Re: [SLUG] ntp problems

[Ian Ward]

Have BTDT

1. you need to allow traffic from ANYWHERE  port 123 back to your external
IF

2. on a redhat system, if the file /etc/ntp/step-tickers exists, then ntp
will set the clock as a once off when starting. Get my step-tickers from
http://www.cyberpro.com.au/downloads/step-tickers , I use CSIRO as my once
off sync on boot.

3. If your read around, they say you shouldn't really sync with stratum 1
servers such as CSIRO.  There are many public stratum 2 servers.  They say
you should be syncing with three or more to ensure one doesn't screw you
because of a sysadmin error on their part.  I would not use the broadcast
method (one version of the redhat rpm did)  Get my /etc/ntp.conf file at
http://www.cyberpro.com.au/downloads/ntp.conf , I have all the public
servers in it (mostly commented out)

4. It takes some time for your server to become synced.  Use "ntptrace" to
find out.  If you have just started ntpd you will be at stratum 16 (the
lowest) on localhost.  Once you are synced it will do the following:

[root@chevy /etc]# ntptrace
localhost: stratum 3, offset 0.03, synch distance 0.20709
ns.saard.net: stratum 2, offset -0.010029, synch distance 0.02847
tictoc.tip.CSIRO.AU: stratum 1, offset -0.014075, synch distance 0.00142,
refid 'ATOM'
[root@chevy /etc]#

My server sits at stratum 3, workstations are therefore stratum 4.

5. Microsoft Winblows XP, if you enter an IPADDRESS, it doesn't @#$ work!
(in my experience)
The Microsoft help is totally clueless (as usuall) but it does use ntp port
123 (i watched it with iptraf)
If you put in the hostname of your firewall/server, and try and manually
update, it probably will not work.
If you just ignore this, windows will update itself with your server
eventually

Hope this helps.

- Original Message -
From: "Howard Lowndes" <[EMAIL PROTECTED]>
To: "Mail List - SLUG" <[EMAIL PROTECTED]>
Sent: Monday, May 27, 2002 10:36 AM
Subject: [SLUG] ntp problems


> I have an ntpd daemon running on my gateway which syncs to external clocks
> OK, but when I try to do an ntpdate from an intranet workstation to that
> daemon then it comes back with:
>
>  no server suitable for synchronization found
>
> tcpdump shows the traffic between the ntp client and the ntp server as
> being OK and there is no internal filtering going on.
>
> I would prefer not to have the intranet workstations syncing with external
> clocks, I would prefer that they use my internal clock and only have that
> syncing.
>
> One thing I have noticed is that the ntpd daemon running on the gateway
> never gets above the minpoll frequency (minpoll 6 = 64 seconds), whereas
> another, totally separate, daemon that I have running elsewhere is
> consistently running at maxpoll (maxpoll 16 = 65536 seconds)
>
> Any clues out there?
>
> --
> Howard.
> LANNet Computing Associates - Your Linux people
> Contact detail at http://www.lannetlinux.com
> "Life is like a hot bath - it's great when you're in it,
>  but the longer you stay the more wrinkled you become."
>   - Garfield
>
> --
> SLUG - Sydney Linux User's Group - http://slug.org.au/
> More Info: http://lists.slug.org.au/listinfo/slug
>

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Re: [SLUG] I am having TELNET problem in RedHat Linux 7.2

[Howard Lowndes]

Try running

tcpdump -nn -i eth0 port 23

on both machines and see what traffic is passing.

On Mon, 27 May 2002, Upendra wrote:

> Dear friends,
> I have two DELL machines both running RedHat Linux 7.2 connected to each
> other by a crossover cable.  I can ping one from the other other without any
> problem.
> But I can not telnet to the telnet server from either one.  I modified the
> file in /etc/xinet.d/telnet where disalbe=no and I  restarted
> /etc/rc.d/init.d/xinetd ..but I am still not able to telnet.  From the
> machine itself, I can telnet to itself, but from other machine, it says
> connection refused.
>
> any help would be appreciated.
> Thanks
> Upendra
>
>

-- 
Howard.
LANNet Computing Associates - Your Linux people
Contact detail at http://www.lannetlinux.com
"Life is like a hot bath - it's great when you're in it,
 but the longer you stay the more wrinkled you become."
  - Garfield

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Re: [SLUG] gcc 3.1 - to use or not to use - that is the question

[Daniel Stone]

On Mon, May 27, 2002 at 01:35:28PM +1000, Simon Wong wrote:
> Sluggers,
> 
> I notice that gcc-3.1 has slipped into the debian archives...
> 
> What are people's opinion of this new version?
> 
> My "understanding" is that it is not really stable yet and shouldn't be
> used.  Is this true?

I bloody well hope not, it's going to be the default very, very soon. :)

When 3.0.x was released, the only architectures it was recommended for
use on were hppa, ia64, etc; the new architectures that didn't support
gcc 2.95.x.

With 3.1.x, however, gcc has apparently stabilized, and should be All
Good. The latest KDE should build fine on it, HOWEVER you will also have
to recompile libqt et al.

This is because of massive differences in the C++ linkage etc, which
means that for C++ stuff, it's all or nothing wrt gcc 3.1.x. It's also a
lot more strict, so it won't tolerate slightly dodgy code that somehow
worked on 2.95.x.

G'luck!
:) d

-- 
Daniel Stone   <[EMAIL PROTECTED]>   http://raging.dropbear.id.au
KDE Developer  <[EMAIL PROTECTED]>   http://www.kde.org
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Re: [SLUG] ask include file(redefinition)

[Daniel Stone]

On Mon, May 27, 2002 at 05:01:46PM +1000, Jamie Wilkinson wrote:
> This one time, at band camp, henry wrote:
> >one definition(as follows) is from /usr/src/linux/include/linux/types.h
> >
> >another definition(as follows) is from /usr/include/unistd.h
> 
> >How could I do ?
> >Could someone shed some light on it ?
> 
> You should be using , not .

Userspace programs should never, ever use kernel includes, unless you
have a good reason, and 500 shekels for your trouble.

> I'm too sexy for my code.
> -- Awk Sed Fred

"grep, man!", sed awk.

