Bristol and Bath Linux: Agustus 2015

Senin, 31 Agustus 2015

Bristol Digest, Vol 616, Issue 1

Minggu, 30 Agustus 2015

Bristol Digest, Vol 615, Issue 5

Send Bristol mailing list submissions to
bristol@mailman.lug.org.uk

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You can reach the person managing the list at
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When replying, please edit your Subject line so it is more specific
than "Re: Contents of Bristol digest..."

Today's Topics:

1. Re: dd dev to dev multipartition and more... (Amias Channer)
2. Re: Nova T 500 no detection (Peter Hemmings)
3. Linux PC motherboard (Peter Hemmings)
4. Re: Linux PC motherboard (Alex Butcher (LUG))
5. Re: Linux PC motherboard (Rich Oliver)

----------------------------------------------------------------------

Message: 1
Date: Sun, 30 Aug 2015 14:32:04 +0100
From: Amias Channer <me@amias.net>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>
Subject: Re: [bristol] dd dev to dev multipartition and more...
Message-ID:
<CAMgU7XW5_Fz4wZOdZXEW-F0FbW7_H4Hn3NLOxueODri=jsikMQ@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Hello luggers,

I got the impression that he wanted the boot sectors from the partitions.

Cheers
Amias
On 28 Aug 2015 17:31, "phil" <philssmith@btinternet.com> wrote:

> Hi
>
> You can't just dd from the larger partition to a smaller one because
> you cannot guarantee that all the data is contiguous from the start of the
> partition. The copy may work, it may not. Read the first answer to this
> question: it explains this better than I could.
> http://askubuntu.com/questions/409204/how-to-clone-to-a-smaller-harddisk
>
> Using dd to copy the entire disk will suffer from the same issue.
>
> (The following procedure includes the risk of trashing the original data
> so backup first if possible):
>
> 1) Use resize2fs to reduce size of source filesystem down to size of the
> destination partition (or a bit lower if possible to provide some headroom).
> 2) Use fdisk to reduce the size of the source partition to the size of the
> destination partition
> 3) Run dd to copy the partition to the destination partition both of which
> are now the same size
>
> After all the above it may seem safer, easier and quicker to create a new
> partition on the new sd card, format it and copy the files across using
> rsync or similar. And you will be right - this method is all these things.
> Why are you restricted to using dd?
>
> PS. It is usually better to provide a link rather than state: "and someone
> on internet suggests" This helps check the veracity of the statement and
> also to correct it if the information is incorrect. (which seems to be the
> case here because dd cannot tell what is and what is not garbage data).
>
>
> Cheers
> Phil Smith
>
>
> On 28/08/15 15:48, Alex Butcher wrote:
>
>> And make sure neither has any mounted filesystems when you do it.
>>
>> Best Regards,
>> Alex
>>
>> On Fri, 28 Aug 2015, Amias Channer wrote:
>>
>>
>>> Hello RT,
>>>
>>> Your second DD command is indeed overwriting the first partition with the
>>> second one. You might do better to run on DD command that does the whole
>>> disk not the just a partition.
>>>
>>> E.g. dd if=/dev/sdx of=/dev/sdy
>>>
>>> Cheers
>>> Amias
>>>
>>> On 27 Aug 2015 16:42, "RT" <rwatollenaar@gmail.com> wrote:
>>> Hi All and Anyone,
>>>
>>> been a while since I called upon some help here.....
>>>
>>> I have two sd cards one big one with Raspbian and another
>>> smaller one that is clean.
>>>
>>> I want to get the image of the first onto the latter and someone
>>> on internet suggests pluggin both in to a linux machine and
>>> dd-ing across
>>>
>>> dd if=/dev/sdxx of=/dev/sdyy
>>>
>>> The actual useful part of the image is much smaller than the
>>> size of the clean sd card and the claim is that losing the
>>> garbage should not hurt.
>>>
>>> dd would execute the above through some errors but it should
>>> work.
>>>
>>> 1-dd executes but gives no error
>>>
>>> 2-I have two partitions on the source sd card which I copied
>>> across
>>>
>>> dd if=/dev/sdx1 of=/dev/sdy1
>>> dd if=/dev/sdx2 of=/dev/sdy1
>>>
>>> which may be me overwriting the work of the first dd with the
>>> efforts of the second dd.
>>>
>>> In any event the result of all this cookery does not boot my
>>> raspberry Pi.
>>>
>>> Can anyone advise how best to get the larger image onto a
>>> smaller card, preferably without the use of things like GParted
>>> or other tools not available on a very basic linux distribution.
>>>
>>> Thanks.
>>>
>>> Roland.
>>>
>>>
>>> _______________________________________________
>>> Bristol mailing list
>>> Bristol@mailman.lug.org.uk
>>> https://mailman.lug.org.uk/mailman/listinfo/bristol
>>>
>>>
>>>
>>>
>> _______________________________________________
>> Bristol mailing list
>> Bristol@mailman.lug.org.uk
>> https://mailman.lug.org.uk/mailman/listinfo/bristol
>>
>
>
> _______________________________________________
> Bristol mailing list
> Bristol@mailman.lug.org.uk
> https://mailman.lug.org.uk/mailman/listinfo/bristol
>
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Message: 2
Date: Sun, 30 Aug 2015 17:06:52 +0100
From: Peter Hemmings <peter@hemmings.eclipse.co.uk>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>
Subject: Re: [bristol] Nova T 500 no detection
Message-ID: <55E32A1C.8030307@hemmings.eclipse.co.uk>
Content-Type: text/plain; charset=windows-1252; format=flowed

Sorted!

Plugged card into another slot and it worked, then put it back into
original slot and it still works!!

