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Wednesday, October 23rd, 2002

Time Event
Broken RedHat Server
It's way too early for me to be at work right now, but I have an ailing server. Actually it's been ailing for a while I've just never been able to figure out what's wrong. The box hosts several services which all seem to stop responding (I.E. the box crashes), everything except for ping stops working. I come in today to check on the box and it's locked up sure enough and on the console was a kernel panic message. I couldn't gleam a lot of data from the message as it's rather cryptic. I reboot the server and everything's fine. How do I go about checking logs, or core dumps on a RedHat box to verify where the problem lies?

/var/log/messages contains nothing unusual and the boot up messages look just fine. I just need to know where to start looking. It has to be a hardware failure of some sort, but I don't know what.
jmk & .jar files
Trying to get jmk to work on my Debian box. I installed the jmk and kaffe packages, but whenever I run jmk it says "No manifest found in '/usr/share/java/java.jar", but that file is empty, I installed fastjar, since the description said it creates jar files, but looks kind of confusing. Anybody know how to create them, or if anyone has it working on a Debian 3.0 machine who can send me their java.jar file? :) Thanks.
Resource request for newbie
I've just started using Linux (SuSE 8.0 to be exact) and I don't have much prior programming experience -- I just decided that I wanted to learn Linux so I'm jumping in. I need some help with a lot of simple things, though -- getting stuff like my cd drive to work and internet connection sharing and getting an external hard drive to work -- just all the little things to make it fully functional so that I can completely leave Windows behind. So what I'm asking of the people in this community is if you can recommend any good websites or books that can help me (someone who is relatively new to Linux but better than your average Joe with computers) solve all these little problems so that I can start doing the really cool stuff.
Sort and Exit Codes Inconsistency
"$ sort < a ; echo $?
bash: a: No such file or directory
but the manpage says sort returns error >1 if an error occur... any idea or is it just inconsistancy?"

and in man -s2 intro, it says:
No such file or directory

A file name is specified and the file should exist but
doesn't, or one of the directories in a path name does
not exist."

which is the same as my program:

$ ./a.out sort L10Q1.ca
bad open: No such file or directory

Any ideas? My program does a sort < L10Q1.ca redirection. a mixture of pipe, fork, execlp, wait, etc.

I am using:
$ uname -a
SunOS hostname 5.8 Generic_108528-16 sun4u sparc SUNW,Sun-Fire

man -s1 sort
SunOS 5.8 Last change: 13 Jan 1999

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