-- 
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Re: [SLUG] BPB ADSL & PPPoA

[Anton Winter]

On Mon, 2002-05-27 at 14:15, Howard Lowndes wrote:
> Has anyone had any joy getting Linux to talk to the Telstra ADSL 4 port
> modem in PPPoA mode.  From what I am reading on their web site it _has_ to
> be that other OS and they dont even list Mac.
> 

You will find that what you have is in actual fact a 4 port dsl router
not a modem.  It acts the same way as any home style internet connection
sharing device works.  It supplies its own dhcpd, nat, firewall etc..
Tel$tra give you these now, you have to specifically ask for the alcatel
dsl modem if you so require to use linux to do all your internet routing
and such tasks.


-- 
Anton Winter
http://myrddin.org

GPG key id: 0x5B15EDE6



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Re: [SLUG] I am having TELNET problem in RedHat Linux 7.2

[Matthew Hannigan]

Zhasper wrote:
> Quite possibly, while installing Redhat, you chose to set up a firewall..
> 
> Try running firewall-config and turning all the firewalling off...
> 

Eek!


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[SLUG] Next SLUG Meeting - Friday, 31st May, 2002

[Jeff Waugh]

 Next SLUG Meeting - Friday, 31st May, 2002

 * When: 6:30pm - about 8:30pm (then dinner, etc)
 * Where: UTS, Central Sydney 


The Usual Suspects - Starts 6:30pm

 * Q&A - "What has Linux done for/to me lately?"
 * SLUG News & Discussion

Special General Meeting

   We will be holding a Special General Meeting this month, to vote on the
   committee's proposed changes to the SLUG constitution. It was announced
   with a summary of changes and voting information on May 9th, 2002.

   Please read the summary of changes so that we don't have to spend too
   much time on it during the meeting. It's action-packed enough already!

  http://lists.slug.org.au/archives/announce/2002/05/msg2.html

Lightning Talks

   Something new! 5 to 10 minute talks or presentations on cool new
   software, projects by SLUGgers, crazy hardware, news items,
   announcements, whatever! Quick intros to whet your appetite, for
   discussion on the list or during the break.
   
 * Announcement of New Meeting Format for June - SLUG Committee
 * CVS Monitor - Adam Kennedy

Linux on the PlayStation 2 - Bill Dixon

   Bill Dixon from Sony Australia will be showing off our favourite
   operating system... running on the PlayStation 2. Their Linux kit -
   released here, May 27th - was only available in Japan until Linux
   users around the world demanded it. Yes, this was straight out of the
   press release. ;-)

   Bill will be speaking about:
   
 * What's in the kit? What's not in the kit?
 * Can I install my Linux applications?
 * Technical gotcha's
 * Target audience
 * How will it be sold?
 * Questions

How To Read a Perl Script - Angus Lees

   To complete the "three P's", this talk will be an extremely brief
   overview of Perl, followed by a very elementary introduction to the
   Perl language and syntax. The hope is to dispell the "line-noise" myth
   often espoused by the uninitiated and show just how easy Perl really
   is.

Dinner - Starts around 9:00pm

   If Boiled Television Entrails aren't seducing you to post-SLUG-meeting
   dinners anymore (like many of us), you'll be pleased to know that we're
   going back to Spice Boys this month. Hopefully we'll have a cheaper deal
   organised, to match the HBTE.

- Jeff

-- 
   "Socks for the foot menu!" - Liam Quin   
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[SLUG] Transfer users

[Simon Bryan]

Hi all,
The last remaining task in changin from Mandrake 6 to a new server with
RH7.2 is to transfer the users.
I have a system for transferring the users using a file and Webmin's bulk
adduser routine, which I have used in the past. However this time I need to
transfer the passwords as well, once I have created the users can I simply
copy over the shadow password file, or should I do it first, or won't that
work at all.

Any advice appreciated,
Cheers

_
Simon Bryan
IT Manager
OLMC Parramata
ICQ#: 137562751
_


<>

[SLUG] Are you an Anti-GPL bigot?

[Jeff Waugh]

Yes?

Find out if your tall tales are true with the FSF's GPL quiz! Hours of fun
for pedants and microeconomics-law majors everywhere.

  http://www.gnu.org/cgi-bin/license-quiz.cgi

Did you GNU all of them? (Ah ha ha ha!)

- Jeff

-- 
Lego is the plural of Lego. 
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Re: [SLUG] I am having TELNET problem in RedHat Linux 7.2

[DaZZa]

On Mon, 27 May 2002, Upendra wrote:

> I have two DELL machines both running RedHat Linux 7.2 connected to each
> other by a crossover cable.  I can ping one from the other other without any
> problem.
> But I can not telnet to the telnet server from either one.  I modified the
> file in /etc/xinet.d/telnet where disalbe=no and I  restarted
> /etc/rc.d/init.d/xinetd ..but I am still not able to telnet.  From the
> machine itself, I can telnet to itself, but from other machine, it says
> connection refused.

Try ssh instead.

Redhat 7.2 disallows telnet from anything but the localhost by default in
its firewall ruleset.

You need to modify the firewall setup to allow incoming telnet as well as
modifying xinetd.

DaZZa

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[SLUG] wireless lan

[Antony Clarke]

Trying to set up routing for my gateway and wireless lan. I have had
iptables and nat setup many times but now I am stumped.

I have installed redhat 7.3 box with adsl on eth0 known as ppp0.

A wireless pci_pcmcia bridge with wireless card eth1 (192.168.1.2)

A laptop with Win ME / redhat 7.1 also with wireless card (192.168.1.3)
with gateway 192.168.1.2.

I can ping each of the wireless cards and the adsl is up and working. I
can't ping an address on the internet from the laptop.

Ipchains has been deleted, I have flushed my iptables back to allow
everything.

ip route shows

default via  dev ppp0

I then modprobe iptables; iptables -t nat -A POSTROUTING -o ppp0 -j
MASQUERADE;

cat /proc/sys/net/ipv4/ip_forward shows 1

I have also emptied hosts.allow/deny.

Is their some special issues with wireless cards I might be missing?




