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    [lubuntu] Re: Determine Ethernet Card Speed

    sudo ethtool ethX
    Replace 'X' with your interface's number. Generally eth0 if you have only one ethernet card.
    Supported link modes will show 1000baseT if the card supports Gigabit ethernet.
    ...
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    Re: Beginners lsqlite3 problem

    This should fix your sqlite3 linking error:

    sudo apt-get install libsqlite3-dev
  3. [SOLVED] Re: help with bash environmental variable setting, please

    Your env variables look okay. What error are you getting when you try to run the command? Can you post the output of following commands?

    echo $PATH
    ls -l $kpp_HOME/bin
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    [kubuntu] Re: Extra /lib directories in /?

    Are you running 64-bit version? If so /lib is for 64-bit libraries.
    Did you install ia32-libs? /lib32 must have come from that.

    Don't know about /libx32. This should show the package which...
  5. [all variants] Re: continuously transfer growing file over network(ignoring temporary end-of-buffer'

    I think with off-the-shelf applications it might not be possible to do exactly what you want - that is, to have an endless file-transfer connection which waits and sends more data as it becomes...
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    Re: Installing SQLite Wrapper in Lua

    I am not a Lua expert, but I had used sqlite3 with lua some time back. Hope this helps:



    module "sqlite3"
    require "sqlite3"

    When you do this, module creates a new module named 'sqlite3'. So...
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    [ubuntu] Re: eth1 receives, no transmit.

    sorry, typo: /usr/sbin/dnsmasqd -d
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    [ubuntu] Re: eth1 receives, no transmit.

    Can you try running it like this, without the extra options, and see if client gets IP:

    /usr/bin/dnsmasq -d
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    [ubuntu] Re: eth1 receives, no transmit.

    No, if static IP address (including correct gateway) is configured on the client, then pinging an IP address (not DNS name) will work even if dnsmasq is not working.
    Did netstat output show port 67...
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    [ubuntu] Re: eth1 receives, no transmit.

    netstat command would've shown it.

    Also, if this command shows a line with dnsmasq, it means there is an instance running:

    ps -aux|grep dnsmasq
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    [ubuntu] Re: eth1 receives, no transmit.

    (Please post the output if possible)
    So I am assuming there is another instance of dnsmasq running already which is bound to port 67 (bootps)? Did you check dnsmasq logs? Perhaps you could kill the...
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    [ubuntu] Re: eth1 receives, no transmit.

    Looks like there is another instance of dnsmasq running.


    netstat -aup|grep bootp
    What does this show?
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    [ubuntu] Re: eth1 receives, no transmit.

    So now we are sure there is nothing wrong with your interfaces :). The client is able to ping your server. If server is configured as the gateway on client, then ping 8.8.8.8 will also work -...
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    [ubuntu] Re: eth1 receives, no transmit.

    I don't think network-manager is causing this issue. It just sets IP for the interfaces. To check the IP:

    ifconfig eth1
    If you don't give interface name, it will show all the interfaces. If...
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    [ubuntu] Re: eth1 receives, no transmit.

    I don't use UFW myself, so I cannot help much with it. But you could give it a try since it simplifies matters. But first we need to confirm if it's only firewall which is having a problem. Since you...
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    [ubuntu] Re: eth1 receives, no transmit.

    You do not have any DROP rules, so firewall is not dropping anything. Sounds like DHCP server is not functioning correctly. That is why clients did not get IP.
    Can you try with static IP...
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    [ubuntu] Re: eth1 receives, no transmit.

    No. Since eth0 is your uplink connection, we just have to say: masquerade everything that goes out of eth0 interface. Explicitly listing subnet is not required.
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    [ubuntu] Re: eth1 receives, no transmit.

    "can you see me" will show only the open services, right? (correct me if i am wrong). In our case, with the rules we were trying out, we didn't yet open up any of our services to the internet(eth0)....
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    [ubuntu] Re: eth1 receives, no transmit.

    Can you post your firewall rules here?


    Try without rebooting after you make changes to firewall rules as per previous posts. Because the rules will not be saved automatically.
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    [ubuntu] Re: eth1 receives, no transmit.

    Use UFW to setup firewall if you are not well-versed in iptables. Or GUFW if you need a GUI.
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    [ubuntu] Re: eth1 receives, no transmit.

    If you are sure that the problem is caused by the firewall rules, post them here so that everyone can have a look:


    iptables -L -nv
    iptables -L -nv -t nat


    If you have other working firewall...
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    [ubuntu] Re: eth1 receives, no transmit.

    Can you flush all iptables rules and see if that works? If it does then we can check what's wrong with your firewall.



    iptables -F
    iptables -F -t nat
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    [ubuntu] Re: Local login needed for SSH to be available

    Sounds strange. As per default config, sshd should be started during bootup.


    Can you give more details on the configurations you have done? Did you by any chance put any configs in your...
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    Re: I need urgent help please

    Instead of changing interface name from eth0 to eth1, add new set of configuration for eth1. Perhaps old ARP entries from eth0 link is causing the problem.
    eg: eth0 A: 10.1.1.1
    eth0 B:...
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    [SOLVED] Re: SOLVED Looking for IPTables help

    'owner' module of iptables should help with that. You can add a rule to block everything from a user except when the destination is the specific IP.
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