我在亚马逊有两台机器。web01和db01。我在db01上安装了PostgreSQL,并在pg_hba.conf中添加了web01的弹性ip
host dbname username 64.210.245.155/32 md5
并重新启动了postgresql服务。现在在web01中,我尝试连接到db01的弹性ip
$ psql -h 64.210.255.222 -U user -d database
psql: could not connect to server: No route to host
Is the server running on host "64.21
我在阿里巴巴自由弹性IP中运行代码时收到了这样的消息:
OSError: [Errno 99] error while attempting to bind on address ('147.139.5.81', 31333): cannot assign requested address
以下是在亚马逊EC2中运行正常的代码:
ip = '147.139.5.81' #In Amazon EC2, ip will be different
start_server = websockets.serve(
hello, ip, 313