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Re: [SLUG] wireless lan

[Antony Clarke]

On Mon, 2002-05-27 at 22:31, Antony Clarke wrote:
> Trying to set up routing for my gateway and wireless lan. I have had
> iptables and nat setup many times but now I am stumped.
> 
> I have installed redhat 7.3 box with adsl on eth0 known as ppp0.
> 
> A wireless pci_pcmcia bridge with wireless card eth1 (192.168.1.2)
> 
> A laptop with Win ME / redhat 7.1 also with wireless card (192.168.1.3)
> with gateway 192.168.1.2.
> 
> I can ping each of the wireless cards and the adsl is up and working. I
> can't ping an address on the internet from the laptop.
> 
> Ipchains has been deleted, I have flushed my iptables back to allow
> everything.
> 
> ip route shows
> 
> default via  dev ppp0
> 
> I then modprobe iptable_nat; iptables -t nat -A POSTROUTING -o ppp0 -j
> MASQUERADE;
>

Sorry, yes I meant modprobe iptable_nat.

> 
> cat /proc/sys/net/ipv4/ip_forward shows 1
> 
> I have also emptied hosts.allow/deny.
> 
> Is their some special issues with wireless cards I might be missing?
> 
> 
> 
> 
> -- 
> SLUG - Sydney Linux User's Group - http://slug.org.au/
> More Info: http://lists.slug.org.au/listinfo/slug


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[SLUG] System suddenly crashing with new monitor?!

[lukekendall]

Since plugging in my new 21" Mitsubishi monitor, my Linux machine is
now crashing very frequently.  My wife tells me that it locked up 3
times today - she was trying to send an email or two, and never
succeeded.

I was trying to send an email just now, and it also froze.  Running at
the time would have been 3 X sessions - one each for me and my wife on
the console, and one for her Windows machine.

This is the same system I was having trouble with until I replaced the
250W power supply with a 300W power supply.  Since then it's been rock
solid.

The system was locked up solid - no cursor in X, couldn't kill X, a
login from another PC was also dead.

No message whatsoever in /var/log/messages - no weird errors at all.

Looking through it, I see that it crashed at 4:02 am, 10:54, 17:56, and
22:59.

Any suggestions?  I guess I'm using a bit more memory, since we're
running at 1600x1200 res, but even so ...  At the moment X is sitting
on 61MB, RSS 11MB, and there's 128MB free memory.  Swap partition is
small - 256MB.

The monitor is plugged in from a separate power point to the
computer, though very nearby (it's one of those twin socket wall ones).

I'm at a bit of a loss here.  The only thing I can think to try is to
change to my old X config file and put the old monitor back and see
what happens.  But for the sake of my back, I'll leave that until
tomorrow.  (This monitor is *heavy*.)

Any suggestions?

Thank god I'm using the ext3 file system - otherwise the fscks would be
killing us.

luke

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Re: [SLUG] System suddenly crashing with new monitor?!

[Jeff Waugh]

> Any suggestions?  I guess I'm using a bit more memory, since we're
> running at 1600x1200 res, but even so ...  At the moment X is sitting
> on 61MB, RSS 11MB, and there's 128MB free memory.  Swap partition is
> small - 256MB.

Does that mean you also changed the resolution?

What kind of video card to you have?

- Jeff

-- 
We're passe with class, eh? 
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Re: [SLUG] System suddenly crashing with new monitor?!

[Jan Schmidt]

> I was trying to send an email just now, and it also froze.  Running at
> the time would have been 3 X sessions - one each for me and my wife on
> the console, and one for her Windows machine.
> 

Well, I would try setting the X resolution back first. My machine here was
unstable with a generic 300W PSU whenever the CPU hit 100%, until I bumped
up the CPU and RAM core voltages by 0.1V

Then I replaced the PSU with a higher rating, and it's been fine ever since.

The machine was perfectly happy with the 300W under low CPU conditions. As
soon as I ran something like burncpu it would lock up though.

Cheers,
J.
--
Jan Schmidt  [EMAIL PROTECTED]

"Don't Panic" -- The Hitchhiker's Guide to the Galaxy
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Re: [SLUG] System suddenly crashing with new monitor?!

[lukekendall]

On 27 May, Jeff Waugh wrote:
>  
>  
> > Any suggestions?  I guess I'm using a bit more memory, since we're
> > running at 1600x1200 res, but even so ...  At the moment X is sitting
> > on 61MB, RSS 11MB, and there's 128MB free memory.  Swap partition is
> > small - 256MB.
>  
>  Does that mean you also changed the resolution?

Yes, from 1280x1024 at 24 bit to 1600x1200 at 24 bit.  So, from about
4MB for the X session per user to about 6MB.  I'm wondering whether it
just tipped us over the edge into using virtual memory too much.  How
is VM nowadays?  I know it's been dodgy for quite some time now, with
much heated discussion amongst kernel developers.

>  What kind of video card to you have?

RIVA TNT2 32MB - NVidia Riva Ultra 64 rev 21, Mem @ 0xd600/24

XFree86 Version 4.1.0 Release Date: 2 June 2001

Jan Schmidt wrote:

> Well, I would try setting the X resolution back first. My machine here was
> unstable with a generic 300W PSU whenever the CPU hit 100%, until I bumped
> up the CPU and RAM core voltages by 0.1V
> 
> Then I replaced the PSU with a higher rating, and it's been fine ever since.

Sounds like me, before moving to the 300W power supply.

> The machine was perfectly happy with the 300W under low CPU conditions. As
> soon as I ran something like burncpu it would lock up though.

Hmm, I guess I can write a while true do and see what happens.  I'll
send this email first, though.  :-)

Oh - one other significant thing.  I was just discussing this with my
wife, and the machine did *not* lock up 3 times today when she was using
it.  It did that only once.  The other 2 occasions it was the mail
program that crashed for no apparent reason.  (It doesn't do this.)

So I'm now suspecting either the mail program triggering the same 
problem Jan mentions (since it will load the CPU sometimes, depending on
the auto spell checker etc.).  But I'm very suspicious of it being a VM
problem.

Jan, did your crashes have any log message written to
/var/log/messages, or was it a crash without warning?

I'm also surprised that 2 of today's reboots (the one at 4am and the one
at 6pm), were completely unattended.  If the system had just locked up,
it wouldn't do that, would it?  The power would have to drop for that
to happen, surely?

luke

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Re: [SLUG] System suddenly crashing with new monitor?!

