root@kali:~# apt-get update
Hit:1 https://deb.opera.com/opera-stable stable InRelease
Hit:3 http://ppa.launchpad.net/webupd8team/java/ubuntu trusty InRelease
Hit:4 http://ppa.launchpad.net/webupd8team/java/ubuntu precise InRelease
Hit:2 http://kali.mirror.garr.it/mirrors/kali kali-rolling InRelease
Reading package lists... Done
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Translations (main/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Packages (contrib/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Packages (contrib/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Translations (contrib/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Translations (contrib/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Packages (non-free/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Packages (non-free/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Translations (non-free/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Translations (non-free/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Translations (main/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Packages (contrib/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Packages (contrib/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Translations (contrib/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Translations (contrib/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Packages (non-free/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Packages (non-free/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Translations (non-free/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
W: Target Translations (non-free/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:7 and /etc/apt/sources.list:12
root@kali:~#