Scott Ferguson | 4 Jul 10:27 2015
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[clug] Firefox Pocket and alternatives - Wallabag, and, others(?)

Anybody used any of these?
Comments?
Criticisms and suggestions?
Alternatives??

I frequently save interesting and informative web pages to a private
server in loosely described directories beneath "References".
References is smb shared to any boxes connected to the home/office
network, indexed by Recoll on the same private server (which I can
access remotely when required).
Before I save the webpages I often remove ads and unwanted js with
Firebug then convert them to pdf (text and images, not a single image).
The process is time consuming and Pocket seems like it 'might' be an
improvement but... I prefer to host my own data with a proviso that the
code be Open Source (likewise with Mozilla Sync).
The reason I convert to pdf is because I don't want to rely on an
internet connection to view the data - and that way Recoll only indexes
the information instead of the code.

I did very little searching for alternatives to Pocket and was only able
to find Wallabag, which seems to have similar features with the
advantage of claiming to convert saved pages to .epub format.

I've found nothing about the security of Wallabag - which is a little
worrying. Nor have I actually used it yet.

Installation seems simple, and requirements are few that my servers
don't already provide - the code is Open Source.

My Googlefu is weak in this instance as I can't think of useful search
(Continue reading)

Jessica Fryer | 3 Jul 02:35 2015
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[clug] PLEASE HELP! I have angered the network printing gods!

Hi everyone I'm desperate for help. I've tried like two things and I'm all
out of ideas.

I've got a HP Pavilion 15 running Ubuntu 12.04
I've got the crappy wireless router my ISP sent me since the old one needed
replacing anyway.
I've got a Brother HL-3170CDW from OfficeWorks.

Everything was going swimmingly. Colour, duplex, a little trouble with
really unusual fonts but I've gone through a few hundred pages, mostly b&w,
in the few months I've had it.

Yesterday I had two jobs. Print a few info leaflets for a demonstration and
print a menu to make comments.

I ran out of each colour at the same time, replaced them all, the job
finished (with some errors toward the end that usually occur when I try to
send through weird pictures or fonts, but still, they printed) and then
NOTHING!

I've re-installed the printer, power cycled the wireless, power cycled the
printer and then re-connected it to the network from scratch (re-entered
the password and everything), deleted the printer on the laptop and then
re-found it and re-installed it, installed necessary updates, power cycled
the laptop. The same test page has been in the queue for 15 hours.

I'm using a driver called HL-3170CDW CUPS that came up during the wizard.
The printer status message says deep sleep but the data light is on.

Any ideas or places I can look for advice?
(Continue reading)

Bryan Kilgallin | 30 Jun 11:17 2015
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[clug] OT fire sale clause

{The privacy policy for Hulu

<http://topics.nytimes.com/top/news/business/companies/hulu_llc/index.html?inline=nyt-org>, 
a video-streaming service with about nine million subscribers, opens 
with a declaration that the company “respects your privacy.”

That respect could lapse, however, if the company is ever sold or goes 
bankrupt. At that point, according to a clause several screens deep in 
the policy <http://www.hulu.com/privacy>, the host of details that Hulu 
can gather about subscribers — names, birth dates, email addresses, 
videos watched, device locations and more — could be transferred to “one 
or more third parties as part of the transaction.” The policy does not 
promise to contact users if their data changes hands.

Provisions like that act as a sort of data fire sale clause. They are 
becoming standard among the most popular sites, according to a recent 
analysis by The New York Times of the top 100 websites in the United 
States as ranked by Alexa, an Internet analytics firm.

