Accidentally deleted lines in sources.list
19565
Restore default apt repositories in sources.list from command line
5407
How to fix "W: Duplicate sources.list entry"?
123083
sources.list file missing
115364
Deleted most of the packages using apt-get purge package\*; How can I get them back?
2443
How can I undo Edit steps in Object Mode?
71004
Removing empty lines in Notepad++
53267
How do I recover the default version of some configuration file?
3364
Is there any way to recover unsaved notepad++ docs?
2448
Accidentally deleted icons in /usr/share, how do I get them back?
95283
E: Malformed entry 54 in list file /etc/apt/sources.list (Component)
50977
Can I view the Markdown-source of an unedited question/answer?
148754
Where has my `uniq` or `sort -u` line gone, with some unicode characters
9896
How do I get and modify the source code of packages installed through apt-get?
137651
How can I recover from deleting the /usr/share/themes directory?
44068
Can I purge configuration files after I've removed the package?
67881
\listoftodos in Todo list missing hyperlinks and colors in my document
28176
How do I recover from accidentally removing dpkg?