[Jeff Waugh]

> Yes, from 1280x1024 at 24 bit to 1600x1200 at 24 bit.  So, from about
> 4MB for the X session per user to about 6MB.  I'm wondering whether it
> just tipped us over the edge into using virtual memory too much.  How
> is VM nowadays?  I know it's been dodgy for quite some time now, with
> much heated discussion amongst kernel developers.

Depends on your kernel. What are you running?

> RIVA TNT2 32MB - NVidia Riva Ultra 64 rev 21, Mem @ 0xd600/24

Using the Free or proprietary driver?

- Jeff

-- 
   You know the end is nigh when modern art is relegated to the status of   
  "meme".   
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Re: [SLUG] System suddenly crashing with new monitor?!

[Jan Schmidt]

> just tipped us over the edge into using virtual memory too much.  How
> is VM nowadays?  I know it's been dodgy for quite some time now, with
> much heated discussion amongst kernel developers.

No, VM is just dandy for me with 2.4.19-pre4

uptime
 23:54:15 up 15 days, 16:23,  4 users,  load average: 0.36, 0.37, 0.20

Last reboot was to move a video capture card in.

> Jan Schmidt wrote:
> 
> > The machine was perfectly happy with the 300W under low CPU conditions. As
> > soon as I ran something like burncpu it would lock up though.
> 
> Hmm, I guess I can write a while true do and see what happens.  I'll
> send this email first, though.  :-)

As I said, I was using the cpuburn package, which runs tight assembler loops
to heat CPUs up. With the dodgy PSU and the standard CPU core voltage, it
would just hard lock within 10 seconds. After the PSU upgrade, I ran it for
8 hours and got the CPU up to 55C

Other symptoms were programs randomly segfaulting, particularly video
encoding and other such CPU intensive apps.

> Jan, did your crashes have any log message written to
> /var/log/messages, or was it a crash without warning?

Nothing - the machine hard locked at the physical level, I believe.

> I'm also surprised that 2 of today's reboots (the one at 4am and the one
> at 6pm), were completely unattended.  If the system had just locked up,
> it wouldn't do that, would it?  The power would have to drop for that
> to happen, surely?

Modern CPU's can be quite sensitive to voltage supply fluctuations,
particularly athlons. With el cheapo power supplies, the droop caused by the
CPU requesting more power can be enough to drag the voltages down.

J.
--
Jan Schmidt  [EMAIL PROTECTED]

Pants Pants Pants Pants Pants Pants Pants Pants.
Lovely Pants, wonderful Pa-ants.
Lovely Pants, wonderful Pa-ants.
(Shut up! Bloody Vikings.)
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Re: [SLUG] System suddenly crashing with new monitor?!

[lukekendall]

On 27 May, Jeff Waugh wrote:
>  Depends on your kernel. What are you running? 

2.4.18

>  > RIVA TNT2 32MB - NVidia Riva Ultra 64 rev 21, Mem @ 0xd600/24 
>   
>  Using the Free or proprietary driver? 

Free I assume - well, whatever comes with RH 7.2 by default.

Incidentally, I've tried loading up the CPU, and the CPU monitor
agrees, and it hasn't had a problem.  But there's just me logged in, so
from "top" I see that the memory use still gives me 90MB free as I type
this.

luke

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RE: [SLUG] Mozilla mail & IMAP

[Peter Worboys]

Andy
 
mozilla-mail-0.9.9-12.7.3.i386.rpm was posted to the Redhat update site on the 14th May 
for RH7.3.
 
Maybe that will fix problems from the distributed 
one
 
Just a thought

  -Original Message-From: [EMAIL PROTECTED] 
  [mailto:[EMAIL PROTECTED]]On Behalf Of Andy EagerSent: 
  Monday, 27 May 2002 3:00To: Tony Green; 
  [EMAIL PROTECTED]Subject: Re: [SLUG] Mozilla mail & 
  IMAPTony Green wrote:
  1022470275.1138.77.camel@cavey type="cite">On Mon, 2002-05-27 at 12:59, Andy wrote:
Hi all,Anyone know anything about a broken imap in mozilla-mail-0.9.9?I just upgraded from RH7.2 to 7.3 and now my mozilla-mail doesnt work with imap.  It certainly used to!!I use courier-imap and I know it is working since I can read mail from M$-Outlook configured for read with imapCan you give us an idea what isn't working.  Any errors etc?I 
  can now that I put mozilla-0.9.2 back!!It seems as though ver 0.9.9 
  doesnt even attempt to connnect to the imap server.My /etc/xinetd.d/imap 
  file has logging enabled for both success and failure.  I cant see 
  anything when mozilla-0.9.9 attempts to read mail via the imap server. 
   I replace mozilla0.9.9 with 0.9.2 and everything works 
  again.I also noticed that I wasn't able to send mail either.  I 
  use procmail on server mail.aes and the same 'Unable to connect to mail.aes" 
  message appears.  I did try replacing with an IP address, but that didn't 
  work either.In short, I reckon 0.9.9 is just stuffed!Any 
  similar experiences ?Andy

[SLUG] DCCOM Multiport Serial Card

[Steven Kerr]

Good Morning.

I am attempting to upgrade a RH6.2/2.2.20 system to RH7.2/2.4.18 and
am having an issue getting a PCCOM Serial 8 card working.

This particular card worked gracefully in an RH6.2/2.2.20 system but
the supplied instructions (and those gathered from the net) only seem
to talk about modifying serial.c and turning on MULTIPLE SERIAL PORTS
ON SINGLE IRQ option in the kernel configuration.

Has anyone had experience with this particular card on 2.4 kernels,
and if not ANY ideas getting a multiport card would be a great help.

Thx in advance

Steven Kerr


__
Get your free Australian email account at http://www.start.com.au

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[SLUG] Transfer Users

[Simon Bryan]

Sent this last night, hasn't appeared. I think I may have had rtf format
set.

Hi all,
The last remaining task in changin from Mandrake 6 to a new server with
RH7.2 is to transfer the users.
I have a system for transferring the users using a file and Webmin's bulk
adduser routine, which I have used in the past. However this time I need to
transfer the passwords as well, once I have created the users can I simply
copy over the shadow password file, or should I do it first, or won't that
work at all.

