Debian Configuration :: OpenVPN - Cannot Load Tun Module
Dec 16, 2015
I have recently rented a VPS server so I can run a VPN. Unfortunately, I did not get far in this [URL] ....., I have encountered this error:
Code: Select allxaver@xaver:/$ sudo modprobe tun
ERROR: could not insert 'tun': Unknown symbol in module, or unknown parameter (see dmesg)
So I googled this error and found this: [URL] ....., however response of mine VPS was:
Code: Select allxaver@xaver:/$ ls /lib/modules/uname -r /kernel/drivers/net/tun.*
ls: cannot access /lib/modules/uname: No such file or directory
ls: cannot access /kernel/drivers/net/tun.*: No such file or directory
Code: Select allxaver@xaver:/$ lsb_release -a
No LSB modules are available.
Distributor ID: Debian
Description: Debian GNU/Linux 7.9 (wheezy)
Release: 7.9
Codename: wheezy
xaver@xaver:/$ uname -a
Linux xaver 3.2.0-4-amd64 #1 SMP Debian 3.2.57-3+deb7u1 x86_64 GNU/Linux
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Mar 14, 2016
I built a kernel-module for a new usb wifi-card. This worked well and resulted in a 8821au.ko-file. But now I'm trying to load this kernel module since half an hour and it doesn't work. I copied the ko-file into /lib/modules/3.16.0-4-amd64/kernel/drivers/edimax. If I just type
Code: Select allsudo modprobe 8821au
I get a
Code: Select allmodprobe: FATAL: Module 8821au not found..
But if I enter the full path inside the /lib/modules/3.16.0-4-amd64-folder:
Code: Select allsudo modprobe -v ./kernel/drivers/edimax/8821au.ko
it seems to work:
Code: Select allbuiltin ./kernel/drivers/edimax/8821au.ko.
But lsmod doesn't show me the module after that.
I also added
Code: Select all./kernel/drivers/edimax/8821au.ko
to /etc/modules but this also doesn't seem to work. When booting I get an error-message, but it's too fast to read it and I can't find the right log-file, where the booting-part with the "[ OK ]"-messages is reported.
So my driver is ready, the onliest thing which I can't get working is loading it as a kernel-module.
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Jan 22, 2010
My problem is that it won't load the dkms module and Virtualbox will not run.
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Jul 25, 2010
I'm fairly new to Debian, but during the past I've used Mandrake, Slackware and Ubuntu. Few months ago I've migrated from Ubuntu to Debian - I like it a lot but there is one thing which keeps bugging me.Sometimes - one of the few boots - nvidia module won't load and GDM won't start. During the "bad" boot system freezes for a while after the message "PME# disabled" and gives the message about nvidia GPU not supported. Because of that GDM fails to start.Below are the boot logs (without the leading time for easy diff comparison) - the "bad log" when nvidia fails to load and the "good log" when everything is OK. Any help?
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Sep 16, 2015
I'm running OpenVPN service on both debian server and client. When start connection between client and server, I expect all the computer traffic (except ARP and DHCP requests) go through created tunnel. However, when I capture packets on wlan0 on client (the only connection going outside host) using Wireshark, I can see DNS requests visible and sometimes incoming TCP traffic as well, but most of the traffic is going through tunnel as expected. I provide both configurations of client and server and client routing table for inspection. I changed server address to avoid server exploitation in the case of some big configuration mistake.
Commands to run OpenVPN services are:
Code: Select allFor client: sudo openvpn --config /etc/openvpn/client.conf &
For server: sudo openvpn --config /etc/openvpn/server.conf &
**Client routing table when VPN is OFF**
Code: Select allKernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default 192.168.1.1 0.0.0.0 UG 1024 0 0 wlan0
192.168.1.0 * 255.255.255.0 U 0 0 0 wlan0
[code]...
I searched through many forums and documentation and I found, that for all the traffic going via VPN is command: *push "redirect-gateway def1"* neccessary, however, I have leaks despite this command being in place. I already spent over 2 days with this and tried to configure it in many ways, now I have no clue what I'm missing.
