What is the difference between apt and apt-get? - Ask Ubuntu The apt commands have been introduced to solve this problem apt consists some of the most widely used features from apt-get, apt-cache and apt-config leaving aside obscure and seldom used features
apt - How do I fix the GPG error NO_PUBKEY? - Ask Ubuntu sudo gpg -a --export <PUBKEY> | sudo apt-key add - sudo apt-get update Note that when you import a key like this using apt-key you are telling the system that you trust the key you're importing to sign software your system will be using Do not do this unless you're sure the key is really the key of the package distributor
What commands (exactly) should replace the deprecated apt-key? You need to know why apt-key add is deprecated All of the answers so far work around the symptom ("Don't use apt-key add ") but fail to address the actual problem that led to apt-key add being deprecated The problem is not a question of appending a key to one big keyring file etc apt trusted gpg vs manually putting single-key keyring files into the directory etc apt trusted gpg d These two
What are phased updates, and why does Ubuntu use them? Updating via apt would ignore update phasing However, starting with Ubuntu 21 04, apt also uses phased updates, allowing phased updates to apply to all versions of Ubuntu, including Ubuntu Server and Ubuntu running in containers
What are all the apt command-line commands and options? No, apt is not a shortcut to apt-get; they are two separate programs, even if they are closely related But several of the options provided by man apt-get do apply to apt as well, even if there are differences For instance, apt upgrade and apt-get upgrade are similar but not identical
What is the correct way to completely remove an application? I've searched the net for such information and found different command lines, like these ones: sudo apt-get remove application sudo apt-get remove application* sudo apt-get remove --purge applica