Installing Duo Security on Ubuntu

Duo Security offer a free two factor authentication (limited to 10 users), which I have found very useful to secure servers. http://www.duosecurity.com/docs/duounix First install the compiling software sudo apt-get install build-essential automake checkinstall libssl-dev libpam-dev Visit https://github.com/duosecurity/duo_unix/downloads to download the latest version of of install, and use wget to dowload it. sudo wget https://dl.duosecurity.com/duo_unix-latest.tar.gz…

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