AMER | 27 May 16:05 2015
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IP forwarding perf

Hello everybody

I have an Ubuntu installed in a Virtualbox and I want to measure the internal IP forwarding speed, what I mean the speed of sending "switching" the packet from the one network interface to another. How can I do it please?

Best regards,

Eng Amer Alghadhban
COE
SANS-GCFW
CEH, SCNP, CCNA
<div><div dir="ltr">Hello everybody<br><br>I have an Ubuntu installed in a Virtualbox and I want to measure the internal IP forwarding speed, what I mean the speed of sending "switching" the packet from the one network interface to another. How can I do it please?<br><br>Best regards,<br><br>Eng Amer Alghadhban<br>COE<br>SANS-GCFW<br>CEH, SCNP, CCNA<br>
</div></div>
Petter Adsen | 27 May 11:11 2015
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Missing gstreamer packages

I'm trying to install some stuff on Xubuntu 15.04, among them some
gstreamer plugins, and get this:

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package gstreamer1.0-lame is not available, but is referred to by
another package. This may mean that the package is missing, has been
obsoleted, or is only available from another source

Package gstreamer1.0-plugins-really-bad is not available, but is
referred to by another package. This may mean that the package is
missing, has been obsoleted, or is only available from another source

E: Package 'gstreamer1.0-lame' has no installation candidate
E: Package 'gstreamer1.0-plugins-really-bad' has no installation
candidate

Does anyone know what's happened to them - are they now obsolete, or
have they been renamed or something?

Petter

-- 
"I'm ionized"
"Are you sure?"
"I'm positive."
I'm trying to install some stuff on Xubuntu 15.04, among them some
gstreamer plugins, and get this:

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package gstreamer1.0-lame is not available, but is referred to by
another package. This may mean that the package is missing, has been
obsoleted, or is only available from another source

Package gstreamer1.0-plugins-really-bad is not available, but is
referred to by another package. This may mean that the package is
missing, has been obsoleted, or is only available from another source

E: Package 'gstreamer1.0-lame' has no installation candidate
E: Package 'gstreamer1.0-plugins-really-bad' has no installation
candidate

Does anyone know what's happened to them - are they now obsolete, or
have they been renamed or something?

Petter

--

-- 
"I'm ionized"
"Are you sure?"
"I'm positive."
Oliver Grawert | 27 May 10:53 2015

Re: Ubuntu 15.04 problems

hi,
Am Dienstag, den 26.05.2015, 20:14 -0700 schrieb Bob:

> I have looked at the plots but have a problem understanding what it shows.  If
> anyone could look at the output it is on drop box.
> 
> The plot for the partition that boots normally is at
> https://www.dropbox.com/s/ahg1xauez4bk4ln/plog1.svg?dl=0
> 
> The plot for the partition that boots slowly is at
> https://www.dropbox.com/s/bbcizpzom9yy3xb/plot2.svg?dl=0
> 
this looks like some kind of network timeout. the system stops doing
anything for quite a while after starting all the network interfaces ...
hard to tell why, but it is definitely related to bringing up network
interfaces ...

ciao
	oli

Colin Law | 27 May 09:59 2015
Picon

Re: Ubuntu 15.04 problems

On 27 May 2015 at 04:14, Bob <ubuntu-qygzanxc <at> listemail.net> wrote:
> ...
> I have run "systemd-analyze plot > plot.svg" on two partitions which are on my
> laptop.  The image viewer can display the plot on the partition that seems to
> boot normally but it cannot display the plot on the partition that is slow
> booting.  The image viewer has a popup that requests to report the problem.
> The good news is that Firefox can display both plots.
>
> I have looked at the plots but have a problem understanding what it shows.  If
> anyone could look at the output it is on drop box.
>
> The plot for the partition that boots normally is at
> https://www.dropbox.com/s/ahg1xauez4bk4ln/plog1.svg?dl=0
>
> The plot for the partition that boots slowly is at
> https://www.dropbox.com/s/bbcizpzom9yy3xb/plot2.svg?dl=0

I am not an expert in those plots but it seems possible that the slow
one is hanging when it tries to setup wifi.  Does one boot have wifi
enabled and not the other?  If it is enabled in both is it setup
differently in the two systems?

Colin

Don Parsons | 26 May 11:10 2015
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Picon

HP Laserjet Pro 400 color M451nw has turned noisy in Ubuntu 12.04

Hello,
This printer on a Dell Inspiron computer now has a lot of graphiic noise 
in the top half of the test page or any other printout, The noise is 
mainly massed short bars in the upper part of the page with only a small 
amount on the text in the lower half.
On a second Inspiron S computer with Windows 7 the same printer behaves 
completely normally.
I have tried to reload the accompanying CD but I am not sure how to 
replace the installation.
Help will be appreciated.
Thanks
Don Parsons

robert rottermann | 26 May 08:15 2015
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fighting with router tables

Hi there

I have an ubuntu box.

