> For the complete documentation index, see [llms.txt](https://cf337188.gitbook.io/01/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cf337188.gitbook.io/01/20191029-1.md).

# 20191029

docker

{% embed url="<https://www.realvnc.com/en/connect/download/viewer/>" %}

```
cd learn_docker_by_examples
cd ch13
docker build -t cf337188/ch13_remoteubuntu .
成功後:
docker run -it --rm -p 5901:5901 -e USER=root cf337188/ch13_remoteubuntu bash -c "vncserver :1 -geometry :1 -geometry 1280x800 -depth 24 && tail -F /root/.vnc/*.log"
這步做出來會需要設定密碼
檢查防火牆是否關閉
systemctl disable firewalld 
systemctl stop firewalld
檢查selinux是否為disabled
setenforce 0
getenforce
儲存指令:
vim run_ch13.sh
chmod +x run_ch13.sh
或是編輯
/etc/selinux/config
把SELINUX=enforceing改成disabled
並且重開機
開啟VNC viewer
```