Linux-Misc Digest #809, Volume #27 Tue, 8 May 01 12:13:02 EDT
Contents:
Re: CVS pserver ? (Dustin Puryear)
Re: how to write a backup script? (Erez Avraham)
Re: Linux File Size Limit (ext2) (Rod Smith)
Re: Do I need /usr/local, /opt, /tmp and /var partitions?
([EMAIL PROTECTED])
Re: cdrecord only works with SCSI drives? (Michael Perry)
Re: RedHat 7.1 shared memory problem? (Paul Kimoto)
StarOffice 5.2 and X11R6 v4.03 (Ulrich Brachvogel)
Re: Linux File Size Limit (ext2) (Paul Kimoto)
Re: Linux File Size Limit (ext2) ([EMAIL PROTECTED])
Re: Sun Solaris IPC (vardhan)
Re: Linux File Size Limit (ext2) ([EMAIL PROTECTED])
Re: DONT pass this up ! Ground Floor Opportunity 2042 (SammyTheSnake)
Re: How to make money in no time!! (SammyTheSnake)
Re: Quick question: how to copy files *and* directories? (Jeremiah DeWitt Weiner)
Re: How come... (Johan Kullstam)
Help required with LILO+LINUX+NT mess ("CSA, Kanata [KAN:4B22:EXCH]")
Re: Do I need /usr/local, /opt, /tmp and /var partitions? (wroot)
Q: TCP stealth mode for dialup only? ("Mark Watson")
Re: pthread lib error (Stephen Rank)
Re: Help required with LILO+LINUX+NT mess (Ping Crosby)
Re: Do I need /usr/local, /opt, /tmp and /var partitions? ([EMAIL PROTECTED])
Re: How to do a compressed dump backup? (Garglemonster)
----------------------------------------------------------------------------
From: [EMAIL PROTECTED] (Dustin Puryear)
Subject: Re: CVS pserver ?
Date: Tue, 8 May 2001 08:00:33 -0500
Reply-To: [EMAIL PROTECTED]
On 8 May 2001 05:58:19 GMT, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
>Eric Chow <[EMAIL PROTECTED]> wrote:
>> How to setup CVS pserver in xinet ?
>I'm not sure if Xinetd is the same of inetd, but in my system the
>configuration is this:
>
>cvspserver stream tcp nowait root /usr/bin/cvs -f
> --allow-root=/usr/local/cvsroot pserver
To the original poster--don't forget, only use pserver in a highly trusted
environment or for anonymous access.
Regards, Dustin
--
Dustin Puryear <[EMAIL PROTECTED]>
http://members.telocity.com/~dpuryear
Integrate Linux Solutions into Your Windows Network
- http://www.prima-tech.com/integrate-linux
------------------------------
From: [EMAIL PROTECTED] (Erez Avraham)
Crossposted-To:
comp.os.linux,comp.os.linux.networking,comp.os.linux.questions,comp.os.linux.security,tw.bbs.comp.network,tw.bbs.comp.unix,tw.bbs.comp.xwindow
Subject: Re: how to write a backup script?
Date: Tue, 08 May 2001 14:23:37 GMT
Greeting
here is a script i wrote to backup my /etc dir and send it to my ftp
dir every night. each backup file is named according to the date:
####################################################################
tar czf `date -I`.etc.tar.gz /etc
sleep 60
# create a cfg file with username and password, and chmod it to 400
ncftpput -f login.cfg ftp.yourDomain.com /erez/linux/backup `date
-I`.etc.tar.gz rm `date -I`.etc.tar.gz
#####################################################################
On Tue, 24 Apr 2001 14:13:41 +1000, Frank Ranner <[EMAIL PROTECTED]>
wrote:
>percy wrote:
>>
>> hi,
>> who can help me to write a script to backup the system?
>> now , i can use tar and gzip to backup a directory. i need use ftp to send
>> to another host. but i don't know how to use script to use ftp command to
>> send to another host. please help me!
>>
>> Percy
>>
>> --
>> [EMAIL PROTECTED]
>tar is capable of sending to another system on its own like so:
> tar -cvf diamond:junk.tar x
>diamond.galaxy.org.au: No route to host
>tar: diamond\:junk.tar: Cannot open: Input/output error
>tar: Error is not recoverable: exiting now
>
>Of course it would have worked better had diamond been switched on. The
>point is
>that tar did try to send the data to host diamond.