Attached to it are two raspberries.
Each of the raspberries can be reached trough two interfaces:eth0, tun0.
Eventually the raspberries will be placed in the ""wild" and only tun0 will be 
accessible.

No my problem:
Access to one of the two raspberry is fast,to the other one it is very slow.

When I look at the routing table the following is presented:

FAST raspberry:
---------------
spsconnect <at> spsconnecttest ~/spsControl $ route -n
Kernel-IP-Routentabelle
Ziel            Router          Genmask         Flags Metric Ref    Use Iface
0.0.0.0         0.0.0.0         0.0.0.0         U 0      0        0 ppp0
10.42.0.0       10.146.176.200  255.255.255.0   UG 0      0        0 tun0
10.64.64.64     0.0.0.0         255.255.255.255 UH 0      0        0 ppp0
10.146.176.0    10.146.176.200  255.255.255.0   UG 0      0        0 tun0
10.146.176.200  0.0.0.0         255.255.255.255 UH 0      0        0 tun0
10.168.0.0      0.0.0.0         255.255.255.0   U 0      0        0 eth0

SLOW raspberry:
---------------
spsconnect <at> spsconnect2 ~/spsControl $ route -n
Kernel-IP-Routentabelle
Ziel            Router          Genmask         Flags Metric Ref    Use Iface
0.0.0.0         10.168.0.1      0.0.0.0         UG    0 0        0 eth0
10.42.0.0       10.146.176.202  255.255.255.0   UG    0 0        0 tun0
10.64.64.64     0.0.0.0         255.255.255.255 UH    0 0        0 ppp0
10.146.176.0    10.146.176.202  255.255.255.0   UG    0 0        0 tun0
10.146.176.202  0.0.0.0         255.255.255.255 UH    0 0        0 tun0
10.168.0.0      0.0.0.0         255.255.255.0   U     0 0        0 eth0

The only difference (next to the ips 10.146.176.200 and 10.146.176.202)
is the default route:
0.0.0.0         10.168.0.1      0.0.0.0         UG 0      0        0 eth0

10.168.0.1 is the ip of the modem trough which I access the internet.

Now my questions:
"what" processes are setting these routes? I "did nothing" .. (or maybe I did 
but can not remeber)
Would not the "slow" configuration with the modem as default gateway be correct?

And:
I really need to come to speed with routing et al.
Can anybody point me to a tutorial that would help (covering "middle" ground, 
not too basic and not to exotic..)

thanks
robert

Oliver Grawert | 25 May 11:24 2015

Re: Ubuntu 15.04 problems

hi,
Am Sonntag, den 24.05.2015, 20:54 -0700 schrieb Bob:
> ** Reply to message from Colin Law <clanlaw <at> gmail.com> on Fri, 22 May 2015
> 08:55:32 +0100
> 
...
> > You can use bootchart to investigate boot timing issues. See
> > https://wiki.ubuntu.com/BootCharting
> 
> I have installed bootchart and pybootcharegui.  There is no output after a
> boot.  Is there something else I need to do to get bootchart to work?
> 

15.04 uses systemd. 
I don't think the old bootchart tool works with it but systemd brings
its own tool that might help. 
try the command:

systemd-analyze plot > plot.svg

that should give you some kind of bootchart as plot.svg ..

there seems to also be a more powerful bootchart tool builtin as
described in comment #6 at [1]

... someone should update that wiki page :)

ciao
	oli

[1] https://bugs.launchpad.net/ubuntu/+source/bootchart/+bug/1353587

Keith | 25 May 10:55 2015
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Picon

Radeon X300 Graphic Card & Ubuntu 15.04


Whenever I boot up Ubuntu 15.04 after everything is done loading I
have a blank screen for over a minute then the desktop will appear.
Does anyone know how to get the X300 graphic card working at boot time?
Matt . | 24 May 23:32 2015
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SSSD 1.12.x Build for Ubuntu 14.04

Hi All,

I have understood that the 1.12.x version will be uploaded very soon
for Ubuntu, but I would like to compile the package at the moment for
some testing.

I ahve issues with building as it cannot find my sources.

I have Git cloned:

http://anonscm.debian.org/cgit/pkg-sssd/sssd.git/tree/?h=master-next

Did a:

dpkg -b . in the sssd folder and after it:

apt-get deb-build sssd

This gives me:

 apt-get build-dep sssd
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to find a source package for sssd

Does anyone have some proper instructions to build the 1.12.x package ?

Thanks!

