Remmina is a free and open-source, feature-rich, and powerful remote desktop client for Linux and other Unix-like systems, written in GTK 3. It's designed for system administrators and travelers who need to remotely access and work with multiple computers.

It supports several network protocols within a simple, unified, homogeneous, and user-friendly interface.

Remmina Features

• Supports RDP, VNC, NX, XDMCP, and SSH.
• Allows users to maintain a list of connection profiles grouped by categories.
• Enables quick connections by entering the server address directly.
• Remote desktops with higher resolutions are scrollable/scalable in both window and fullscreen modes.
• Supports viewport fullscreen mode; the remote desktop automatically scrolls when the mouse reaches the screen edge.
• Includes support for a floating toolbar in fullscreen mode; allows switching between modes, toggling keyboard grabbing, minimizing, and more.
• Provides a tabbed interface, optionally organized by groups.
• Offers a tray icon for quick access to configured connection profiles.

In this guide, we’ll walk you through how to install and use Remmina with some of its supported protocols in Linux for desktop sharing.

Prerequisites

• Enable desktop sharing on remote machines (allow remote connections).
• Install SSH services on the remote machines.

How to Install Remmina Desktop Sharing Tool on Linux

Remmina along with its plugin packages are available in the official repositories of nearly all major Linux distributions.

Use the commands below to install it with all supported plugins:

<code><strong style="color: yellow;">------------ On Debian/Ubuntu ------------</strong> 
$ sudo apt install remmina remmina-plugin-*</code>

<code><strong style="color: yellow;">------------ On CentOS/RHEL/Alma & Rocky ------------</strong> 
# yum install epel-release
# yum copr enable castor/remmina
# yum install 'remmina*'</code>

<code><strong style="color: yellow;">------------ On Fedora 22  ------------</strong> 
$ sudo dnf copr enable hubbitus/remmina-next
$ sudo dnf upgrade --refresh 'remmina*' 'freerdp*'</code>

<code>$ sudo emerge -a net-misc/remmina  [On <strong style="color: yellow;">Gentoo Linux</strong>]
$ sudo apk add remmina             [On <strong style="color: yellow;">Alpine Linux</strong>]
$ sudo pacman -S remmina           [On <strong style="color: yellow;">Arch Linux</strong>]
$ sudo zypper install remmina      [On <strong style="color: yellow;">OpenSUSE</strong>]</code>

How to Connect to a Remote Linux System

After installation, search for remmina in the Ubuntu Dash or Linux Mint Menu, then launch the application:

You can make any necessary configurations either via the graphical interface or by editing files located in $HOME/.remmina or $HOME/.config/remmina.

To create a new connection to a remote server, press [Ctrl N] or go to Connection -> New, and configure the remote connection profile as shown in the screenshot below. This shows the basic settings panel.

From the above interface, click Advanced to adjust advanced connection options.

To modify SSH settings, click on SSH from the profile interface.

Once all required settings have been made, save them using the Save button. From the main interface, you will see all your configured remote connection profiles listed as shown below.

Remmina – Connect to Remote Linux Using sFTP

Select the desired connection profile and edit the settings. Choose SFTP – Secure File Transfer from the Protocols dropdown menu. Optionally set a startup path and provide SSH authentication details. Finally, click Connect.

Enter your SSH user password here.

If you see the interface below, your SFTP connection has been successfully established, and you can now transfer files between your local and remote machines.

Remmina – Connect to Remote Linux Using SSH

Choose a connection profile, edit its settings, and select SSH – Secure Shell from the Protocols dropdown. Optionally set a startup program and SSH authentication credentials. Click Connect and enter the SSH user password.

When you see the interface below, it indicates that the SSH connection was successful. You can now control the remote machine via SSH.

Remmina – Connect to Remote Linux Desktop Using VNC

Pick a connection profile from the list and edit its settings. Select VNC – Virtual Network Computing from the Protocols dropdown menu. Configure basic, advanced, and SSH settings for the connection, then click Connect and provide the SSH user password.

When you see the following interface, it means you have successfully connected to the remote machine using the VNC protocol.

Enter the user login password from the desktop login interface as shown in the screenshot below.

Follow the steps outlined above to connect using other available protocols. It’s really that straightforward.

That’s all! In this guide, we’ve shown you how to install and use Remmina, a remote connection client supporting multiple protocols in Linux. Please feel free to share your thoughts in the comments section below.

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