modprobe tun - ERROR: could not insert 'tun': Unknown symbol in module

Posted on November 2, 2014

By LG

Unable to modprobe tun ERROR: could not insert ‘tun’: Unknown symbol in module, or unknown parameter (see dmesg)

Nov 2 22:55:22 x1 kernel: [102643.488499] Loading kernel module for a network device with CAP_SYS_MODULE (deprecated). Use CAP_NET_ADMIN and alias netdev- instead Nov 2 22:56:48 x1 kernel: [102730.054589] tun: Unknown symbol ipv6_proxy_select_ident (err 0)

ls /lib/modules/`uname -r`/kernel/drivers/net/tun.*

/lib/modules/3.2.0-4-amd64/kernel/drivers/net/tun.ko

lsb_release -a

No LSB modules are available. Distributor ID: Debian Description: Debian GNU/Linux 7.7 (wheezy) Release: 7.7 Codename: wheezy

uname -a

Linux x1 3.2.0-4-amd64 #1 SMP Debian 3.2.54-2 x86_64 GNU/Linux

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raspiantorogame

November 20, 2014

hi, i have this error on my vps modprobe tun libkmod: ERROR …/libkmod/libkmod.c:554 kmod_search_moddep: could not open moddep file ‘/lib/modules/3.2.0-4-amd64/modules.dep.bin’

uname -a Linux raspiantoro 3.2.0-4-amd64 #1 SMP Debian 3.2.63-2+deb7u1 x86_64 GNU/Linux

how to fix it?

enomoto

January 18, 2015

To correct this, you need:

Verify your kernel version:

uname -a

Go to the Digital Ocean Panel, in Droplets -> Settings -> Kernel, choose the same kernel e clik in Change
Go to the Power menu and do a POWER CYCLE, a single reboot from your VM doesn’t apply the changes.

December 21, 2014

Keep in mind also that there is some kind of throttle on link from DO dropplets, let me know if you get more that 400-450KB/sec speed with openvpn. Without VPN you will have 1.0MB/s - 1.1MB/s still investigating the possible cause.