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Jun 23, 2015
I'vd a problem with loading modules. Booting gives the this error:
Code: Select alllucas@debian8-1:~$ systemctl --failed
UNIT LOAD ACTIVE SUB DESCRIPTION
● systemd-modules-load.service loaded failed failed Load Kernel Modules
LOAD = Reflects whether the unit definition was properly loaded.
ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
SUB = The low-level unit activation state, values depend on unit type.
[Code] ....
Always the same error when booting. After a period of time, (Graphical User Interface) the mouse click no longer operates, also text input isn't possible.
I had no access to the system at all, even crt alt F1 stopped working, also text input was no't possible. so reinstall was the only option. Maybe there is a connection with this two errors.
I've reinstalled Debian 8 several times. Still, both errors stay.
The same happend again (in the GUI) is nothing possible, no txt input, no mouse click), but now I have access to the system, ctr/alt F1 is working.
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May 30, 2015
I was playing around with QT5 today and I am getting the error Gtk-Message: Failed to load module "canberra-gtk-module". Searching suggested that the module may not be installed however it looks like it is to me.
Code: Select allii libcanberra-gtk3-0:amd64 0.30-2.1 amd64 GTK+ 3.0 helper for playing widget event sounds with libcanberra
ii libcanberra-gtk3-module:amd64 0.30-2.1 amd64 translates GTK3 widgets signals to event sounds
ii libcanberra-pulse:amd64 0.30-2.1 amd64 PulseAudio backend for libcanberra
ii libcanberra0:amd64 0.30-2.1 amd64 simple abstract interface for playing event sounds
[code]....
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Aug 17, 2010
I am installed Debian 5.0.5 with kernel 2.6.x.
I do a lspci and get: Ethernet controller: Intel Corporation 82573L Gigabit Ethernet Controller
Kernel modules: e1000e
I know under this im supposed to see: Kernel driver in use: e1000e <- but this doesn't exist.
So, under lsmod I see e1000e loaded:
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Feb 11, 2016
I will see ipcam in my local network from my tablets. I'm install server/client but I can't even ping my Ipcam from my tablet.I'm ping my ipcam from my server
Code: Select allping 10.42.0.22
PING 10.42.0.22 (10.42.0.22) 56(84) bytes of data.
64 bytes from 10.42.0.22: icmp_seq=1 ttl=64 time=0.639 ms
eth1:1 Link encap:Ethernet HWaddr 00:25:22:1c:6e:05
inet addr:10.42.0.1 Bcast:10.42.0.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
tun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
inet addr:10.42.0.1 P-t-P:10.42.0.2 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1
RX packets:1775 errors:0 dropped:0 overruns:0 frame:0
[code]...
my tablet can receive ip, can see ftp on server but can't see anything in my home network.
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Oct 22, 2010
I use openvpn to connect otherwise isolated machines, and use samba to share filesystems across the vpn, which works just fine.But I recently discovered that copying files using rsync -e ssh is so much faster than copying from a mounted filesystem - like about 5 times faster.I've got comp-lzo enabled in both server and the client, at least I think I have, the directive is there in both the server.conf and the client.conf files, but how do I check that it's active?Does anyone know if I can make openvpn behave more like rsync, because copying is easier than rsyncing?
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Oct 29, 2010
When I make a vpn connection to an openvpn server, I loose the internet connection.
The VPN works all right.
Server config (extract)
Client config
Client route without the VPN connection
client route with VPN connected (internet lost)
Is there anything I can do to the push rule of the servers's config file?
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Mar 20, 2010
I want to connect my mini dv camcorder to my pc and capture video, but I cannot load raw1394. When I try to "modprobe" it. It says:
"FATAL: Module raw1394 not found".
My kernel is 2.6.32-3-amd64
Should I compile it to kernel manually, if so how?
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Feb 7, 2016
I managed to set up an openvpn server, ip-forwarding and a nat iptable rule for that.
