CentOS6 upgrade glibc operation steps

strings /lib64/libc.so.6 |grep GLIBC_

#Download the source package wget http://ftp.gnu.org/gnu/glibc/glibc-2.14.tar.gz
#Unzip tar -xvf glibc-2.14.tar.gz
#Enter the source directory cd glibc-2.14
#Create a compilation directory and enter it mkdir build && cd build 
# Compile glibc
../configure --prefix=/usr/local/glibc-2.14
make && make install

# First delete the original soft link rm -rf /lib64/libc.so.6
#Create a new soft link ln -s /usr/local/glibc-2.14/lib/libc-2.14.so /lib64/libc.so.6
#If the system command is not available, execute:
LD_PRELOAD=/usr/local/glibc-2.14/lib/libc-2.14.so ln -s /usr/local/glibc-2.14/lib/libc-2.14.so /lib64/libc.so.6
#If the update fails, perform a restore:
LD_PRELOAD=/lib64/libc-2.12.so ln -s /lib64/libc-2.12.so /lib64/libc.so.6
#Solve the problem of garbled Chinese characters after upgrading cp /usr/lib/locale/locale-archive /usr/local/glibc-2.14/lib/locale/locale-archive
#Solve the problem of incorrect time zone ln -sf /etc/localtime /usr/local/glibc-2.14/etc/localtime