When using ros on ubuntu18.04 to open the small turtle interface node program, a segmentation error occurred, and the core has dumped this error

error:

Method one:

https://ask.csdn.net/questions/704153

sudo apt-get update
sudo apt-get upgrade 
//根据软件数据库的版本进行软件更新。
//执行了以上两个步骤之后便可以打开小海龟程序节点了

I will try first