Almost everything works as expected, but my problem is:
Smartphone -> VPN -> Internet ==> works (by ip and hostname)
Smartphone -> VPN -> machine in my local network by IP ==> works
Smartphone -> VPN -> machine in my local network by its hostname => DOES NOT WORK
Machine w/ VPN server -> ping to machine in local network by ip or hostname => works
So, i wonder why i cant access a local machine through the vpn by its hostname. I guess I'm missing a forwarding rule??
iptables dump:
# Generated by iptables-save v1.4.21 on Sun Feb 7 20:56:52 2016
*nat
:PREROUTING ACCEPT [786:59064]
:INPUT ACCEPT [728:53047]
:OUTPUT ACCEPT [19:1487]
:POSTROUTING ACCEPT [20:1576]
-A POSTROUTING -s 10.8.0.0/24 -j MASQUERADE
COMMIT
# Completed on Sun Feb 7 20:56:52 2016
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Feb 18, 2011
I currently run openVPN on my Debian box that provides secure ipv4 routing from my laptop to my VPS in a different country (and from there the internet via this box). This works fine. However, id like to sort out ipv6 through this VPN as well as IPV4 and not overly sure how to do it. The remote server itself has native ipv6 configured on device eth0 and it works (ping6, traceroutes all fine,incoming to web servers etc) nicely on dual stack.
How would i go about modifying the config (both client and server if needed) to enable openVPN to act as a tunnel broker to enable the laptop to use the ipv6 through the server as well as the old v4? (the internet connection laptop end will not/does not have native ipv6 from the ISP. Currently im using he-net tunnel broker but id like to run myself through my existing openVPN). VPN config details: Its using UDP, port 1194, creates a TUN interface, redirect-gateway etc and the rest is normal config. Edit:- if it matters the clients are all running windows so i cant use sh scripts to set up stuff client end.
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Feb 19, 2011
I am running squeeze on a PC 1386 and installed nvidia by using the packages in unstable. I was able to install nvidia and there was no error until the time I started X. The error is unable to load module "nvidia" (module does not exist, 0).
I looked up the log for Xorg and it says Unloadable Module "nvidia".
I spent the entire 24 hours to fix it because this is my office computer and I practically done all the stuff found in the forums. I already did nvidia-xconfig to no avail. I even edited xorg.conf manually and still it was not up.
I have some suspects however which are:
1. Different versions between kernel and nvidia (but since I did it the debian way then I should not have any problems).
2. Nvidia-glx is unusable in Squeeze, so does it mean I go for the unstable distro?
3. Or I miss something crucial on how I installed it?
By the way, I installed Nvidia because I am using a SAMSUNG 21' LED monitor.
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Jun 1, 2009
When I try to load the Realtek 8187 modules to kernel using the ./wlan1up command, I get the following error:
[root@localhost rtl8187_linux_26.1025.0328.2007]# ./wlan1up
insmod: error inserting 'ieee80211_crypt-rtl.ko': -1 File exists
[code]...
Can someone tell me how to correct the "Invalid module format"? I hope that correcting the "Invalid module format" error, I will not have the "Unknown symbol in module" error.
Note: I am using wlan1 for this module as I previously am online with the wlan0 network.The same error occurs if I use ./wlan0up.
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Jul 9, 2015
I recently bought an AMD R7 360 videocard and I'd like to use the free Radeon driver.
Problem is, PCI-ID 0x665f is not present in Jessie's 3.16 kernel sources. The hardware however is supported, it's just not recognized. So I'll have to get the Debain sources and patch include/drm/drm_pciids.h
From the 4.1rc1 kernel I know what to patch and where.
Debian page that explains how to use the Debian build system for recompiling the current kernel from Debian packages?
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Jun 16, 2010
I am on squeeze with kernel 2.6.32-3-amd64 and I have installed nvidia driver :cat /proc/driver/nvidia/version NVRM version: NVIDIA UNIX x86_64 Kernel Module 190.53 Wed Dec 9 15:29:46 PST 2009 GCC version: gcc version 4.3.4 (Debian 4.3.4-8)
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May 23, 2010
I installed ndiswrapper and tried adding a driver. Error: module ndiswrapper not found.So I recompiled my kernel, upgrading to 2.6.33.4 (no, I can't see the logical connection either) After a week, I got the new kernel working ( in the interim I reinstalled debian- it didn't survive my first kernel attempt. don't ask), and reinstalled ndiswrapper. Same problem. So I had a stoke of genius: download the source package!! So I did. Lo and behold, a new directory appeared in /usr/src/ : modules. I took a moment to admire my work, then I jumped in.I 'ls'ed to see what was going on, and found a Makefile. so I typed 'make'. First error: kernel source not found. So I entered the Makefile, found the(clearly marked)variable,and changed it to /usr/src/linux-2.6.33.4 , exited, and redid 'make' Second error: no wireless support in kernel. So I went to src/linux-2.6.33.4 and did a make menuconfig- loaded my current, threw in wireless, and exited.
