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#Adicione essas linhas no seu ~/.bashrc

netinfo ()
{
    echo “————— NetWork information-------”
    /sbin/ifconfig | awk /'inet addr/ {print $2}'
    /sbin/ifconfig | awk /'Bcast/ {print $3}'
    /sbin/ifconfig | awk /'inet addr/ {print $4}'
    /sbin/ifconfig | awk /'HWaddr/ {print $4,$5}'
    myip=`lynx -dump -hiddenlinks=ignore -nolist http://checkip.dyndns.org:8245/ | sed '/^$/d; s/^[ ]*//g; s/[ ]*$//g' `
    echo
    echo “${myip}”
    echo ""

}


#e depois rode
soure ~/.bashrc

#agora chame a função netinfo();

netinfo