Welcome to Ubuntu 18.04.6 LTS (GNU/Linux 4.9.253-tegra aarch64)

* Documentation: https://help.ubuntu.com
* Management: https://landscape.canonical.com
* Support: https://ubuntu.com/advantage
This system has been minimized by removing packages and content that arenot required on a system that users do not log into.

To restore this content, you can run the 'unminimize' command.

0 updates can be applied immediately.

Last login: Mon Aug 8 18:40:44 2022 from 192.168.1.23
j@ubuntu:~$ ./clash
-bash: ./clash: 没有那个文件或目录
j@ubuntu:~$ cd 下载
j@ubuntu:~/下载$ ls
clash
j@ubuntu:~/下载$ sudols
-bash: sudols: 未找到命令
j@ubuntu:~/下载$ ./clash
WARN[0000] [CacheFile] can't open cache file: timeout
ERRO[0000] Start Mixed(http+socks) server error: listen tcp 127.0.0.1:7890: bind: address already in use