Re: [SLUG] Alternatives to Gnome3

2011-11-12 Thread Paul Dwerryhouse
On Sat, Nov 12, 2011 at 09:21:56PM +1100, Erik de Castro Lopo wrote:
 I just upgraded my debian testing laptop and found myself running
 Gnome3. I was quite happy with Gnome2 (with a few minor tweaks)
 but Gnome3 is completely abysmal.

For what it's worth, I can't stand Gnome 3 either, however after trying out
both XFCE and KDE, and finding that they both failed at one thing that I find
essential[1], I sat down and spent a lot of time with Gnome 3's classic mode,
and have been able to make it almost identical to my former Gnome 2 setup.

I don't think there's anything I'm particularly missing - although I have
found one major failing resulting from the silly Gnome tendency to remove
configuration options: because I still have KDE packages installed on my
laptop, some of these are still the default handlers for certain files, and
thus when I try to mount a remote SMB share via Nautilus, it starts up the
KDE file manager. There isn't any Gnome option to fix this ;)

Cheers,

Paul


[1] switching from one screen on my laptop to a side-by-side dual screen
setup and back again, when I plug in my external monitor. Neither XFCE nor
KDE could position the lower panel correctly when the desktop changed, and I
always ended up with it disappearing off the bottom of the screen, which was
really irritating. Gnome handles this properly.

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Re: [SLUG] Hacked email

2011-07-02 Thread Paul Dwerryhouse
On Sat, Jul 02, 2011 at 03:17:06PM +1000, DaZZa wrote:
 Unfortunately, the brd who hacked the account changes all the
 password recovery questions 

So, I'm interested ... do you know how this particular person got access to
your account in the first place?

Did you use the same userid/password combination on a different website that
subsequently got hacked? Or did you log in from a virus-laden PC, or perhaps
use the password on a public network in a cleartext exchange?

Cheers,

Paul

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Re: [SLUG] Travelling Overeseas - USB Modems

2010-09-05 Thread Paul Dwerryhouse
On Sun, Sep 05, 2010 at 03:40:00PM +1000, Rick Phillips wrote:
 We will be travelling in Europe on a guided tour where the use of free
 internet in coffee lounges is not an option and my experience of a
 couple of years ago was that buying Internet time in the hotels where we
 stayed was horrendously expensive - made worse by the exchange rate.
 
 Are USB 3G modems a reasonable alternative?  

I'm currently travelling around Europe, and I've been buying pre-paid sim cards
for internet access in almost every country I've spent more than a few days in.

I've been using both my phone (Nokia N85) tethered via a usb cable, and my
Huawei E169 USB 3G adaptor which I bought through Optus. One thing to note:
I would avoid any adaptor sold by Telstra, if you intend to use it in Europe.

This is because, for 3G data, telstra uses 2100MHz and 850Mhz (in regional
areas), whereas Europe (and Optus/Vodafone Australia) use 2100MHz and 900MHz.
So if you're going to buy an adaptor, get it from an Optus or Vodafone
affiliated store, and make sure that it's not sim-locked.

The prepaid deals available vary from country to country. In the UK, Ireland
and Sweden, for example, there's quite a bit of competition and you can get
some good deals (I rather liked 3's free sim and 10pound/1Gb, 15pound/3Gb for a
month offer in the UK, and here in Sweden, 90 krona got me 5Gb for a month).
In other places, it can be quite poor (Vodafone in the Netherlands was a
rip-off - max data is 50Mb per day on their so-called unlimited BloX plan).

As a bit of a self-plug, I've been slowly building up a list of prepaid data
offers (http://worldmobilenet.com/). The interface is crappy, and I'm not
entirely sure all the details are accurate, as in some cases it's relied
on me translating languages I don't really understand ;)

Cheers,

Paul


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Re: [SLUG] Travelling Overeseas - USB Modems

2010-09-05 Thread Paul Dwerryhouse
On Sun, Sep 05, 2010 at 07:09:56PM +1000, Rick Phillips wrote:
 I also have servers here in Oz that I have to look after and, while I
 could tether my iPhone, I don't want to be swapping sim cards in that in
 case I get a call from home that a server needs attention.

There might be occasions where you'll have to slip the sim into your phone
anyway - some providers require that you call a number to add credit to the
card. And in one instance (here in Sweden, on 3) I have been utterly unable
to get the prepaid sim to work in my 3G usb dongle. It works fine in my phone,
but simply refuses to connect when used in the dongle. I don't understand why,
as far as I know, the device should just appear to be a phone. I've not had
any problems using it with any other provider.

