Re: and yet another zdnet "article" re: Lnx

[Adam Williams <awilliam@xxxxxxxxxxxxxxxx>]

>>>>Not neccesarily true.  98.44% of people can get the sendmail
>>>>functionality they want by spending 15 seconds in Linuxconf.  Are you
>>>>saying sendmail is simple? :)
>>>Sendmail is most definitely not simple.  It has features I will most likely
>>>never use in my lifetime.  Do I need to know every little detail about how to
>>>configure.  NO.  Is it immoral to use Linuxconf to get the functionality I
>>>need.  NO.  But, what if I need the results of linuxconf where I can not use
>>>it.
>>The "correct" way to configure sendmail is to generate the file via M4
>>scripts (described in my Sendmail presentation) but this is certainly not
>>simple (but easier than editing sendmail.cf).  But it does avoid loosing
>>configuration parameters between  version upgrades.
>>Presentation Aug 17, 1999,  I don't think I knew what KLUG was then.  The first
>one I went to was about the use of Linux by the blind.  I remember Dec 21, 1999,
>performance tuning though.


It is still on the website

>>>>How about looking in /proc?  Or running strace, fuser, or lsof?
>lsof, wow that's alot of info!

Yes it is. :)

>fuser? how could I use fuser to solve this?

If you had a guess, you could check it.  Not the best tool, but I've had
to use it on $$$ versions of UNIX that don't provide any real tools like
lsof.

>/proc how could I use the contents of proc here.

/proc will tell you everything.  See the debuggin presentation.  Basically
/proc/{process-id}/fd contains sym-links to all the files, sockets, and
pipes open py the process. /proc/{process-id}/environ contains the
processes environment (inherited shell variables). /proc/{process-id}/maps
contains all the libraries in use and there VM address.
/proc/{process-id}/cwd is a sym-link to the processess current working
directory, etc....

>> What version are you running?
>>From RH 7.1
>[ /root]# rpm -qa | grep linuxconf
>linuxconf-1.24r2-10
>linuxconf-devel-1.24r2-10
>gnome-linuxconf-0.64-1
>> I have 1.25r7.  I pick Updates->Log Window and it lists files modified as
>> it updates them.
>OK, it is telling me that it is archiving ip_allow, but it is not showing any
>changes or stating that it is inserting a new one.
>One more thing learned.

Hmmm,  I'll grouse around about this one.

>>The strace method is indeed "too hard".
>I don't think it is too hard at all.  Just requires a background knowledge that
>a switching admin most likely does not posess.

A gui tool for strace log analysis is required, IMHO.

>of Mark Minisi's NT 4 book.  At the end of it he says you should learn how to do
>everything from the command prompt as well as from a gui.  Yet he only uses one
>paragraph of the whole book  to say this.  This implies to me the command line
>is little used by most NT admins.

I would agree.

>>>That's alot from point and click to this I'd say.  I'm not complaining.  I can
>>>appreciate the elegance of this kind of method.  The use of multiple tools to
>>>chisel away at a problem has a very strong appeal.  It's still a mile away from
>>>point and click.  At least the problem was solveable without rebooting or
>>>reinstalling.
>>It is hard to have point-n-click without a GUI.  One might install iXvnc
>>and use Tridia VNC for a nice compressesed X session if GUI tools are
>>imperitive.  The RedHat VNC packages available from Red Carpet can do
>>this,  I don't know if they come with RH itself.
>Damn, something else I need to learn.  What is iXvnc.


iXvnc starts X on a frame buffer when you connect via VNC.  Otherwise no X
is running.

>Doesn't ssh compress X,
>or can it be compressed to the point that a dial up is enough in some other
>manner.  I've tried X over ssh dialup.  Talk about going to china to get tea and
>back and it still not being up.  Woah.

X over SSH doesn't compress much.

>I use VNC now to use a windows machine that runs telecom software.  I like it
>but am unaware of being able to compress it.

You can request compression options as command line parameters.  It
negotiates a minimal default if you don't do anything.

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Ximian GNOME, Evolution, LTSP, and RedHat Linux + LVM & XFS
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