>
>Unfortunately this scheme relies on rsh to work, and root is precluded
>from using
>this mechanism without some jiggery-pokery.
>
>Another way is pipe the output of tar through ssh to your destination
>system. By setting
>up the appropriate keys, it is possible to do a password-free transfer.
>
>Another scheme is to use rsync. This utility also allows backup across
>the network,
>but reduces the traffic by only transmitting changes.
>
>Regards, Frank Ranner
------------------------------
From: [EMAIL PROTECTED] (Rod Smith)
Subject: Re: Linux File Size Limit (ext2)
Date: Tue, 08 May 2001 13:39:06 -0000
Reply-To: [EMAIL PROTECTED]
In article <3af7666f$0$42869$[EMAIL PROTECTED]>,
[EMAIL PROTECTED] (Dances With Crows) writes:
> On Tue, 08 May 2001 01:30:10 -0000, [EMAIL PROTECTED] staggered into the
> Black Sun and said:
>>Can anyone tell me what the file size limit is ( RH 7.1)for an ext2 FS?
>>I got to 5.9 gig and it failed. Is there a way to increase the files
>>size limit ( i.e. kernel mods )?
>
> ext2 is a 64-bit filesystem; the size limit for a single file is in the
> terabyte range.
Actually, ext2fs is a 32-bit filesystem (the data structures are
predominantly 32 bits in size), although there are workarounds to allow
files larger than 4GB (2^32 bytes).
--
Rod Smith, [EMAIL PROTECTED]
http://www.rodsbooks.com
Author of books on Linux & multi-OS configuration
------------------------------
From: [EMAIL PROTECTED]
Subject: Re: Do I need /usr/local, /opt, /tmp and /var partitions?
Date: Tue, 08 May 2001 13:32:35 GMT
On Tue, 08 May 2001 10:54:32 +1000, Stanislaw Flatto
<[EMAIL PROTECTED]> wrote:
>> Does it really make sense to create /usr/local or /opt or /tmp or /var?
/usr/local, /opt, /tmp and /var do not have to be on separate
partitions, they can just be directories (with the appropriate
permissions) on the root (/) filesystem. /tmp and /var must be
present in some form (either as directories or partitions), you might
get by without a /usr/local or /opt. But the reason for the last 2 is
places for you to store "locally installed" software. If you never
install anything outside of what the distribution allows for, you may
never use /usr/local or /opt. But even in that case, you aren't
losing any space, so why worry about it?
Gord
------------------------------
From: [EMAIL PROTECTED] (Michael Perry)
Subject: Re: cdrecord only works with SCSI drives?
Date: Tue, 08 May 2001 13:52:45 -0000
On Tue, 08 May 2001 12:31:38 GMT, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> Ryan Joseph <[EMAIL PROTECTED]> writes:
>> I recently bought an HP 9100 series cd-rw which connects via IDE.
>> Now, when I downloaded cdrecord and a bunch of different front-ends,
>> all of them (the front ends) reported that they couldn't open
>> '/dev/pg0' and then said something about SCSI drives!
>
>> I thought that cdrecord was supposed to work with almost all types
>> of ATAPI/IDE drives as well - or did I just misread somewhere?
>
> cdrecord only knows SCSI, which means you have to set up your system
> to access the IDE CDROM via the SCSI emulation subsystem.
>
> I've always done so by creating a custom kernel that has IDE CD
> support turned off and SCSI emulation turned on, thus:
>
> CONFIG_BLK_DEV_IDESCSI=y
> # CONFIG_BLK_DEV_IDECD is not set
>
> It is reportedly also possible to handle this via some custom boot
> parameters, which requires no kernel recompiles.
> --
> (concatenate 'string "cbbrowne" "@ntlug.org")
> http://vip.hyperusa.com/~cbbrowne/resume.html
> "Sigh. I like to think it's just the Linux people who want to be on
> the `leading edge' so bad they walk right off the precipice."
