Re: WLUG Meeting Feb 11th 2021! Topic: Good question!
by John Stoffel
>>>>> "Jon" == Jon \"maddog\" Hall <jon.maddog.hall(a)gmail.com> writes:
Jon> John,
>> Yes, but I don't properly recall if the Itanium design was started
>> before AMD64 came or as a reaction to the AMD64. Haven't done any
>> research for the real timelines.
Jon> Two single-line searches found that the Itanium was launched in
Jon> 2001 and the AMD x64 was launched in 2003.
Been neck deep in SFLT tape restore wrangling today. Whee!!!
>> It's a shame the Alpha architecture didn't make it, even though it did
>> have some bad design decisions inside it's ISA and internal
>> architecture. It was still a pretty nice and clean 64-bit design. As
>> I recall, it's mostly the memory ordering around byte accesses that
>> are the problem.
Jon> This is the first I have heard of these bad decisions. Would you care to elaborate?
It's in regards to memory ordering. See this LKML post by Linus on
the topic. This is what I'm talking about mostly.
https://lkml.org/lkml/2012/2/1/521
Jon> The memory ordering around byte accesses might have been because
Jon> the Alpha was designed to be both little endian and big endian.
Jon> So were the MIPS chips. While many vendors supported only big
Jon> endian (Motorola, SPARC, etc.) DEC had been supporting little
Jon> endian in their PDP-11s, VAX, MIPS and Alphas for data
Jon> compatibility. DEC supported little endian because it was
Jon> cheaper electronically to have the data held in that fashion.
Very much could be that is the reason. I don't know.
Jon> Sun made much fun of DEC for years having Unix systems that were
Jon> little endian instead of big endian like "real workstations". I
Jon> kept asking them about these "Intel things" which were little
Jon> endian too. Sun sneered at me and told me that "Intel chips
Jon> were not used in real computers".....that is until they ported
Jon> Solaris to Intel and tried to mix them into their network. Then
Jon> I took real glee in asking them how they had data compatibility
Jon> across NFS between SPARC and Intel.
Gah, all the problems with writing socket code and having to do
translations from Network Byte Ordering to Host Byte Ordering.
hton[ls]() and the inverse.
Jon> As I said, you are the first to mention to me these bad
Jon> decisions. I am curious to know what they are.
It's in terms of memory ordering on access. See the above link.
4 years, 2 months
Re: Last meeting mention of connecting to DISPLAY :0
by Chris Thompson
Hi all,
Following up on a 6 month or so old inquiry...
My request had been to get to my desktop session of X remotely. I seldom
use this (mosh is typically more than enough) but occasionally it can be
handy - e.g. grabbing a password I forgot to move out from FireFox into
KeyPassXC, etc. (I do use FF sync, but not for passwords...call me
paranoid - I don't mind).
I ended up going with John's suggestion: something VNC-based. While you
can set up Xvnc itself for a separate session, I prefer not to do this
(nor do I need/want a Display Manager remotely). I only wanted on-demand
access to the desktop shown (i.e. what's on the local monitor), and have
found TigerVNC to be a good fit for this.
Setup...
"Client" = laptop on the road, "Server" = the desktop @ home
Client setup: while you can use `ssh -L etc.` to set up port forwards, I
prefer just using ~/.ssh/config, to which I added something like this:
```
Host my_server # the alias I'm using for the server system
LocalForward 5900 127.0.0.1:5900 # forward local port 5900 to
127.0.0.1:5900 on the server site
HostName xxx.xxx.xxx.xxx # IP or fqdn of server system
```
So, my laptop's localhost:5900 is now forwarded (through SSH) to the
server system's equivalent of 127.0.0.1:5900. You can of course change
the ports as needed, but as I do not run an VNC server process on my
laptop, this is fine for me.
This is where Tiger's*x0vncserver* comes in (*x11vnc* is another
alternative). From `man x0vncserver`:
x0vncserver is a TigerVNC Server which makes any X display
remotely accessible via VNC, TigerVNC or compatible viewers. Unlike
Xvnc(1), it does not create a virtual display. Instead, it
just shares an existing X server (typically, that one connected
to the physical screen).
Just what I wanted! Once I have connected via SSH, to the server system,
I start vnc on the server with ` x0vncserver -localhost -SecurityTypes
none -display=:0`. This only listens on localhost, disabling security,
and shares out from display :0, which is my normal i3/X11 desktop. There
are a few additional security options with tigervnc, but I'm just
relying on SSH in this case.
