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2

You use new Xen hypervisor (>=4.1). You need change toolstack, xl to xm && restart xend. 1.Replace default xl toolstack to xm: echo "TOOLSTACK=xm" > /etc/default/xen 2.Check xend config http params ( if not exist -> create .xsp config): nano /etc/xen/xend-config.sxp .. (xend-http-server yes) (xend-port 80) ... 3.Restart xend: ...


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To connect to PPPoE/DSL using NetworkManager on 15.04 requires installing the pppoe package, which was not installed by default on my Lubuntu 15.04. sudo apt-get install pppoe I've reported this bug: https://bugs.launchpad.net/ubuntu/+bug/1455219


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My favorite tool dealing with processes and network usage is nethogs (install it with sudo apt-get install nethogs). This tool displays every process and the bandwidth it consumes, it doesn't show the IP-addresses where the processes are connecting though. You may have to start it with the interface name, e.g. sudo nethogs wlan0.


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If you only want to see those connection that arouse your suspicion you can really use lsof. sudo lsof -i | egrep -i "cloudfront|poneytelecom|dark" lsof -i restricts the output to internet connections. use egrep (instead of grep) to be able to supply alternatives in the search string (separated by |), -i tells egrep to ignore case (DARK vs. dark). If you ...


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You can run lsof -n|grep TCP to know which programs are connecting to which IPs.


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If you get a connection refused, it means you actually got a packet back which states that your destination does not accept your connection. This could mean a few things: github.com is down (not too likely, but you could always check their status on https://status.github.com/) you have an invalid IP address for github.com (manual entry in /etc/hosts or ...


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I had the same problem. Try running your spider as superuser. I was running the spider directly with the command scrapy runspider, when I just tried executing it with: sudo scrapy runspider it worked.


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Try do disable iptables: sudo service iptables stop && sudo service ip6tables stop Then restart hadoop. If this helped you need make proper configuration for your firewall.


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Eventually, I managed to make my service listen to the port 9000 by adding to the /etc/ssh/sshd_config file the following line: Port 9000 I followed this serverguide/openssh-server (it contains also some important remarks about making a copy of the original file, restarting the sshd server application etc.) After this I can see: telnet output: ...


1

TL;DR first, more details following: "Connection refused" is the error you get when you try to connect to a service on a computer or server (or locally on your own computer) when the said service is either not listening on the specified TCP port (wrong port or service not started), or when a firewall explicitly rejects a connection instead of ignoring the ...


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Open a terminal and type: sudo pppoeconf Enter your Ubuntu password. If you don't know how to answer the questions it asks you, answer with yes. Then it will ask you the DSL username and DSL password.


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I have the same problem and I found this to be the most helpful by now. Unable to use Wifi on Lenovo Z5070 It doesn’t work 100% of the time but at least I don't need to reboot every 2-3 hours.



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