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Linux lesson for today

The Apt package cache can be very handy.

For example, take the situation where you are attempting to compile a package from source code and run into a dependency issue, causing you to have to downgrade versions of a certain library. If, for example, the repository you downloaded the current version from no longer exists, you may have problems upgrading again. If, continuing with our example, that library happened to be a dependency of the font rendering system, you may have problems opening programs that use letters. Now, such programs may seem uncommon, but I assure you, they are not. Finding that package in Apt’s cache will allow you to reinstall the package, restoring the ability to open applications.

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