Finally, I connect to my desktop from my client machine with `vncviewer
localhost`. You can also just run vncviewer and will be presented with a
GUI for specifying options.
The performance is ...well, about what I expected from VNC at times, but
overall it's been pretty reasonable/good for my limited use cases. A
couple notes specific to me that may apply to you: I normally run a
picom (an X11 compositor) - killing this before connecting is a good
performance choice. Additionally, I disable a monitor with xrandr. The
VNC client works well (when in full screen) with multiple displays by
scrolling following the mouse motion, but it's just less practical IMO
than dropping a monitor.
There are some other options that make this set up even simpler (e.g.
see the `-via` option of vncviewer), but I figured starting with a more
spelled-out example was better. My primary reference was the Arch wiki:
https://wiki.archlinux.org/title/TigerVNC
Regards,
Chris
On 7/24/22 14:37, John Stoffel via WLUG wrote:
>>>>>> "Chris" == Chris (wolcen) Thompson via WLUG<wlug(a)lists.wlug.org> writes:
>
> Chris> Great to see you all in the last meeting :-) I was the
> Chris> skateboarder...who caught me almost falling shortly before I
> Chris> left? LOL
>
> It was good to meet you, hopefully face to face sometime. And I hope
> you're all staying cool today, it's been a scorcher!
>
> Chris> [Insert name I've forgotten here (sorry!)] mentioned that their
> Chris> users connect to a remote session's root desktop (or whatever
> Chris> you call the initial/primary display :0 deal that you
> Chris> initially/locally get).
>
> Chris> I would like to do this as well. SSH with port forwarding is
> Chris> probably my preference, but wireguard would be OK as well. I
> Chris> don't think I want to directly expose anything like xrdp.
>
> Chris> Anyway - could you please refresh my memory as to what was
> Chris> being used? I'm running i3 in this case (started via
> Chris> lightdm). I generally have not loved using VNC-based tools, but
> Chris> if that's what is currently recommended, I guess I'll give it
> Chris> another go.
>
> For a long time I was using NX (or FreeNX) on my work desktop so I
> could connect between a windows box and a linux desktop using Synergy
> to map the keyboard/mouse between systems as I moved the mouse between
> my desktops.
>
> That was using the 'nomachine.com' software, though I used the freenx
> stuff. But after a while it got to be too painful, and now that I
> mostly work on a windows laptop for work (due to the work VPN
> requirements) I don't tend to do anything beyond lots of putty
> sessions in which I run screen.
>
> I've tried MobaXterm, but never really liked it, even though it does
> offer native X display, so you can fire up remote graphical tools.
> This would work better if I wasnt' 80-100 miliseconds of lag
> (basically across the entire US) distant from the remote systems I
> manage and work on.
>
> Much as I hate to say it, I've sometimes just fallen back to VNC when
> I need to fire up a web browser to download a 5-10gb ISO image to do a
> system install.
>
>
> Chris> ------------
>
> Chris> SSHFS Optimization
>
> Chris> Also - I referred to using sshfs internally for myself to my NAS, and
> Chris> some optimizations for it. This is my current alias to mount it:
>
> Chris> sshfs -o cache=yes -o kernel_cache -o Ciphers=aes128-ctr -o
> Chris> Compression=no -o ServerAliveCountMax=3 -o ServerAliveInterval=15 -o
> Chris> reconnect -C -o idmap=user server: /mymountpoint
>
> Chris> I got a few of the recommended switches from this article that finally
> Chris> convinced me to just forget about NFS:
>
> Chris>https://blog.ja-ke.tech/2019/08/27/nas-performance-sshfs-nfs-smb.html
>
> This is a great set of info, because I too have used sshfs at times
> but cursed to slow speed. I'll definitely try this out. It would be
> nice if the windows client also supported these options as well at
> times.
>
>
> Cheers!
> Joohn
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2 years, 4 months
Re: Intersection of Open Source and Social Change
by Kevin Harrington
Odoo is very FOSS friendly: https://github.com/odoo/odoo
I have been mulling over the problem posed by automation and software
participating in the labor market alongside people for quite a few
years now. I love hearing about localized solutions to problems. The
closer people are to the control of what they need to survive, the
better.
