解决sudo apt-get update无法更新的问题

一、
参考链接
http://blog.sina.com.cn/s/blog_b953bc190102xe3j.html 无用
https://blog.csdn.net/yjk13703623757/article/details/78998443
最后一步
将上述的对号去掉，然后关闭。
二

E: Could not get lock /var/lib/apt/lists/lock - open (11: Resource temporarily unavailable) 
E: Unable to lock directory /var/lib/apt/lists/

solve:

sudo rm /var/cache/apt/archives/lock
sudo rm /var/lib/dpkg/lock