Any advice appreciated,
Cheers


_
Simon Bryan
IT Manager
OLMC Parramata
ICQ#: 137562751
_

-- 
SLUG - Sydney Linux User's Group - http://slug.org.au/
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Re: [SLUG] Transfer Users

[Jeff]

Simon,
   I have about 60 users on my system and have upgraded the main
hard drive twice. Both times I simply copied the
/etc/passwd file and the /etc/group files over first. When I copy the /home
directory accross and any other directory the users use I make sure the copy
is with permissions and owner preserved.
This works for me.


- Original Message -
From: "Simon Bryan" <[EMAIL PROTECTED]>
To: "Slug" <[EMAIL PROTECTED]>
Sent: Tuesday, May 28, 2002 8:32 AM
Subject: [SLUG] Transfer Users


> Sent this last night, hasn't appeared. I think I may have had rtf format
> set.
>
> Hi all,
> The last remaining task in changin from Mandrake 6 to a new server with
> RH7.2 is to transfer the users.
> I have a system for transferring the users using a file and Webmin's bulk
> adduser routine, which I have used in the past. However this time I need
to
> transfer the passwords as well, once I have created the users can I simply
> copy over the shadow password file, or should I do it first, or won't that
> work at all.
>
> Any advice appreciated,
> Cheers
>
>
> _
> Simon Bryan
> IT Manager
> OLMC Parramata
> ICQ#: 137562751
> _
>
> --
> SLUG - Sydney Linux User's Group - http://slug.org.au/
> More Info: http://lists.slug.org.au/listinfo/slug
>
>


-- 
SLUG - Sydney Linux User's Group - http://slug.org.au/
More Info: http://lists.slug.org.au/listinfo/slug

Re: [SLUG] Transfer Users

[Tony Green]

On Tue, 2002-05-28 at 08:44, Jeff wrote:
> Simon,
>I have about 60 users on my system and have upgraded the main
> hard drive twice. Both times I simply copied the
> /etc/passwd file and the /etc/group files over first. When I copy the /home
> directory accross and any other directory the users use I make sure the copy
> is with permissions and owner preserved.
> This works for me.
> 

If you're using shadow passwords, you must copy the /etc/shadow file
over too - otherwise things won't go quite that smooth.

TG
-- 
Tony Green <[EMAIL PROTECTED]>
Tel   :   +61-(0)2-9500-9996



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Description: This is a digitally signed message part

Re: [SLUG] Mozilla mail & IMAP

[Matthew Hannigan]

I found at least one new imap bug on mozilla's bugzilla:

http://bugzilla.mozilla.org/show_bug.cgi?id=90494

Apparently depends on the imap server you're using.

Do you know which it is?

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Re: [SLUG] Mozilla mail & IMAP

[Andy Eager]

Matthew Hannigan wrote:

> I found at least one new imap bug on mozilla's bugzilla:
>
> http://bugzilla.mozilla.org/show_bug.cgi?id=90494
>
> Apparently depends on the imap server you're using.
>
> Do you know which it is?
>
Thanks for that.  I am using courier imap and that bug seems to be it. 
 Guess I will stick with the older version for now.




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RE: [SLUG] Transfer Users

[Simon Bryan]

Thanks all,
What I ended up doing was to use Webmins add user facility.
Details:
load both the passwd file and the shadow file into Excel, delete unwanted
users and then inserted the encrypted passwords into the second column in
the passwd file using cut and paste, added five dummy columns at the end of
each row containg zz in each cell, inserted a column at the beginnin with
'create' in each cell. Added the group Staff to my server, deleted all the
exisiting UID's and replaced them with 'zz', replaced all the exisiting
GID's with the GID for the group staff. Saved that as csv file, loaded it
into NoteTab Light, replaced all the , with : then replaced all the zz with
nothing.

Used Webmin and 'add users from a batch file' and bingo all users created,
including Home directoires etc as well as updating the Samba users at the
same time.

Total time about 10 minutes, once I had worked out the process.

I thought about just copying the files and directories but that was a
problem (for me anyway) as they are on different servers and I was not sure
how to copy the directories and preserve permissions. Also this gave me a
chance to put all the users into a Staff group and eleiminate all the
individual groups that I had created when using 'useradd'.


Cheers,

> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> Jeff
> Sent: Tuesday, 28 May 2002 8:45 AM
> To: Simon Bryan; Slug
> Subject: Re: [SLUG] Transfer Users
>
>
> Simon,
>I have about 60 users on my system and have upgraded the main
> hard drive twice. Both times I simply copied the
> /etc/passwd file and the /etc/group files over first. When I copy
> the /home
> directory accross and any other directory the users use I make
> sure the copy
> is with permissions and owner preserved.
> This works for me.
>
>
> - Original Message -
> From: "Simon Bryan" <[EMAIL PROTECTED]>
> To: "Slug" <[EMAIL PROTECTED]>
> Sent: Tuesday, May 28, 2002 8:32 AM
> Subject: [SLUG] Transfer Users
>
>
> > Sent this last night, hasn't appeared. I think I may have had rtf format
> > set.
> >
> > Hi all,
> > The last remaining task in changin from Mandrake 6 to a new server with
> > RH7.2 is to transfer the users.
> > I have a system for transferring the users using a file and
> Webmin's bulk
> > adduser routine, which I have used in the past. However this time I need
> to
> > transfer the passwords as well, once I have created the users
> can I simply
> > copy over the shadow password file, or should I do it first, or
> won't that
> > work at all.
> >
> > Any advice appreciated,
> > Cheers
> >
> >
> > _
> > Simon Bryan
> > IT Manager
> > OLMC Parramata
> > ICQ#: 137562751
> > _
> >
> > --
> > SLUG - Sydney Linux User's Group - http://slug.org.au/
> > More Info: http://lists.slug.org.au/listinfo/slug
> >
> >
>
>
> --
> SLUG - Sydney Linux User's Group - http://slug.org.au/
> More Info: http://lists.slug.org.au/listinfo/slug

-- 
SLUG - Sydney Linux User's Group - http://slug.org.au/
More Info: http://lists.slug.org.au/listinfo/slug

Re: [SLUG] Transfer Users

[Matthew Hannigan]

Simon,
Your persistance is to be applauded.  Though you
lose points for using a spreadsheet rather than a
unix editor :-)

It really should be a lot easier to do this task under
unix.