On 28/08/15 23:53, Peter Hemmings wrote:
> Hi,
>
> I just tried to use Kaffeine and dont seem to have a card!
>
> dmesg | grep -i dvb shows nothing.
>
> As it always worked OK.
>
> Could someone confirm the order, does the board get detected then
> modules load!?
>
> I did try older kernels for fedora 22 but still the same lack of detection.
>
> Any other ideas as to what has happened and why?
>
>
> Will give the H/W some wiggling tomorrow but dont think that is the
> problem.
>
> Regards
>

Regards
--
Peter H

------------------------------

Message: 3
Date: Sun, 30 Aug 2015 17:16:08 +0100
From: Peter Hemmings <peter@hemmings.eclipse.co.uk>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>
Subject: [bristol] Linux PC motherboard
Message-ID: <55E32C48.8090002@hemmings.eclipse.co.uk>
Content-Type: text/plain; charset=utf-8; format=flowed

I think I will be upgrading soon and thinking of buying a new M/B. I
want a budget ATX board Asus/Gigabyte/MSI with HDMI that works with
Linux without any special drivers!
I was looking at Z97 chipsets and an i3 cpu but they seem mainly for
high spec "gamers" which I am not!

Any recommendations advice?

--
Peter H

------------------------------

Message: 4
Date: Sun, 30 Aug 2015 21:53:31 +0100
From: "Alex Butcher (LUG)" <lug@assursys.co.uk>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>,
Peter Hemmings <peter@hemmings.eclipse.co.uk>
Subject: Re: [bristol] Linux PC motherboard
Message-ID: <F676E47B-8035-47DB-B4B8-849168379BCF@assursys.co.uk>
Content-Type: text/plain; charset=UTF-8

On 30 August 2015 17:16:08 BST, Peter Hemmings <peter@hemmings.eclipse.co.uk> wrote:
>I think I will be upgrading soon and thinking of buying a new M/B. I
>want a budget ATX board Asus/Gigabyte/MSI with HDMI that works with
>Linux without any special drivers!
>I was looking at Z97 chipsets and an i3 cpu but they seem mainly for
>high spec "gamers" which I am not!

The Z97 is targeted more at overclocking/gaming, but the I3 isn't. The closest equivalent is the H97: http://skinflint.co.uk/?cat=mbp4_1150&xf=317_H97#xf_top

The savings may not be significant though.

>
>Any recommendations advice?

Best Regards,
Alex

--
Sent from my Android phone with K-9 Mail. Please excuse my brevity.

------------------------------

Message: 5
Date: Sun, 30 Aug 2015 23:21:56 +0000 (UTC)
From: Rich Oliver <richaoliver@yahoo.com>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>
Subject: Re: [bristol] Linux PC motherboard
Message-ID:
<1326684768.3143311.1440976916560.JavaMail.yahoo@mail.yahoo.com>
Content-Type: text/plain; charset="utf-8"

Hi there Peter,
I don't know if this interests you, but I could be tempted to sell my 2 year old Gigabyte GA-Z87-HD3 with Haswell i5 4670 and 16 Gig of DDR3 1600 Ram. So I can upgrade to a Skylake 6600.? The board's ATX and got HDMI. Anyway if you were interested you could swap it over and check it was all working under your Linux distro of choice before buying.
I've also got a 120 Gig Kingston SSD that I'd be interested in selling if you or anybody else is interested,,so I could upgrade that as well. I fancy a 250 Gig 850 Evo. It all works fine on multiple Linux distros, although I've got discrete Graphics card the internal HD 4600 Graphics worked fine when I tried them.
yours Rich

On Sunday, 30 August 2015, 17:16, Peter Hemmings <peter@hemmings.eclipse.co.uk> wrote:

I think I will be upgrading soon and thinking of buying a new M/B.? I
want a budget ATX board Asus/Gigabyte/MSI with HDMI that works with
Linux without any special drivers!
I was looking at Z97 chipsets and an i3 cpu but they seem mainly for
high spec "gamers" which I am not!

Any recommendations advice?

--
Peter H

_______________________________________________
Bristol mailing list
Bristol@mailman.lug.org.uk
https://mailman.lug.org.uk/mailman/listinfo/bristol

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Subject: Digest Footer

_______________________________________________
Bristol mailing list
Bristol@mailman.lug.org.uk
https://mailman.lug.org.uk/mailman/listinfo/bristol

------------------------------

End of Bristol Digest, Vol 615, Issue 5
***************************************

Sabtu, 29 Agustus 2015

Bristol Digest, Vol 615, Issue 4

Jumat, 28 Agustus 2015

Bristol Digest, Vol 615, Issue 3

Selasa, 25 Agustus 2015

Bristol Digest, Vol 615, Issue 2

Senin, 24 Agustus 2015

Bristol Digest, Vol 615, Issue 1

Sabtu, 22 Agustus 2015

Bristol Digest, Vol 614, Issue 7

Bristol Digest, Vol 614, Issue 6

Send Bristol mailing list submissions to
bristol@mailman.lug.org.uk

To subscribe or unsubscribe via the World Wide Web, visit
https://mailman.lug.org.uk/mailman/listinfo/bristol
or, via email, send a message with subject or body 'help' to
bristol-request@mailman.lug.org.uk

You can reach the person managing the list at
bristol-owner@mailman.lug.org.uk

When replying, please edit your Subject line so it is more specific
than "Re: Contents of Bristol digest..."

Today's Topics:

1. Booting issue (jpff)
2. Re: Booting issue (Nigel Sollars)
3. Re: Booting issue (Shane McEwan)
4. Putting Music onto Moto G Via MTP (Peter Hemmings)
5. Re: Putting Music onto Moto G Via MTP (Neil Fraser)
6. Re: Putting Music onto Moto G Via MTP (Tim Wintle)

----------------------------------------------------------------------

Message: 1
Date: Fri, 21 Aug 2015 14:56:39 +0100
From: jpff <jpff@codemist.co.uk>
To: bristol@mailman.lug.org.uk
Subject: [bristol] Booting issue
Message-ID: <9131-Fri21Aug2015145639+0100-jpff@codemist.co.uk>

I am hoping one of you experts out there can help me.

