docker55

[root@docker02 ~]# docker run -it centos

[root@fc191527f87c /]# cd /etc/yum.repos.d/
[root@fc191527f87c yum.repos.d]# ls
CentOS-Base.repo CentOS-Debuginfo.repo CentOS-Sources.repo CentOS-fasttrack.repo
CentOS-CR.repo CentOS-Media.repo CentOS-Vault.repo

[root@fc191527f87c yum.repos.d]# rm -rf *
[root@fc191527f87c yum.repos.d]# vi centos.repo
[centos]
name=centos
baseurl=ftp://192.168.3.254/CentOS7
enabled=1
gpgcheck=0

[root@fc191527f87c yum.repos.d]# yum clean all
[root@fc191527f87c yum.repos.d]# yum -y install net-tools iproute psmisc vim-enhanced

[root@fc191527f87c yum.repos.d]# yum -y install httpd
[root@fc191527f87c yum.repos.d]# echo "hello httpd" > /var/www/html/index.html
[root@fc191527f87c yum.repos.d]# cat /etc/httpd/conf/httpd.conf | grep ServerName
# ServerName gives the name and port that the server uses to identify itself.
#ServerName www.example.com:80

[root@fc191527f87c ~]# vi /etc/httpd/conf/httpd.conf
[root@fc191527f87c ~]# cat /etc/httpd/conf/httpd.conf | grep ServerName
# ServerName gives the name and port that the server uses to identify itself.
ServerName localhost:80

[root@fc191527f87c ~]# cat /usr/lib/systemd/system/httpd.service
[root@fc191527f87c ~]# /usr/sbin/httpd $OPTIONS -k graceful
httpd not running, trying to start

[root@fc191527f87c ~]# ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 172.17.0.2 netmask 255.255.0.0 broadcast 0.0.0.0

[root@c2f0d3b33bd8 ~]# exit
exit
[root@docker01 ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
[root@docker01 ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
c2f0d3b33bd8 centos "/bin/bash" 5 minutes ago Exited (0) 36 seconds ago naughty_morse
1ca1f2936681 192.168.3.31:5000/myos:latest "/bin/bash" 41 hours ago Exited (1) 50 minutes ago pedantic_torvalds
[root@docker01 ~]# docker commit c2f0d3b33bd8 myos1:latest
sha256:68c6a691cd726902dfe805ab7de97ce6a7c3057da0aac54808b17b5d8a15ef52

[root@docker01 ~]# docker run -it myos1
[root@1d8c8857b692 /]# exit