[root@ip-172-31-17-186 /]# cd /etc/yum.repos.

d/

[root@ip-172-31-17-186 yum.repos.d]# ls

redhat-rhui-client-config.repo redhat-rhui.repo rhui-load-balancers.conf

[root@ip-172-31-17-186 yum.repos.d]# vi docker.repo

[dockerrepo]

name=DOCKER REPOSITORY

baseurl=https://yum.dockerproject.org/repo/main/centos/7/

enabled=1

gpgcheck=1

gpgkey=https://yum.dockerproject.org/gpg

[root@ip-172-31-17-186 yum.repos.d]# yum install docker-io -y

[root@ip-172-31-17-186 yum.repos.d]# service docker status

[root@ip-172-31-17-186 yum.repos.d]# service docker restart

[root@ip-172-31-17-186 /]# ifconfig

docker0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500

inet 172.17.0.1 netmask 255.255.0.0 broadcast 0.0.0.0

inet6 fe80::42:bdff:fe19:6deb prefixlen 64 scopeid 0x20<link>

ether 02:42:bd:19:6d:eb txqueuelen 0 (Ethernet)

RX packets 0 bytes 0 (0.0 B)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 3 bytes 258 (258.0 B)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 9001

inet 172.31.17.186 netmask 255.255.240.0 broadcast 172.31.31.255

inet6 fe80::f9:60ff:fee1:47e0 prefixlen 64 scopeid 0x20<link>

ether 02:f9:60:e1:47:e0 txqueuelen 1000 (Ethernet)

RX packets 252565 bytes 372789141 (355.5 MiB)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 43310 bytes 3481733 (3.3 MiB)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

[root@ip-172-31-17-186 /]# docker version or docker --version

[root@ip-172-31-17-186 /]# docker search ubuntu

[root@ip-172-31-17-186 /]# docker pull ubuntu

[root@ip-172-31-17-186 /]# docker pull centos

[root@ip-172-31-17-186 /]# docker images

REPOSITORY TAG IMAGE ID CREATED SIZE

centos latest 5182e96772bf 36 hours ago 200MB

ubuntu latest 735f80812f90 12 days ago 83.5MB

### To remove the image from the host ###

[root@ip-172-31-17-186 /]# docker rmi ubuntu

[root@ip-172-31-17-186 /]# docker rmi -f ubuntu

[root@ip-172-31-17-186 /]# docker images

REPOSITORY TAG IMAGE ID CREATED SIZE

centos latest 5182e96772bf 36 hours ago 200MB

### To view the docker process ###

[root@ip-172-31-29-169 ~]# docker ps

[root@ip-172-31-29-169 ~]# docker ps -a

[root@ip-172-31-29-169 ~]# docker ps -l

### Connect to a container with "unique-name"

[root@ip-172-31-29-169 ~]# docker run --name CG-App -it acaccf95a1ec[root@ip-172-31-

CONTAINER ID IMAGE COMMAND CREATED

548a70859993 acaccf95a1ec "/bin/bash" About a minute ago Up

### To stop, start, attach & kill a container ###

[root@ip-172-31-29-169 ~]# docker stop 548a70859993

548a70859993
[root@ip-172-31-29-169 ~]# docker kill 548a70859993

548a70859993

[root@ip-172-31-29-169 ~]# docker start 548a70859993

548a70859993

[root@ip-172-31-29-169 ~]# docker attach 548a70859993

root@548a70859993:/#

### To View IpAdd & MacAdd ###

[root@ip-172-31-29-169 ~]# docker inspect --format '{{ .NetworkSettings.IPAddress }}'

172.17.0.2

[root@ip-172-31-29-169 ~]# docker inspect --format '{{ .NetworkSettings.MacAddress }}'

02:42:ac:11:00:02

### To remove container ###

[root@ip-172-31-29-169 ~]# docker rm -f $(docker ps -a -q)

### To remove images ###

[root@ip-172-31-29-169 ~]# docker rmi -f $(docker images -q)

### Docker commit ####

[root@ip-172-31-29-169 ~]# docker run -it ubuntu

c785b11ae432

root@c785b11ae432:/# ls

bin boot dev etc home lib lib64 media mnt opt proc root run sbin srv
sys tmp usr var

root@c785b11ae432:/# cd /home/

root@c785b11ae432:/home# ls

root@c785b11ae432:/home# mkdir 2-Tier-Applications

root@c785b11ae432:/home# cd 2-Tier-Applications/

root@c785b11ae432:/home/2-Tier-Applications# touch web-server db-server web-logic-

root@c785b11ae432:/home/2-Tier-Applications# ls

db-server web-logic-server web-server

root@c785b11ae432:/home/2-Tier-Applications# touch server-logs-a.0.{1..10}

root@c785b11ae432:/home/2-Tier-Applications# ls

db-server server-logs-a.0.10 server-logs-a.0.3 server-logs-a.0.5 server-

server-logs-a.0.1 server-logs-a.0.2 server-logs-a.0.4 server-logs-a.0.6 server-

[root@ip-172-31-29-169 ~]# docker commit c785b11ae432 svimal/my-repository

sha256:2fa6feb16281eab09d3ec3b66a08d04b264e71ed53ad1bc6a09878a52fcb48f0

[root@ip-172-31-29-169 ~]# docker login

Login with your Docker ID to push and pull images from Docker Hub. If you don't have a
Docker ID, head over to https://hub.docker.com to create one.

Username (svimal): svimal

Password:

Login Succeeded

[root@ip-172-31-29-169 ~]# docker push svimal/my-registory

The push refers to repository [docker.io/svimal/my-registory]

f862d925af87: Pushed

ec8257ff6a7a: Mounted from library/ubuntu

7422efa72a14: Mounted from library/ubuntu

a26724645421: Mounted from library/ubuntu

a30b835850bf: Mounted from library/ubuntu

latest: digest:
sha256:24656a6a8d78c5148d77878f49c977138eb75b9444cd15b7209942e45221aed5 size: 1564

[root@ip-172-31-29-169 ~]# docker images

REPOSITORY TAG IMAGE ID CREATED

svimal/my-repository latest acaccf95a1ec 8 minutes

svimal/my-repository/ubuntu-vms latest 2fa6feb16281 11 minutes

[root@ip-172-31-29-169 ~]# docker run -it 2fa6feb16281

root@7471d7ff983c:/# ls /home

2-Tier-Applications