I have a Toshiba Laptop x86_64 running OpenSuSE6.2. A short time ago
I noticed that when I boot it no longer goes into grub2 with a menu
but flashes up a message about a file or possibly a missing file (much
too fast to read) and then it boots into kernel 3.16.7-21-desktop

Looking at the /boot directory I see files for this kernel and a newer
3.16.7-24-desktop. Naturally nothing seems to be logged.

List of files below. -- hope it helps

It would be good to use updated kernels! I have no understanding of
grub2 but used to be able to fiddle grub. Possibly relevant is that
the filing system is btrfs which I know confuses hibernation
==John ffitch

-rw-r--r-- 1 root root 1484 Oct 22 2014 boot.readme
lrwxrwxrwx 1 root root 1 Oct 26 2014 boot -> .
-rw-r--r-- 1 root root 512 Oct 26 2014 backup_mbr
-rw-r--r-- 1 root root 424448 Nov 4 2014 message
-rw-r--r-- 1 root root 148309 Apr 14 14:55 config-3.16.7-21-desktop
-rw-r--r-- 1 root root 3003004 Apr 14 16:12 System.map-3.16.7-21-desktop
-rw-r--r-- 1 root root 516 Apr 14 16:38 sysctl.conf-3.16.7-21-desktop
-rw-r--r-- 1 root root 309437 Apr 14 16:38 symvers-3.16.7-21-desktop.gz
-rw-r--r-- 1 root root 885991 Apr 14 16:49 symtypes-3.16.7-21-desktop.gz
-rw-r--r-- 1 root root 6665656 Apr 14 16:50 vmlinux-3.16.7-21-desktop.gz
-rw-r--r-- 1 root root 5682344 Apr 14 18:13 vmlinuz-3.16.7-21-desktop
-rw-r--r-- 1 root root 148309 Aug 7 13:18 config-3.16.7-24-desktop
-rw-r--r-- 1 root root 3003177 Aug 7 15:11 System.map-3.16.7-24-desktop
-rw-r--r-- 1 root root 516 Aug 7 15:35 sysctl.conf-3.16.7-24-desktop
-rw-r--r-- 1 root root 309437 Aug 7 15:35 symvers-3.16.7-24-desktop.gz
-rw-r--r-- 1 root root 885991 Aug 7 15:44 symtypes-3.16.7-24-desktop.gz
-rw-r--r-- 1 root root 6668759 Aug 7 15:46 vmlinux-3.16.7-24-desktop.gz
-rw-r--r-- 1 root root 5685608 Aug 7 17:39 vmlinuz-3.16.7-24-desktop
lrwxrwxrwx 1 root root 25 Aug 17 11:55 vmlinuz -> vmlinuz-3.16.7-24-desktop
lrwxrwxrwx 1 root root 24 Aug 17 11:55 initrd -> initrd-3.16.7-24-desktop
-rw-r--r-- 1 root root 8948868 Aug 20 17:48 initrd-3.16.7-21-desktop
-rw-r--r-- 1 root root 8949008 Aug 20 17:48 initrd-3.16.7-24-desktop

grub:
......dracut:
total 0

grub2:
total 28
drwxr-xr-x 1 root root 0 Oct 25 2014 backgrounds
drwxr-xr-x 1 root root 0 Oct 26 2014 x86_64-efi
-rw------- 1 root root 15 Oct 26 2014 device.map.old
drwxr-xr-x 1 root root 22 Oct 26 2014 fonts
-rw-r--r-- 1 root root 1024 Oct 26 2014 old_grubenv
-rw------- 1 root root 15 Nov 4 2014 device.map
drwxr-xr-x 1 root root 16 Nov 4 2014 themes
drwxr-xr-x 1 root root 290 Aug 7 21:33 locale
drwxr-xr-x 1 root root 6010 Aug 7 21:33 i386-pc
-rw-r--r-- 1 root root 1024 Aug 9 00:52 grubenv
-rw------- 1 root root 9550 Aug 20 17:49 grub.cfg

------------------------------

Message: 2
Date: Fri, 21 Aug 2015 10:26:28 -0400
From: Nigel Sollars <nsollars@gmail.com>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>
Subject: Re: [bristol] Booting issue
Message-ID:
<CAG6aBkV79cVLoPZTjq4LUQe-SPn+qtanPsW-7oG0_4BLZyB4ZQ@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

as root can you run update-grub?..

I would think that anything missing / corrupt would get updated at that
time ... a reboot would then confirm

Nige

On Fri, Aug 21, 2015 at 9:56 AM, jpff <jpff@codemist.co.uk> wrote:

