Signal Linux 版安装
Signal 提供多种 Linux 发行版的安装包。
Debian / Ubuntu
# 安装官方 GPG 密钥
curl -fsSL https://updates.signal.org/desktop/apt/keys.asc | sudo gpg --dearmor -o /usr/share/keyrings/signal-desktop-keyring.gpg
# 添加软件源
echo "deb [arch=amd64 signed-by=/usr/share/keyrings/signal-desktop-keyring.gpg] https://updates.signal.org/desktop/apt xenial main" | sudo tee /etc/apt/sources.list.d/signal-xenial.list
# 安装
sudo apt update && sudo apt install signal-desktop
Fedora
# 安装官方 GPG 密钥
curl -fsSL https://updates.signal.org/desktop/rpm/keys.asc | sudo gpg --dearmor -o /usr/share/keyrings/signal-desktop-keyring.gpg
# 添加软件源
echo "[signal-desktop]
baseurl=https://updates.signal.org/desktop/rpm/yum
enabled=1
gpgcheck=1
gpgkey=file:///usr/share/keyrings/signal-desktop-keyring.gpg" | sudo tee /etc/yum.repos.d/signal-desktop.repo
# 安装
sudo dnf install signal-desktop
Arch Linux
Signal Desktop 在 Arch Linux 官方仓库中可用：
sudo pacman -S signal-desktop
Flatpak（通用）
flatpak install flathub org.signal.Signal
Snap（通用）
sudo snap install signal-desktop