> -- Craig E. Groeschel
One can add a append line to ignore the ide drive and work around the issue;
but you will still need ide-scsi compiled as a module. Not a big deal if
you use something like SuSE or RedHat I imagine. I usually recompile
kernels though since I use debian and like to clean the attic a bit from
what they give.
The ignore line is actually included in the cdrw howto and a pretty good
explanation of what goes on with scsi-based cdrw and ide ones.
--
Michael Perry
[EMAIL PROTECTED]
==================
------------------------------
From: [EMAIL PROTECTED] (Paul Kimoto)
Subject: Re: RedHat 7.1 shared memory problem?
Date: 8 May 2001 09:54:29 -0400
Reply-To: [EMAIL PROTECTED]
In article <[EMAIL PROTECTED]>, Chris Leahy wrote:
> Did I leave something out of my kernel for shared memory or is top just
> not working properly with the 2.4.x kernel?
> This figure remains 0 no matter how long the system is up.
>
> Mem: 126672K av, 69420K used, 57252K free, 0K shrd, 4340K
> buff
2.4.* kernels always report 0 for shared memory now (see /proc/meminfo)
even when memory is shared.
> --------------4B197205A8C6CCAC66D7967B
> Content-Type: text/html; charset=us-ascii
Please do not post text/html to Usenet.
--
Paul Kimoto
This message was originally posted on Usenet in plain text. Any images,
hyperlinks, or the like shown here have been added without my consent,
and may be a violation of international copyright law.
------------------------------
From: Ulrich Brachvogel <[EMAIL PROTECTED]>
Subject: StarOffice 5.2 and X11R6 v4.03
Date: Tue, 8 May 2001 00:01:34 +0200
Hi,
I've searched the net but without final success .
My system freezes during start of staroffice- just after showing the logo
-since I 've installed the XFree V4.03 with the savage driver.
With X V 3.3.6 it works!
What I dis up to now:
1. I installed the SO patch 109939-02 - no success
2. I set the variable SAL_DO_NOT_INVERT50=true the freezing came
a little later when the SO Desktop was allmost finshed.
There' s nothing to find in the SO user forum.
I hope somebody can give me a hint to fix the problem.
BTW my distro: SuSe 7.0 KDE 2.1 XFree V4.03
TIA Ulrich
<O
\\__///
/\ Save the curlew!
------------------------------
From: [EMAIL PROTECTED] (Paul Kimoto)
Subject: Re: Linux File Size Limit (ext2)
Date: 8 May 2001 10:07:25 -0400
Reply-To: [EMAIL PROTECTED]
In article <[EMAIL PROTECTED]>, [EMAIL PROTECTED] wrote:
> Is there a way to increase the files size limit ( i.e. kernel mods )?
See http://www.suse.de/~aj/linux_lfs.html
--
Paul Kimoto
This message was originally posted on Usenet in plain text. Any images,
hyperlinks, or the like shown here have been added without my consent,
and may be a violation of international copyright law.
------------------------------
From: [EMAIL PROTECTED]
Subject: Re: Linux File Size Limit (ext2)
Date: Tue, 08 May 2001 14:12:57 GMT
[EMAIL PROTECTED] (Rod Smith) writes:
> In article <3af7666f$0$42869$[EMAIL PROTECTED]>,
> [EMAIL PROTECTED] (Dances With Crows) writes:
>> On Tue, 08 May 2001 01:30:10 -0000, [EMAIL PROTECTED] staggered into the
>> Black Sun and said:
>>>Can anyone tell me what the file size limit is ( RH 7.1)for an ext2
>>>FS? I got to 5.9 gig and it failed. Is there a way to increase
>>>the files size limit ( i.e. kernel mods )?
>> ext2 is a 64-bit filesystem; the size limit for a single file is in
>> the terabyte range.
> Actually, ext2fs is a 32-bit filesystem (the data structures are
> predominantly 32 bits in size), although there are workarounds to
> allow files larger than 4GB (2^32 bytes).
It's not a "workaround;" the point of the exercise was to make offsets
based on numbers of blocks, not on numbers of bytes. That makes the
sizing effectively independent of numbers of bits.
In effect, it's not particularly meaningful to talk about the
"bittedness" of ext2, any more than it is meaningful to talk about the
"bittedness" of C.