One of the ways to localize control are what David Graeber calls Debt
Loops: https://www.youtube.com/watch?v=CZIINXhGDcs
Since reading the book hes talking about in the lecture, I have been
mulling over how one might make a digital version of
gift-economies/debt-loop/auto-jubilee networks. One of the corrosive
aspects of markets is the spot transaction. It anonymizes money
(something that represents the labor of others owed to you the holder)
and encourages us to dehumanize each other into economic means to our
ends. Gift loops make each transaction explicitly a public act, and in
doing so makes sure that we are confronted with our interdependence on
a regular basis.
Economically gift economies have the advantage of moving the issuer of
credit and debt from a central bank, into the hands of individuals
making the decision to trust other individuals and the debt loop
system. Those with the ability to express trust in others, and when
that trust is reciprocated, then that is the wealth creation engine.
When any debt is paid forward until it reaches back to the issuer, the
loop is canceled, and all the obligations are unzipped. Therefore one
person initiating trust can cancel N nodes in a loop, effectively
unlimited. Since it is also fully public, cheating means cheating in
public.
Beyond the exchange of labor in money or debt interactions, we have a
deeper problem of the displacement of the labor market by automation.
Beyond the economic arguments, there is a philosophical problem with
selling a non-rivalrous commodity and failing to create in the market
the demand for said commodity through wage creation. The expected
effect of this process would be rising productivity, with stagnant
wages as the few jobs remaining are competed for by an ever increasing
reserve army of the unemployed. Turns out you can see that in the data
as early as the mid 90's. I attached an article I am working on to
outline this problem, if you are interested in reading more.
On Wed, Aug 14, 2024 at 11:27 AM Tim Keller <turbofx(a)gmail.com> wrote:
>
> This is a tangent, but on the same vein.
>
> I find myself with my wife and kids at lots of craft fairs, etc. In all cases, the conversation goes something like:
>
> "Oh, those earrings.. $12.50 with a card, $10 with cash." I know in all those cases, it's a situation where they're getting boned by a company like Toast or one of these other middleman transaction processors.
>
> I think it would be cool if there was a more local option, but offered the same level of ease of use that [insert POS system] I see things like odoo out there, but I don't know how FOSS friendly they are.
>
> Tim.
>
> On Tue, Aug 13, 2024 at 9:06 PM Gregory Boyce via WLUG <wlug(a)lists.wlug.org> wrote:
>>
>> For the last 5 years or so, I"ve been putting a lot of thought into what I would like the tech industry to look like in the future, and what steps we could take in order to achieve it.
>>
>> What I see is locally managed tech infrastructure focused on local communities. Communities can share the same open source tools instead of depending on large centralized platforms. This would mean that the people who make the decisions about how online commerce operates in the area could actually be close to the users and acting on their best interests.
>>
>> I see this looking like community sales platforms connecting people to the local stores, various Fediverse compatible platforms for Social Media, video sharing, chat systems, and jobs boards.
>>
>> Each service is an opportunity to help people pay each other instead of sending money out of the community.
>>
>> The services could be hosted on existing cloud platforms, but I've been looking at building community clouds, hopefully partnered with municipal fiber.
>>
>> To me, it's more about a philosophical shift around the motivations of developers more than anything, but I'd love to meet with people who'd like to help build a proof of concept.
>>
>> On Mon, Aug 12, 2024 at 6:14 PM Mike kantrowitz <mike.kantrowitz01(a)gmail.com> wrote:
>>>
>>> Sorry I couldn't join for dinner after the last meeting. Sounds like it was a good conversation.
>>> I'm definitely interested in further conversation about tech and social change.
>>>
>>> /mike
>>>
>>>
>>>
>>> On Mon, Aug 12, 2024 at 2:55 PM John Stoffel via WLUG <wlug(a)lists.wlug.org> wrote:
>>>>
>>>> >>>>> "Gregory" == Gregory Boyce via WLUG <wlug(a)lists.wlug.org> writes:
>>>>
>>>> > Awesome. I'll have to try to make it to an upcoming event.
>>>>
>>>> And we will be sure to publicize this on the wlug.org web site as
>>>> well.
>>>>
>>>> > I was thinking about setting up either a Matrix server for chat, or
>>>> > a Lemmy server for a reddit-like set of discussion forums.
>>>>
>>>> Would the chats be logged for later viewing? I'm not familiar with
>>>> either setup. I honestly prefer email lists, but that's because I
>>>> find interacting in a web browser for forums to be a pain in the rear
>>>> because I have to use the mouse for some much, which just slows me
>>>> down.
