openvpn 加载了tun模块,仍然提示Cannot open TUN/TAP dev /dev/net/tun
时间:2009-08-09
来源:互联网
之前机器重启之前一切正常,OPENVPN可以用,后来重启了下,按照之前的操作步骤
加载tun模块,然后启动出现下面的提示:
Sat Aug 8 21:17:01 2009 OpenVPN 2.0.9 x86_64-unknown-linux [SSL] [LZO] [EPOLL] built on Jul 21 2009
Sat Aug 8 21:17:01 2009 Diffie-Hellman initialized with 1024 bit key
Sat Aug 8 21:17:01 2009 TLS-Auth MTU parms [ L:1542 D:138 EF:38 EB:0 ET:0 EL:0 ]
Sat Aug 8 21:17:01 2009 Note: Cannot open TUN/TAP dev /dev/net/tun: No such file or directory (errno=2)
Sat Aug 8 21:17:01 2009 Note: Attempting fallback to kernel 2.2 TUN/TAP interface
Sat Aug 8 21:17:01 2009 Cannot allocate TUN/TAP dev dynamically
Sat Aug 8 21:17:01 2009 Exiting
lsmod有tun模块
modinfo tun命令下,结果:
filename: /lib/modules/2.6.18-128.1.6.el5xen/kernel/drivers/net/tun.ko
alias: char-major-10-200
license: GPL
author: (C) 1999-2004 Max Krasnyansky <[email protected]>
description: Universal TUN/TAP device driver
srcversion: 2900E7452AC08E0F4F0B7B8
depends:
vermagic: 2.6.18-128.1.6.el5xen SMP mod_unload gcc-4.1
加载tun模块,然后启动出现下面的提示:
Sat Aug 8 21:17:01 2009 OpenVPN 2.0.9 x86_64-unknown-linux [SSL] [LZO] [EPOLL] built on Jul 21 2009
Sat Aug 8 21:17:01 2009 Diffie-Hellman initialized with 1024 bit key
Sat Aug 8 21:17:01 2009 TLS-Auth MTU parms [ L:1542 D:138 EF:38 EB:0 ET:0 EL:0 ]
Sat Aug 8 21:17:01 2009 Note: Cannot open TUN/TAP dev /dev/net/tun: No such file or directory (errno=2)
Sat Aug 8 21:17:01 2009 Note: Attempting fallback to kernel 2.2 TUN/TAP interface
Sat Aug 8 21:17:01 2009 Cannot allocate TUN/TAP dev dynamically
Sat Aug 8 21:17:01 2009 Exiting
lsmod有tun模块
modinfo tun命令下,结果:
filename: /lib/modules/2.6.18-128.1.6.el5xen/kernel/drivers/net/tun.ko
alias: char-major-10-200
license: GPL
author: (C) 1999-2004 Max Krasnyansky <[email protected]>
description: Universal TUN/TAP device driver
srcversion: 2900E7452AC08E0F4F0B7B8
depends:
vermagic: 2.6.18-128.1.6.el5xen SMP mod_unload gcc-4.1
作者: sgcqh_82 发布时间: 2009-08-09
问题解决
加载tun模块后,系统没能自动创建/dev/net/tun (应该是没使用udev的原因)
手工搞一下:
mkdir /dev/net
mknod /dev/net/tun c 10 200
加载tun模块后,系统没能自动创建/dev/net/tun (应该是没使用udev的原因)
手工搞一下:
mkdir /dev/net
mknod /dev/net/tun c 10 200
作者: sgcqh_82 发布时间: 2009-08-09
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