Linux This page covers setting HTTP and SOCKS5 proxies for command-line tools on Linux. Configuration# Set the proxy with environment variables. Configure a proxy# Set the proxy environment variables. HTTP uses port 7890 and SOCKS5 uses port 7891: shexport https_proxy="http://127.0.0.1:7890"export http_proxy="http://127.0.0.1:7890"export all_proxy="socks5://127.0.0.1:7891"