>>>>
>>>>
>>>>
>>>>
>>>> > On Sun, Aug 11, 2024 at 7:48 PM Kevin Harrington <mad.hephaestus(a)gmail.com> wrote:
>>>>
>>>> > Count me in! I have been working on a book on the topic for a few years on and off. Fyi just
>>>> > about every meeting of Robot Club turns into one of those sort of discussions. We meet at
>>>> > technocopia Saturdays 1-4.
>>>>
>>>> > On Sun, Aug 11, 2024, 7:34 PM Gregory Boyce via WLUG <wlug(a)lists.wlug.org> wrote:
>>>>
>>>> > Hey folks,
>>>>
>>>> > At dinner after the last meeting we had an interesting conversation around the
>>>> > intersection of software/technology and big picture social change. This has been an area
>>>> > of interest of mine for a while now, and I'd love to connect with other people who would
>>>> > be interested in talking about ways to make meaningful change.
>>>>
>>>> > Would anyone be interested in joining a discussion on something like Discord, Slack, or
>>>> > maybe an open source alternative?
>>>>
>>>> > --
>>>> > Greg Boyce
>>>> > _______________________________________________
>>>> > WLUG mailing list -- wlug(a)lists.wlug.org
>>>> > To unsubscribe send an email to wlug-leave(a)lists.wlug.org
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>>>> > Web Forum/Archive:
>>>> > https://wlug.mailman3.com/hyperkitty/list/wlug@lists.wlug.org/message/BNJIS…
>>>>
>>>> > --
>>>> > Greg
>>>> > _______________________________________________
>>>> > WLUG mailing list -- wlug(a)lists.wlug.org
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>>>> _______________________________________________
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>>
>>
>>
>> --
>> Greg
>> _______________________________________________
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>
>
>
> --
> I am leery of the allegiances of any politician who refers to their constituents as "consumers".
8 months, 1 week
Re: [Wlug] Topic for next Meeting?
by Tim Keller
Next Thursday! 10/15/2015
On Thu, Oct 8, 2015 at 7:52 AM, Eric Martin <eric.joshua.martin(a)gmail.com> <
SRS0=0b1Q=KM=mail.wlug.org=wlug-bounces(a)srs.wpi.edu> wrote:
> So are we on for this Thursday or next?
>
> On Wed, Oct 7, 2015 at 2:05 PM Tim Keller <turbofx(a)gmail.com> wrote:
>
>> Chuck,
>>
>> The main problem with tomorrow was that we didn't have a room reserved
>> and I dropped the ball sending out the reminder email. Beyond that on a
>> selfish side note I can't make tomorrow but I can make next Thursday.
>>
>> Thanks,
>> Tim.
>>
>>
>> On Wed, Oct 7, 2015 at 1:23 PM, Chuck Anderson <cra(a)wpi.edu> wrote:
>>
>>> Tomorrow is the 2nd Thursday of the month.
>>>
>>> On Wed, Oct 07, 2015 at 11:41:34AM -0400, Tim Keller wrote:
>>> > We actually haven't done a round table in a while. David, I like your
>>> idea
>>> > for the home automation / vision processing as well. I just went
>>> looking
>>> > and there are 10+ companies that make linux based home automation
>>> > products. I've messed with the the opencv stuff and my co worker is
>>> using
>>> > it read his water meter and do OCR.
>>> >
>>> > Keith, it would be cool to have someone (other than me) talk about
>>> managing
>>> > large amounts of data. Drop a line to your friend and see if they'd be
>>> > willing to do a talk.
>>> >
>>> > I talked a bit about hadoop as well since I've been working with
>>> that. I
>>> > could with some prep give a talk about hadoop if people were
>>> interested.
>>> > I've also been playing with the parallel python stuff as well.
>>> >
>>> > My plan is to send out a reminder that the meeting is going to be next
>>> > Thursday. It's a bit too soon to get anything put together on either
>>> of
>>> > these topics, but we should talk them through next Thursday and see if
>>> > anybody has more ideas as well.
>>> >
>>> > Thanks,
>>> > Tim.
>>> >
>>> > On Wed, Oct 7, 2015 at 11:13 AM, David Glaser <
>>> dglaser(a)glaserresearch.net>
>>> > wrote:
>>> >
>>> > > I would like to see a presentation on using linux for home
>>> automation or a
>>> > > presentation on using linux for vision processing.
>>> > >
>>> > >
>>> > >
>>> > > On 10/07/2015 10:42 AM, Keith Wright wrote:
>>> > >
>>> > > Tim Keller <turbofx(a)gmail.com> <turbofx(a)gmail.com> writes:
>>> > >
>>> > >
>>> > > Hey Gang,
>>> > >
>>> > > What would people like to do for WLUG this month?