The other thing to keep in mind is that the store staff are utterly clueless,
when it comes to selling you the prepaid sims. They seem to think that there
is a difference between using data on a phone and using data on a USB dongle,
and often will try to sell you a more expensive data-only product, and in
many cases, a combined phone/data prepaid sim will do exactly what you want,
but more cheaply.

Watch out for companies that advertise mobile internet, but mean WAP. 

Also remember that with some of these prepaid sims, in addition to adding
credit to your account, you then need to buy a block of data in advance from
that credit, otherwise the rates are more expensive (be careful, you could eat
through a chunk of money in a matter of minutes). And then there's a further
hurdle, often you'll have to do this on webpages that are in a foreign
language. I'm fortunate in that I can mostly read German and Dutch, and can get
by reading Swedish/Norwegian/Danish, but I don't really know what I'll do when
I get to Eastern Europe, for example.

Cheers,

Paul

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Re: [SLUG] mplayer plugin

2006-10-04 Thread Paul Dwerryhouse

On Wed, Oct 04, 2006 at 04:14:51PM +1000, Penedo wrote:
Thanks. That's probably the one.
No support for Debian yet, though :(.

Marillat's archive of multimedia Debian packages is probably what you
want:

deb http://www.debian-multimedia.org sid main

(replace sid with etch or sarge, where applicable)

Cheers,

Paul


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Re: [SLUG] Greylisting on Postfix

2006-06-29 Thread Paul Dwerryhouse
On Fri, Jun 30, 2006 at 11:53:15AM +1000, Howard Lowndes wrote:
 Would anyone like to share their views on any of these solutions, or on 
 greylisting itself.

I've been using postgrey (Debian/sarge package) for the last seven
months. It's been working very well.

Quite simple to get running, IIRC.

Greylisting can be a tad annoying when you're expecting to get an email
quickly, and you have to wait for the backoff time to pass, however...

Cheers,

Paul

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Re: Greylisting (was: Re: [SLUG] mail to [EMAIL PROTECTED] slow)

2006-06-14 Thread Paul Dwerryhouse

On Wed, Jun 14, 2006 at 11:36:53AM +1000, Billy Kwong wrote:
 That depends on the implementation of the MTA or greylisting. The point of
 greylisting is to slow down the spammers as to how quickly (which is what
 they rely on) they could spew out spam. 

You're thinking of teergrubing (where the SMTP server inserts delays
after each of its responses).

Greylisting relies on most spamming software being pretty dumb; some
only try to send a message once, and don't respect a mailbox temporarily
unavailable response from the SMTP server. A compliant SMTP client
would try to resend a message after a certain delay, when faced with
such a response.

Cheers,

Paul

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Re: [SLUG] Podcasts from the ABC

2006-03-27 Thread Paul Dwerryhouse
On Mon, Mar 27, 2006 at 07:36:33PM +1100, Russell Davie wrote:
 Unfortunately, if bashpodderis run again the next day, it will dl the
 same mp3 and store them in a different directory.  

I've written a (fairly dodgy) perl script podcast fetcher, that hopefully
doesn't have this problem:

http://leapster.org/software/podsnort/

It's currently working for my needs, but I do intend to improve it a
bit...

Cheers,

Paul.

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Re: [SLUG] blocking recurrent attempted access ?

2006-02-13 Thread Paul Dwerryhouse
On Tue, Feb 14, 2006 at 07:55:58AM +1100, Voytek Eymont wrote:
 as of few weeks ago, my log watch has swollen up well over 500k, full of
 dictionary ? attempted atacks like below:
 
 is there much I can do ? like to prevent multiple attempts from same IP ?

I have the following configured to drop connections after four ssh
connections from the same address in the space of 60 seconds, using
ipt_state:

iptables -A INPUT -p tcp -m tcp --dport 22 -m state --state NEW -m recent \
--set --name SSH --rsource 
iptables -A INPUT -p tcp -m tcp --dport 22 -m state --state NEW -m recent \
--update --seconds 60 --hitcount 4 --rttl --name SSH --rsource -j DROP 

Cheers,

Paul


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Re: [SLUG] Fedora vs RH Enterprise - consultants advising to change

2006-01-24 Thread Paul Dwerryhouse
On Wed, Jan 25, 2006 at 12:00:04PM +1100, Robert Collins wrote:
 Seriously, I wouldn't run Fedora in a production environment, not
 *because its bad* (its not), but because Redhat does not offer
 commercial support like they do for RHEL.

