Proxy for Linux

1. Enable proxy through dynamic port forwarding in ssh (the sockets proxy port is 5000)

   ssh -vv -N -D 5000 user@hostname
   

2. apt proxy

   1. -o option

      sudo apt -o Acquire::http::proxy="socks5h://127.0.0.1:5000" update
      

   2. configure file /etc/apt/apt.conf

      Acquire::http::proxy "http://127.0.0.1:8000/";
      Acquire::ftp::proxy "ftp://127.0.0.1:8000/";
      Acquire::https::proxy "https://127.0.0.1:8000/";
      

3. curl proxy

   use configure file ~/.curlrc or command line option -x

   curl -x socks5h://localhost:5000 -L -O <url>