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Enable kernel's net_key, inet_esp, crypto_hmac modules for to use in a VPN

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.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;

2

I'm trying to turn on modules for VPN so I followed this tutorial to compile new ubuntu kernel 3.8.6 .

But the features I've turned on using make menuconfig seem not to be enabled.
(the features I want : net_key, inet_esp, crypto_hmac, etc..)

I've tried to make gre tunnel which modules are not loaded automatically by editing /etc/rc.local and adding modprobe ip_gre so it would start after reboot.

My questions are:

1. How to check the VPN features I've enabled using menuconfig are truly enabled?


2. Is it possilbe to enable the modules manually (like ip_gre) by editing rc.local?

I'm using Ubuntu server 12.04 on VBOX 4.2.10

linux-kernel compiling

share|improve this question

edited Nov 4 '14 at 4:15

Anthon

61.5k17107170

asked Apr 13 '13 at 15:54

lapmerlapmer

111

bumped to the homepage by Community♦ 2 days ago

This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.

add a comment | 

2

I'm trying to turn on modules for VPN so I followed this tutorial to compile new ubuntu kernel 3.8.6 .

But the features I've turned on using make menuconfig seem not to be enabled.
(the features I want : net_key, inet_esp, crypto_hmac, etc..)

I've tried to make gre tunnel which modules are not loaded automatically by editing /etc/rc.local and adding modprobe ip_gre so it would start after reboot.

My questions are:

1. How to check the VPN features I've enabled using menuconfig are truly enabled?


2. Is it possilbe to enable the modules manually (like ip_gre) by editing rc.local?

I'm using Ubuntu server 12.04 on VBOX 4.2.10

linux-kernel compiling

share|improve this question

edited Nov 4 '14 at 4:15

Anthon

61.5k17107170

asked Apr 13 '13 at 15:54

lapmerlapmer

111

bumped to the homepage by Community♦ 2 days ago

This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.

add a comment | 

I'm trying to turn on modules for VPN so I followed this tutorial to compile new ubuntu kernel 3.8.6 .

But the features I've turned on using make menuconfig seem not to be enabled.
(the features I want : net_key, inet_esp, crypto_hmac, etc..)

I've tried to make gre tunnel which modules are not loaded automatically by editing /etc/rc.local and adding modprobe ip_gre so it would start after reboot.

My questions are:

1. How to check the VPN features I've enabled using menuconfig are truly enabled?


2. Is it possilbe to enable the modules manually (like ip_gre) by editing rc.local?

I'm using Ubuntu server 12.04 on VBOX 4.2.10

linux-kernel compiling

share|improve this question

edited Nov 4 '14 at 4:15

Anthon

61.5k17107170

asked Apr 13 '13 at 15:54

lapmerlapmer

111

share|improve this question

edited Nov 4 '14 at 4:15

Anthon

61.5k17107170

asked Apr 13 '13 at 15:54

lapmerlapmer

111

share|improve this question

edited Nov 4 '14 at 4:15

Anthon

61.5k17107170

asked Apr 13 '13 at 15:54

lapmerlapmer

111

edited Nov 4 '14 at 4:15

Anthon

61.5k17107170

edited Nov 4 '14 at 4:15

Anthon

61.5k17107170

asked Apr 13 '13 at 15:54

lapmerlapmer

111

asked Apr 13 '13 at 15:54

lapmerlapmer

111

1 Answer
1

active

oldest

votes

0

About first question: to make sure that the option is active in running kernel, you can use zgrep to filter lines from /proc/config.gz:

$ zgrep CONFIG_HMAC /proc/config.gz

My result is CONFIG_CRYPTO_HMAC=y.

Second question: the right way to make a module to load when starting is to insert it's name in right config file (depending on your distro that might be modprobe config, or something like /etc/modules or a file in /etc/modules-load.d/, containing the module name). Modprobe config allows you to use additional module parameters if you need to, blacklisting some modules and so on.

share|improve this answer

answered Apr 13 '13 at 16:57

TNWTNW

1,6401014

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You have to press shift-enter to insert a line feed in your comment.
  
  – TNW
  Apr 13 '13 at 18:06
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  thanks for your quick reply . the result after i tried zgrep is gzip: /proc/config.gz : no such file or directory . is it because something wrong with my new kernel because i was not compiled it properly ??? @TNW
  
  – lapmer
  Apr 13 '13 at 18:08
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Seems that you haven't checked the option to generate /proc/config.gz during your kernel configuration or you're still running your old kernel. Are you sure that the kernel you're using is the one you compiled? You can use uname -a to check whether it's right version and such. Did you complete the tutorial?
  
  – TNW
  Apr 13 '13 at 18:14
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  maybe just like you said, i haven't generated /proc/confing.gz in configuration. uname -a command show it is the right kernel . it shows Linux ubuntu 3.8.6 . that's mean i have to recompile it again?
  
