unbuntu-14.04系统
libvirt-1.2.11
2015-10-19 02:19:17.197+0000: 17757: error : virJSONValueToString:1549 : internal error: No JSON parser implementation is available
解决方法：安装yajl-devel，并重新编译运行libvirt
安装yajl-devel
wget -O yajl-2.0.1.tar.gz
tar -xzvf yajl-2.0.1.tar.gz
cd lloyd-yajl-f4b2b1a
/usr/bin/env: ruby: No such file or directory
yum install ruby
./configure
make
sudo make install
echo "/usr/local/lib" | sudo tee /etc/ld.so.conf.d/libyajl.conf