntu xenial-updates/multiverse amd64 Packages
release v=16.04,o=Ubuntu,a=xenial-updates,n=xenial,l=Ubuntu,c=multiverse,b=amd64
origin de.archive.ubuntu.com
500 http://de.archive.ubuntu.com/ubuntu xenial-updates/universe i386 Packages
release v=16.04,o=Ubuntu,a=xenial-updates,n=xenial,l=Ubuntu,c=universe,b=i386
origin de.archive.ubuntu.com
500 http://de.archive.ubuntu.com/ubuntu xenial-updates/universe amd64 Packages
release v=16.04,o=Ubuntu,a=xenial-updates,n=xenial,l=Ubuntu,c=universe,b=amd64
origin de.archive.ubuntu.com
500 http://de.archive.ubuntu.com/ubuntu xenial-updates/restricted i386 Packages
release v=16.04,o=Ubuntu,a=xenial-updates,n=xenial,l=Ubuntu,c=restricted,b=i386
origin de.archive.ubuntu.com
500 http://de.archive.ubuntu.com/ubuntu xenial-updates/restricted amd64 Packages
release v=16.04,o=Ubuntu,a=xenial-updates,n=xenial,l=Ubuntu,c=restricted,b=amd64
origin de.archive.ubuntu.com
500 http://de.archive.ubuntu.com/ubuntu xenial-updates/main i386 Packages
release v=16.04,o=Ubuntu,a=xenial-updates,n=xenial,l=Ubuntu,c=main,b=i386
origin de.archive.ubuntu.com
500 http://de.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
release v=16.04,o=Ubuntu,a=xenial-updates,n=xenial,l=Ubuntu,c=main,b=amd64
origin de.archive.ubuntu.com
500 http://de.archive.ubuntu.com/ubuntu xenial/multiverse i386 Packages
release v=16.04,o=Ubuntu,a=xenial,n=xenial,l=Ubuntu,c=multiverse,b=i386
origin de.archive.ubuntu.com
500 http://de.archive.ubuntu.com/ubuntu xenial/multiverse amd64 Packages
release v=16.04,o=Ubuntu,a=xenial,n=xenial,l=Ubuntu,c=multiverse,b=amd64
origin de.archive.ubuntu.com
500 http://de.archive.ubuntu.com/ubuntu xenial/universe i386 Packages
release v=16.04,o=Ubuntu,a=xenial,n=xenial,l=Ubuntu,c=universe,b=i386
origin de.archive.ubuntu.com
500 http://de.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
release v=16.04,o=Ubuntu,a=xenial,n=xenial,l=Ubuntu,c=universe,b=amd64
origin de.archive.ubuntu.com
500 http://de.archive.ubuntu.com/ubuntu xenial/restricted i386 Packages
release v=16.04,o=Ubuntu,a=xenial,n=xenial,l=Ubuntu,c=restricted,b=i386
origin de.archive.ubuntu.com
500 http://de.archive.ubuntu.com/ubuntu xenial/restricted amd64 Packages
release v=16.04,o=Ubuntu,a=xenial,n=xenial,l=Ubuntu,c=restricted,b=amd64
origin de.archive.ubuntu.com
500 http://de.archive.ubuntu.com/ubuntu xenial/main i386 Packages
release v=16.04,o=Ubuntu,a=xenial,n=xenial,l=Ubuntu,c=main,b=i386
origin de.archive.ubuntu.com
500 http://de.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
release v=16.04,o=Ubuntu,a=xenial,n=xenial,l=Ubuntu,c=main,b=amd64
origin de.archive.ubuntu.com
Mit Pinning verwaltete Pakete:
Liane@Liane-System-Product-Name:~$ sudo apt-get update
[sudo] Passwort für Liane:
OK:1 http://de.archive.ubuntu.com/ubuntu xenial InRelease
OK:2 http://de.archive.ubuntu.com/ubuntu xenial-updates InRelease
OK:3 http://de.archive.ubuntu.com/ubuntu xenial-backports InRelease
OK:4 http://security.ubuntu.com/ubuntu xenial-security InRelease
Paketlisten werden gelesen... Fertig
Liane@Liane-System-Product-Name:~$ ls -lah /etc/apt/sources.list.d/
insgesamt 16K
drwxr-xr-x 2 root root 4,0K Aug 2 2016 .
drwxr-xr-x 6 root root 4,0K Sep 11 19:08 ..
-rw-r--r-- 1 root root 234 Aug 2 2016 google-chrome.list
-rw-r--r-- 1 root root 189 Aug 2 2016 google-chrome.list.distUpgrade