  – lapmer
  Apr 13 '13 at 18:23
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  i just browse kernel configuration. that option you mentioned is not checked. is it possible to compile just that part? it took 2 hours for me to compile full kernel
  
  – lapmer
  Apr 13 '13 at 18:31
  

  
  
  
  

 | 
show 4 more comments

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0

About first question: to make sure that the option is active in running kernel, you can use zgrep to filter lines from /proc/config.gz:

$ zgrep CONFIG_HMAC /proc/config.gz

My result is CONFIG_CRYPTO_HMAC=y.

Second question: the right way to make a module to load when starting is to insert it's name in right config file (depending on your distro that might be modprobe config, or something like /etc/modules or a file in /etc/modules-load.d/, containing the module name). Modprobe config allows you to use additional module parameters if you need to, blacklisting some modules and so on.

share|improve this answer

answered Apr 13 '13 at 16:57

TNWTNW

1,6401014

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You have to press shift-enter to insert a line feed in your comment.
  
  – TNW
  Apr 13 '13 at 18:06
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  thanks for your quick reply . the result after i tried zgrep is gzip: /proc/config.gz : no such file or directory . is it because something wrong with my new kernel because i was not compiled it properly ??? @TNW
  
  – lapmer
  Apr 13 '13 at 18:08
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Seems that you haven't checked the option to generate /proc/config.gz during your kernel configuration or you're still running your old kernel. Are you sure that the kernel you're using is the one you compiled? You can use uname -a to check whether it's right version and such. Did you complete the tutorial?
  
  – TNW
  Apr 13 '13 at 18:14
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  maybe just like you said, i haven't generated /proc/confing.gz in configuration. uname -a command show it is the right kernel . it shows Linux ubuntu 3.8.6 . that's mean i have to recompile it again?
  
  – lapmer
  Apr 13 '13 at 18:23
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  i just browse kernel configuration. that option you mentioned is not checked. is it possible to compile just that part? it took 2 hours for me to compile full kernel
  
  – lapmer
  Apr 13 '13 at 18:31
  

  
  
  
  

 | 
show 4 more comments

0

About first question: to make sure that the option is active in running kernel, you can use zgrep to filter lines from /proc/config.gz:

$ zgrep CONFIG_HMAC /proc/config.gz

My result is CONFIG_CRYPTO_HMAC=y.

Second question: the right way to make a module to load when starting is to insert it's name in right config file (depending on your distro that might be modprobe config, or something like /etc/modules or a file in /etc/modules-load.d/, containing the module name). Modprobe config allows you to use additional module parameters if you need to, blacklisting some modules and so on.

share|improve this answer

answered Apr 13 '13 at 16:57

TNWTNW

1,6401014

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You have to press shift-enter to insert a line feed in your comment.
  
  – TNW
  Apr 13 '13 at 18:06
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  thanks for your quick reply . the result after i tried zgrep is gzip: /proc/config.gz : no such file or directory . is it because something wrong with my new kernel because i was not compiled it properly ??? @TNW
  
  – lapmer
  Apr 13 '13 at 18:08
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Seems that you haven't checked the option to generate /proc/config.gz during your kernel configuration or you're still running your old kernel. Are you sure that the kernel you're using is the one you compiled? You can use uname -a to check whether it's right version and such. Did you complete the tutorial?
  
  – TNW
  Apr 13 '13 at 18:14
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  maybe just like you said, i haven't generated /proc/confing.gz in configuration. uname -a command show it is the right kernel . it shows Linux ubuntu 3.8.6 . that's mean i have to recompile it again?
  
  – lapmer
  Apr 13 '13 at 18:23
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  i just browse kernel configuration. that option you mentioned is not checked. is it possible to compile just that part? it took 2 hours for me to compile full kernel
  
  – lapmer
  Apr 13 '13 at 18:31
  

  
  
  
  

 | 
show 4 more comments

About first question: to make sure that the option is active in running kernel, you can use zgrep to filter lines from /proc/config.gz:

$ zgrep CONFIG_HMAC /proc/config.gz

My result is CONFIG_CRYPTO_HMAC=y.

Second question: the right way to make a module to load when starting is to insert it's name in right config file (depending on your distro that might be modprobe config, or something like /etc/modules or a file in /etc/modules-load.d/, containing the module name). Modprobe config allows you to use additional module parameters if you need to, blacklisting some modules and so on.

share|improve this answer

answered Apr 13 '13 at 16:57

TNWTNW

1,6401014

$ zgrep CONFIG_HMAC /proc/config.gz

share|improve this answer

answered Apr 13 '13 at 16:57

TNWTNW

1,6401014

answered Apr 13 '13 at 16:57

TNWTNW

1,6401014

answered Apr 13 '13 at 16:57

TNWTNW

1,6401014