I have a script 'userexp' which takes a passwd/group/shadow
file and spits out a whole bunch of 'useradd' commands
to be run on another server, but it's not really ready
for mass consumption yet.

Someone kick me in the pants and I might release it.

Regards,
-Matt


Simon Bryan wrote:
> Thanks all,
> What I ended up doing was to use Webmins add user facility.
> Details:
> load both the passwd file and the shadow file into Excel, delete unwanted
> users and then inserted the encrypted passwords into the second column in
> the passwd file using cut and paste, added five dummy columns at the end of
> each row containg zz in each cell, inserted a column at the beginnin with
> 'create' in each cell. Added the group Staff to my server, deleted all the
> exisiting UID's and replaced them with 'zz', replaced all the exisiting
> GID's with the GID for the group staff. Saved that as csv file, loaded it
> into NoteTab Light, replaced all the , with : then replaced all the zz with
> nothing.
> 
> Used Webmin and 'add users from a batch file' and bingo all users created,
> including Home directoires etc as well as updating the Samba users at the
> same time.
> 
> Total time about 10 minutes, once I had worked out the process.
> 
> I thought about just copying the files and directories but that was a
> problem (for me anyway) as they are on different servers and I was not sure
> how to copy the directories and preserve permissions. Also this gave me a
> chance to put all the users into a Staff group and eleiminate all the
> individual groups that I had created when using 'useradd'.
> 
> 
> Cheers,
> 
> 
>>-Original Message-
>>From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
>>Jeff
>>Sent: Tuesday, 28 May 2002 8:45 AM
>>To: Simon Bryan; Slug
>>Subject: Re: [SLUG] Transfer Users
>>
>>
>>Simon,
>>   I have about 60 users on my system and have upgraded the main
>>hard drive twice. Both times I simply copied the
>>/etc/passwd file and the /etc/group files over first. When I copy
>>the /home
>>directory accross and any other directory the users use I make
>>sure the copy
>>is with permissions and owner preserved.
>>This works for me.
>>
>>
>>- Original Message -
>>From: "Simon Bryan" <[EMAIL PROTECTED]>
>>To: "Slug" <[EMAIL PROTECTED]>
>>Sent: Tuesday, May 28, 2002 8:32 AM
>>Subject: [SLUG] Transfer Users
>>
>>
>>
>>>Sent this last night, hasn't appeared. I think I may have had rtf format
>>>set.
>>>
>>>Hi all,
>>>The last remaining task in changin from Mandrake 6 to a new server with
>>>RH7.2 is to transfer the users.
>>>I have a system for transferring the users using a file and
>>
>>Webmin's bulk
>>
>>>adduser routine, which I have used in the past. However this time I need
>>
>>to
>>
>>>transfer the passwords as well, once I have created the users
>>
>>can I simply
>>
>>>copy over the shadow password file, or should I do it first, or
>>
>>won't that
>>
>>>work at all.
>>>
>>>Any advice appreciated,
>>>Cheers
>>>
>>>
>>>_
>>>Simon Bryan
>>>IT Manager
>>>OLMC Parramata
>>>ICQ#: 137562751
>>>_
>>>
>>>--
>>>SLUG - Sydney Linux User's Group - http://slug.org.au/
>>>More Info: http://lists.slug.org.au/listinfo/slug
>>>
>>>
>>
>>
>>--
>>SLUG - Sydney Linux User's Group - http://slug.org.au/
>>More Info: http://lists.slug.org.au/listinfo/slug
> 
> 


-- 
SLUG - Sydney Linux User's Group - http://slug.org.au/
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RE: [SLUG] Transfer Users

[Ben Donohue]

Uh Matthew...
hi... um... come over to parramatta for a sec and bend over...

Seriously i'd live a copy of the utility so if you could post it to the list
or email
privately i'd appreciate it.

I also thought Simon's post to the list of the howto was useful to Linux
learners (like me, (3 years or so). Hey that's a catchy title "Linux
learners".

Ben


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Re: [SLUG] wireless lan

[Peter Chubb]

> "Antony" == Antony Clarke <[EMAIL PROTECTED]> writes:

Antony> Trying to set up routing for my gateway and wireless lan. I have
Antony> had iptables and nat setup many times but now I am stumped.

Antony> I have installed redhat 7.3 box with adsl on eth0 known as ppp0.

Antony> A wireless pci_pcmcia bridge with wireless card eth1 (192.168.1.2)

Antony> A laptop with Win ME / redhat 7.1 also with wireless card
Antony> (192.168.1.3) with gateway 192.168.1.2.

Antony> I can ping each of the wireless cards and the adsl is up and
Antony> working. I can't ping an address on the internet from the laptop.

Antony> Ipchains has been deleted, I have flushed my iptables back to allow
Antony> everything.

Antony> ip route shows

Antony> default via  dev ppp0

On the ppp gateway you should see a route out of the wireless card as
well.

Can you ssh or telnet or whatever from your laptop to your gateway?

What is the result if ipchains -L -v  (or whatever the iptables equiv
is)

Peter C
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[SLUG] ★凯迪网络欢迎您访问 http://www.cat898.com

[slug-admin]

¡ï¿­µÏÍøÂ绶ӭÄú·ÃÎÊ http://www.cat898.com
*
»¶Ó­³ÉΪ±¾Õ¾»áÔ±²¢ÏíÓÐÿÈÕ·¢²¼¸üеÄ
¡¶È«ÇòÍøÂç¿ìµÝ¡·£ºhttp://www.cat898.com/netkd/
**
E-mail:[EMAIL PROTECTED]
   [EMAIL PROTECTED] 
==
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== 
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¡¶Æû³µÍçÖ÷¡·¡¶µçÄÔÓ²¼þ¡· 
=== 
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RE: [SLUG] Transfer Users

[Simon Bryan]

Don't know of any Linux editors that can do that, which doesn't mean
anything as I only know a little about pico and shudder when I use vi (I can
never remember how to write and quit!). Used to have a great editor on our
Acorn machines called StongEd, could do all that and more. The trick was to
be able to insert data into the same spot in each row and as the file is
already delimited with : a spreadsheet seemed the obvious choice and as I do
not have Linux desktops it had to be a Windows one. My solution required no
scripting and very little knowledge - which is why I came up with it  :-).

