###### suse12sp5
## 更新主机名
```bash
hostnamectl set-hostname NAME
```
## 禁用所有源
```bash
zypper mr -da
```
## 添加源
```bash
zypper addrepo -f http://mirrors.aliyun.com/opensuse/distribution/leap/42.3/repo/oss/ openSUSE-42.3-Oss
```
## 源更新缓存
```bash
zypper clean && zypper refresh
```
## 下载包到本地
```bash
zypper --pkg-cache-dir /root/test download lrzsz