hostname

I have legacy PHP application. It used mysqli to make mysql things. So in config I have DSN string to connect to mysql service. Like that mysql://username:password@db_hostname/dbname Mysqli returns error Warning: mysqli::real_connect(): php_network_getaddresses: getaddrinfo failed: Name or service not known But if I will try connect by hand using this mysqli::real_connect("db_hostname") It says Warning: mysqli::real_connect(): (HY000/1045): Access denied for user ''@'172.21.0.3' (using password: NO) real_connect("user@db_hostname") , real_connect("mysql:db_hostname") , real_connect("mysql:host

I am working on wifi based chat engine and I was able to retrieve the list of hosts connected to current wifi network by followin this link and now got list of devices with ip addresses but i need host name from the ip address and tried following InetAddress inetAddr; try { inetAddr = InetAddress.getByName(host.hostname); String hostname = inetAddr.getHostName(); String canonicalHostname = inetAddr.getCanonicalHostName(); holder.computerName.setText("Canonical : "+host.hostname); } catch (Exception e) { e.printStackTrace(); } Here the host name and canonical host name both are displaying ip

string machineName = System.Environment.MachineName; This code doesn't work for me, error code 'Environment' does not contain a definition for 'MachineName' I'm using Visual Studio 2015 and Universal App with C# Please also list the namespace I need to use when you post an answer. You need to use NetworkInformation.GetHostNames . var hostNames = Windows.Networking.Connectivity.NetworkInformation.GetHostNames(); But note that this method will return multiple HostName s. In my case, it returns four HostName s of which DisplayName s are MyComputerName , MyComputerName.local plus two IP addresses.

How can I have a function in python that returns 1 if the a hostname resolves and 0 if a hostname does not. I couldn't find anything useful, any thoughts? Thanks, You can use socket.gethostbyname() for this: >>> import socket >>> socket.gethostbyname('google.com') '74.125.224.198' >>> socket.gethostbyname('foo') # no host 'foo' exists on the network Traceback (most recent call last): File "<stdin>", line 1, in <module> socket.gaierror: [Errno 8] nodename nor servname provided, or not known Your function might look like this: def hostname_resolves(hostname): try: socket.gethostbyname(hostname)

I'm still learning Node JS and javascript and have an app. I have a configuration file where I need to grab the hostname of the server on Ubuntu 12.04 I tried something like: window.location.hostname But that did not work. Sample code below: exports.config = { app_name : [ window.location.hostname ] } If I use a string, it will load fine, but this is going to be managed through Github and needs to be differentiated when the app loads. John Smith According to the node.js documentation for the "os" module you need to load the "os" module, which has a hostname() function: var os = require("os");