1，编译出错： undefined reference to `boost::system::system_category()' 增加编译选项 -l boost_system undefined reference to `pthread_getspecific' 增加编译选项 -lpthread 则最终的gcc编译命令为：g++ server.cpp -o main -l boost_system -lpthread 2，运行出错 ./main: error while loading shared libraries: libboost_system.so.1.49.0: cannot open shared object file: No such file or directory 输入ldconfig命令， ldconfig是一个动态链接库管理命令，为了让动态链接库为系统所共享