Having said that, I am also in Parramatta and although I won't quite just
say 'bend over'  :-) I am willing to give you the kick up the butt ;-)

> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> Matthew Hannigan
> Sent: Tuesday, 28 May 2002 12:33 PM
> To: Simon Bryan
> Cc: Jeff; Slug
> Subject: Re: [SLUG] Transfer Users
>
>
>
> Simon,
> Your persistance is to be applauded.  Though you
> lose points for using a spreadsheet rather than a
> unix editor :-)
>
> It really should be a lot easier to do this task under
> unix.
>
> I have a script 'userexp' which takes a passwd/group/shadow
> file and spits out a whole bunch of 'useradd' commands
> to be run on another server, but it's not really ready
> for mass consumption yet.
>
> Someone kick me in the pants and I might release it.
>
> Regards,
>   -Matt
>
>
> Simon Bryan wrote:
> > Thanks all,
> > What I ended up doing was to use Webmins add user facility.
> > Details:
> > load both the passwd file and the shadow file into Excel,
> delete unwanted
> > users and then inserted the encrypted passwords into the second
> column in
> > the passwd file using cut and paste, added five dummy columns
> at the end of
> > each row containg zz in each cell, inserted a column at the
> beginnin with
> > 'create' in each cell. Added the group Staff to my server,
> deleted all the
> > exisiting UID's and replaced them with 'zz', replaced all the exisiting
> > GID's with the GID for the group staff. Saved that as csv file,
> loaded it
> > into NoteTab Light, replaced all the , with : then replaced all
> the zz with
> > nothing.
> >
> > Used Webmin and 'add users from a batch file' and bingo all
> users created,
> > including Home directoires etc as well as updating the Samba
> users at the
> > same time.
> >
> > Total time about 10 minutes, once I had worked out the process.
> >
> > I thought about just copying the files and directories but that was a
> > problem (for me anyway) as they are on different servers and I
> was not sure
> > how to copy the directories and preserve permissions. Also this
> gave me a
> > chance to put all the users into a Staff group and eleiminate all the
> > individual groups that I had created when using 'useradd'.
> >
> >
> > Cheers,
> >
> >
> >>-Original Message-
> >>From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> >>Jeff
> >>Sent: Tuesday, 28 May 2002 8:45 AM
> >>To: Simon Bryan; Slug
> >>Subject: Re: [SLUG] Transfer Users
> >>
> >>
> >>Simon,
> >>   I have about 60 users on my system and have upgraded the main
> >>hard drive twice. Both times I simply copied the
> >>/etc/passwd file and the /etc/group files over first. When I copy
> >>the /home
> >>directory accross and any other directory the users use I make
> >>sure the copy
> >>is with permissions and owner preserved.
> >>This works for me.
> >>
> >>
> >>- Original Message -
> >>From: "Simon Bryan" <[EMAIL PROTECTED]>
> >>To: "Slug" <[EMAIL PROTECTED]>
> >>Sent: Tuesday, May 28, 2002 8:32 AM
> >>Subject: [SLUG] Transfer Users
> >>
> >>
> >>
> >>>Sent this last night, hasn't appeared. I think I may have had
> rtf format
> >>>set.
> >>>
> >>>Hi all,
> >>>The last remaining task in changin from Mandrake 6 to a new server with
> >>>RH7.2 is to transfer the users.
> >>>I have a system for transferring the users using a file and
> >>
> >>Webmin's bulk
> >>
> >>>adduser routine, which I have used in the past. However this
> time I need
> >>
> >>to
> >>
> >>>transfer the passwords as well, once I have created the users
> >>
> >>can I simply
> >>
> >>>copy over the shadow password file, or should I do it first, or
> >>
> >>won't that
> >>
> >>>work at all.
> >>>
> >>>Any advice appreciated,
> >>>Cheers
> >>>
> >>>
> >>>_
> >>>Simon Bryan
> >>>IT Manager
> >>>OLMC Parramata
> >>>ICQ#: 137562751
> >>>_
> >>>
> >>>--
> >>>SLUG - Sydney Linux User's Group - http://slug.org.au/
> >>>More Info: http://lists.slug.org.au/listinfo/slug
> >>>
> >>>
> >>
> >>
> >>--
> >>SLUG - Sydney Linux User's Group - http://slug.org.au/
> >>More Info: http://lists.slug.org.au/listinfo/slug
> >
> >
>
>
> --
> SLUG - Sydney Linux User's Group - http://slug.org.au/
> More Info: http://lists.slug.org.au/listinfo/slug

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Re: [SLUG] System suddenly crashing with new monitor?!

[Matt M]

Try testing the memory in the system -- use memtest86. Run through all the 
tests (takes about 24 hours on your average system), and see what it shows 
up. Memory's always the first thing I test when I start seeing `random' 
instability in a system.

Cheers,

Matt

P.S. If memtest turns up a fault, trying moving your memory about the 
slots, and rerunning. If it still fails, tweak the latencies in BIOS, and 
try again.

At 23:59 27/05/2002, [EMAIL PROTECTED] wrote:
>On 27 May, Jeff Waugh wrote:
> >  Depends on your kernel. What are you running?
>
>2.4.18
>
> >  > RIVA TNT2 32MB - NVidia Riva Ultra 64 rev 21, Mem @ 0xd600/24
> >
> >  Using the Free or proprietary driver?
>
>Free I assume - well, whatever comes with RH 7.2 by default.
>
>Incidentally, I've tried loading up the CPU, and the CPU monitor
>agrees, and it hasn't had a problem.  But there's just me logged in, so
>from "top" I see that the memory use still gives me 90MB free as I type
>this.
>
>luke
>
>--
>SLUG - Sydney Linux User's Group - http://slug.org.au/
>More Info: http://lists.slug.org.au/listinfo/slug


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[SLUG] How do you make an ext3 filesystem?

[Howard Lowndes]

As per the subject line.

