Disable/Backlist Package Update
The apt-mark command will mark or unmark a software package as being automatically installed and it is used with option hold or unhold.
-
hold – this option used to mark a package as held back, which will block the package from being installed, upgraded or removed.
-
unhold – this option used to remove a previously set hold on a package and allow to install, upgrade and remove package.
# Lock PHP Packages
$ sudo apt-mark hold php*
# Unlock PHP Packages
$ sudo apt-mark unhold php*