一、下载安装包
wget http://copr-be.cloud.fedoraproject.org/results/mosquito/myrepo-el6/epel-6-x86_64/glibc-2.17-55.fc20/glibc-2.17-55.el6.x86_64.rpm
wget http://copr-be.cloud.fedoraproject.org/results/mosquito/myrepo-el6/epel-6-x86_64/glibc-2.17-55.fc20/glibc-common-2.17-55.el6.x86_64.rpm
wget http://copr-be.cloud.fedoraproject.org/results/mosquito/myrepo-el6/epel-6-x86_64/glibc-2.17-55.fc20/glibc-devel-2.17-55.el6.x86_64.rpm
wget http://copr-be.cloud.fedoraproject.org/results/mosquito/myrepo-el6/epel-6-x86_64/glibc-2.17-55.fc20/glibc-headers-2.17-55.el6.x86_64.rpm
二、安装下载的包
rpm -Uvh glibc-2.17-55.el6.x86_64.rpm glibc-common-2.17-55.el6.x86_64.rpm glibc-devel-2.17-55.el6.x86_64.rpm glibc-headers-2.17-55.el6.x86_64.rpm --force --nodeps
三、检查安装是否成功
strings /lib64/libc.so.6 | grep GLIBC
执行命令：
Ldd --version
显示 ldd (GNU libc) 2.17 表示当前glibc版本为2.17，如下图：
以上测试正常为glibc2.17升级成功！