Matt

jimkvg | 23 May 05:42 2015

Ubuntu 15.04 problems (jimkvg <at> 3web.com)


> Message: 4
> Date: Thu, 21 May 2015 11:18:05 -0400
> From: John Hupp <ubuntu <at> prpcompany.com>
> To: "Ubuntu user technical support, not for general discussions"
>         <ubuntu-users <at> lists.ubuntu.com>
> Subject: Re: Ubuntu 15.04 problems
> Message-ID: <555DF72D.8070009 <at> prpcompany.com>
> Content-Type: text/plain; charset=windows-1252; format=flowed
>
> On 5/21/2015 10:35 AM, jimkvg <at> 3web.com wrote:
>>  I have some issues in my Ubuntu 15.04.  It seems to be worse than the
>> previous version.  Start-up takes much longer time now than before ...
>> looks like three to five minutes.  When I put it in 'Suspend' mode, my
>> PC woke up by itself even thou I didn't touch either mouse or
>> keyboard.  This is not like in the previous version.   I installed
>> DropBox straight from Ubuntu Software Centre.  When I clicked on the
>> tiny 'DropBox' icon on the top far right side, all icons on the screen
>> disappeared.  The Dropbox box opened up okay.  I opened up one of
>> pictures and it was okay.  But when I clicked on 'close', 'reduce' or
>> 'full screen' icon at the upper corner left side, my PC froze up.
>> When I held down 'Ctrl' and 'alt' keys and hit 'delete' key, the PC
>> resumed working ok, but icons were still absent from the screen. So I
>> had to shut it down to re-start it again.  Is these problems because
>> of the incompatibility of my PC to Ubuntu?  English is my 2nd language
>> and I am not good at understanding English and I am still confused at
>> how to reply to comments that come up in forums.  It seems that I am
>> being ignored in my previous comments that I put in the forums or did
>> I misplaced them?
>
> How much memory does that machine have?

4 gb



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<div>
<br>
&gt; Message: 4<br>
&gt; Date: Thu, 21 May 2015 11:18:05 -0400<br>
&gt; From: John Hupp &lt;ubuntu <at> prpcompany.com&gt;<br>
&gt; To: "Ubuntu user technical support, not for general discussions"<br>
&gt; &nbsp; &nbsp; &nbsp; &nbsp; &lt;ubuntu-users <at> lists.ubuntu.com&gt;<br>
&gt; Subject: Re: Ubuntu 15.04 problems<br>
&gt; Message-ID: &lt;555DF72D.8070009 <at> prpcompany.com&gt;<br>
&gt; Content-Type: text/plain; charset=windows-1252; format=flowed<br>
&gt;<br>
&gt; On 5/21/2015 10:35 AM, jimkvg <at> 3web.com wrote:<br>
&gt;&gt;&nbsp; I have some issues in my Ubuntu 15.04.&nbsp; It seems to be worse than the<br>
&gt;&gt; previous version.&nbsp; Start-up takes much longer time now than before ...<br>
&gt;&gt; looks like three to five minutes.&nbsp; When I put it in 'Suspend' mode, my<br>
&gt;&gt; PC woke up by itself even thou I didn't touch either mouse or<br>
&gt;&gt; keyboard.&nbsp; This is not like in the previous version.&nbsp; &nbsp;I installed<br>
&gt;&gt; DropBox straight from Ubuntu Software Centre.&nbsp; When I clicked on the<br>
&gt;&gt; tiny 'DropBox' icon on the top far right side, all icons on the screen<br>
&gt;&gt; disappeared.&nbsp; The Dropbox box opened up okay.&nbsp; I opened up one of<br>
&gt;&gt; pictures and it was okay.&nbsp; But when I clicked on 'close', 'reduce' or<br>
&gt;&gt; 'full screen' icon at the upper corner left side, my PC froze up.<br>
&gt;&gt; When I held down 'Ctrl' and 'alt' keys and hit 'delete' key, the PC<br>
&gt;&gt; resumed working ok, but icons were still absent from the screen. So I<br>
&gt;&gt; had to shut it down to re-start it again.&nbsp; Is these problems because<br>
&gt;&gt; of the incompatibility of my PC to Ubuntu?&nbsp; English is my 2nd language<br>
&gt;&gt; and I am not good at understanding English and I am still confused at<br>
&gt;&gt; how to reply to comments that come up in forums.&nbsp; It seems that I am<br>
&gt;&gt; being ignored in my previous comments that I put in the forums or did<br>
&gt;&gt; I misplaced them?<br>
&gt;<br>
&gt; How much memory does that machine have?<br><br>4 gb<br><br><br><br>
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Petter Adsen | 22 May 10:35 2015
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Ban IP's from saslauthd/postfix?

My mailserver is currently being targeted by what seems like a botnet,
probably looking to send spam. Is there something like fail2ban I can
use that will lock an IP out after a few failed attempts to
authenticate?

Even one failed attempt is enough to block, as I have fairly strict
control over who has legitimate access to it.

Petter

-- 
"I'm ionized"
"Are you sure?"
"I'm positive."
My mailserver is currently being targeted by what seems like a botnet,
probably looking to send spam. Is there something like fail2ban I can
use that will lock an IP out after a few failed attempts to
authenticate?

Even one failed attempt is enough to block, as I have fairly strict
control over who has legitimate access to it.

Petter

--

-- 
"I'm ionized"
"Are you sure?"
"I'm positive."

Gmane