I'm not so concerned about the lack of commercial support (when given
the choice, I'd use Debian rather than Redhat Enterprise, anyway, and
have done so on a number of large systems).

My concern with running Fedora on production servers is that the update
packages aren't generally patch backports to the version of software
that was released in the core distribution, but are often completely new
releases. 

For example, since installing FC4 on a couple of machines that are
production servers (not my decision, I must stress), the kernel has been
upgraded from 2.6.12 to 2.6.14, rather than just backporting whatever
fixes that were included to 2.6.12 as would be done in RHEL or Debian.
As a result, this broke the HP utility needed for managing the RAID on
the machines (and I've had to change them back to 2.6.12).

At least with RHEL, you can be sure that such updates won't make large
changes to your system.

Cheers,

Paul

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Re: [SLUG] Python upgrade

2006-01-03 Thread Paul Dwerryhouse
On Wed, Jan 04, 2006 at 02:19:44PM +1100, Ben Donohue wrote:
 I installed version 2.3.5 from source and it seems to be in and working 
 but using rpm -e python-2.3.4 gives tons of failed dependencies errors
 Is there a way to replace the 2.3.4 version with 2.3.5?
 doing a python -V shows Python 2.3.4
 
 In short how do I completely remove version 2.3.4 and have only 2.3.5?

Don't - it will break your system and make it unmaintainable. You're
better off installing python 2.3.5 in a different directory (under
/usr/local, for example) and then adjusting your path so that the newer
version is used by default.

If you've installed python 2.3.5 over the top of your system's default
2.3.4 installation, then you'd be best to go and download the 2.3.4 rpm
again and reinstall it (rpm --force --nodeps -U python-2.3.4...).

Cheers,

Paul.

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Re: [SLUG] CD-ROM mounting problem

2005-10-11 Thread Paul Dwerryhouse
On Tue, Oct 11, 2005 at 10:18:48PM +1300, Adam Bogacki wrote:
  Tux:~# mount /dev/hdc /mnt/dvd
  mount: block device /dev/hdc is write-protected, mounting read-only
  mount: /dev/hdc: can't read superblock
 
   I use my DVD drive to play CD's and also have a cdrw.

I had a weird problem with my laptop's DVD/CDRW drive, a while back, where
it could not read data CDs, but it had no problem with audio CDs or
DVDs. It could also burn CDs - and then, strangely, had no problem at
all reading them immediately afterwards (but it couldn't read them later
on, whereas other CD drives could).

I wasn't getting any mount error messages like yours, however - the
drive simply couldn't see the media, and didn't think anything was
inserted.

The problem turned out to be a dirty lens. After I wiped it with a
tissue, it worked perfectly.

Cheers,

Paul

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Re: [SLUG] apt gpg key for planetmirror

2005-09-11 Thread Paul Dwerryhouse
On Mon, Sep 12, 2005 at 10:00:46AM +1000, O Plameras wrote:
 This is not my idea. This is the whole concept of TRUST in Mirroring 
 System. If mirrors changes files and/or keys who do you trust ? 

How do you know that you can trust the person running the mirror you use?

 Why do you think mirroring works and used ?

Mirrors are used because they bring the data closer to the people who
need it, and reduce the load on the upstream servers.

They are trusted only because people are too lazy to learn how to check
whether the packages are the same as those being distributed upstream.

They should not be blindly trusted.

Paul

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Re: [SLUG] apt gpg key for planetmirror

2005-09-11 Thread Paul Dwerryhouse
On Mon, Sep 12, 2005 at 10:36:36AM +1000, O Plameras wrote:
 You just TRUST or DO NOT a  mirror site. Clearly, if you don't then 
 don't use it at all.

Again I ask, how do you know that you can trust the person running the
mirror you use? How do you know that you can even trust the DNS entry
that you're getting for that mirror?

I used to be the sysadmin for an ISP that served around a million or so
users, the vast majority of whom used the caching DNS servers that we
provided. If I'd been a black-hat type, I'd have had ample opportunity to
hijack the domain names that people were getting for various mirrors.

If this happened in real life, then anyone who implicitly trusted these
mirrors (and, for that matter, their DNS), could easily have been
compromised.

 But it is BAD practice to selectively trust ( or not trust) a mirror. 

The only bad practice is to trust a mirror at all. If you don't use
some sort of signature checking of the files you're getting from it,
you run the risk of using a file that is not what you were intending to
get.