>>> > >
>>> > > Thanks,
>>> > > Tim.
>>> > >
>>> > > Oh, oh, nobody answers.
>>> > >
>>> > > I don't want WLUG to die for lack of interest.
>>> > >
>>> > > If we can't get a speaker and a topic, let's
>>> > > do a discussion circle---everyone takes a turn
>>> > > to answer the question "For what do you use Linux?"
>>> > >
>>> > > I know some people use it at work to manage
>>> > > multi-terabyte databases, and some build little
>>> > > microprocessor gadgets, but I would be interested
>>> > > to know the full range, and maybe learn about
>>> > > some new applications.
>>> _______________________________________________
>>> Wlug mailing list
>>> Wlug(a)mail.wlug.org
>>> http://mail.wlug.org/mailman/listinfo/wlug
>>>
>>
>>
>>
>> --
>> I am leery of the allegiances of any politician who refers to their
>> constituents as "consumers".
>> _______________________________________________
>> Wlug mailing list
>> Wlug(a)mail.wlug.org
>> http://mail.wlug.org/mailman/listinfo/wlug
>>
>
> _______________________________________________
> Wlug mailing list
> Wlug(a)mail.wlug.org
> http://mail.wlug.org/mailman/listinfo/wlug
>
>
--
I am leery of the allegiances of any politician who refers to their
constituents as "consumers".
9 years, 6 months
Re: Reminder: Virtual Meeting today at 7PM Topic: Emacs awesomeness.
by Tim Keller
To your first question, you can get your list of installed packages on
Ubuntu by running "apt list --installed" and piping that to a file and
copying that off somewhere safe. You'll likely have to strip that file a
bit.
Then once you've got that file, on your cleanly installed system you can
enumerate over that file with a bash for loop and call "apt install
*package*"
To your second question, I'm sure we've got an R nerd around here..
Tim.
On Thu, Jan 13, 2022 at 3:47 PM gmcaplan--- via WLUG <wlug(a)lists.wlug.org>
wrote:
> I was hoping to attend, but it looks like I will not be able to.
> I hope it will be recorded because I, too, would like to learn about
> emacs.
> Also, I have two questions:
> 1. I am running Ubuntu 18.04 LTS. When I update to ver. 20 or 22, I
> would prefer to do a "clean" re-install, but I have a question. Does
> that mean I must get a list of all my installed software and re-install
> them one at a time after I upgrade the OS? If so, is there an easy way
> for me to get the list?
>
> 2. I have been learning to use the software language R. I have a couple
> of questions and I would like to hear from anyone who has R experience.
>
> Thank You.
>
> George Caplan
> email: gmcaplan(a)gmcaplan.org
>
>
> On 2022-01-13 1:12 pm, Michael Voorhis via WLUG wrote:
> > On 1/13/22 12:58, Tim Keller via WLUG wrote:
> >> Today he's going to show off some of his emacs foo.
> >
> > Will the talk be recorded? I'd love to hear the talk but can't attend
> > because of a conflict.
> >
> > --MCV.
> > _______________________________________________
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> >
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--
I am leery of the allegiances of any politician who refers to their
constituents as "consumers".
3 years, 3 months
Re: [Wlug] Topic for the next meeting: ownCloud
by Eric Martin
Why is xkcd so perfect?
On Tue, Oct 27, 2015 at 10:52 AM Frank Sweetser <fs(a)wpi.edu> wrote:
> http://xkcd.com/320/
>
> Frank Sweetser fs at wpi.edu | For every problem, there is a solution
> that
> Manager of Network Operations | is simple, elegant, and wrong.
> Worcester Polytechnic Institute | - HL Mencken
>
> On 10/27/2015 10:49 AM, thinkbrown(a)gmail.com wrote:
> > A way to kick this whole "sleeping" habit would be nice :P
> >
> > Logan
> >
> > On Oct 27, 2015 10:42 AM, "Tim Keller" <turbofx(a)gmail.com
> > <mailto:turbofx@gmail.com>> wrote:
> >
> > Thanks Logan!
> >
> > Let me know if you need anything.
> >
> > Thanks,
> > Tim.
> >
> > On Mon, Oct 26, 2015 at 4:38 PM, thinkbrown(a)gmail.com
> > <mailto:thinkbrown@gmail.com> <thinkbrown(a)gmail.com
> > <mailto:thinkbrown@gmail.com>> wrote:
> >
> > I'd be happy to present.
