added lines to /etc/apt/source.list that cannot be read
249
How do I fix this "E: Type '*' is not known on line * in source list ..." update error?
26051
N: Ignoring file '50unattended-upgrades.ucf-dist' in directory '/etc/apt/apt.conf.d/' as it has an invalid filename extension
134563
How do I remove a broken software source?
65612
How to delete/remove manually apt added repositories?
113026
What happened to /etc/apt/apt.conf?
57214
Could not get lock /var/lib/apt/lists/lock
4305
How do I fix a "Problem with MergeList" or "status file could not be parsed" error when trying to do an update?
56132
"E:Malformed line 1 in source list /etc/apt/sources.list.d/medibuntu.list (type),"
151509
How to fix error W: Target Packages (main/binary-amd64/Packages) is configured multiple times in my sources.list file?
38476
How do you open Apt links in Ubuntu?
117721
How to install suggested packages in apt-get
149595
Can I enable bash-completion for the new apt command?
53588
How do remove the CD / DVD install as a source for apt-get packages when installing new features?
137340
"E:Read error - read (5: Input/output error), E:The package lists or status file could not be parsed or opened."
59119
apt-get, unmet dependencies, ... "but it is not going to be installed"
116937
Why apt can't find the source code of any package?
135528
Hardcoded "require 'debug'" can't find the sourcefile