--
(concatenate 'string "cbbrowne" "@ntlug.org")
http://vip.hyperusa.com/~cbbrowne/resume.html
"Sigh. I like to think it's just the Linux people who want to be on
the `leading edge' so bad they walk right off the precipice."
-- Craig E. Groeschel
------------------------------
From: vardhan <[EMAIL PROTECTED]>
Crossposted-To:
comp.unix.questions,comp.unix.programmer,comp.os.linux.development.system,comp.unix.solaris
Subject: Re: Sun Solaris IPC
Date: Tue, 08 May 2001 19:30:58 +0530
thanks all for you suggestions. I will go through the docs suggested!
--
Vardhan Walavalkar
email: [EMAIL PROTECTED]
------------------------------
From: [EMAIL PROTECTED]
Subject: Re: Linux File Size Limit (ext2)
Date: Tue, 08 May 2001 14:30:50 GMT
<[EMAIL PROTECTED]> writes:
> Can anyone tell me what the file size limit is ( RH 7.1)for an ext2
> FS? I got to 5.9 gig and it failed.
That is a peculiar size for it to fail at. I would have expected the
write to fail at right around 2GB, if it were to fail.
> Is there a way to increase the files size limit ( i.e. kernel mods
> )?
Recent kernels should move the limit up to 4TB; it is unlikely that
the issue you're having has anything to do with the kernel.
Large File Support on Linux does not solely depend on the kernel; in
order for your applications to support big files requires _three_
things:
a) The kernel change that takes off the 32 bit limitation, and
provides 64 bit-based system calls. [I'll avoid saying anything about
VFS...]
b) Changes to GLIBC that provide a user space API that supports 64 bit
file sizes even on a 32 bit platform.
c) Applications must be recompiled to use the 64 bit FILE structure.
All three must be in place to have >2GB files on 32 bit platforms.
It would be a bit surprising for RH 7.1 not to support this...
It seems likely that you've got some other problem, though. If any of
those three things above are not there, things should break down when
you hit 2GB, not 5.9GB.
--
(concatenate 'string "cbbrowne" "@ntlug.org")
http://www.ntlug.org/~cbbrowne/resume.html
Would I be an optimist or a pessimist if I said my bladder was half
full?
------------------------------
From: [EMAIL PROTECTED] (SammyTheSnake)
Subject: Re: DONT pass this up ! Ground Floor Opportunity 2042
Date: Tue, 8 May 2001 13:14:32 +0100
In article <DEQJ6.1775$[EMAIL PROTECTED]>, [EMAIL PROTECTED] wrote:
>PLEASE read this !
plonk
Cheers & God bless
SammyTheSnake
--
Sam.Penny @ Ntlworld.com | Looking for a computer related
Linux, Hardware & Juggling specialist :-) | job, if you can help, e-mail me :)
Wheels: bike, 'ickle bike, and unicycle. | /o \/ Working on 5 ball 1/2 shower
Boxen: K6-266@300, dual Celery500 & Nx486 | \__/\ & some 6 / 7 ball exercises
------------------------------
From: [EMAIL PROTECTED] (SammyTheSnake)
Crossposted-To:
comp.os.linux.networking,comp.os.linux.portable,comp.os.linux.powerpc,comp.os.linux.questions
Subject: Re: How to make money in no time!!
Date: Tue, 8 May 2001 15:08:20 +0100
In article <9cmb7r$arb$[EMAIL PROTECTED]>, Pera kojot wrote:
plonk
Cheers & God bless
SammyTheSnake
--
Sam.Penny @ Ntlworld.com | Looking for a computer related
Linux, Hardware & Juggling specialist :-) | job, if you can help, e-mail me :)
Wheels: bike, 'ickle bike, and unicycle. | /o \/ Working on 5 ball 1/2 shower
Boxen: K6-266@300, dual Celery500 & Nx486 | \__/\ & some 6 / 7 ball exercises
------------------------------
From: Jeremiah DeWitt Weiner <[EMAIL PROTECTED]>
Subject: Re: Quick question: how to copy files *and* directories?
