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ssh otp
09/29/17
Install oathtool.
sudo apt-get install oathtool libpam-oath
Generate a secret.
export HEX_SECRET=$(head -10 /dev/urandom | md5sum | cut -b 1-30)
Generate the TOTP details, 6 digits long.
oathtool --verbose --totp $HEX_SECRET
Enter the base32 secret in Android FreeOTP.
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