centos 6.3 docker 安装

1.升级内核

查看内核版本

uname -r

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#升级

rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org

rpm -Uvh http://www.elrepo.org/elrepo-release-6-6.el6.elrepo.noarch.rpm

yum --enablerepo=elrepo-kernel install kernel-lt -y

vim /etc/grub.conf  #将新版内核default改为0

reboot

2.安装docker

wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-6.repo

#wget -O /etc/yum.repos.d/epel.repo http://www.hop5.in/yum/el6/hop5.repo

yum install docker-io