Of the 99 sites with English-language terms of service or privacy 
policies, 85 said they might transfer users’ information if a merger, 
acquisition, bankruptcy, asset sale or other transaction occurred, The 
Times’s analysis found. The sites with these provisions include 
prominent consumer technology companies like Amazon, Apple, Facebook, 
Google and LinkedIn, in addition to Hulu.}

http://www.nytimes.com/2015/06/29/technology/when-a-company-goes-up-for-sale-in-many-cases-so-does-your-personal-data.html

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(Continue reading)

Eyal Lebedinsky | 30 Jun 09:02 2015
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[clug] lrzip crash

I use lrzip to compress backups. I recently had a few crashed. The crash is repeatable when
decompressing stdin. Here is an example run:

$ lrzip -t vms.tar.lrz
Decompressing...
100%      83.88 /     83.88 GB
Average DeCompression Speed: 28.144MB/s
[OK] - 90067507200 bytes
Total time: 00:50:53.00

Good, now through stdin:

$ cat vms.tar.lrz | lrzip -tf -
Decompressing...
Segmentation fault (core dumped)

dmesg shows:

lrzip[13579]: segfault at 7f31b76d3000 ip 000000000040ed58 sp 00007fff878124e0 error 6 in lrzip[400000+41000]

The archive was created with

$ TMP="/backup/room" lrzip -b vms.tar

This is on fedora 22 (latest and up-to-date).

Any suggestions?

TIA

(Continue reading)

freds72 | 30 Jun 07:34 2015
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[clug] wireless access point


As Steve said, ethernet over powerline seems to work well.  My son in law  
is playing games over it, and says it doesn't affect lag;  just seems to  
work.

cheers
Pete
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Paul Wilson | 30 Jun 03:06 2015
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[clug] wireless access point on Linux box?

I have a linux mythtv box at the other end of the house where my wifi
is just on the edge of its signal range. Initially I was thinking I
could just find a wifi card to setup a new hotspot to extend the
range, but apparently I need a special wifi card with "AP mode" or
some feature which allows this.

is this still worth getting or just a cheep router?

any ideas?
Paul
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Bob Edwards | 29 Jun 04:46 2015
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[clug] Telstra 4G USB modem

Hi all,

If anyone is looking for a low-cost 4G modem, I bought a couple of
Telstra 4G USB modems from JB-HiFi on the weekend for $19 each.
Comes with 2GB of pre-paid data with 30 days (usually costs $20 for
2GB to use in 7 days), so a better value proposition to buy the
whole modem than just a data top-up.

How is this relevant to Linux? The modem is a ZTE MF823, based on an
ARM-7 running OpenEmbedded Linux. It appears to the host as a USB
Ethernet interface (CDC-Ether) and "just works" after a DHCP request,
so no drivers etc. required to make it work with a Linux host. The
firmware is apparently upgradable and there may be some unofficial
firmwares out there, but I haven't tried anything else yet.

With a $50 pre-paid from Telstra, you get 365 days to use it, so
$1/week for 4G for that fail-over link is not too bad.

Careful though, the root password is well-publicised and the modem
firmware provides a DNS proxy which is in the DHCP reply - what could
go wrong here? Maybe that is why they are being sold off cheap? A few
firewall rules should harden it somewhat, or don't use the embedded
DNS proxy from the DHCP reply, just in case.

cheers,

Bob Edwards.
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(Continue reading)

Paul Harvey | 26 Jun 03:05 2015
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[clug] Talk Proposal: QubesOS

I've been using QubesOS https://www.qubes-os.org/ for over 6 months,
and although it's complicated my life a little, I now feel naked
without it!

I'd like to talk about why Qubes is more than just a bunch of VMs:
- Helps mitigate against hostile USB devices (I'll bring a USB rubber
ducky configured for hostility, just to demonstrate)
- Helps contain malicious PDFs and (eventually) other documents
- Helps mitigate flaws inherent in the now decades-old
design/architecture of X11, while at the same time giving a unique,
somewhat seamless GUI experience for running different apps in
different VMs
- Helps contain exploits that might occur in kernel network drivers
- Helps reduce the scope of malware impact by containing its influence
to just a few filesystem locations that actually persist across AppVM
reboots: Eg. /home and /usr/local directories (the rest of the root
filesystem usually comes from a template rootfs that's instantiated on
every AppVM start)
- Provides a neat point & click way to chain different networking VMs
together in front of any of your AppVMs (firewall, IDS, proxy, Tor,
etc)
- Improves memory utilization by using fancy xen stuff to
share/release free memory among running AppVMs

... among other things (now that I've written that list perhaps I
should work on cutting it back a bit).

