AWS

未分类

what is cloud computing

convient,on demand newtwork access to a shaerd pool of configurable(可配置的) computing resources.

1 domain name
2 space--买了整个infrustructure

和hosted services 区分：
user can manage servers,automate the servaces ,self serverce,scale,less cost.

openstack
cloudstack

cloud种类

hybrid cloud:混合了两个cluod
private
public
community

3models in cloud

Iaas:infrusture as a service,可以控制成本，borrow service from them,borrow machine,do what ever you want to do on the machine ,可以keep 增加machine,你的responsponsibility 也增建了，内容的安全是你user来负责，amazon 不管，

Paas :platform as a service

Saas: software as a service,borrow software,

1regions:where we borrow machine,我们借的电脑的位置
2 avialibility zones(AZ):places inside a regions
每个region至少要有两个

1ECO=2.0-2.2GHZ 2007Xeon

750hrl 每月免费额度

cmd:
cd desktop 切换到桌面
ls 显示
ssh-add chenyangma.pem 打开这个文件
chmod 400 *.pem 文件权限修改

ssh -i desktop ubuntu@54.213.176.101 打开虚拟机

apt-get update更新
apt-get install apache2

sudo apt-get install language-pack-UTF-8
or
sudo locale-gen UTF-8

ubuntu@ip-172-31-46-168:~$whoami ubuntu ubuntu@ip-172-31-46-168:~$ sudo -i