How To Install gdb on Ubuntu 20.04

In this tutorial we learn how to install gdb on Ubuntu 20.04. gdb is GNU Debugger GNU Debugger

Introduction

In this tutorial we learn how to install gdb on Ubuntu 20.04.

What is gdb

gdb is:

GDB is a source-level debugger, capable of breaking programs at any specific line, displaying variable values, and determining where errors occurred. Currently, gdb supports C, C++, D, Objective-C, Fortran, Java, OpenCL C, Pascal, assembly, Modula-2, Go, and Ada. A must-have for any serious programmer. Task: ubuntu-desktop-minimal, ubuntu-desktop, kubuntu-desktop, xubuntu-desktop, ubuntustudio-desktop, ubuntukylin-desktop, ubuntu-mate-core, ubuntu-mate-desktop, ubuntu-budgie-desktop

Package: gdb Architecture: amd64 Version: 9.1-0ubuntu1 Multi-Arch: allowed Priority: optional Section: devel Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: Héctor Orón Martínez [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 9530 Provides: gdb-minimal (= 9.1-0ubuntu1) Depends: libbabeltrace1 (>= 1.5.4), libc6 (>= 2.29), libexpat1 (>= 2.0.1), libgcc-s1 (>= 3.0), liblzma5 (>= 5.1.1alpha+20110809), libmpfr6 (>= 3.1.3), libncursesw6 (>= 6), libpython3.8 (>= 3.8.0~a1), libreadline8 (>= 8), libstdc++6 (>= 7), libtinfo6 (>= 6), zlib1g (>= 1:1.2.0) Recommends: libc-dbg, libcc1-0, gdbserver Suggests: gdb-doc Conflicts: gdb Replaces: gdb, gdb-doc (« 7.8-1~) Filename: pool/main/g/gdb/gdb_9.1-0ubuntu1_amd64.deb Size: 3218448 MD5sum: 8fcee20e0ebf0511deb2a5787cd46a0a SHA1: a9a57582e586fab46ac414e284a3c479380cd9b9 SHA256: 3ebb6be48571e6555ef26ca9aeeff5c5bdd114d8ee25afac17b5473727440b89 Homepage: http://www.gnu.org/s/gdb/ Description-en: GNU Debugger GDB is a source-level debugger, capable of breaking programs at any specific line, displaying variable values, and determining where errors occurred. Currently, gdb supports C, C++, D, Objective-C, Fortran, Java, OpenCL C, Pascal, assembly, Modula-2, Go, and Ada. A must-have for any serious programmer. Task: ubuntu-desktop-minimal, ubuntu-desktop, kubuntu-desktop, xubuntu-desktop, ubuntustudio-desktop, ubuntukylin-desktop, ubuntu-mate-core, ubuntu-mate-desktop, ubuntu-budgie-desktop

There are three methods to install gdb on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install gdb Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install gdb using apt-get by running the following command:

sudo apt-get -y install gdb

Install gdb Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install gdb using apt by running the following command:

sudo apt -y install gdb

Install gdb Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install gdb using aptitude by running the following command:

sudo aptitude -y install gdb

How To Uninstall gdb on Ubuntu 20.04

To uninstall only the gdb package we can use the following command:

sudo apt-get remove gdb

Uninstall gdb And Its Dependencies

To uninstall gdb and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove gdb

Remove gdb Configurations and Data

To remove gdb configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge gdb

Remove gdb configuration, data, and all of its dependencies

We can use the following command to remove gdb configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge gdb

References

Summary

In this tutorial we learn how to install gdb package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.