实验室机房搭建High Availability Openstack 环境,为了保证内网的安全，我们采用了jumpbox的方式来访问内部server。这样内部
结点无法访问外网，安装package不太方便，于是在jumpbox上面制作一个ubuntu的全镜像站。
sudo apt-get install apache2 sudo apt-get install apt-mirror
apt-mirror 是镜像工具，apache2是为了给局域网服务器提供http服务
1.配置/etc/apt/mirror.list
新建一个目录用来存放package，在下载前预留足够的控件，trusty所有的包和src一共需要大概140G
# mkdir /mnt/trusty-repositor
# vim /etc/apt/mirror.list
############# config ##################
#
set base_path /mnt/trusty-repository #设置根目录
#
# set mirror_path $base_path/mirror
# set skel_path $base_path/skel
# set var_path $base_path/var
# set cleanscript $var_path/clean.sh
# set defaultarch <running host architecture>
# set postmirror_script $var_path/postmirror.sh
# set run_postmirror 0
set nthreads 20
set _tilde 0
#
############# end config ##############
###########ubuntu 14.04 software source
deb http://archive.ubuntu.com/ubuntu trusty main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu trusty-security main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu trusty-updates main restricted universe multiverse
##########################################
#deb http://archive.ubuntu.com/ubuntu trusty-updates main restricted universe multiverse
##########################################
#deb http://archive.ubuntu.com/ubuntu trusty-proposed main restricted universe multiverse
#deb http://archive.ubuntu.com/ubuntu trusty-backports main restricted universe multiverse
####################ubuntu src source
deb-src http://archive.ubuntu.com/ubuntu trusty main restricted universe multiverse #磁盘空间不足，不需要源码，可以不下载，几乎减少一半
deb-src http://archive.ubuntu.com/ubuntu trusty-security main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu trusty-updates main restricted universe multiverse
######################################
#deb-src http://archive.ubuntu.com/ubuntu trusty-proposed main restricted universe multiverse
#deb-src http://archive.ubuntu.com/ubuntu trusty-backports main restricted universe multiverse
#clean http://ubuntu-cloud.archive.canonical.com/ubuntu trusty-updates/juno main
#clean http://archive.ubuntu.com/ubuntu
clean http://archive.ubuntu.com/ubuntu
2.配置apache2
习惯上apache2的默认主目录是/var/www
#vim /etc/apache2/sites-available/000-default.conf
DocumentRoot /var/www 可以自定义为自己想要的目录
#ln -s /mnt/trusty-repository /var/www/ubuntu
#ln -s /mnt/trusty-repository/mirror/archive.ubuntu.com /var/www/ubuntu
3.在局域网客户端处配置source.list
#vim /etc/apt/source.list
删除其他，添加一行
deb http://10.74.15.13/ubuntu/ubuntu trusty main restricted universe multiverse
#vim apt-get update