> >
> > Logan
> >
> > On Oct 26, 2015 16:35, "Tim Keller" <turbofx(a)gmail.com
> > <mailto:turbofx@gmail.com>> wrote:
> >
> > Hey Gang,
> >
> > So thinking it over, with the holidays coming up, I know I'm
> going
> > to be taking an outrageous number of pictures. In lieu of
> > spending money so I have expanded storage on Google, the next
> > logical step is to set up my ownCloud.
> >
> > Logan, do you want to do this presentation / demo?
> >
> > Thanks,
> > Tim.
> >
> > --
> > I am leery of the allegiances of any politician who refers to
> > their constituents as "consumers".
> >
> > _______________________________________________
> > Wlug mailing list
> > Wlug(a)mail.wlug.org <mailto:Wlug@mail.wlug.org>
> > http://mail.wlug.org/mailman/listinfo/wlug
> >
> >
> > _______________________________________________
> > Wlug mailing list
> > Wlug(a)mail.wlug.org <mailto:Wlug@mail.wlug.org>
> > http://mail.wlug.org/mailman/listinfo/wlug
> >
> >
> >
> >
> > --
> > I am leery of the allegiances of any politician who refers to their
> > constituents as "consumers".
> >
> > _______________________________________________
> > Wlug mailing list
> > Wlug(a)mail.wlug.org <mailto:Wlug@mail.wlug.org>
> > http://mail.wlug.org/mailman/listinfo/wlug
> >
> >
> >
> > _______________________________________________
> > Wlug mailing list
> > Wlug(a)mail.wlug.org
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> >
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9 years, 5 months
Re: [Wlug] Wlug Digest, Vol 110, Issue 5
by joel d
Thanks.
Will be over soon.
Thank you,
Joel
On Dec 12, 2012 7:57 PM, "Frank Sweetser" <fs(a)wpi.edu> wrote:
> At tech now.
>
> joel d <joelgroup(a)gmail.com> wrote:
>>
>> Came late.
>>
>> Did I miss it?
>>
>> Tech pizza?
>>
>> Other location?
>>
>> Thank you,
>>
>> Joel
>> On Dec 12, 2012 12:00 PM, <wlug-request(a)mail.wlug.org> wrote:
>>
>>> Send Wlug mailing list submissions to
>>> wlug(a)mail.wlug.org
>>>
>>> To subscribe or unsubscribe via the World Wide Web, visit
>>> http://mail.wlug.org/mailman/listinfo/wlug
>>> or, via email, send a message with subject or body 'help' to
>>> wlug-request(a)mail.wlug.org
>>>
>>> You can reach the person managing the list at
>>> wlug-owner(a)mail.wlug.org
>>>
>>> When replying, please edit your Subject line so it is more specific
>>> than "Re: Contents of Wlug digest..."
>>>
>>>
>>> Today's Topics:
>>>
>>> 1. Need some help with digital signal processing ... (David Glaser)
>>> 2. Announce: Meeting December 12th 7PM, WPI Campus Center
>>> Mid-Century Room 331 (Chuck Anderson)
>>> 3. Re: Need some help with digital signal processing ... (Jeff Moyer)
>>>
>>>
>>> ----------------------------------------------------------------------
>>>
>>> Message: 1
>>> Date: Wed, 12 Dec 2012 06:33:22 -0500
>>> From: David Glaser <dglaser(a)glaserresearch.net>
>>> Subject: [Wlug] Need some help with digital signal processing ...
>>> To: Worcester Linux Users Group <wlug(a)mail.wlug.org>
>>> Message-ID: <50C86B82.5030301(a)glaserresearch.net>
>>> Content-Type: text/plain; charset="iso-8859-1"
>>>
>>> Hi Folks,
>>>
>>> I need some help with an Android app for the hearing impaired.
>>> Essentially, the app is to be used with a wearable android device
>>> (Google Glasses or theSony android wrist watch) and will listen for
>>> sounds such as the door bell or the tty, or any other household
>>> soundthat should be reported to the wearer.
>>>
>>> Capturing the sound using an Android device is not the problem. What I
>>> don't know is how to compare the incoming sound stream with sound
>>> signatures that should cause the event to occur. Once the event occurs,
>>> then text can be displayed on the googleglasses or the haptic transducer
>>> on the wrist watch can be activated.
>>>
>>> This app is intended to be open sourceso I'm looking for volunteer help
>>> on the algorithms. I will do the programming.
