HI guys,
i have a small problem and maybe you would be so kind and help me.
when i do an update on my ubuntu 18.04 server i get an error
--------------------------
W: Target Packages (universe/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:19
W: Target Packages (universe/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:19
W: Target Packages (universe/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:19
W: Target Translations (universe/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:19
W: Target CNF (universe/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:19
W: Target CNF (universe/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:19
W: Target Packages (multiverse/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:29
W: Target Packages (multiverse/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:29
W: Target Packages (multiverse/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:29
W: Target Translations (multiverse/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:29
W: Target CNF (multiverse/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:29
W: Target CNF (multiverse/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:29
W: Target Packages (universe/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:21
W: Target Packages (universe/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:21
W: Target Packages (universe/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:21
W: Target Translations (universe/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:21
W: Target CNF (universe/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:21
W: Target CNF (universe/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:21
W: Target Packages (multiverse/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:31
W: Target Packages (multiverse/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:31
W: Target Packages (multiverse/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:31
W: Target Translations (multiverse/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:31
W: Target CNF (multiverse/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:31
W: Target CNF (multiverse/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:31
W: Target Packages (universe/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:51
W: Target Packages (universe/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:51
W: Target Packages (universe/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:51
W: Target Translations (universe/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:51
W: Target CNF (universe/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:51
W: Target CNF (universe/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:51
W: Target Packages (multiverse/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:53
W: Target Packages (multiverse/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:53
W: Target Packages (multiverse/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:53
W: Target Translations (multiverse/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:53
W: Target CNF (multiverse/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:53
W: Target CNF (multiverse/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:53
W: Target Packages (universe/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:19
W: Target Packages (universe/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:19
W: Target Packages (universe/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:19
W: Target Translations (universe/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:19
W: Target CNF (universe/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:19
W: Target CNF (universe/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:19
W: Target Packages (multiverse/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:29
W: Target Packages (multiverse/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:29
W: Target Packages (multiverse/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:29
W: Target Translations (multiverse/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:29
W: Target CNF (multiverse/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:29
W: Target CNF (multiverse/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:8 and /etc/apt/sources.list:29
W: Target Packages (universe/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:21
W: Target Packages (universe/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:21
W: Target Packages (universe/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:21
W: Target Translations (universe/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:21
W: Target CNF (universe/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:21
W: Target CNF (universe/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:21
W: Target Packages (multiverse/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:31
W: Target Packages (multiverse/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:31
W: Target Packages (multiverse/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:31
W: Target Translations (multiverse/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:31
W: Target CNF (multiverse/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:31
W: Target CNF (multiverse/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:13 and /etc/apt/sources.list:31
W: Target Packages (universe/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:51
W: Target Packages (universe/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:51
W: Target Packages (universe/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:51
W: Target Translations (universe/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:51
W: Target CNF (universe/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:51
W: Target CNF (universe/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:51
W: Target Packages (multiverse/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:53
W: Target Packages (multiverse/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:53
W: Target Packages (multiverse/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:53
W: Target Translations (multiverse/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:53
W: Target CNF (multiverse/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:53
W: Target CNF (multiverse/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:49 and /etc/apt/sources.list:53
---------------------
this is my sources.list
--------------------
# deb
http://asi-fs-n.contabo.net/ubuntu bionic main restricted universe multiverse restricted
# deb
http://asi-fs-n.contabo.net/ubuntu bionic-updates main restricted universe multiverse restricted
# deb
http://security.ubuntu.com/ubuntu bionic-security main restricted universe multiverse restricted
# See
http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb
http://asi-fs-n.contabo.net/ubuntu bionic main restricted universe multiverse restricted
# deb-src
http://asi-fs-n.contabo.net/ubuntu bionic main restricted universe multiverse restricted
## Major bug fix updates produced after the final release of the
## distribution.
deb
http://asi-fs-n.contabo.net/ubuntu bionic-updates main restricted universe multiverse restricted
# deb-src
http://asi-fs-n.contabo.net/ubuntu bionic-updates main restricted universe multiverse restricted
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb
http://asi-fs-n.contabo.net/ubuntu bionic universe
# deb-src
http://asi-fs-n.contabo.net/ubuntu bionic universe
deb
http://asi-fs-n.contabo.net/ubuntu bionic-updates universe
# deb-src
http://asi-fs-n.contabo.net/ubuntu bionic-updates universe
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb
http://asi-fs-n.contabo.net/ubuntu bionic multiverse
# deb-src
http://asi-fs-n.contabo.net/ubuntu bionic multiverse
deb
http://asi-fs-n.contabo.net/ubuntu bionic-updates multiverse
# deb-src
http://asi-fs-n.contabo.net/ubuntu bionic-updates multiverse
## N.B. software from this repository may not have been tested as
## extensively as that contained in the main restricted universe multiverse release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb
http://asi-fs-n.contabo.net/ubuntu bionic-backports main restricted universe multiverse restricted universe multiverse
# deb-src
http://asi-fs-n.contabo.net/ubuntu bionic-backports main restricted universe multiverse restricted universe multiverse
## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
# deb
http://archive.canonical.com/ubuntu bionic partner
# deb-src
http://archive.canonical.com/ubuntu bionic partner
deb
http://security.ubuntu.com/ubuntu bionic-security main restricted universe multiverse restricted
# deb-src
http://security.ubuntu.com/ubuntu bionic-security main restricted universe multiverse restricted
deb
http://security.ubuntu.com/ubuntu bionic-security universe
# deb-src
http://security.ubuntu.com/ubuntu bionic-security universe
deb
http://security.ubuntu.com/ubuntu bionic-security multiverse
# deb-src
http://security.ubuntu.com/ubuntu bionic-security multiverse
deb
http://archive.ubuntu.com/ubuntu bionic universe
deb
http://archive.ubuntu.com/ubuntu bionic-backports main restricted universe multiverse
can anybody give me an idea how to fix this problem?
thanks in advance for your kind help
Tom