[Code]...
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Jul 30, 2010
I upgraded my kernel in my Debian Lenny to version 2.6.32-bpo.4-amd64 to fix a problem with a software and ALSA-related issues. The thing is that now, when I boot, eth1 is not enabled and I have to "load" (I guess) the driver each time. To do this, I go to the folder where all the files for the drivers are and I run:
modprobe lib80211
and then
insmod wl.ko
That I got from the readme file. That gets the wireless working perfectly again, but when I reboot the wireless is dead again and I have to run the commands above again. I imagine that what I should do is to build the driver again, for my new kernel. However, according to the readme file, before I need to install linux-headers-generic and build-essential. With build-essential, it says it's already the newest version, and with the linux-headers, I don't know which one should I install for my kernel! I thought it would be the linux-headers-2.6.32-bpo.4-xen-amd64, but when I tried that, this is what happened:
debian:/home/hernan/Programas/hybrid_wl# apt-get install linux-headers-2.6.32-bpo.4-xen-amd64
Reading package lists... Done
Building dependency tree
[code]....
So the warning says something about the MODULE_LICENSE being missing... how to build the driver again to make it load each time I boot?
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Oct 26, 2010
I'm running Testing and need to pass some parameters to my bttv tv tunner card, for this reason I created the following file /etc/modprobe.d/kozumi.conf with this content:
alias char-major-81 videodev
alias char-major-81-0 bttv
options pll=1 radio=1 bttv_verbose=1 card=151 tuner=38 gbuffers=4
The problem is that for some reason this options aren't properly set after booting the computer, I've tried different combinations for line 1 and 2 without success.
I'm used to rmmod the bttv driver and modprobe manually with those settings but I'd like to automate the process.
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Jun 15, 2010
Squeeze's latest update has upgraded my kernel from 2.6.32-3-686 to 2.6.32-5-686.My wireless stopped working and then I realised that I had to rebuild the wifi modules. I had followed this earlier.URL...For this new kernel, which I step of the process should I repeat? Rebuild module? Or just do a modprobe?
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Mar 2, 2011
I have a printer connected locally to my Debian box. It runs fine via cupsd.I am also running a Windows 2003 VMware guest which I would like to use the printer (use as a local printer, not a network printer).
VMware offers a connection via USB, so it should work. The printer I have plugged locally into the Debian host is recognised by the Windows 2003 guest, but it won't print. I get an error message saying that the printer is still connected to the host OS, and that I need to remove (or presumably disable) the host driver before the guest can use the printer.
So how can I find out which printer driver/module is being used by the Debian host to connect to this printer? And what is the best way to temporarily disable it, while my VMware guest is running?
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Jun 27, 2010
I am interested in using fortran and an external library called matio used to save arrays to matlab .mat files. I have installed the matio and matio-dev packages from synaptics but i cannot compile a code receiving an error Code: christos@christos-laptop:~/Desktop$ gfortran -o test test.f90 -lmatio -lz test.f90:2.13: USE MATIO 1
Fatal Error: Can't open module file 'matio.mod' for reading at (1): No such file or directory How can i load a module in order to use it in fortran through the GCC compiler?
