Re: Console Messages

[Karl Pearson <karlp ourldsfamily com>]

My favorite would be to run:

/etc/rc.d/init.d/syslog restart

but Rick's methods still work... 8^}

--
Karl Pearson
Senior Consulting DBA
Senior Consulting Unix/MS/Database Analyst
karlp ourldsfamily com
http://consulting.ourldsfamily.com
-------------------------------------

On Thu, 2 May 2002, Rick Stevens wrote:

->David Stroupe wrote:
->> Rick Stevens wrote:
->>
->>> David Stroupe wrote:
->>>
->>>> I am running a RH7.2 installation.  I am doing driver developement
->>>> and would like to view the (sometimes) useful prink messages from the
->>>> driver in real time without having to type dmesg.  Is there a way to
->>>> do this?
->>>
->>>
->>>
->>> There is a commented-out line in /etc/syslog.conf that looks like:
->>>
->>>     #kern.*        /dev/console
->>>
->>> If uncommented, it would spit all kernel messages onto the console.
->>> If you modify it to:
->>>
->>>     kern.*    /var/log/name-of-printk-messages-file
->>>
->>> then "kill -HUP `pidof syslogd`", kernel messages would end up in
->>> the named file which you can watch with "tail -f" rather than the
->>> console.
->>>
->>> When you're all done, don't forget to comment out the line and send
->>> the SIGHUP back to syslogd so the file doesn't grow too big.  Keep in
->>> mind that the normal log rotation scripts won't know about your new
->>> file, so they won't be processed by it.
->>
->>
->> Thanks Rick, just an additional question or two.  Of all the virtual
->> consoles ctrl-alt -f1 etc, is one of them designated to be 'THE'
->> console?
->
->Well, not really.  /dev/console refers to wherever root is logged
->into OR /dev/tty0 (alt-F1) if root isn't logged in.  It will never
->be over the network (never /dev/pts/*)
->
-> >  Do I need to reboot after making the /etc/syslog.conf change?
->
->No, just send the syslogd daemon a SIGHUP.  Some ways to do that are:
->
->	1) find the PID of syslogd via "ps" and do "kill -HUP pid"
->	2) kill -HUP `cat /var/run/syslogd.pid1`
->	3) kill -HUP `pidof syslogd`
->
->Note the graves (backquotes) in 2 and 3, above.  I prefer the third
->option.
->----------------------------------------------------------------------
->- Rick Stevens, SSE, VitalStream, Inc.      rstevens vitalstream com -
->- 949-743-2010 (Voice)                    http://www.vitalstream.com -
->-                                                                    -
->-     Never put off 'til tommorrow what you can forget altogether!   -
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