摘要：
Object start_index = o1.get(0); String start_index_str = start_index.toString(); long start_index_str_long = Long.parseLong(start_index_str); System.o 阅读全文
摘要：
sudo service NetworkManager stop sudo rm /var/lib/NetworkManager/NetworkManager.state sudo service NetworkManager start 测试ifconfig 阅读全文