New answers tagged downgrade
32bit and 64bit are classed as different CPU architecture. You will have to perform a clean install. However if you just want to run 32bit programs you can install ia32-libs-multiarch to add 32bit support to the 64bit OS sudo apt-get install ia32-libs-multiarch
there is not way to revert the change. There are not an backup to the packages on https://launchpad.net/. As i know there are not any repository for cinnamon 2.2 on ubnutu 14.04 right now. The only way is find the old packages if they are on /var/cache/apt/archives and try to install it locally. As an alternative you can use ubuntu 14.10 or Debian, that ...
add dotdeb repo by following command : echo "deb http://php53.dotdeb.org stable all" | sudo tee -a /etc/apt/sources.list Fetch and install the GnuPG key wget http://www.dotdeb.org/dotdeb.gpg sudo apt-key add dotdeb.gpg Then sudo apt-get update The easy way to install the specific version is via synaptic all done also you should downgrade the ...
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