> I am hoping one of you experts out there can help me.
>
> I have a Toshiba Laptop x86_64 running OpenSuSE6.2. A short time ago
> I noticed that when I boot it no longer goes into grub2 with a menu
> but flashes up a message about a file or possibly a missing file (much
> too fast to read) and then it boots into kernel 3.16.7-21-desktop
>
> Looking at the /boot directory I see files for this kernel and a newer
> 3.16.7-24-desktop. Naturally nothing seems to be logged.
>
> List of files below. -- hope it helps
>
> It would be good to use updated kernels! I have no understanding of
> grub2 but used to be able to fiddle grub. Possibly relevant is that
> the filing system is btrfs which I know confuses hibernation
> ==John ffitch
>
> -rw-r--r-- 1 root root 1484 Oct 22 2014 boot.readme
> lrwxrwxrwx 1 root root 1 Oct 26 2014 boot -> .
> -rw-r--r-- 1 root root 512 Oct 26 2014 backup_mbr
> -rw-r--r-- 1 root root 424448 Nov 4 2014 message
> -rw-r--r-- 1 root root 148309 Apr 14 14:55 config-3.16.7-21-desktop
> -rw-r--r-- 1 root root 3003004 Apr 14 16:12 System.map-3.16.7-21-desktop
> -rw-r--r-- 1 root root 516 Apr 14 16:38 sysctl.conf-3.16.7-21-desktop
> -rw-r--r-- 1 root root 309437 Apr 14 16:38 symvers-3.16.7-21-desktop.gz
> -rw-r--r-- 1 root root 885991 Apr 14 16:49 symtypes-3.16.7-21-desktop.gz
> -rw-r--r-- 1 root root 6665656 Apr 14 16:50 vmlinux-3.16.7-21-desktop.gz
> -rw-r--r-- 1 root root 5682344 Apr 14 18:13 vmlinuz-3.16.7-21-desktop
> -rw-r--r-- 1 root root 148309 Aug 7 13:18 config-3.16.7-24-desktop
> -rw-r--r-- 1 root root 3003177 Aug 7 15:11 System.map-3.16.7-24-desktop
> -rw-r--r-- 1 root root 516 Aug 7 15:35 sysctl.conf-3.16.7-24-desktop
> -rw-r--r-- 1 root root 309437 Aug 7 15:35 symvers-3.16.7-24-desktop.gz
> -rw-r--r-- 1 root root 885991 Aug 7 15:44 symtypes-3.16.7-24-desktop.gz
> -rw-r--r-- 1 root root 6668759 Aug 7 15:46 vmlinux-3.16.7-24-desktop.gz
> -rw-r--r-- 1 root root 5685608 Aug 7 17:39 vmlinuz-3.16.7-24-desktop
> lrwxrwxrwx 1 root root 25 Aug 17 11:55 vmlinuz ->
> vmlinuz-3.16.7-24-desktop
> lrwxrwxrwx 1 root root 24 Aug 17 11:55 initrd ->
> initrd-3.16.7-24-desktop
> -rw-r--r-- 1 root root 8948868 Aug 20 17:48 initrd-3.16.7-21-desktop
> -rw-r--r-- 1 root root 8949008 Aug 20 17:48 initrd-3.16.7-24-desktop
>
> grub:
> ......dracut:
> total 0
>
> grub2:
> total 28
> drwxr-xr-x 1 root root 0 Oct 25 2014 backgrounds
> drwxr-xr-x 1 root root 0 Oct 26 2014 x86_64-efi
> -rw------- 1 root root 15 Oct 26 2014 device.map.old
> drwxr-xr-x 1 root root 22 Oct 26 2014 fonts
> -rw-r--r-- 1 root root 1024 Oct 26 2014 old_grubenv
> -rw------- 1 root root 15 Nov 4 2014 device.map
> drwxr-xr-x 1 root root 16 Nov 4 2014 themes
> drwxr-xr-x 1 root root 290 Aug 7 21:33 locale
> drwxr-xr-x 1 root root 6010 Aug 7 21:33 i386-pc
> -rw-r--r-- 1 root root 1024 Aug 9 00:52 grubenv
> -rw------- 1 root root 9550 Aug 20 17:49 grub.cfg
>
> _______________________________________________
> Bristol mailing list
> Bristol@mailman.lug.org.uk
> https://mailman.lug.org.uk/mailman/listinfo/bristol
>

--
?Science is a differential equation. Religion is a boundary condition.?

Alan Turing
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Message: 3
Date: Fri, 21 Aug 2015 16:17:27 +0100
From: Shane McEwan <shane@mcewan.id.au>
To: bristol@mailman.lug.org.uk
Subject: Re: [bristol] Booting issue
Message-ID: <55D74107.1050502@mcewan.id.au>
Content-Type: text/plain; charset=utf-8

On 21/08/15 14:56, jpff wrote:
> I am hoping one of you experts out there can help me.
>
> I have a Toshiba Laptop x86_64 running OpenSuSE6.2. A short time ago
> I noticed that when I boot it no longer goes into grub2 with a menu
> but flashes up a message about a file or possibly a missing file (much
> too fast to read) and then it boots into kernel 3.16.7-21-desktop

You can hold in the Shift key (I use the left one, I don't know if the
right one makes a difference) during boot and it should force Grub to
display the menu. It probably won't help you diagnose or fix your
problem but it might be useful.

Shane.

------------------------------

Message: 4
Date: Fri, 21 Aug 2015 18:21:27 +0100
From: Peter Hemmings <peter@hemmings.eclipse.co.uk>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>
Subject: [bristol] Putting Music onto Moto G Via MTP
Message-ID: <55D75E17.1070707@hemmings.eclipse.co.uk>
Content-Type: text/plain; charset=utf-8; format=flowed

Hi,

I am in need of putting some music on to a moto G Android phone in the
next 2 days.

I managed to get it working last night but not today, it does not mount
and "mtp-detect" shows:

mtp-detect
libmtp version: 1.1.9

Listing raw device(s)
No raw devices found.
[peter@study ~]$

Tried re-powering phone/re-plugging cable but still no joy.

It did detect it yesterday and asked if I wanted to open files but not
today.

Is MTP really flakey or should I be using something different to get my
mp3's on the phone?

PS the moto G does not have an SD card.

Regards
--
Peter H

------------------------------

Message: 5
Date: Fri, 21 Aug 2015 19:46:05 +0100
From: Neil Fraser <nfraser@nadtechnology.co.uk>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>
Subject: Re: [bristol] Putting Music onto Moto G Via MTP
Message-ID:
<CA+Pd-Um=jiyfCWfbcyAjpM+T1Hxr+fV51Yu3VeRTR4ez+=AxfQ@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

>
>
> PS the moto G does not have an SD card.
>

Some variants do - have you actually checked for an SD card socket?