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Mar 25, 2011
i installed firefox 4 and removed the old 3.X version. did a general update that my computer showed me was available then i noticed the first problem. firefox 4 would not launch when i clicked it, it would only launch when i clicked the gnome 3 applications button and then clicked and dragged the firefox logo to the desktop, then it opened. the second problem i am now having which at the moment is more bothersome is that after i closed the lid to my laptop and opened it up again after a while and logged back in and noticed that the ENTIRE gnome 3 environment was gone. no panel no menu nothing just the desktop and a few desktop icons. i tried the command "yum install gnome-shell" but it just sed that gnome 2.31.5-7 .fc14.i686 was already installed so it wasnt gonna do anything, then i tried the "gnome-shell --replace" command and it just said
failed to load "canberra-gtk-module": libcanberra-gtk-module no such file or directory.
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Apr 28, 2010
I'm trying to install ov51x-jpeg-source using module assistant but it fails with....
make[3]: Entering directory `/usr/src/linux-headers-2.6.26-2-686'
make[3]: Makefile: No such file or directory
make[3]: *** No rule to make target `Makefile'. Stop.
make[3]: Leaving directory `/usr/src/linux-headers-2.6.26-2-686'
make[2]: *** [all] Error 2
[Code]...
it also stops at the same point when trying to install another driver, /usr/src/linux-headers-2.6.26-2-686 does exist
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Jul 25, 2010
I'm trying to use module-assistant to add the vboxdrv using instructions also found here in the debian forum. However, m-a can't find the linux-headers because it looks for the package linux-headers-2.6.32-5-trunk-686. I attempted to specify were the headers were by using:
m-a prepare --kernel-dir /usr/src/linux-headers-2.6.32-5-686/
but also doesn't work. Instead, I get the error:
Bad kernel version specification at /usr/bin/m-a line 566.
Anyone knows how to work around this?
By the way, the reason I am doing this is because when I installed virtualbox (following the instructions in debian wiki) there's no vboxdrv. When I try to modprobe it, I get:
FATAL: Module vboxdrv not found.
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May 8, 2011
I've installed openSuse 11.4 server-mode (text only) on my desktop, and I'm trying to configure IceWM so i'll eventually have it set up so it always boots into text only mode, but I could be able to quickly start icewm via the command line.using Yast, I installed the Xorg server, and icewm.when I type X, the screen goes black and it just doesn't seem to do anythingI found if I hit ctrl+alt+f1 it kinda puts me back into text only mode, but I can't put in commands anymore. The last thing it says on the screen is:
Failed to load module "fglrx" (module does not exist, 0)
I've goggled that error message and the discussions that popped up around it made no sense to me at all. I've never configured X from scratch before, can someone point me towards a tutorial or something?
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Jun 23, 2011
I cannot find the Xorg configuration file on my newly installed Debian on my tablet-pc, so I followed this tutorial [URL] and ran the command "Xorg -configure", to which I got the following error messages:
(EE) Failed to load module "vmwgfx" (module does not exist, 0)
(EE) vmware: Please ignore the above warnings about not being able to load module/driver vmwgfx
(++) Using config file: "/root/xorg.conf.new"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
[code]...
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Oct 16, 2015
I'm trying to set load balancing over 2 ISP link on a router / firewall running Debian Jessie.
There are iptables rules for balancing and forwarding:
Code: Select alliptables -t mangle -A PREROUTING -j CONNMARK --restore-mark
iptables -t mangle -A PREROUTING -m mark ! --mark 0 -j ACCEPT
iptables -t mangle -A PREROUTING -j MARK --set-mark 10
iptables -t mangle -A PREROUTING -m statistic --mode random --probability 0.5 -j MARK --set-mark 20
iptables -t mangle -A PREROUTING -i $wan1 -j MARK --set-mark 10
[Code] .....
There are iproute2 rules:
Code: Select allip route add 172.20.0.0/24 dev eth0 src 172.20.0.150 table WAN1
ip route add default via 172.20.0.254 table WAN1
ip route add 192.168.0.0/24 dev eth1 src 192.168.0.150 table WAN2
ip route add default via 192.168.0.254 table WAN2
[Code] ....
The packets marked as 20, theoretically routed via table WAN2 via 192.168.0.254, are lost.
The WAN2 gateway is working if I set as default without balancing.
I disabled the rp_filter module on all interfaces and I installed xtables-addons-dkms.
I also try this but I had trouble with forwarded connexions.
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