After 05-001Linux upgrade glibc upgrade CentOS kernel version

By the first upgrade glibc version 1.2 to 2.17

glibc-2.17.tar.gz Download .

[root@hadoop1 ~]# tar -xf glibc-2.17.tar.gz
[root@hadoop1 ~]# cd glibc-2.17
[root@hadoop1 ~]# mkdir build; cd build
[root@hadoop1 ~]# ../configure --prefix=/usr --disable-profile --enable-add-ons --with-headers=/usr/include --with-binutils=/usr/bin
[root@hadoop1 ~]# make -j 8
[root@hadoop1 ~]# make install
[root@hadoop1 ~]# strings /lib64/libc.so.6 | grep GLIBC
[root@hadoop1 ~]# shutdown -r now
[root@hadoop1 ~]# ldd --version

CentOS kernel upgrade

[root@hadoop1 ~]# uname -r
[root@hadoop1 ~]# uname -a
[root@hadoop1 ~]# rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
[root@hadoop1 ~]# rpm -Uvh http://www.elrepo.org/elrepo-release-6-8.el6.elrepo.noarch.rpm
[root@hadoop1 ~]# yum --enablerepo=elrepo-kernel install kernel-lt -y
[root@hadoop1 ~]# vim /etc/grub.conf
[root@hadoop1 ~]# 因为一般新内核是第一个，按下面截图所示修改default值为0
[root@hadoop1 ~]# shutdown -r now

Reference finishing in CentOS6.X kernel upgrade to 3.10 or even higher , version glibc library upgrade from 2.12 to 2.17