Date: 8 May 2001 14:40:26 GMT
Jim Cochrane <[EMAIL PROTECTED]> wrote:
> How about:
> mv -f foobar backupdir
> mkdir foobar
> find foo bar -print | cpio -pdmv foobar
Frankly, I would have done
mkdir dest
( cd source && tar cvf - * ) | ( cd dest && tar xvf - )
but I'm sure there's a more elegant way to do that. (Note the
use of '&&' instead of ';' - if you can't cd into source, you don't want to
grab the current directory, and if you can't cd into dest, you don't want to
just barf the tar data wherever you happen to be.)
JDW
------------------------------
Subject: Re: How come...
From: Johan Kullstam <[EMAIL PROTECTED]>
Date: 08 May 2001 10:55:04 -0400
[EMAIL PROTECTED] (Dances With Crows) writes:
> On Mon, 7 May 2001 18:26:22 -0700, kalasend at YAHOO dot COM staggered
> into the Black Sun and said:
> >How come until today, Linux (or in general Unix) still does not have
> >the "undelete" feature?
>
> Historical reasons. Unix was a multi-user system from the very
> beginning, and storage space was very expensive back in the early
> 70s.
TOPS-20 was a multiuser system from the 70s. it had undelete and kept
a configurable number of back-up versions for you. deleting a file
was a two step process. first you cast "del" on them (which merely
marked them as dead, prevented "dir" from showing them by default, but
didn't free any space). then you invoked "expunge" which would reap
all the files marked as dead. in case you forgot, upon logout,
expunge would be automatically called.
i think ITS and VMS have (had?) similar systems but i do not have
first hand experience with them.
i liked the TOPS-20 system. unix zealots will of course scoff.
you could probably finagle a system like it for unix. create a shadow
tree of directories with hard links (either a kernel module or hack
libc to wrapper creat & friends). normally files would have two
links. rm removes one of them. reap single linkers in the shadow
tree later.
--
J o h a n K u l l s t a m
[[EMAIL PROTECTED]]
sysengr
------------------------------
From: "CSA, Kanata [KAN:4B22:EXCH]" <[EMAIL PROTECTED]>
Crossposted-To: alt.os.linux,alt.uu.comp.os.linux.questions
Subject: Help required with LILO+LINUX+NT mess
Date: Tue, 8 May 2001 11:04:57 -0400
Here is my problem. If any one has an answer please send me an email at
[EMAIL PROTECTED] or can reply here. I'll really appreciate that.
1. On my desktop there used to be LINUX which used to be booted by LILO and
used to ask for the userid and password which I forgot and I didn't know how
to bypass it at that time.
2. I had NT (version 4.0) with me and decided to load that but while
restarting the computer to complete the installation etc. it was booting to
LINUX and was repeatedly getting stuck at the userid and password stage.
3. So I decided to format the partition set aside for LINUX all together and
did so. But the LILO didn't go and looks like LILO is occupying almost 10 MB
space which I cannot format. So now there are LILO and NT in the machine.
4. Now if I restart the machine it gets into LILO boot prompt and
automatically starts linux but hangs after a while much before reaching
LINUX userid and password stage.
So what's the solution regarding this? I want to keep NT only (at the
least). However I didn't mind to keep the linux as well on the first place
(although I lost linux now, but can reload if needed). The thing is that, if
I get to some OS prompt I can use some usual OS commands to rewrite the
master boot record etc. But can't reach to that point.
-- Amitava
------------------------------
From: wroot <[EMAIL PROTECTED]>
Subject: Re: Do I need /usr/local, /opt, /tmp and /var partitions?
Date: Tue, 8 May 2001 11:13:14 -0400
Are there any reasons to have /boot on a separate partition?
Wroot
------------------------------
From: "Mark Watson" <[EMAIL PROTECTED]>
Subject: Q: TCP stealth mode for dialup only?
Date: Tue, 08 May 2001 15:29:17 GMT
When I run Linux (SuSE 7.0), I do not run inetd and
I don't run apache on port 80. If I do an nmap type port
scan from another machine, all my ports are closed
and unavailable, which is what I want (I can use the
internet, and minimize my exposure to anyone gaining
access to my PC).
