How To Install checksec on Fedora 34
Introduction
In this tutorial we learn how to install checksec on Fedora 34.
What is checksec
Modern Linux distributions offer some mitigation techniques to make it harder to exploit software vulnerabilities reliably. Mitigations such as RELRO, NoExecute (NX), Stack Canaries, Address Space Layout Randomization (ASLR) and Position Independent Executables (PIE) have made reliably exploiting any vulnerabilities that do exist far more challenging. The checksec script is designed to test what standard Linux OS and PaX (http security features are being used. As of version 1.3 the script also lists the status of various Linux kernel protection mechanisms. checksec can check binary-files and running processes for hardening features.
We can use yum or dnf to install checksec on Fedora 34. In this tutorial we discuss both methods but you only need to choose one of method to install checksec.
Install checksec 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 checksec using dnf by running the following command:
sudo dnf -y install checksec
Install checksec 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 checksec using yum by running the following command:
sudo yum -y install checksec
How To Uninstall checksec on Fedora 34
To uninstall only the checksec package we can use the following command:
sudo dnf remove checksec
checksec Package Contents on Fedora 34
/usr/bin/checksec
/usr/share/doc/checksec
/usr/share/doc/checksec/ChangeLog
/usr/share/doc/checksec/README.md
/usr/share/licenses/checksec
/usr/share/licenses/checksec/LICENSE.txt
/usr/share/man/man1/checksec.1.gz
References
Summary
In this tutorial we learn how to install checksec on Fedora 34 using yum and dnf.
