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  1. #1
    Join Date
    Oct 2010
    Posts
    60

    What does this mean...?

    So, ClubUptime tells me that I need to install something on the server to make TUN/TAP work.

    As quoted.
    "On CentOS, you will need to install the module. "

    But when I check on the server...

    Code:
    [root@Openvpn ~]# cat /dev/net/tun
    cat: /dev/net/tun: No such device
    And...

    Code:
    [root@Openvpn ~]# modprobe tun
    FATAL: Could not load /lib/modules/2.6.18-194.26.1.el5.028stab081.1/modules.dep: No such file or directory
    Can anyone tell me what he meant by "You need to install the module"?

    Oh and he said TUN/TAP was enabled.

  2. #2
    Join Date
    Nov 2007
    Location
    New Jersey, USA
    Posts
    4,740
    Even though someone might be able to help you here, it's best that you ask them what they meant .

    - Daniel

  3. #3
    Join Date
    Jan 2010
    Posts
    341
    I've installed OpenVPN on several OpenVZ VPSs running CentOS, and I've never heard of having to install a module for the TUN adapter.

    If they have enabled the TUN adapter, you should see something like this:

    Code:
    # cat /dev/net/tun
    cat: /dev/net/tun: File descriptor in bad state

  4. #4
    Join Date
    Oct 2010
    Posts
    60
    I didn't get that. And Andrew here tells me to find a new distro...

    Now I'm told that there's a problem with TUN across the node.

  5. #5
    Join Date
    Mar 2005
    Location
    Orlando, Florida
    Posts
    2,625
    Quote Originally Posted by david3 View Post
    I've installed OpenVPN on several OpenVZ VPSs running CentOS, and I've never heard of having to install a module for the TUN adapter.

    If they have enabled the TUN adapter, you should see something like this:

    Code:
    # cat /dev/net/tun
    cat: /dev/net/tun: File descriptor in bad state
    YOU don't install the module -- WE need to install the kernel module.

    Probably a basic misunderstanding
    Matthew Rosenblatt, and I do lots of things.
    Used to be a full time server administrator, now I help build cruise ships and inspect homes.
    My company, Ferrell Solutions, specializes in home inspections and property management.
    RecallScan is a service for monitoring appliances and vehicles in your home for recalls.

  6. #6
    Join Date
    Oct 2010
    Posts
    60
    Nope. I understood them just fine.

    Refer to this image link about the conversation.

    http://i54.tinypic.com/et8xtl.png

  7. #7
    Join Date
    Mar 2005
    Location
    Orlando, Florida
    Posts
    2,625
    Quote Originally Posted by BurstVPN View Post
    Nope. I understood them just fine.

    Refer to this image link about the conversation.

    http://i54.tinypic.com/et8xtl.png
    It still looks like a misunderstanding to me. The kernel module was not loaded on that hardware as it was fully replaced about 7-10 days ago. It was bumped from an x3470 machine to a dual 5620 machine when we had a hard drive array failure.

    It appears that during the migration, we simply didn't enable the TUN module as it's not something we get a lot of requests for.

    I do see that it's enabled now and that it is working properly within your VPS.
    Matthew Rosenblatt, and I do lots of things.
    Used to be a full time server administrator, now I help build cruise ships and inspect homes.
    My company, Ferrell Solutions, specializes in home inspections and property management.
    RecallScan is a service for monitoring appliances and vehicles in your home for recalls.

  8. #8
    Join Date
    Oct 2010
    Posts
    60
    Yep. Its working like a charm now.

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