All about the debian package managers dpkg, apt and aptitude explained

1. What is dpkg and apt?
2. What is Debian package management system?
3. Which package manager does a Debian machine use?
4. Does Debian use apt or apt-get?
5. Should I use apt or dpkg?
6. What is the difference between apt-get and dpkg?
7. Is Ubuntu better than Debian?
8. How install sudo apt-get?
9. What is the use of Debian package?
10. How do I uninstall apt get package?
11. How do I list apt get packages?
12. What happens after sudo apt get update?

What is dpkg and apt?

dpkg is the Linux Debian packages manager. When apt or apt-get are used they invoke the dpkg program to install or remove applications while including additional functions dpkg doesn't like dependencies resolution. The program dpkg can be used to install or remove programs, list them or specific information on them.

What is Debian package management system?

Debian is a volunteer organization which builds consistent distributions of pre-compiled binary packages of free software and distributes them from its archive. ... The Debian package management system, when used properly, offers the user to install consistent sets of binary packages to the system from the archive.

Which package manager does a Debian machine use?

APT. APT is the Advanced Package Tool, an advanced interface to the Debian packaging system which provides the apt-get program. It provides commandline tools for searching and managing packages, and for querying information about them, as well as low-level access to all features of the libapt-pkg library.

Does Debian use apt or apt-get?

APT Combines APT-GET and APT-CACHE Functionalities

With the release of Ubuntu 16.04 and Debian 8, they introduced a new command-line interface – apt. The main goal for this novelty was to merge the most commonly used apt-get and apt-cache commands under the same command prefix.

Should I use apt or dpkg?

apt-get makes use of dpkg to do the actual package installations. ... The major reason to use apt tools though is for the dependency management. The apt tools understand that in order to install a given package, other packages may need to be installed too, and apt can download these and install them, whereas dpkg does not.

What is the difference between apt-get and dpkg?

apt-get handles lists of packages available to the system. ... dpkg is the low level tool that actually installs package contents to the system. If you try to install a package with dpkg whose dependencies are missing, dpkg will exit and complain about missing dependencies. With apt-get it also installs the dependencies.

Is Ubuntu better than Debian?

Generally, Ubuntu is considered a better choice for beginners, and Debian a better choice for experts. ... Given their release cycles, Debian is considered as a more stable distro compared to Ubuntu. This is because Debian (Stable) has fewer updates, it's thoroughly tested, and it is actually stable.

How install sudo apt-get?

1. Install. Using apt-get install will check the dependencies of the packages you want and install any that are needed. ...
2. Search. Use apt-cache search to find what's available. ...
3. Update. Run apt-get update to update all your package lists, followed by apt-get upgrade to update all your installed software to the latest versions.

What is the use of Debian package?

A Debian "package", or a Debian archive file, contains the executable files, libraries, and documentation associated with a particular suite of program or set of related programs. Normally, a Debian archive file has a filename that ends in . deb .

How do I uninstall apt get package?

If you want to remove a package, use the apt in the format; sudo apt remove [package name]. If you want to remove a package without confirming add –y between apt and remove words.

How do I list apt get packages?

Open the terminal application or log in to the remote server using ssh (e.g. ssh user@sever-name ) Run command apt list --installed to list all installed packages on Ubuntu. To display a list of packages satisfying certain criteria such as show matching apache2 packages, run apt list apache.

What happens after sudo apt get update?

You run sudo apt-get upgrade to install available upgrades of all packages currently installed on the system from the sources configured via sources. list file. New packages will be installed if required to satisfy dependencies, but existing packages will never be removed.