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Regular expression to match DNS hostname or IP Address?
... have a regular expression handy that will match any legal DNS hostname or IP address?
21 Answers
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How do I connect to this localhost from another computer on the same network?
...ing for a computer. So it will try to resolve the name symfony.local to an IP address. It will do this by first looking into the hosts file on your computer to see if he can match an IP address to what you typed in the address bar. If it can't, then it will ask DNS servers. The trick here is to appe...
Docker build “Could not resolve 'archive.ubuntu.com'” apt-get fails to install anything
...S server 8.8.8.8 in order to turn the text address of 'google.com' into an IP address. Ironically, 8.8.8.8 is Google's public DNS server. If nslookup fails, public DNS servers like 8.8.8.8 might be blocked by your company (which I assume is for security reasons).
You'd think that adding your compan...
Configure Flask dev server to be visible across the network
...annot access it from other machines on the network (with http://[dev-host-ip]:5000 ). With Rails in dev mode, for example, it works fine. I couldn't find any docs regarding the Flask dev server configuration. Any idea what should be configured to enable this?
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Can two applications listen to the same port?
Can two applications on the same machine bind to the same port and IP address? Taking it a step further, can one app listen to requests coming from a certain IP and the other to another remote IP?
I know I can have one application that starts off two threads (or forks) to have similar behavior, but...
How to find the port for MS SQL Server 2008?
...k on SQL Native Client 10.0 Configuration -> Client Protocols -> TCP/IP
double click ( Right click select Properties ) on TCP/IP.
You will find Default Port 1433.
Depending on connection, the port number may vary.
shar...
Loadbalancing web sockets
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Put a L3 load-balancer that distributes IP packets based on source-IP-port hash to your WebSocket server farm. Since the L3 balancer maintains no state (using hashed source-IP-port) it will scale to wire speed on low-end hardware (say 10GbE). Since the distribution...
How to access the local Django webserver from outside world
...on port 8000.
It doesn't matter whether you access the webserver with the IP or the hostname. I guess you are still in your own LAN.
If you really want to access the server from outside, you also have to configure your router to forward port e.g. 8000 to your server.
Check your firewall on your ...
How to fix the “java.security.cert.CertificateException: No subject alternative names present” error
...od and Production. 1. Make host entry on windows host file 2. Or else add IP or FQDN names on Subject alternative names fields in the certs
– Shankar
Dec 7 '18 at 10:00
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Getting MAC Address
...comment by vishnubob and improved by on Ben Mackey in this activestate recipe
#!/usr/bin/python
import fcntl, socket, struct
def getHwAddr(ifname):
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
info = fcntl.ioctl(s.fileno(), 0x8927, struct.pack('256s', ifname[:15]))
return ':...