E: unable to locate the package oversip
11671
"Unable to locate package" while trying to install packages with APT
102559
How to install package from newer distribution?
116937
Why apt can't find the source code of any package?
12773
The requested package is unknown
108934
Where does a package have to be loaded?
1632
How do I fix a "Failed to download package files" error?
152027
how to install packages with apt-get on a system connected via proxy?
149428
How do I refresh the package list?
156977
Unable to install files with apt-get: "unable to locate package"
77923
'apt-get' always fails with ERROR 404: Not Found over a package (flashplugin-downloader)
30304
Shows "unable to locate package unzip" error
150920
How can I install the package iftop?
41519
What can I do if a package is not available on the newest version of Ubuntu (18.04) but is available on older versions?
9841
How can I fix "E:The package linux-modules-5.4.0-56-generic needs to be reinstalled, but I can't find an archive for it."?
2259
Install package to specific location
97197
error: parsing file '/var/lib/dpkg/status' near line 55497 package 'indicator-displex'
69489
How do I figure out what package something is in without resorting to Google?