However I can' tactually help with your original query, having never used
MTP in Linux

HTH

Neil
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Message: 6
Date: Sat, 22 Aug 2015 08:46:53 +0100
From: Tim Wintle <timwintle@gmail.com>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>
Subject: Re: [bristol] Putting Music onto Moto G Via MTP
Message-ID: <1440229613.4490.9.camel@tim-desktop>
Content-Type: text/plain; charset="UTF-8"

On Fri, 2015-08-21 at 18:21 +0100, Peter Hemmings wrote:
> Is MTP really flakey or should I be using something different to get my
> mp3's on the phone?

Afraid I can't help much - Android file transferring "just works" for me
on Ubuntu 12.04 and 14.04.

I do have my devices in developer mode and paired with my computers for
app development if that helps..

Chrome OS now supports MTP via some command line flags - so it's
possible that support is in the linux Chromium project, but that might
be a long shot.

Personally, I use Google Play music (not the all access subscription),
so that takes care of distributing mp3s between devices for me.

> PS the moto G does not have an SD card.

My wife's does - it's next to the sim card under the back cover.

Tim

------------------------------

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_______________________________________________
Bristol mailing list
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https://mailman.lug.org.uk/mailman/listinfo/bristol

------------------------------

End of Bristol Digest, Vol 614, Issue 6
***************************************

Jumat, 21 Agustus 2015

Bristol Digest, Vol 614, Issue 5

Send Bristol mailing list submissions to
bristol@mailman.lug.org.uk

To subscribe or unsubscribe via the World Wide Web, visit
https://mailman.lug.org.uk/mailman/listinfo/bristol
or, via email, send a message with subject or body 'help' to
bristol-request@mailman.lug.org.uk

You can reach the person managing the list at
bristol-owner@mailman.lug.org.uk

When replying, please edit your Subject line so it is more specific
than "Re: Contents of Bristol digest..."

Today's Topics:

1. What to do with my cracked...? (Sebastian)
2. Re: What to do with my cracked...? (Alberto Lietor Santos)
3. Re: What is using my ports! (Peter Hemmings)

----------------------------------------------------------------------

Message: 1
Date: Thu, 20 Aug 2015 14:48:20 +0100
From: Sebastian <sebsebseb_mageia@gmx.com>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>,
"sebsebseb_mageia@gmx.com" <sebsebseb_mageia@gmx.com>
Subject: [bristol] What to do with my cracked...?
Message-ID: <4497E28B-ADBC-430B-B3CC-4B54734BE26C@gmx.com>
Content-Type: text/plain; charset=us-ascii

Hi

So they got me on the way back from Brussels this year and I bought a IPad Air 1st generation, for about 200 pounds, new from Know How at the airport, and so about 150 pounds cheaper than the UK price as well. I decided to buy one since hadn't really done anything as such with iOS and wanted to really, and the price seemed good for a IPad Air, and even with the IPad Air 2 out.

So I have been using it quite a bit the last few months here and there, but it has unfortunately also fallen on a hard lamented floor a few times, resulting in cracks on the top right corner plastic, with a little hole in it even, but still worked. However just before doing this email it's just gone for it's worse fall whilst taking it from one room to another with a few things, and getting distracted by the dogs, and it fell on a hard tiled floor face down. Now there are cracks going around a lot of it, and part of the plastic seems like it could easily come off, and there are now quite a few cracks on the screen as well, but it still works, doing this email from it in fact.

It seems that can take it to a Apple store and have Apple replace it with the exact same model, for quite a bit more than I originally paid for this one, but still quite a bit cheaper than the standard UK price. Is that what I really want to do? Of course not. I was also chatting a few weeks ago to someone from an Apple re seller in Bristol on the phone, and they were saying how an IPad isn't really a fixable device or as such, but I know that isn't quite true. Also I think I would rather get this one fixed for cheap enough, then get it replaced with the exact same model, so any suggestions on how to do that would be appreciated. If I knew more about fixing hardware I guess I could attempt it myself, but that is not the case. Well it's a tablet that been only really using at home at times since getting, but I'll bring it along to the LUG this Saturday as well for some advice. If this kind of thing happens to my soon to finally have Jolla tablet I would be more annoyed. It's kind of funny also in a way that this happens to the IPad which apparently is meant to be so great, but well Apple is just a brand really. Also I bought the Loop tablet on a crowd funding campaign, and apparently that's meant to be more resistant to breaking like this, well I hope that's true :), and I don't have that just yet. Apparently with the Loop tablet a five year old could throw it around the room without it just braking.

Regards

Sebastian

P,S

Also got a cheap Android tablet that can't charge any more, but I think the pins just need moving about, to get that charging again.

------------------------------

Message: 2
Date: Thu, 20 Aug 2015 15:02:03 +0100
From: Alberto Lietor Santos <alietors@gmail.com>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>
Cc: "sebsebseb_mageia@gmx.com" <sebsebseb_mageia@gmx.com>
Subject: Re: [bristol] What to do with my cracked...?
Message-ID:
<CACXZLW6b3B2kymeY-oGCAsQYb8LguLd31Kv_FfprTFdiO1h3TQ@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Hi Sebastian,

My only recommendation here is try to buy a new pair of hands or put carpet
all over the house >.<

2015-08-20 14:48 GMT+01:00 Sebastian <sebsebseb_mageia@gmx.com>:

> Hi
>
> So they got me on the way back from Brussels this year and I bought a IPad
> Air 1st generation, for about 200 pounds, new from Know How at the airport,
> and so about 150 pounds cheaper than the UK price as well. I decided to buy
> one since hadn't really done anything as such with iOS and wanted to
> really, and the price seemed good for a IPad Air, and even with the IPad
> Air 2 out.
>
> So I have been using it quite a bit the last few months here and there,
> but it has unfortunately also fallen on a hard lamented floor a few times,
> resulting in cracks on the top right corner plastic, with a little hole in
> it even, but still worked. However just before doing this email it's just
> gone for it's worse fall whilst taking it from one room to another with a
> few things, and getting distracted by the dogs, and it fell on a hard tiled
> floor face down. Now there are cracks going around a lot of it, and part of
> the plastic seems like it could easily come off, and there are now quite a
> few cracks on the screen as well, but it still works, doing this email from
> it in fact.
>
> It seems that can take it to a Apple store and have Apple replace it with
> the exact same model, for quite a bit more than I originally paid for this
> one, but still quite a bit cheaper than the standard UK price. Is that what
> I really want to do? Of course not. I was also chatting a few weeks ago to
> someone from an Apple re seller in Bristol on the phone, and they were
> saying how an IPad isn't really a fixable device or as such, but I know
> that isn't quite true. Also I think I would rather get this one fixed for
> cheap enough, then get it replaced with the exact same model, so any
> suggestions on how to do that would be appreciated. If I knew more about
> fixing hardware I guess I could attempt it myself, but that is not the
> case. Well it's a tablet that been only really using at home at times since
> getting, but I'll bring it along to the LUG this Saturday as well for some
> advice. If this kind of thing happens to my soon to finally have Jolla
> tablet I would be more annoyed. It's kind of funny also in a way that this
> happens to the IPad which apparently is meant to be so great, but well
> Apple is just a brand really. Also I bought the Loop tablet on a crowd
> funding campaign, and apparently that's meant to be more resistant to
> breaking like this, well I hope that's true :), and I don't have that just
> yet. Apparently with the Loop tablet a five year old could throw it around
> the room without it just braking.
>
> Regards
>
> Sebastian
>
> P,S
>
> Also got a cheap Android tablet that can't charge any more, but I think
> the pins just need moving about, to get that charging again.
> _______________________________________________
> Bristol mailing list
> Bristol@mailman.lug.org.uk
> https://mailman.lug.org.uk/mailman/listinfo/bristol
>
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------------------------------

Message: 3
Date: Thu, 20 Aug 2015 23:07:32 +0100
From: Peter Hemmings <peter@hemmings.eclipse.co.uk>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>
Subject: Re: [bristol] What is using my ports!
Message-ID: <55D64FA4.7020003@hemmings.eclipse.co.uk>
Content-Type: text/plain; charset=windows-1252; format=flowed

Alex,

Thanks for that, it seems in the very distant past I remember "stacking
of plates" and OSI 7 layers!!

Hope it was useful to other "lurkers" as well as it was for me.

If you are at the KT I'll buy you a drink!

On 20/08/15 10:11, Alex Butcher wrote:
> On Wed, 19 Aug 2015, Tim-Philipp M?ller wrote:
>
>> On Wed, 2015-08-19 at 19:54 +0100, Peter Hemmings wrote:
>>
>> Hi Peter,
>>
>>> Strange thing is that I do not now have port 36595 in the list at all
>>> (root or user):
>>>
>>> [peter@study ~]$ sudo netstat -antp | grep 22
>>> tcp 0 0 192.168.122.1:53 0.0.0.0:*
>>> LISTEN 1378/dnsmasq
>>> tcp 0 0 0.0.0.0:22 0.0.0.0:*
>>> LISTEN 3302/sshd
>>> tcp6 0 0 :::22 :::*
>>> LISTEN 3302/sshd
>>> [peter@study ~]$
>>>
>>> I did copy over my old home directory with hidden files so is it
>>> possible that something leftover from "Speedtest" is opening a port?
>>>
>>> I always thought that copying over a home directory could not affect
>>> configuration of ports.
>>
>> The "port 36595" thing most likely has nothing to do with "Speedtest". A
>> TCP connection usually has an origin address + port and a destination
>> address + port
>
> Tim has it. The technical term for this source port (which is the normal
> term for what Tim's calling an 'origin [...] port') is an 'ephemeral port'
> (<https://en.wikipedia.org/wiki/Ephemeral_port>) which is necessary for all
> TCP, UDP and SCTP connections (not just TCP connections).
>
>> , and when an application says 'connect to xyz:22' the
>> origin port is usually chosen randomly by the network stack since it's
>> usually not important. So the number 36595 was most likely just a random
>> number, and next time you use ssh it will be a different number. You're
>> seeing it twice in your list because you've ssh-ed into your local
>> machine so it's in the list once for the client (ssh) and once for the
>> ssh server process.
>
> The ephemeral port number isn't always completely random (though it's not
> necessarily monotonically incremental either) -
> <https://www.cymru.com/jtk/misc/ephemeralports.html>. Also, different OSs
> have different default ephemeral port ranges. Linux's NAT functionality
> also has its own port range. Observant intermediaries can use this to
> determine the likely client OS.
>
> A former colleague's book on TCP/IP is available free online from
> <https://web.archive.org/web/20030619152346/http://www.theinternetbook.net/>
>
>
>> Cheers
>> -Tim
>
> Best Regards,
> Alex
>
>
> _______________________________________________
> Bristol mailing list
> Bristol@mailman.lug.org.uk
> https://mailman.lug.org.uk/mailman/listinfo/bristol
>

Regards

--
Peter H

------------------------------

Subject: Digest Footer

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------------------------------

End of Bristol Digest, Vol 614, Issue 5
***************************************

Kamis, 20 Agustus 2015

Bristol Digest, Vol 614, Issue 4

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Today's Topics:

1. What is using my ports! (Peter Hemmings)
2. Re: What is using my ports! (Jamie Lokier)
3. Re: What is using my ports! (Peter Hemmings)
4. Re: What is using my ports! (Tim-Philipp M?ller)
5. Re: What is using my ports! (Peter Hemmings)
6. Re: What is using my ports! (Alex Butcher)
7. Re: What is using my ports! (Alex Butcher)

----------------------------------------------------------------------

Message: 1
Date: Wed, 19 Aug 2015 17:18:50 +0100
From: Peter Hemmings <peter@hemmings.eclipse.co.uk>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>
Subject: [bristol] What is using my ports!
Message-ID: <55D4AC6A.8040309@hemmings.eclipse.co.uk>
Content-Type: text/plain; charset=utf-8; format=flowed

