升级流程：
下载地址：http://ftp.gnu.org/pub/gnu/glibc/
apt-get install gawk
../configure --prefix=/usr
make -j18
make install
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libc-2.23.so /lib64/libc.so.6
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libm-2.23.so /lib64/libm.so.6
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libpthread-2.23.so /lib64/libpthread.so.0
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/librt-2.23.so /lib64/librt.so.1
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libc-2.23.so /lib/x86_64-linux-gnu/libc.so.6
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/ld-2.23.so /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libanl-2.23.so /lib/x86_64-linux-gnu/libanl.so.1
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libBrokenLocale-2.23.so /lib/x86_64-linux-gnu/libBrokenLocale.so.1
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libcidn-2.23.so /lib/x86_64-linux-gnu/libcidn.so.1
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libcrypt-2.23.so /lib/x86_64-linux-gnu/libcrypt.so.1
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libdl-2.23.so /lib/x86_64-linux-gnu/libdl.so.2
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libm-2.23.so /lib/x86_64-linux-gnu/libm.so.6
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libmvec-2.23.so /lib/x86_64-linux-gnu/libmvec.so.1
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libnsl-2.23.so /lib/x86_64-linux-gnu/libnsl.so.1
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libnss_compat-2.23.so /lib/x86_64-linux-gnu/libnss_compat.so.2
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libnss_db-2.23.so /lib/x86_64-linux-gnu/libnss_db.so.2
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libnss_dns-2.23.so /lib/x86_64-linux-gnu/libnss_dns.so.2
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libnss_files-2.23.so /lib/x86_64-linux-gnu/libnss_files.so.2
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libnss_hesiod-2.23.so /lib/x86_64-linux-gnu/libnss_hesiod.so.2
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libnss_nisplus-2.23.so /lib/x86_64-linux-gnu/libnss_nisplus.so.2
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libnss_nis-2.23.so /lib/x86_64-linux-gnu/libnss_nis.so.2
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libpthread-2.23.so /lib/x86_64-linux-gnu/libpthread.so.0
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libresolv-2.23.so /lib/x86_64-linux-gnu/libresolv.so.2
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/librt-2.23.so /lib/x86_64-linux-gnu/librt.so.1
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libthread_db-1.0.so /lib/x86_64-linux-gnu/libthread_db.so.1
LD_PRELOAD=/lib64/libc-2.23.so ln -sf /lib64/libutil-2.23.so /lib/x86_64-linux-gnu/libutil.so.1