>>>
>>> Regards
>>>
>>> David Glaser
>>> dglaser(a)glaserresearch.net
>>> -------------- next part --------------
>>> An HTML attachment was scrubbed...
>>> URL:
>>> http://mail.wlug.org/pipermail/wlug/attachments/20121212/8dede17f/attachmen…
>>>
>>> ------------------------------
>>>
>>> Message: 2
>>> Date: Wed, 12 Dec 2012 07:47:11 -0500
>>> From: Chuck Anderson <cra(a)WPI.EDU>
>>> Subject: [Wlug] Announce: Meeting December 12th 7PM, WPI Campus Center
>>> Mid-Century Room 331
>>> To: wlug(a)wlug.org
>>> Message-ID: <20121212124710.GZ29170(a)angus.ind.WPI.EDU>
>>> Content-Type: text/plain; charset="us-ascii"
>>>
>>> We are having a WLUG meeting this evening, December 12, at 7:00 PM in
>>> the WPI Campus Center, Mid-Century Room 331.
>>>
>>> http://www.wpi.edu/Admin/CC/Floorplans/37678.htm
>>>
>>> This seems like a good time to talk about the WLUG website. We've had
>>> half-completed plans since about 2 years ago to replace the hardware
>>> and software to create a Wiki or Drupal site to replace the outdated
>>> and manually-maintained-by-me HTML site. This week I plan to finally
>>> migrate things over to the new server, but the content will still be
>>> the old HTML site for now. We need some volunteers to help build a
>>> new site in either MediaWiki or Drupal or some other framework.
>>>
>>> After the meeting, we'll continue discussions over at Tech Pizza.
>>>
>>> Hope to see you there,
>>> Chuck
>>> -------------- next part --------------
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>>> Url :
>>> http://mail.wlug.org/pipermail/wlug/attachments/20121212/d872da62/attachmen…
>>>
>>> ------------------------------
>>>
>>> Message: 3
>>> Date: Wed, 12 Dec 2012 09:33:35 -0500
>>> From: Jeff Moyer <jmoyer(a)redhat.com>
>>> Subject: Re: [Wlug] Need some help with digital signal processing ...
>>> To: David Glaser <dglaser(a)glaserresearch.net>, Worcester Linux Users
>>> Group <wlug(a)mail.wlug.org>
>>> Message-ID: <x49zk1jl4qo.fsf(a)segfault.boston.devel.redhat.com>
>>> Content-Type: text/plain; charset=us-ascii
>>>
>>> David Glaser <dglaser(a)glaserresearch.net> writes:
>>>
>>> > Hi Folks,
>>> >
>>> > I need some help with an Android app for the hearing impaired.
>>> > Essentially, the app is to be used with a wearable android device
>>> > (Google Glasses or theSony android wrist watch) and will listen for
>>> > sounds such as the door bell or the tty, or any other household
>>> > soundthat should be reported to the wearer.
>>> >
>>> > Capturing the sound using an Android device is not the problem. What I
>>> > don't know is how to compare the incoming sound stream with sound
>>> > signatures that should cause the event to occur. Once the event
>>> > occurs, then text can be displayed on the googleglasses or the haptic
>>> > transducer on the wrist watch can be activated.
>>> >
>>> > This app is intended to be open sourceso I'm looking for volunteer
>>> > help on the algorithms. I will do the programming.
>>>
>>> We've got some smart folks on this list, no doubt, but it might serve
>>> you better to ask this question in a more focused forum. Try
>>> http://www.reddit.com/r/DSP/ for starters.
>>>
>>> Good luck!
>>> Jeff
>>>
>>>
>>> ------------------------------
>>>
>>> _______________________________________________
>>> Wlug mailing list
>>> Wlug(a)mail.wlug.org
>>> http://mail.wlug.org/mailman/listinfo/wlug
>>>
>>>
>>> End of Wlug Digest, Vol 110, Issue 5
>>> ************************************
>>>
>> ------------------------------
>>
>> Wlug mailing list
>> Wlug(a)mail.wlug.org
>> http://mail.wlug.org/mailman/listinfo/wlug
>>
>>
> --
> Sent from my Android phone with K-9 Mail. Please excuse my brevity.
>
12 years, 4 months
Re: Reminder: WLUG Meeting tonight: Topic ProxMox / Turning Pi 2
by soup
They began leveraging large language models against... any data set as I
understand it. There were a few papers that set the world on fire with
their implementations. Academia was raided for questionably sourced corpus
for commercial use veiled in community gain.