TIA

-- 
Howard.
LANNet Computing Associates - Your Linux people
Contact detail at http://www.lannetlinux.com
"Life is like a hot bath - it's great when you're in it,
 but the longer you stay the more wrinkled you become."
  - Garfield

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Re: [SLUG] Mozilla mail & IMAP

[Peter Rundle]

>
>
>>Anyone know anything about a broken imap in mozilla-mail-0.9.9?
>>
>>
>>

  Dunno but I'm using


Mozilla 1.0 Release Candidate 2
  

Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0rc2) Gecko/20020510

and imap works fine.

HTH

Pete



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Re: [SLUG] How do you make an ext3 filesystem?

[Jamie Wilkinson]

This one time, at band camp, Howard Lowndes wrote:
>As per the subject line.

YOu make an ext2 filesystem, then

tune2fs -j /dev/whatever

-- 
[EMAIL PROTECTED]   http://spacepants.org/jaq.gpg
 
90% of the time, you're wrong about where you spend 90% of the time.
-- gstein, advogato.org
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Re: [SLUG] How do you make an ext3 filesystem?

[Peter Hardy]

On Tue, 2002-05-28 at 14:34, Howard Lowndes wrote:
> As per the subject line.

Take an ext2 filesystem, and run "tune2fs -j" on it.
Modify fstab and remount.

-- 
Pete
[EMAIL PROTECTED]

Things just happen.  What the hell.
-- Didactylos the philosopher
   (Terry Pratchett, Hogfather)

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Re: [SLUG] How do you make an ext3 filesystem?

[Howard Lowndes]

Muchos.

On Tue, 28 May 2002, Jamie Wilkinson wrote:

> This one time, at band camp, Howard Lowndes wrote:
> >As per the subject line.
>
> YOu make an ext2 filesystem, then
>
> tune2fs -j /dev/whatever
>
>

-- 
Howard.
LANNet Computing Associates - Your Linux people
Contact detail at http://www.lannetlinux.com
"Life is like a hot bath - it's great when you're in it,
 but the longer you stay the more wrinkled you become."
  - Garfield

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Re: [SLUG] Mozilla mail & IMAP

[Andy Eager]

Peter Rundle wrote:

>>
>>
>>> Anyone know anything about a broken imap in mozilla-mail-0.9.9?
>>>
>>>   
>>
>
>  Dunno but I'm using
>
>
>Mozilla 1.0 Release Candidate 2
>  
>
>Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0rc2) Gecko/20020510
>
> and imap works fine. 

What imap server are you using?  I'm using courier-imap.  (imap-2001a-10)
I tried Mozilla 1.0 Release Candidate 3 and found no difference.

>
>
> HTH
>
> Pete
>
>
>



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[SLUG] Re: How do you make an ext3 filesystem?

[Angus Lees]

At Tue, 28 May 2002 14:35:43 +1000, Jamie Wilkinson wrote:
> This one time, at band camp, Howard Lowndes wrote:
> >As per the subject line.
> 
> YOu make an ext2 filesystem, then
> 
> tune2fs -j /dev/whatever

or from scratch with: mke2fs -j /dev/whatever

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 - Gus
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Re: [SLUG] How do you make an ext3 filesystem?

[Michael Still]

On Tue, 28 May 2002, Howard Lowndes wrote:

> As per the subject line.

How reliable is ext3 these days? Am I being very brave if I upgrade my
laptop hard disc?

Mikal

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Michael Still ([EMAIL PROTECTED]) UMT+10hrs

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[SLUG] Re: How do you make an ext3 filesystem?

[Angus Lees]

At Tue, 28 May 2002 15:03:41 +1000, Michael Still wrote:
> How reliable is ext3 these days? Am I being very brave if I upgrade my
> laptop hard disc?

i've been running it on my laptop since december.

i've had numerous flat batteries and other rebootworthy lockups (my
laptop is pretty dodgy), and haven't noticed any lost data.

i had it complain once on journal playback, but it just went in to the
full fsck and then picked up from there.


i have noticed a big slowdown when the journal fills up and is forced
to flush immediately (eg when doing a large apt-get install) - things
get very slugish for a bit. under normal use its fine though.

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 - Gus
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[SLUG] ask help(how do I read *.info under emacs or xemacs)

[henry]

Dear List:
I am a newbie of emacs .
How do I read *.info under emacs or xemacs ?
 
 
Thanks in advance!
Henry
 
 
 

Re: [SLUG] How do you make an ext3 filesystem?

[Glen Turner]

On Tue, 28 May 2002, Michael Still wrote:

> How reliable is ext3 these days?

No "corrupts data" bugs seen on the kernel list for some time.

> Am I being very brave if I upgrade my laptop hard disc?

Not at all.  There will be a performance hit, but on a laptop
side-stepping the need to do a fsck on a unclean shutdown is worth it.

ext3 is a nice filesystem for a general desktop or laptop machine.  
Particularly nice is that is journals data, not just meta-data -- that is,
much lower odds of losing that document you just finished.

If you have a lot of spare disk real-estate have a look at the
size= parameter when creating the ext3 journal (it can be up to 4GB [1]).

Probably better sticking with ext2 for servers, and migrating to xfs when
xfs enters the kernel mainstream.

Cheers,
Glen

 [1] Part of the ongoing plot to make huge hard disks look small.
 eg: if you want to make the disk run fast
 80GB disk - 4GB journal - 10% reserved - 2 * 2GB swap
 leaving 64GB.

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[SLUG] tulip driver & RedHat 7.3

[Andy Eager]

Hi all,

Anyone out there using the tulip.o module with a DEC-21143 (CNET 100/10) 
NIC ?

I found back when I upgraded to RH7.2 that their tulip.o driver was 
broken.  Further investigation pointed me to Donald Becker's driver on 
www.scyld.com, which I was able to compile and worked OK on kernel 2.4.9-21.

Now that I have upgraded to RH7.3 with kernel 2.4.18-4, I find that the 
tulip.o module is still broken and that compiling DB's tulip.o module 
doesnt work anymore (The machine just hangs as soon as I try to insmod 
it from single user mode).

Any similar experiences?

Another question:  Can I get another tulip.o module from another distro 
(using the same kernel version) and use that driver?
(In other words, is the kernel the same accross different distro's with 
the same version?)

Regards,

Andrew E.

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