Hi,

I did a clean install of fc22 a few weeks ago and have not played with
any ports. I am now setting up local ssh and using this:

http://linuxconfig.org/how-to-install-start-and-connect-to-ssh-server-on-fedora-linux

When I have it running I get this as root user:

[root@study ~]# netstat -ant | grep 22
tcp 0 0 192.168.122.1:53 0.0.0.0:*
LISTEN
tcp 0 0 0.0.0.0:22 0.0.0.0:*
LISTEN
tcp6 0 0 :::22 :::*
LISTEN

which is as I expect, but when doing it as user "peter" I get:

[peter@study ~]$ netstat -ant | grep 22
tcp 0 0 192.168.122.1:53 0.0.0.0:*
LISTEN
tcp 0 0 0.0.0.0:22 0.0.0.0:*
LISTEN
tcp 0 0 192.168.0.2:22 192.168.0.2:36595
ESTABLISHED
tcp 0 0 192.168.0.2:36595 192.168.0.2:22
ESTABLISHED
tcp6 0 0 :::22 :::*
LISTEN
[peter@study ~]$

(where my local pc is on 192.168.0.2)

When I googled for port 36595 there is a mention of "speedtest" data!

How/why has it established this when I have not done anything!?

What is more important is to find what is using it and where it's
configured?

If you still have time, could somone point me to where the last 2 line
are explained!?

Thanks

Regards

--
Peter H

------------------------------

Message: 2
Date: Wed, 19 Aug 2015 19:05:26 +0100
From: Jamie Lokier <jamie@shareable.org>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>
Subject: Re: [bristol] What is using my ports!
Message-ID: <20150819180526.GG15567@jl-vm1.vm.bytemark.co.uk>
Content-Type: text/plain; charset=us-ascii

Peter Hemmings wrote:
> [root@study ~]# netstat -ant
> What is more important is to find what is using it and where it's
> configured?

Try 'netstat -antp' which shows the process name using the connection.

Best,
-- Jamie

------------------------------

Message: 3
Date: Wed, 19 Aug 2015 19:54:55 +0100
From: Peter Hemmings <peter@hemmings.eclipse.co.uk>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>
Subject: Re: [bristol] What is using my ports!
Message-ID: <55D4D0FF.7090602@hemmings.eclipse.co.uk>
Content-Type: text/plain; charset=windows-1252; format=flowed

On 19/08/15 19:05, Jamie Lokier wrote:
> Peter Hemmings wrote:
>> [root@study ~]# netstat -ant
>> What is more important is to find what is using it and where it's
>> configured?
>
> Try 'netstat -antp' which shows the process name using the connection.

Thanks, I should have RTFM or just guessed!

I can now see what is doing what, when I had thunderbird/firefox running
I could see them.

Strange thing is that I do not now have port 36595 in the list at all
(root or user):

[peter@study ~]$ sudo netstat -antp | grep 22
tcp 0 0 192.168.122.1:53 0.0.0.0:*
LISTEN 1378/dnsmasq
tcp 0 0 0.0.0.0:22 0.0.0.0:*
LISTEN 3302/sshd
tcp6 0 0 :::22 :::*
LISTEN 3302/sshd
[peter@study ~]$

I did copy over my old home directory with hidden files so is it
possible that something leftover from "Speedtest" is opening a port?

I always thought that copying over a home directory could not affect
configuration of ports.

Anyway its not there now!

If I was clever, I assume I could write something to alert me to a port
3695 opening.

>
> Best,
> -- Jamie
>
> _______________________________________________
> Bristol mailing list
> Bristol@mailman.lug.org.uk
> https://mailman.lug.org.uk/mailman/listinfo/bristol
>

Regards

--
Peter H

------------------------------

Message: 4
Date: Wed, 19 Aug 2015 21:09:34 +0100
From: Tim-Philipp M?ller <t.i.m@zen.co.uk>
To: bristol@mailman.lug.org.uk
Subject: Re: [bristol] What is using my ports!
Message-ID: <1440014974.2033.30.camel@zen.co.uk>
Content-Type: text/plain; charset="UTF-8"

On Wed, 2015-08-19 at 19:54 +0100, Peter Hemmings wrote:

Hi Peter,

> Strange thing is that I do not now have port 36595 in the list at all
> (root or user):
>
> [peter@study ~]$ sudo netstat -antp | grep 22
> tcp 0 0 192.168.122.1:53 0.0.0.0:*
> LISTEN 1378/dnsmasq
> tcp 0 0 0.0.0.0:22 0.0.0.0:*
> LISTEN 3302/sshd
> tcp6 0 0 :::22 :::*
> LISTEN 3302/sshd
> [peter@study ~]$
>
> I did copy over my old home directory with hidden files so is it
> possible that something leftover from "Speedtest" is opening a port?
>
> I always thought that copying over a home directory could not affect
> configuration of ports.

The "port 36595" thing most likely has nothing to do with "Speedtest". A
TCP connection usually has an origin address + port and a destination
address + port, and when an application says 'connect to xyz:22' the
origin port is usually chosen randomly by the network stack since it's
usually not important. So the number 36595 was most likely just a random
number, and next time you use ssh it will be a different number. You're
seeing it twice in your list because you've ssh-ed into your local
machine so it's in the list once for the client (ssh) and once for the
ssh server process.

