how to configure printk() in 2.6 kernel

[Vaibhav Jain]

Thanks but didn't help :(
My configurations in the rsyslog.conf file are still not working.

I added the line

kern.*         <filename in my home dir>

but the file remains empty and teh kernel messages are not there even in the
/var/log/messages file.

Thanks
Vaibhav Jain




On Wed, Aug 31, 2011 at 1:29 PM, Jeff Haran <jharan at bytemobile.com> wrote:

>  ** **
>
> ** **
>
> *From:* kernelnewbies-bounces at kernelnewbies.org [mailto:
> kernelnewbies-bounces at kernelnewbies.org] *On Behalf Of *Vaibhav Jain
> *Sent:* Wednesday, August 31, 2011 1:08 PM
> *To:* Jonathan Neuschäfer
> *Cc:* kernelnewbies at kernelnewbies.org
> *Subject:* Re: how to configure printk() in 2.6 kernel****
>
> ** **
>
>  ****
>
> On Tue, Aug 30, 2011 at 12:25 PM, Jonathan Neuschäfer <
> j.neuschaefer at gmx.net> wrote:****
>
> On Mon, Aug 29, 2011 at 04:38:03PM -0700, Vaibhav Jain wrote:
> > On Mon, Aug 29, 2011 at 3:24 PM, Ramesh.P <rameshpa at gmail.com> wrote:
> >
> > > Hi Vaibhav,
> > >
> > > Try /etc/rsyslog.conf. However you should be using
> > > /proc/sys/kernel/printk to really configure printk.
> > >****
>
> [snip]****
>
> >
> > Hi Ramesh,
> >
> > As I mentioned /etc/syslog.conf is not there on my system. Could you
> please
> > tell me if the name has changed for the file in 2.6 kernel ? Also, does
> > /proc/sys/kernel/printk provides for the same level of control ?****
>
> Syslog is a user space program, that collects the kernel messages.
> So if you don't have /etc/syslog.conf on your system, it likely just
> means that you don't have a standard installation of the syslog program,
> which can have different reasons. AFAIK, syslog has been replaced by
> rsyslog or syslog-ng on modern desktop linux distros.
>
> BTW, Ramesh told you to try /etc/rsyslog.conf (note the 'r'), not
> /etc/syslog.conf.
>
> HTH,
>        Jonathan Neuschäfer****
>
>
>  ****
>
>  ****
>
> Hi,****
>
>  ****
>
> Thanks for reply! I found the rsyslog.conf on my system. But ****
>
> I am finding it hard to configure it. Actually I made some changes but they
> are not working.****
>
> I made some changes to the kernel and wanted that they appear at either the
> console or ****
>
> some other file. However the changes don't work.****
>
> I tried adding the following  lines (one at a time) ****
>
>  ****
>
> kern.*              /dev/console****
>
>  ****
>
> kern.*             <file in my home directory>****
>
>  ****
>
>  ****
>
> but on making these changes other kernel messages also stop showing up.***
> *
>
>  ****
>
> Can you please give me some idea as to why this might happen ?****
>
>  ****
>
> -Thanks****
>
> Vaibhav Jain****
>
> ** **
>
> See if this helps:****
>
> ** **
>
> echo 7 > /proc/sys/kernel/printk****
>
> ** **
>
> Jeff Haran****
>
> ** **
>
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