关于docker的更多信息,请移步度娘。以下两个链接也对docker有了具体的介绍:
http://www.docker.org.cn/book/docker/what-is-docker-16.html
http://udn.yyuap.com/doc/docker_practice/image/list.html
本篇仅仅用于记下自己在centos6.5环境下安装docker的过程。
一.升级内核
1.检查并升级内核
uname -r
centos6.5默认内核版本为2.6,而docker官方文档要求内核要在3.8以上,并且只能运行于64位系统。故需升级内核版本(此处为带aufs模块):
cd /etc/yum.repos.d wget http://www.hop5.in/yum/el6/hop5.repo yum install kernel-ml-aufs kernel-ml-aufs-devel
2.修改grub的主配置文件/etc/grub.conf,设置default值将升级的内核作为默认启动的kernel。
default=0 timeout=5 splashimage=(hd0,0)/grub/splash.xpm.gz hiddenmenu title CentOS (3.10.5-3.el6.x86_64) root (hd0,0) kernel /vmlinuz-3.10.5-3.el6.x86_64 ro root=UUID=c243bf98-2ece-41a4-b660-b11e8d786fcb rd_NO_LUKS rd_NO_LVM LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16 crashkernel=auto KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb quiet initrd /initramfs-3.10.5-3.el6.x86_64.img title CentOS (2.6.32-431.el6.x86_64) root (hd0,0) kernel /vmlinuz-2.6.32-431.el6.x86_64 ro root=UUID=c243bf98-2ece-41a4-b660-b11e8d786fcb rd_NO_LUKS rd_NO_LVM LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16 crashkernel=auto KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb quiet initrd /initramfs-2.6.32-431.el6.x86_64.img
3.重启系统后查看内核是否正确启动。
[root@localhost ~]# uname -r 3.10.5-3.el6.x86_64
4.查看内核支持aufs
[root@localhost ~]# grep aufs /proc/filesystems nodev aufs
二.安装Docker
1.关闭selinux
setenforce 0 sed -i '/^SELINUX=/c\SELINUX=disabled' /etc/selinux/config
2.下载安装epel
wget http://mirrors.sohu.com/fedora-epel/6/x86_64/epel-release-6-8.noarch.rpm rpm -ivh epel-release-6-8.noarch.rpm sed -i 's/^mirrorlist=https/mirrorlist=http/' /etc/yum.repos.d/epel.repo
3.安装docker-io:
yum -y install docker-io
4.启动docker:
service docker start
5.查看docker版本:
docker version
此时,docker安装完成。关于docker的命令及介绍,移步:
http://www.docker.org.cn/book/docker/what-is-docker-16.html http://udn.yyuap.com/doc/docker_practice/image/list.html