W: Duplicate sources.list entry http://downloads-distro.mongodb.org/repo/ubuntu-upstart
5407
How to fix "W: Duplicate sources.list entry"?
2694
How do I remove a malformed line from my sources.list?
143978
Proposal to merge tags [existdb] and [exist]
123231
How to install old version of mongodb?
94964
How to get list of duplicates when using DeleteDuplicates?
129510
Where is fslint (duplicate file finder) for Ubuntu 20.04?
14839
Do not delete good duplicates!
97199
The ability to link cross-site duplicates
25906
Please add close flags, duplicate links and review data to the public data dump
13299
Index entries duplicated for captions
105400
What should we do about *identical* cross-site duplicates? (i.e., copy-and-paste cross-posting)
79850
Interview - Detect/remove duplicate entries
68037
Get package sources and repository link
14439
Error :: You must put some 'source' URIs in your sources.list
23256
Hat duplicates when info is expanded
134563
How do I remove a broken software source?
19565
Restore default apt repositories in sources.list from command line