centos6.3安装docker

1.升级内核 查看内核版本 uname -r #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 htt