apt - Contents of a default sources. list or ubuntu. sources (24. 04 and . . . Ubuntu 24 04 uses a new format for managing sources Sources are stored in separate files within the etc apt sources list d directory, each named with a list or sources extension (example: ondrej-ubuntu-php-noble sources) When you add a PPA source, it usually creates a new file within this directory specific to that PPA
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
apt - Package system is broken. How to fix it? - Ask Ubuntu Otherwise it can be dealt via CLI: Open terminal and run this command: sudo apt-get clean Above command will clean out the local repository of retrieved package file sudo apt-get install -f Will correct broken dependencies i e -f here stands for “fix broken” sudo dpkg --configure -a will configure all (-a) the packages which haven't been configured yet In the end do run the update
apt - List all versions of a package - Ask Ubuntu Is there a equivalent of this command; yum list kernel-headers --showduplicates on Ubuntu with apt-get, apt-cache etc The above command lists various versions of the kernel-headers rpm available o
apt - The following packages have been kept back: Why and how do I . . . apt-get install <list of packages kept back> this will resolve the kept-back issues and will ask to install additional packages, etc as was explained by other answers See also: Why use apt-get upgrade instead of apt-get dist-upgrade?