linux docker安装使用 Linux下Docker安装和使用教程
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Docker是一个开源的引擎，可以轻松的为任何应用创建一个轻量级的、可移植的、自给自足的容器。
开发者在笔记本上编译测试通过的容器可以批量地在生产环境中部署，包括VMs(虚拟机)、bare metal、OpenStack集群和其他的基础应用平台。
Docker的源代码全部是用Go语言写的。
一、基础环境
1、角色、ip、版本、内核
serverA 10.1.10.236 3.16.0-4-amd64 8.1 docket
docket 1.6.2
二、安装docter
1、添加源
echo "deb http://http.debian.net/debian jessie-backports main" >> /etc/apt/sources.list
2、更新源
apt-get update
3、安装docker.io包
apt-get install docker.io Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: aufs-tools cgroupfs-mount git git-man libapparmor1 liberror-perl libnih-dbus1 libnih1 makedev mountall plymouth Suggested packages: btrfs-tools debootstrap lxc rinse git-daemon-run git-daemon-sysvinit git-doc git-el git-email git-gui gitk gitweb git-arch git-cvs git-mediawiki git-svn desktop-base plymouth-themes The following NEW packages will be installed: aufs-tools cgroupfs-mount docker.io git git-man libapparmor1 liberror-perl libnih-dbus1 libnih1 makedev mountall plymouth 0 upgraded, 12 newly installed, 0 to remove and 54 not upgraded. Need to get 9,986 kB of archives. After this operation, 47.2 MB of additional disk space will be used. Do you want to continue? [Y/n]
4、查看版本
docker --version Docker version 1.6.2, build 7c8fca2
5、启动服务
/etc/init.d/docker start [ ok ] Starting docker (via systemctl): docker.service.
6、拉取debian和CentOS镜像
1)拉取debian镜像
docker pull debian latest: Pulling from debian 843e2bded498: Pull complete 8c00acfb0175: Pull complete debian:latest: The image you are pulling has been verified. Important: image verification is a tech preview feature and should not be relied on to provide security. Digest: sha256:d9168a2c1889b4c9d44952a23065c29b0656237909d618328275f42065602354 Status: Downloaded newer image for debian:latest
2)拉取centos镜像
docker pull centos Pulling repository centos 0f73ae75014f: Download complete 47d44cb6f252: Download complete f6f39725d938: Download complete f9a8cbc8dd13: Download complete f37e6a610a37: Download complete Status: Downloaded newer image for centos:latest
7、查看镜像
docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE debian latest 8c00acfb0175 3 weeks ago 125.2 MB centos latest 0f73ae75014f 3 weeks ago 172.3 MB
8、运行名为debian镜像的容器(虚拟
docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE debian latest 8c00acfb0175 3 weeks ago 125.2 MB centos latest 0f73ae75014f 3 weeks ago 172.3 MB
出1个debian系统)
1)运行debian镜像的容器
docker run -i -t debian
2)查看版本
root@10.1.10.236:~# docker run debian cat /etc/debian_version 8.2
3)查看IP(是dhcp获得 每次获得都不一样)
root@10.1.10.236:~# docker run debian ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 24: eth0: <NO-CARRIER,BROADCAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ac:11:00:0b brd ff:ff:ff:ff:ff:ff inet 172.17.0.11/16 scope global eth0 valid_lft forever preferred_lft forever inet6 fe80::42:acff:fe11:b/64 scope link tentative valid_lft forever preferred_lft forever
4)查看内核
root@10.1.10.236:~# docker run debian uname -r 3.16.0-4-amd64
5)查看硬盘分区情况
root@10.1.10.236:~# docker run -i -t debian df -Th Filesystem Type Size Used Avail Use% Mounted on none aufs 9.1G 1.6G 7.1G 18% / tmpfs tmpfs 115M 0 115M 0% /dev shm tmpfs 64M 0 64M 0% /dev/shm /dev/sda1 ext4 9.1G 1.6G 7.1G 18% /etc/hosts
9、运行名为centos镜像的容器(虚拟出1个centos系统)
1)运行centos镜像的容器
docker run -i -t centos
2)查看版本
root@10.1.10.236:~# docker run centos cat /etc/RedHat-release CentOS Linux release 7.1.1503 (Core)
3)查看内核
root@10.1.10.236:~# docker run centos uname -r 3.16.0-4-amd64
4)查看ip
root@10.1.10.236:~# docker run centos ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 46: eth0: <NO-CARRIER,BROADCAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state DOWN link/ether 02:42:ac:11:00:16 brd ff:ff:ff:ff:ff:ff inet 172.17.0.22/16 scope global eth0 valid_lft forever preferred_lft forever inet6 fe80::42:acff:fe11:16/64 scope link tentative valid_lft forever preferred_lft forever
5)查看硬盘分区情况
root@10.1.10.236:~# docker run centos df -Th Filesystem Type Size Used Avail Use% Mounted on rootfs rootfs 9.1G 1.6G 7.1G 18% / none aufs 9.1G 1.6G 7.1G 18% / tmpfs tmpfs 115M 0 115M 0% /dev shm tmpfs 64M 0 64M 0% /dev/shm /dev/sda1 ext4 9.1G 1.6G 7.1G 18% /etc/hosts tmpfs tmpfs 115M 0 115M 0% /proc/kcore tmpfs tmpfs 115M 0 115M 0% /proc/timer_stats
以上所述是小编给大家介绍的Linux下Docker安装和使用教程，希望对大家有所帮助，如果大家有任何疑问欢迎给我留言！
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