I'm used to giving 30-45min talks, but let me know the best format for
CLUG: obviously there's a lot of rabbit holes in Qubes and Xen that
could individually take up 30mins by themselves, I'd like to keep it
(Continue reading)

Bob Edwards | 26 Jun 02:14 2015
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Re: [clug] Pointless time-wasting bash questions

On 26/06/15 10:06, Bob Edwards wrote:
> On 26/06/15 09:57, Bob Edwards wrote:
>> On 25/06/15 22:15, Scott Ferguson wrote:
>>> On 25/06/15 21:44, Eyal Lebedinsky wrote:
>>>> On 25/06/15 19:29, Scott Ferguson wrote:
>>>>> Messing with bracket contractions.
>>>>>
>>>>> *1*.
>>>>> cp Kernel/Config/GenericAgent.pm.dist Kernel/Config/GenericAgent.pm
>>>>> I can shorten the process with:-
>>>>> cp Kernel/Config/GenericAgent.pm{.dist,}
>>>>>
>>>>> *2*. likewise
>>>>> cp Kernel/Config.pm.dist Kernel/Config.pm
>>>>> I can shorten the process with:-
>>>>> cp Kernel/Config.pm{.dist,}
>>>>>
>>> <snipped>
>>>>
>>>> Really?
>>>
>>> No.   :D
>>>> cp with four arguments does what when the last one is not a
>>>> directory?
>>>
>>> Good catch Eyal!
>>>
>>> It was an interview question (not mine). I don't know what the correct
>>> answer is - the first two example are similar to the two processes that
>>> are meant to be combined into "a single command using only cp and bash
(Continue reading)

Bob Edwards | 26 Jun 02:06 2015
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Re: [clug] Pointless time-wasting bash questions

On 26/06/15 09:57, Bob Edwards wrote:
> On 25/06/15 22:15, Scott Ferguson wrote:
>> On 25/06/15 21:44, Eyal Lebedinsky wrote:
>>> On 25/06/15 19:29, Scott Ferguson wrote:
>>>> Messing with bracket contractions.
>>>>
>>>> *1*.
>>>> cp Kernel/Config/GenericAgent.pm.dist Kernel/Config/GenericAgent.pm
>>>> I can shorten the process with:-
>>>> cp Kernel/Config/GenericAgent.pm{.dist,}
>>>>
>>>> *2*. likewise
>>>> cp Kernel/Config.pm.dist Kernel/Config.pm
>>>> I can shorten the process with:-
>>>> cp Kernel/Config.pm{.dist,}
>>>>
>> <snipped>
>>>
>>> Really?
>>
>> No.   :D
>>> cp with four arguments does what when the last one is not a
>>> directory?
>>
>> Good catch Eyal!
>>
>> It was an interview question (not mine). I don't know what the correct
>> answer is - the first two example are similar to the two processes that
>> are meant to be combined into "a single command using only cp and bash
>> builtins". The interviewee doesn't recall whether the question was to
(Continue reading)

Bryan Kilgallin | 25 Jun 13:55 2015
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[clug] Computing club meetings

Last night Ivan and I were at the CanFP functional programming club. We 
were stuffed with free pizza, garlic bread, beer and soft drinks. Many 
young, female and academic people were there.

Whereas tonight our CLUG meeting was cosy. There also were Bob, Tony, 
two Steves, Paul and Blaz. Two ANU Computer Science society guys dropped 
in and chatted. While Tony led the show.
http://www.netspeed.com.au/bryan/art/drawing/Tony.JPG

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