Ubuntu遠程桌面，類似於qq遠程桌面（Ubuntu沒有內置桌面系統嗎？）
$ sudo apt-get update $ sudo apt-get install x11vnc
$ x11vnc -storepasswd
Enter VNC password: ********* Verify password: ********* Write password to /root/.vnc/passwd? [y]/n y Password written to: /root/.vnc/passwd
x11vnc -auth guess -once -loop -noxdamage -repeat -rfbauth /root/.vnc/passwd -rfbport 5900 -shared
ubuntu16.4中開啟vncserver進行遠程桌面：https://www.cnblogs.com/zhaopengcheng/p/6017855.html (111)
vncViewer
如果安裝了x11/xrdp/gnome/kde，如果指定哪一個桌面系統：https://blog.csdn.net/wonengguwozai/article/details/51513890
Linux安全等級設置（securitylevel)：https://www.cnblogs.com/zxj015/p/4457868.html (/etc/sysconfig/system-config-securitylevel )
https://zhidao.baidu.com/question/406495809.html
http://www.169it.com/tech-qa-linux/article-11941332775654497555.html
linux系統的7種運行級別 https://www.cnblogs.com/acSzz/p/5435194.html
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