How To Install ElectricFence on Fedora 34

ElectricFence is A debugger which detects memory allocation violations A debugger which detects memory allocation violations

Introduction

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

What is `ElectricFence`

ElectricFence is a utility for C programming and debugging. ElectricFence uses the virtual memory hardware of your system to detect when software overruns malloc() buffer boundaries, and/or to detect any accesses of memory released by free(). ElectricFence will then stop the program on the first instruction that caused a bounds violation and you can use your favorite debugger to display the offending statement. Install ElectricFence if you need a debugger to find malloc() violations. ElectricFence 2.2.2 55.fc34 x86_64 38 k ElectricFence-2.2.2-55.fc34.src.rpm fedora A debugger which detects memory allocation violations http GPLv2 ElectricFence is a utility for C programming and debugging. ElectricFence uses the virtual memory hardware of your system to detect when software overruns malloc() buffer boundaries, and/or to detect any accesses of memory released by free(). ElectricFence will then stop the program on the first instruction that caused a bounds violation and you can use your favorite debugger to display the offending statement. Install ElectricFence if you need a debugger to find malloc() violations.

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

Install ElectricFence 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 ElectricFence using dnf by running the following command:

sudo dnf -y install ElectricFence

Install ElectricFence 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 ElectricFence using yum by running the following command:

sudo yum -y install ElectricFence

How To Uninstall ElectricFence on Fedora 34

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

sudo dnf remove ElectricFence

ElectricFence Package Contents on Fedora 34

/usr/bin/ef
/usr/lib/.build-id
/usr/lib/.build-id/a7
/usr/lib/.build-id/a7/c387944a7b83ebdfb78a0f9dadce47de37752c
/usr/lib/libefence.a
/usr/lib/libefence.so
/usr/lib/libefence.so.0
/usr/lib/libefence.so.0.0
/usr/share/doc/ElectricFence
/usr/share/doc/ElectricFence/CHANGES
/usr/share/doc/ElectricFence/COPYING
/usr/share/doc/ElectricFence/README
/usr/share/man/man1/ef.1.gz
/usr/share/man/man3/efence.3.gz
/usr/share/man/man3/libefence.3.gz
/usr/bin/ef
/usr/lib/.build-id
/usr/lib/.build-id/cf
/usr/lib/.build-id/cf/67d5b27e52d5db30a50af2bf1dbb0abf5e107d
/usr/lib64/libefence.a
/usr/lib64/libefence.so
/usr/lib64/libefence.so.0
/usr/lib64/libefence.so.0.0
/usr/share/doc/ElectricFence
/usr/share/doc/ElectricFence/CHANGES
/usr/share/doc/ElectricFence/COPYING
/usr/share/doc/ElectricFence/README
/usr/share/man/man1/ef.1.gz
/usr/share/man/man3/efence.3.gz
/usr/share/man/man3/libefence.3.gz

References

[ElectricFence website](http://perens.com/FreeSoftware/ElectricFence/ http://perens.com/FreeSoftware/ElectricFence/)

Summary

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