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When i try to execute sudo apt-get update i receive the error:

W: The repository 'http://linux.teamviewer.com/deb preview Release' is not signed. N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use. N: See apt-secure(8) manpage for repository creation and user configuration details.

My /etc/apt/sources.list contains:

deb http://mirrordirector.raspbian.org/raspbian/ jessie main contrib non-free rpi
# Uncomment line below then 'apt-get update' to enable 'apt-get source'
deb-src http://archive.raspbian.org/raspbian/ jessie main contrib non-free rpi
deb http://mirrordirector.raspbian.org/raspbian/ stretch main contrib non-free rpi

And /etc/apt/sources.list.d/raspi.list contains:

deb http://archive.raspberrypi.org/debian/ jessie main ui
# Uncomment line below then 'apt-get update' to enable 'apt-get source'
#deb-src http://archive.raspberrypi.org/debian/ jessie main ui
#deb http://mirrors.ustc.edu.cn/archive.raspberrypi.org/ jessie main ui

Any Sugestions? Obs: I have TeamViewer installed and i try to remove it but i can't how i do this?

  • 2
    There's something missing here... what is the output of grep -rn ^ /etc/apt/sources.* – RubberStamp Nov 22 '17 at 16:50
  • i gave up. I formatted my microSD and upgrade to Raspian-Strech. – FelipeFonsecabh Nov 23 '17 at 22:03
-1
apt-get remove <package_name>

This command removes an installed package, leaving configuration files intact.

apt-get purge <package_name>

This command completely removes a package and the associated configuration files.

Type apt-get without any option too see all options available.

  • the problem is i don't know how the name of teemviewer package. – FelipeFonsecabh Nov 23 '17 at 16:49
  • I try to remove with TeamViewer, teamviewer, Teamviewer and nothing – FelipeFonsecabh Nov 23 '17 at 16:49
  • 'apt-cache pkgnames team' could have been used to read out the package name – McLion Nov 27 '17 at 8:37

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