How To Install crda.x86_64 on Amazon Linux 2

In this tutorial we learn how to install crda.x86_64 in Amazon Linux 2. crda.x86_64 is Regulatory compliance daemon for 802.11 wireless networking

Introduction

In this tutorial we learn how to install crda.x86_64 on Amazon Linux 2.

What is `crda.x86_64`

CRDA acts as the udev helper for communication between the kernel and userspace for regulatory compliance. It relies on nl80211 for communication. CRDA is intended to be run only through udev communication from the kernel.

We can use yum to install crda.x86_64 on Amazon Linux 2. In this tutorial we discuss both methods but you only need to choose one of method to install crda.x86_64.

Install crda.x86_64 on Amazon Linux 2 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

After updating yum database, We can install crda.x86_64 using yum by running the following command:

sudo yum -y install crda.x86_64

How To Uninstall crda.x86_64 on Amazon Linux 2

To uninstall only the crda.x86_64 package we can use the following command:

sudo yum remove crda.x86_64

crda.x86_64 Package Contents on Amazon Linux 2

/lib/udev/rules.d/85-regulatory.rules
/usr/lib/crda
/usr/lib/crda/pubkeys
/usr/lib/crda/pubkeys/key.pub.pem
/usr/lib/crda/pubkeys/sforshee.key.pub.pem
/usr/lib/crda/regulatory.bin
/usr/lib64/libreg.so
/usr/sbin/crda
/usr/sbin/regdbdump
/usr/sbin/setregdomain
/usr/share/doc/crda-3.13_2016.02.08
/usr/share/doc/crda-3.13_2016.02.08/LICENSE
/usr/share/doc/crda-3.13_2016.02.08/README.crda
/usr/share/doc/crda-3.13_2016.02.08/README.wireless-regdb
/usr/share/licenses/crda-3.13_2016.02.08
/usr/share/licenses/crda-3.13_2016.02.08/LICENSE.crda
/usr/share/licenses/crda-3.13_2016.02.08/LICENSE.wireless-regdb
/usr/share/man/man1/setregdomain.1.gz
/usr/share/man/man5/regulatory.bin.5.gz
/usr/share/man/man8/crda.8.gz
/usr/share/man/man8/regdbdump.8.gz

References

crda.x86_64 website

Summary

In this tutorial we learn how to install crda.x86_64 on Amazon Linux 2 using yum.