Telegram is a popular cross-platform, cloud-based instant messaging system with a focus on security and speed.
telegram-desktop is a native Telegram app for Linux that can be installed on Ubuntu and Linux Mint from the official repositories.
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Install Telegram on Ubuntu
To install the Telegram on Ubuntu or Linux Mint from the Ubuntu’s official repositories, simply execute this command from the terminal:
$ sudo apt install telegram-desktop
When the installation is complete the Telegram app will be available to launch from app launchers and app menus.
To update the Telegram app and get all the latest features:
$ sudo apt update $ sudo apt install telegram-desktop --reinstall