12.04 - How to resolve "dpkg: error processing
So long as the sudo rm command is not mistyped it should be fine and needn't be considered a last resort: files in /var/cache/apt/archives are just archived (i.e., left over) package files. As John S Gruber says, the somewhat commonly recommended sudo apt-get clean command deletes all those files. Deleting a cached .deb file is a safe and effective way of ensuring a new (and