Bitcoin curl no reply Hi I have made a curl to my server but get no reply . What am a missing 

 rpcuser=rpcusername
 rpcpassword=rpcpassword
 rpcauth=rpcusername:generatedkey
 daemon=1
 server=1
 rpcport=8332
 rpcbind=0.0.0.0:8332
 rpcallowip=0.0.0.0/0
 listen=1
 rpcconnect=0.0.0.0
 prune=10000


Whats strange is that it worked on another server. Why am I bot getting any reply. Bitcoin cli commands all work well . I get no reply not even the usual "empty reply"
You are trying to call the RPC interface incorrectly.  Your curl - 

$ curl --digest -u rpcusername:rpcpassword -X POST 127.0.0.1:8332/json_rpc -d "{\"jsonrpc\":\"2.0\",\"id\":\"0\",\"method\":\"getwalletinfo\"}" -H 'Content-Type:application/json'


has an incorrect path 127.0.0.1:8332/json_rpc you are posting to.  You should create your curl request with the following path - 127.0.0.1:8332/.

Working example, printing verbosely with -v

$ curl -v --digest -u rpcusername:rpcpassword -X POST 127.0.0.1:8332/ -d "{\"jsonrpc\":\"2.0\",\"id\":\"0\",\"method\":\"getwalletinfo\"}" -H 'Content-Type:application/json'