How To Install flawfinder on Fedora 34

flawfinder is Examines C/C++ source code for security flaws

Introduction

In this tutorial we learn how to install flawfinder on Fedora 34.

What is flawfinder

Flawfinder scans through C/C++ source code, identifying lines (“hits”) with potential security flaws. By default it reports hits sorted by severity, with the riskiest lines first.

We can use yum or dnf to install flawfinder on Fedora 34. In this tutorial we discuss both methods but you only need to choose one of method to install flawfinder.

Install flawfinder on Fedora 34 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

After updating yum database, We can install flawfinder using dnf by running the following command:

sudo dnf -y install flawfinder

Install flawfinder on Fedora 34 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

After updating yum database, We can install flawfinder using yum by running the following command:

sudo yum -y install flawfinder

How To Uninstall flawfinder on Fedora 34

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

sudo dnf remove flawfinder

flawfinder Package Contents on Fedora 34

/usr/bin/flawfinder
/usr/share/doc/flawfinder
/usr/share/doc/flawfinder/ChangeLog
/usr/share/doc/flawfinder/README.md
/usr/share/licenses/flawfinder
/usr/share/licenses/flawfinder/COPYING
/usr/share/man/man1/flawfinder.1.gz

References

Summary

In this tutorial we learn how to install flawfinder on Fedora 34 using yum and dnf.