安装被控时，http://down.tasiyun.com/installer/nokvm_node_v2.1.7.tar.gz 下载不了，一直在尝试。
yum install wget -y && wget -O nokvm_node_v2.1.7.tar.gz http://down.tasiyun.com/installer/nokvm_node_v2.1.7.tar.gz && tar xzf nokvm_node_v2.1.7.tar.gz && cd node_2.1.7 && ./installer
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
- base: mirror.xtom.com.hk
- epel: download.nus.edu.sg
- extras: mirror.xtom.com.hk
- updates: mirror.xtom.com.hk
Package wget-1.14-18.el7_6.1.x86_64 already installed and latest version
Nothing to do
--2023-04-20 14:07:02-- http://down.tasiyun.com/installer/nokvm_node_v2.1.7.tar.gz
Resolving down.tasiyun.com (down.tasiyun.com)... 45.253.64.15
Connecting to down.tasiyun.com (down.tasiyun.com)|45.253.64.15|:80... failed: Connection timed out.
Retrying.
--2023-04-20 14:09:10-- (try: 2) http://down.tasiyun.com/installer/nokvm_node_v2.1.7.tar.gz
Connecting to down.tasiyun.com (down.tasiyun.com)|45.253.64.15|:80... failed: Connection timed out.
Retrying.
--2023-04-20 14:11:19-- (try: 3) http://down.tasiyun.com/installer/nokvm_node_v2.1.7.tar.gz
Connecting to down.tasiyun.com (down.tasiyun.com)|45.253.64.15|:80...
