Oracle packages gets invalid suddenly
101515
What Situations Cause Oracle Packages to Become Invalid?
157678
How to solve 'Oracle JDK 8 is NOT installed.' error, even though I have installed it before?
136539
Package Cache File corrupted
23819
"GPG error: Release: The following signatures were invalid: BADSIG"
7460
E: Unable to correct problems, you have held broken packages
20717
How do I install the VirtualBox version from Oracle to install an Extension Pack?
29326
Can't install a package due to "Something wicked happened resolving" error
102747
Debian 9, APT, and "GPG error: ... InRelease: The following signatures were invalid:"
16186
Requires installation of untrusted packages?
23273
How to delete broken packages in ubuntu
47487
Broken packages and unmet dependency installation QGIS, PostgreSQL and postgis Ubuntu 14.04
123700
Get error when install Oracle JDK 8 on Ubuntu 18.04
73173
How to Fix Broken Packages?
138432
How to reliably reload package after change?
52762
"sha256sum mismatch jdk-7u3-linux-x64.tar.gz " error when trying to install Oracle Java
30985
Encountering exception ORA-01555
109677
How do I to resolve unmet dependencies to uninstall and reinstall package