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Installing the snap package of radare2

radare2 is also available as a snap package and can be installed on a system that supports snap packages. See Installing snapd to setup your system to support snap packages.

Status of snap package support

Currently, radare2 is available as a beta snap package that works in devmode security confinement (developer mode). Refer back to this section for updated instructions when radare2 is out of beta/devmode.

Currently, you need to prepend radare2. to each command you want to run. For example, use radare2.rabin2 to run rabin2.

Snap packages that work in devmode security confinement do not appear in search results, when you search for them in the Snap Store. To find information about this snap package, run snap info radare2. See the section below on this.

Installing radare2

This command installs the radare2 snap package from the beta channel, using the devmode (developer mode) security confinement type. The devmode security confinement disables any restrictions that are applied to typical snap packages. devmode makes a package to work similar to APT and RPM packages.

$ sudo snap install radare2 --channel=beta --devmode

Running commands

Currently, the radare2 commands can be invoked with the following names:

radare2 or radare2.radare2: The r2/radare2 command.
radare2.r2pm : The r2pm command.
radare2.r2agent : The r2agent command.
radare2.rafind2 : The rafind2 command.
radare2.rahash2 : The rahash2 command.
radare2.rasm2 : The rasm2 command.
radare2.rabin2 : The rabin2 command.
radare2.radiff2 : The radiff2 command.
radare2.ragg2 : The ragg2 command.
radare2.rarun2 : The rarun2 command.
radare2.rax2 : The rax2 command.
radare2.rasign2 : The rasign2 command.

Getting info about the radare2 snap package

Run the following command to get info about the radare2 snap package. You can see the list of available commands and how to invoke them. There are packages in the beta and edge channels, currently with radare2 4.5.0. The build number in this example is 5, and is an ascending number that characterises each new build. We have installed radare 4.5.0 from build 5, using the devmode security confinement. We are tracking the beta channel. Since the installed build number is the same as the build number in the channel that we are tracking, we are already running the latest available version.

$ snap info radare2
...
description: |
  Radare2 (also known as r2) is a complete framework for reverse-engineering
  and analyzing binaries; composed of a set of small utilities
  that can be used together or independently from the command line.
  Built around a disassembler for computer software which generates
  assembly language source code from machine-executable code,
  it supports a variety of executable formats for different processors
  and operating systems.

commands:
  - radare2.r2agent
  - radare2.r2pm
  - radare2.rabin2
  - radare2.radare2
  - radare2.radiff2
  - radare2.rafind2
  - radare2.ragg2
  - radare2.rahash2
  - radare2.rarun2
  - radare2.rasign2
  - radare2.rasm2
  - radare2.rax2
snap-id:      ceuTRkmV5T8oTHt2psXxLRma25xfBrfS
tracking:     latest/beta
refresh-date: today at 12:51 EEST
channels:
  latest/stable:    –
  latest/candidate: –
  latest/beta:      4.5.0 2020-07-23 (5) 15MB devmode
  latest/edge:      4.5.0 2020-07-23 (5) 15MB devmode
installed:          4.5.0            (5) 15MB devmode

Updating radare2

The snap packages that are installed in devmode are not updated automatically. You can update manually:

$ sudo snap refresh radare2

See the section above on how to get info about the radare2 snap package and how to determine whether there is an updated version available.

Uninstalling radare2

Run the following command to uninstall the snap package of radare2:

$ sudo snap remove radare2

Supported architectures

The radare2 snap package is currently available for the following architectures:

amd64
i386
arm64
armhf
ppc64el
s390x

Troubleshooting

error: snap "radare2" is not available on stable: When installing the snap package of radare2, you currently need to specify the beta channel. Append --channel=beta on the installation command line.
error: The publisher of snap "radare2" has indicated that they do not consider this revision to be of production quality: When installing the snap package of radare2, you currently need to specify the devmode confinement. Append --devmode on the installation command line.
How can I download the snap package for offline use?: Use the command snap download radare2 --channel=beta. You can then run sudo snap install to install the .snap package that was just downloaded.
Do I need to use "sudo" with snap commands?: You need to prepend sudo when you run most snap commands that perform privileged actions. However, if you log in into the Snap Store using sudo snap login, then you do not need anymore to prepend sudo.

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