Debian 9 - Install Seafile Client

Run the commands below to install the Seafile GUI client on Debian 9

# Install dirmnger for installing keys, in case you don't have it.
sudo apt-get install dirmngr --install-recommends

# Install the key for seafile to verify packages.
sudo apt-key adv \
--keyserver hkp://keyserver.ubuntu.com:80 \
--recv-keys 8756C4F765C9AC3CB6B85D62379CE192D401AB61

# Add the seafile source for fetching packages from.
echo deb http://deb.seadrive.org stretch main | sudo tee /etc/apt/sources.list.d/seafile.list

# Update package cache and install seafile.
sudo apt-get update
sudo apt-get install seafile-gui -y

References

• SleeplessBeastie's Notes - How to fix missing dirmngr
• Seafile User Manual - Install Seafile Client on Linux