ubuntu pdf乱码解决办法
wget http://poppler.freedesktop.org/poppler-data-0.1.tar.gz
tar xzvf poppler-data-0.1.tar.gz && cd poppler-data-0.1
sudo make install datadir=/usr/share
tar xzvf poppler-data-0.1.tar.gz && cd poppler-data-0.1
sudo make install datadir=/usr/share