Selectivity doesn't even come into it.

Paul


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Re: [SLUG] Compiling Qemu for FC4 dual processor

2005-08-21 Thread Paul Dwerryhouse
On Mon, Aug 22, 2005 at 01:40:17PM +1000, Peter Rundle wrote:
 I'm trying to compile Qemu with the kqemu extensions but it's failing. I 
 decided to just try and compile qemu without the kqmeu extension but it 
 still fails with the same error. Kernel version is 2.6.11-1smp

qemu hasn't been ported to gcc4 yet. You'll have to install gcc 3.2
(in package compat-gcc-32) and then configure qemu with:

./configure --cc=gcc32

There is still another compilation error, which I haven't yet figured
out:

make[1]: Leaving directory `/tmp/qemu-0.7.1/ppc-user'
make: *** i386-softmmu: No such file or directory.  Stop.
make: *** [all] Error 1

Appears to be a bug in the qemu's build system, since I get this on
Debian as well as Fedora.

Cheers,

Paul

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Re: [SLUG] Compiling Qemu for FC4 dual processor

2005-08-21 Thread Paul Dwerryhouse
On Mon, Aug 22, 2005 at 02:44:47PM +1000, Peter Rundle wrote:
 Hmmm, well after your little tip about -cc=gcc32 it compiled for me so 
 errmmm... If you know the right question to ask I can look on my system 
 and perhaps help sort that out.

Ah. Just figured it out ... I didn't have the SDL development files
installed.

Cheers,

Paul

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Re: [SLUG] Changing DHCP servers

2005-07-20 Thread Paul Dwerryhouse
On Thu, Jul 21, 2005 at 08:40:59AM +1000, Simon wrote:
 I want to change from one DHCP server to another. The current one does
 not give me enough control and is integrated into an e-smith server
 (argg, that was a bad idea! - another story). I can easily set one
 up on one of my Linux servers, but how do I avoid IP conflicts as the
 new server won't know about existing leases, or will those lease be
 re-negotiated by the new server automatically? 

Both DHCP servers probably have some sort of file showing which leases
are currently active; dhcpd, for example, uses dhcpd.leases (under
/var/lib/dhcp3 in Debian, for example).

Here's an example entry from a server I had running:

lease 172.20.0.150 {
  starts 5 2005/07/15 00:22:06;
  ends 5 2005/07/15 00:22:06;
  tstp 5 2005/07/15 00:22:06;
  binding state active;
  next binding state free;
  hardware ethernet 52:54:00:12:34:56;
  client-hostname splatter;
}

You could write a script to parse the file from the old server and
convert it into whatever format the new server uses. Switch off the old
server, run the script, copy the new leases file across to the new
server and then start it up.

I don't know an awful lot about e-smith, but there's probably a good
chance it uses ISC dhcpd anyway.

Cheers,

Paul

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Re: [SLUG] Port 32768 query

2005-06-25 Thread Paul Dwerryhouse
On Sun, Jun 26, 2005 at 02:06:38AM +1000, SEKINE tatz Tatsuo wrote:
 How did you obtain this list?

netstat -l -p -t -u  should do it.

Cheers,

Paul

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Re: [SLUG] Port 32768 query

2005-06-25 Thread Paul Dwerryhouse
On Sun, Jun 26, 2005 at 01:25:47AM +1000, elliott-brennan wrote:
 I've noticed that I have the following entry in my firewall 
 (Firestarter): (it's the last one I'm curious about: 32768)
 
 Active Internet connections (servers and established)
 udp0  0 *:32768 *:* 
 2735/rpc.statd
 
 Can anyone enlighten me please (I'm afraid I'm not certain what it is)?

rpc.statd is used by NFS (for reboot notifications). It, along with
portmap, have been used for numerous exploits in the past. I haven't
seen any for a long time now, but their history leads me to trust them
about as much as I'd trust sendmail (ie, I don't).

If you're not using NFS, then I recommend turning both of them off
(rpc.lockd too, if it's running).

If you are using it, then I suggest setting your firewall to block
access to them from outside your network.

Cheers,

Paul.

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Re: [SLUG] ssh scan and iptables

2005-04-19 Thread Paul Dwerryhouse
On Tue, Apr 19, 2005 at 11:20:01AM +0200, Gottfried Szing wrote:
 what i want to achieve is to detect failed logins via SSH (e.g. with a
 limit of 3 attempts within one minute) and to drop/deny packages from the
 source IP via iptables for about one hour.

You can do this with the iptables 'ipt_recent' module.