I would like to go a step further and run in stealth mode
so that when script kiddies do SYN scans (etc.), my TCP
stack will not send any acknowledgements, effectively
making my PC invisible on the net.
I would very much appreciate suggestions for doing this the
easiest way possible, and still have a reasonably secure
system. (Also, why isn't this the default setup for Linux
distributions for end-users who do not want to run services?)
Thanks in advance for any information!
-Mark
--Mark Watson
--Java consulting, Open Source and Content: www.markwatson.com
------------------------------
From: Stephen Rank <[EMAIL PROTECTED]>
Subject: Re: pthread lib error
Date: 08 May 2001 16:21:45 +0100
fow99 <[EMAIL PROTECTED]> writes:
> Hi all,
>
> I am having problem linking to the pthread library. [ ... ]
> The following are the error messages:
> -----------------
>
> /tmp/cco6393p.o(.text+0x726): undefined reference to `pthread_cond_destory'
> /tmp/cco6393p.o(.text+0x746): undefined reference to `pthread_mutex_destory'
Assuming these are cut-and-pasted rather than re-typed, you've
misspelled `destroy' twice. Annoying when that happens!
Spare a thought for us programmers in the UK, who have to learn to
cope with `color', `dialog', etc. More than once I've spent ages
looking for the error in `foo.openDialogue()' or similar :)
HTH,
Stephen
--
989335149
------------------------------
From: Ping Crosby <[EMAIL PROTECTED]>
Crossposted-To: alt.os.linux,alt.uu.comp.os.linux.questions
Subject: Re: Help required with LILO+LINUX+NT mess
Date: Tue, 08 May 2001 16:30:12 +0100
lol *grin* I'm sorry for laughing but I had exactly the same problem! It took me
bloody ages to repair the master boot record. I had to resort to a low level
format, but that was before I found out you could get rid of it easily in DOS -
sad I know, but up until recently I was only really familiar with the Risc OS
operating system. Just type FDISK /MBR. This will wipe the master boot record so
u will need your NT start up disks.
I was able to get Win98, NT and Debian Linux all bootable from the NT boot
loader, much better then using LILO, but u need a Linux Distribution that allows
u to place LILO on the partition the distribution was installed on and not in
the MBR. U also need a program called BootPart to create a bootsector image of
the drive that has LILO on.
This will explain how to do it:
http://www.cs.princeton.edu/~jrc/windows/winnt/dualboot.html
Hope this helps.
--
Ping Crosby <[EMAIL PROTECTED]>
------------------------------
From: [EMAIL PROTECTED]
Subject: Re: Do I need /usr/local, /opt, /tmp and /var partitions?
Date: Tue, 08 May 2001 15:46:34 GMT
wroot <[EMAIL PROTECTED]> writes:
> Are there any reasons to have /boot on a separate partition?
.. Because you can then have a tiny /boot partition that is normally
mounted read-only, which effectively eliminates any need _ever_ to do
an unclean fsck of it.
Furthermore, if it's normally read-only, then would-be nefarious
no-gooders trying to hack your system may find it more challenging to
get their favorite kernel hack put in...
--
(reverse (concatenate 'string "ac.notelrac.teneerf@" "454aa"))
http://vip.hex.net/~cbbrowne/resume.html
Don't be so open-minded that your brains fall out.
------------------------------
From: Garglemonster <[EMAIL PROTECTED]>
Subject: Re: How to do a compressed dump backup?
Date: 08 May 2001 21:38:36 +0900
>>>>> "Juergen" == Juergen Heinzl <[EMAIL PROTECTED]> writes:
Juergen> In article <[EMAIL PROTECTED]>, james montoya
Juergen> wrote:
>> Does anyone know the device name that provides a compressed
>> dump backup on Redhat linux? I am currently using dump -0auf
>> /dev/nst0 which isn't compressed. On a SUN Solaris system it
>> is /dev/rmt/0cn for example.
Juergen> [-] Given you've got the right version you can enable
Juergen> compression via mt.
you'll also need a tape drive that does hardware compression, though.
(that being said, all of them i use have it).
gm
--
[EMAIL PROTECTED]
My vaseline is RUNNING...
------------------------------
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End of Linux-Misc Digest
******************************