Cheers
-Tim

------------------------------

Message: 5
Date: Wed, 19 Aug 2015 22:19:09 +0100
From: Peter Hemmings <peter@hemmings.eclipse.co.uk>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>
Subject: Re: [bristol] What is using my ports!
Message-ID: <55D4F2CD.5070002@hemmings.eclipse.co.uk>
Content-Type: text/plain; charset=windows-1252; format=flowed

On 19/08/15 21:09, Tim-Philipp M?ller wrote:
> On Wed, 2015-08-19 at 19:54 +0100, Peter Hemmings wrote:
>
> Hi Peter,
>
>> Strange thing is that I do not now have port 36595 in the list at all
>> (root or user):
>>
>> [peter@study ~]$ sudo netstat -antp | grep 22
>> tcp 0 0 192.168.122.1:53 0.0.0.0:*
>> LISTEN 1378/dnsmasq
>> tcp 0 0 0.0.0.0:22 0.0.0.0:*
>> LISTEN 3302/sshd
>> tcp6 0 0 :::22 :::*
>> LISTEN 3302/sshd
>> [peter@study ~]$
>>
>> I did copy over my old home directory with hidden files so is it
>> possible that something leftover from "Speedtest" is opening a port?
>>
>> I always thought that copying over a home directory could not affect
>> configuration of ports.
>
> The "port 36595" thing most likely has nothing to do with "Speedtest". A
> TCP connection usually has an origin address + port and a destination
> address + port, and when an application says 'connect to xyz:22' the
> origin port is usually chosen randomly by the network stack since it's
> usually not important. So the number 36595 was most likely just a random
> number, and next time you use ssh it will be a different number. You're
> seeing it twice in your list because you've ssh-ed into your local
> machine so it's in the list once for the client (ssh) and once for the
> ssh server process.

OK thanks.

I had not realized a port was chosen randomly and do not fully
understand how "stacks" work (at my age its a bit late!). but what is
the relationship between the random port and the default port 22, is
that just on the output from the box or more complex!?

>
> Cheers
> -Tim
>
>
>
> _______________________________________________
> Bristol mailing list
> Bristol@mailman.lug.org.uk
> https://mailman.lug.org.uk/mailman/listinfo/bristol
>

Regards (no so worried)

--
Peter H

------------------------------

Message: 6
Date: Thu, 20 Aug 2015 10:11:04 +0100 (BST)
From: Alex Butcher <lug@assursys.co.uk>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>
Subject: Re: [bristol] What is using my ports!
Message-ID:
<alpine.LRH.2.11.1508200959560.12692@zlgugi.of5.nffheflf.cev>
Content-Type: text/plain; charset="iso-8859-15"; Format="flowed"

On Wed, 19 Aug 2015, Tim-Philipp M?ller wrote:

> On Wed, 2015-08-19 at 19:54 +0100, Peter Hemmings wrote:
>
> Hi Peter,
>
>> Strange thing is that I do not now have port 36595 in the list at all
>> (root or user):
>>
>> [peter@study ~]$ sudo netstat -antp | grep 22
>> tcp 0 0 192.168.122.1:53 0.0.0.0:*
>> LISTEN 1378/dnsmasq
>> tcp 0 0 0.0.0.0:22 0.0.0.0:*
>> LISTEN 3302/sshd
>> tcp6 0 0 :::22 :::*
>> LISTEN 3302/sshd
>> [peter@study ~]$
>>
>> I did copy over my old home directory with hidden files so is it
>> possible that something leftover from "Speedtest" is opening a port?
>>
>> I always thought that copying over a home directory could not affect
>> configuration of ports.
>
> The "port 36595" thing most likely has nothing to do with "Speedtest". A
> TCP connection usually has an origin address + port and a destination
> address + port

Tim has it. The technical term for this source port (which is the normal
term for what Tim's calling an 'origin [...] port') is an 'ephemeral port'
(<https://en.wikipedia.org/wiki/Ephemeral_port>) which is necessary for all
TCP, UDP and SCTP connections (not just TCP connections).

>, and when an application says 'connect to xyz:22' the
> origin port is usually chosen randomly by the network stack since it's
> usually not important. So the number 36595 was most likely just a random
> number, and next time you use ssh it will be a different number. You're
> seeing it twice in your list because you've ssh-ed into your local
> machine so it's in the list once for the client (ssh) and once for the
> ssh server process.

The ephemeral port number isn't always completely random (though it's not
necessarily monotonically incremental either) -
<https://www.cymru.com/jtk/misc/ephemeralports.html>. Also, different OSs
have different default ephemeral port ranges. Linux's NAT functionality
also has its own port range. Observant intermediaries can use this to
determine the likely client OS.

A former colleague's book on TCP/IP is available free online from
<https://web.archive.org/web/20030619152346/http://www.theinternetbook.net/>

> Cheers
> -Tim

Best Regards,
Alex

------------------------------

Message: 7
Date: Thu, 20 Aug 2015 12:23:51 +0100 (BST)
From: Alex Butcher <lug@assursys.co.uk>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>
Subject: Re: [bristol] What is using my ports!
Message-ID:
<alpine.LRH.2.11.1508201217561.12692@zlgugi.of5.nffheflf.cev>
Content-Type: TEXT/PLAIN; format=flowed; charset=US-ASCII

On Wed, 19 Aug 2015, Peter Hemmings wrote:

> I had not realized a port was chosen randomly and do not fully understand how
> "stacks" work (at my age its a bit late!).

The term 'stack' has (at least) two uses in computing:

<https://en.wikipedia.org/wiki/Stack_%28abstract_data_type%29>

and, in this case, as a synonym for 'suite' in
<https://en.wikipedia.org/wiki/Internet_protocol_suite>. It refers to the
fact that there is a suite of components that make up IP: some in the
kernel, some in libraries, and some in applications that make calls of
components below them and give responses to components above them (hence
'stack').

> but what is the relationship
> between the random port and the default port 22, is that just on the output
> from the box or more complex!?

The line:

tcp 0 0 192.168.0.2:36595 192.168.0.2:22 ESTABLISHED

indicates that on 192.168.0.2, you've ssh'ed into itself - hence the source
address and port on the left hand side, and the destination address and port
on the right.

Best Regards,
Alex

------------------------------

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Bristol mailing list
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------------------------------

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***************************************