Have a look at the docs here:

http://snowman.net/projects/ipt_recent/

Cheers,

Paul.


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Re: [SLUG] auto reponder advice sought

2005-04-10 Thread Paul Dwerryhouse
On Mon, Apr 11, 2005 at 03:04:02PM +1000, Voytek Eymont wrote:
 I have Postfix/CourierIMAP/Squirrel, one of user would like an
 auto-reponder, what the simplest/easiest way to set it, preferably, with
 self-admin if possible

Do your users have real unix accounts (ie, with unique uids, etc)? If
so, just use the vacation program (and a .forward entry in their
home directories to call it). Maybe whip up a CGI script to allow
them to enable, disable and change the message on it for themselves.

If, on the other hand, you've got virtual users, it's going to be a
little more difficult. There's a program called gnarwl, which is an LDAP
enabled auto-responder, but postfix requires a bit of messing around
to get it going.

Evidentally there's a Horde based project called 'sork' which, amongst
other things, allows users to manage their own vacation messages.  I
haven't tried it, so I can't say whether it's any good or not. 

Cheers,

Paul.

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Re: [SLUG] [ot] Rant on tech salesman who has not heard of Linux

2005-04-08 Thread Paul Dwerryhouse
On Sat, Apr 09, 2005 at 08:35:15AM +1000, Richard Hayes wrote:
 Yesterday I went into a Harvey Norman Technology store in Martin 
 Place. 

[snip]

 The prices were twice that of other stores as normal 

Heh. Yeah, I noticed their high prices too, when I went looking for a
wireless router. I'd found one PC store advertising the model I wanted
for $140.  As I made my way there, I popped into a Harvey Norman store
and found them selling the same model for $190.

Just at that moment I was accosted by one of their sales droids (sigh,
never around when you want them, hassling you when you don't), so I
asked him if they match prices of other stores, and told him the price
I'd seen elsewhere.

He didn't bat an eyelid: Of course, and that's what I paid for it,
after I showed him the ad.

So their markup on these things is more than $50!  They must be making
an absolute killing on people who don't try to bargain with them...

Cheers,

Paul

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Re: [SLUG] excrypting fs

2005-04-07 Thread Paul Dwerryhouse
On Thu, Apr 07, 2005 at 03:28:22PM +1000, Kevin Saenz wrote:
 I would like to encrypt /home and my shared directories on my boxes.

There is CFS - Cryptographic Filesystem - which uses a local NFS server
running on the loopback network interface to provide encryption.

I wouldn't use it as /home, though - I found it had some NFS locking problems
with certain applications, and that would make it fairly painful to use
as a desktop. Instead, I'd set it up in a separate area and move
anything sensitive in there.

Under Debian, at least, it's packaged and a very simple install. Not
sure about other distros.

Doesn't require any reformatting.

Cheers,

Paul

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Re: [SLUG] Optus Cable

2005-04-06 Thread Paul Dwerryhouse
On Wed, Apr 06, 2005 at 07:08:43PM +1000, Grant Parnell wrote:
 I've got a customer that's got 2 optus cable links at different sites, 
 neither of them are a problem. The trick is if you switch ethernet cards 
 or plug it into a different machine pull the plug on the cable modem to 
 reset it. 

Yup. And it _has_ to be the plug - the reset/stanby button won't do it.

Cheers,

Paul

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Paul Dwerryhouse| PGP Key ID: 0x6B91B584
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Re: [SLUG] Optus Cable

2005-04-06 Thread Paul Dwerryhouse
On Wed, Apr 06, 2005 at 08:00:15PM +1200, John Gibbons wrote:
 Anyway, when I rang and queried the whole deal 18 months later (slow of 
 me, I know) I was told the handset could go but I still had to have the 
 line because it serviced the modem and would have to continue to pay $10 
 per month for that. 

Que? Geez, their helldesk people really haven't been touched by the
cluestick.

As far as I was aware, the $10 was a discount that you got for having
both services.

Back when they started charging for it, the line by itself was $20 per
month.  Having just cable internet was ~$60 (I can't remember what I was
actually paying back then). If you had them together, then it was only
$70 all up.

 I apologise for this  long reply but I warn anyone considering Optus 
 Broadband to check that they are actually getting the service at the 
 advertised price with no non-essential add-ons that are a disguised
 cost.

Ah well, I've never had a problem with them, other than that nasty thing
they did by capping their unlimited plans. Still with them after three
and a half years...

Cheers,

Paul

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