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.
