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最新推荐文章于 2024-07-09 17:05:51 发布

Fred__Kang

最新推荐文章于 2024-07-09 17:05:51 发布

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分类专栏：安卓

本文链接：https://blog.youkuaiyun.com/u011208377/article/details/27360285

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1 sudo passwd root: change the root password

2 sudo su: let me be the manager

3 ls -l path and filename:show the authority of the file,such as drwx

4 chmod u+x filename:give the user x authority

5 chmod g+x filename:give the group x authority

6 chmod [ugoa] [+-=] [rwx]

7 chmod 777 filename:the all users and group have the authority:

read,write,x(kezhixing)

8 tar -xzf xxxx.tgz:extract the .tgz file

9 gedit /etc/hosts:change the ubuntu host,add"74.125.237.1 　　dl-ssl.google(period)com" to host file to solve "Download interrupted: Connection to https://dl-ssl.google(period)com refused" in linux sdk