| title | description |
|---|---|
Install |
a2fa Installation |
a2fa is a command line tool for generating and validating one-time password. Its purpose is to get rid of phones and be able to authenticate easily. It keeps synced with Google Authenticator, Microsoft Authenticator.
paru -S a2fa
yay -S a2fa
echo 'deb [trusted=yes] https://apt.fury.io/csyezheng/ /' | sudo tee /etc/apt/sources.list.d/fury.list
sudo apt update
sudo apt install a2fa
sudo -v ; curl https://raw.githubusercontent.com/csyezheng/a2fa/main/scripts/install.sh | sudo bash
sudo -v ; curl https://raw.githubusercontent.com/csyezheng/a2fa/main/scripts/uninstall.sh | sudo bash
Fetch and unpack
curl -LO "https://github.com/csyezheng/a2fa/releases/latest/download/a2fa_Linux_x86_64.tar.gz"
mkdir /tmp/a2fa
tar -xzf a2fa_Linux_x86_64.tar.gz -C /tmp/a2fa
Copy binary file
sudo cp /tmp/a2fa/a2fa /usr/bin/
sudo chown root:root /usr/bin/a2fa
sudo chmod 755 /usr/bin/a2fa
clean files
rm -r /tmp/a2fa
rm a2fa_Linux_x86_64.tar.gz
sudo rm -rf /usr/bin/a2fa
brew install csyezheng/tap/a2fa
brew uninstall a2fa
One-liner bash script to install a2fa
sudo -v ; curl https://raw.githubusercontent.com/csyezheng/a2fa/main/scripts/install.sh | sudo bash
sudo -v ; curl https://raw.githubusercontent.com/csyezheng/a2fa/main/scripts/uninstall.sh | sudo bash
Fetch and unpack
curl -LO https://github.com/csyezheng/a2fa/releases/latest/download/a2fa_Darwin_x86_64.tar.gz
mkdir /tmp/a2fa
tar -xzf a2fa_Linux_x86_64.tar.gz -C /tmp/a2fa
Copy binary file
sudo mkdir -m 0555 /usr/local/bin
sudo cp /tmp/a2fa/a2fa /usr/local/bin/a2fa.new
sudo mv /usr/local/bin/a2fa.new /usr/local/bin/a2fa
sudo chmod a=x /usr/bin/a2fa
Remove the leftover files.
rm -r /tmp/a2fa/a2fa
rm a2fa_Darwin_x86_64.tar.gz
sudo rm -rf /usr/local/bin/a2fa
winget install -e --id csyezheng.a2fa --source winget
winget uninstall -e --id csyezheng.a2fa
One-liner PowerShell script to install a2fa
Invoke-Expression "& { $(Invoke-RestMethod 'https://raw.githubusercontent.com/csyezheng/a2fa/main/scripts/install.ps1') }"
Invoke-Expression "& { $(Invoke-RestMethod 'https://raw.githubusercontent.com/csyezheng/a2fa/main/scripts/uninstall.ps1') }"
Download precompiled binary from release page. Open this file in the Explorer and extract a2fa.exe. a2fa is a portable executable so you can place it wherever is convenient. Open a CMD window (or powershell) and run the binary.
Remove-Item -Path "$env:LOCALAPPDATA\a2fa" -Recurse -Force