export http_proxy=http://192.168.224.1:10809
export https_proxy=http://192.168.224.1:10809
export ftp_proxy=http://192.168.224.1:10809
export http_proxy=192.168.224.1:10809
export https_proxy=192.168.224.1:10809
export ftp_proxy=192.168.224.1:10809
export http_proxy=20.10.0.10:808
export https_proxy=20.10.0.10:808
export ftp_proxy=20.10.0.10:808
unset http_proxy
unset https_proxy
unset ftp_proxy