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upgrading the Ubuntu this error occurs:

$ sudo apt-get upgrade
error Malformed line 1 in source list /etc/apt/sources.list (type) E: The list of sources could not be read

Line 1 in source list is this:

123#deb cdrom:[Ubuntu 16.04.3 LTS _Xenial Xerus_ - Release amd64 (20170801)]/ xenial main restricted
Videonauth
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Usama Khan
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1 Answers1

3

Change the line from:

123#deb cdrom:[Ubuntu 16.04.3 LTS _Xenial Xerus_ - Release amd64 (20170801)]/ xenial main restricted

To:

#deb cdrom:[Ubuntu 16.04.3 LTS _Xenial Xerus_ - Release amd64 (20170801)]/ xenial main restricted
Videonauth
  • 33,355
  • 17
  • 105
  • 120