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Why its necessary to set a static ip and then put in the /etc/hosts file
put the static ip and host to install hadoop? like this:
127..0.1 localhost
::1 localhost
192.10.1.20 hadoophost
In general...
Why its necessary to set a static ip
Because if the machine reboots and acquires a new IP address via DHCP, then your cluster completely breaks.
Other than that, adding an entry to /etc/hosts allows the computer to reference other computers and itself by hostname rather than IP address.
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Closed 1 year ago.
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I'm trying to connect my Heroku app to Atlas MongoDB using static IP.
I've installed QuotaGuard Shield Static IP.
When running heroku run bash and then running curl http://icanhazip.com/ I get a different IP than then ones mentioned in QuotaGuard Shield's dashboard.
Does anyone know what am I missing in the configuration of QG Shield?
You need to use curl -x $QUOTAGUARDSHIELD_URL http://icanhazip.com.
You have to tell curl to use the proxy.
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Closed 3 years ago.
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I have a SOCKS proxy forwarding port 9999 on my local machine to a remote development server. I use that proxy connection with Firefox so that I can access the dev server's network, but I also want to be able to forward localhost connections in Firefox to the remote server's localhost to connect to various services running there. I have removed localhost and 127.0.0.1 from the "No proxy for" setting and it still doesn't work. How do I make it work?
You have to change another setting, in addition to removing localhost and 127.0.0.1 from the "No proxy for" box: set network.proxy.allow_hijacking_localhost to true in about:config.
This was changed recently. Source: https://bugzilla.mozilla.org/show_bug.cgi?id=1535581
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Closed 6 years ago.
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I have a Windows VM on Azure and I don't understand why my ping times out.
I found a probable reason: on Azure portal I see public IP "40.127.163.20", but inside VM when I do ipconfig I see different IP that is strange.
Do you have any ideas?
ICMP protocol is not permitted through the Azure load balancer (inbound or outbound) which means that you can't do a simple ping to your VM. There is a : user voice request for this to be enabled here.
This blog here describes how you can use a port ping as an alternative.
There is some documentation on how to set up an Instance Level IP, which would circumnavigate the load balancer and give direct communication to the Virtual Machine, but I haven't tried this approach (I'm giving it a go right now, will report back)
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Closed 7 years ago.
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I'm trying to run an installation (for a software called Prohits to manage mass spectrometry data) on my localhost server.
One of the requirements is that it occurs over a static IP address. So I set up a static IP address using directions here and verified that it worked by navigating to other webpages. However, the installation is still not able to run and still shows the following error:
WebAddress: 127.0.0.1
Use the server static IP address to run the installation. If this computer has dynamic IP address, it can only run the Lite version`
I don't know if I'm interpreting the error incorrectly or am missing something. The instructions for network configuration state 'Set a fixed IP address and DNS address for the server' which I've done.
The installation should not be run using the 127.0.0.1 address; it should be run using the same static IP address as the address that is set for the network. So if the static IP address is set to something like 192.45.134.52, then the localhost server should also be running on that same address.
To implement this change, open up the hosts file at /etc/hosts and change your localhost server's IP address to the static IP address you set (in this example, 192.45.134.52).
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I am using internet behind NAT, of my institute. I have no access to router's username and password. I want to host a website from my laptop. Is there any way I could host it?
That really depends on the configuration of the main router, but the answer is probably "no". Most likely main router doesn't forward any ports to your laptop.
Of course there are workaround, like for example, setting a VPN or SSH tunnel connection to another server that will forward ports to your computer, but if you'll have access to the server that is already accessible from the internet - you'll just host your site there.