I've been wrenching on stable diffusion API for a few weeks, as a former
professional photographer it is shocking to me the quality you can get from
very little input and common COTS GPUs. Haven't touched any of the SaaS
cloud inferencing services that have come out in this gold rush but they
can do quite a lot more with the datacenter class GPU grunt. Text to video
(so-called "T2V") is here and getting scary.~
Bless,
soup
On Tue, Feb 13, 2024 at 4:19 PM Keith Wright via WLUG <wlug(a)lists.wlug.org>
wrote:
> John Stoffel via WLUG <wlug(a)lists.wlug.org> writes:
>
> > And does anyone have pointers to the Image generating stuff we talked
> > about? It wiould be fun to try it out myself and for $10 I could get
> > alot of fun.
>
> That wasn't a motion, but I second it anyway.
>
> >From the viewpoint of a jit.si watcher, that was one of the most
> fun demos of a program I have seen at a WLUG over the decades.
>
> But eye-candy aside, I was most interested that the demonstrator
> claimed to understand how it works and to have some links.
>
> The meaning of words changes over time. More change in less time now.
>
> A cartoon generating program is called "artificial intelligence".
> I can't draw cartoons, so I must not be intelligent.
>
> The words "machine learning" were used. As I said Thursday, I did
> my dissertation on machine learning. At that time, it meant a computer
> (with appropriate programming) would input a sequence of examples,
> each marked as in or not in a certain class. The computer would then
> (we hoped) be able to correctly classify examples that had not been
> explicitly shown before.
>
> I didn't see anything like that in the demo.
>
> It was said to be based on a "neural net", but neural nets have been
> around since Minsky started inventing words back in the fifties.
> What changed to make neural networks suddenly start working?
>
> -- Keith
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>
1 year, 2 months
Re: [Wlug] I guess this is goodbye to WLUG
by Keith Wright
Not too long ago I would have been annoyed by the quote
depth of that last message. I'll just take it as an
opportunity to reply to several at once.
E Johnson <iris.gates(a)gmail.com> writes:
> The text file has been broken since May 2012. This is a genealogical
> database, that runs in a program that accesses the file, which consists of
> names, dates, places, etc, plus notes. I think the bogus character might be
> an at sign @ but if so, it won't help to search for it, because GEDCOMS
> contain several @ for each individual. My database contains 115,000
> individuals. I think I know what family (surname) I was working on when it
> broke, though, and it still hangs there. I guess I could grep the file for
> that surname and get it to output a couple of lines after it finds each
> instance.
I didn't know what could be meant by "broken text file", now I see
that you mean "broken file processing program". Do you have
the source for the geneology program? If not, insert rant here.
Does the program crash as soon as you import the file, or
only when you do something particular? My first impulse
would be to put printf commands into the input procedure.
Do you have a spec for what the data is supposed to look like,
or is this one of those take-the-money-and-(run|hide|sell updates)
programs, whose authors think that's super double secret eye pee?
>>>>>>> Sent messages last month asking about the monthly meeting. No
>>>>>>> response in
>>>>>>> a month. No messages in a month.
>>>>>>>
>>>>>>> My time with WLUG was fun & informative. I wish you all health &
>>>>>>> happiness.
>>>>>>>
>>>>>>> Thank you,
>>>>>>>
>>>>>>> Joel
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Wlug mailing list
>>>>>>> Wlug(a)mail.wlug.org
>>>>>>> http://mail.wlug.org/mailman/listinfo/wlug
--(* 7 wlug-header)
Jeez, Joel, sit back down, chill out.
I don't reply to questions if I don't know.
(Unless a woman asks about a database)
I don't think wlug is dead, but I don't know
how to schedule a room at WPI. Just a short
time ago we were watching robots build robots
from source code. Somebody will find the next
meeting on a back-up tape.
I have a question too, but I'll save it for a
another message.
-- Keith
10 years, 6 months
Re: Dec meeting.. not the 14th! 21st or 28th?
by Cara Salter
On 12/7/23 21:08, Doug Mildram via WLUG wrote:
> cara> I'd also be interested in how people are self-hosting their VPNs
> (and john stoffel's view may be similar, I can't say, but hi anyways!)
>
> me/doug> I'm struggling with what's the benefit/motivation?
For me, it lets me access my home network when I'm away from my apartment.
> My take which started long ago:
> 20-30 yrs ago as a sysadmin supporting remote access/workers,
> my (very not-genius-level) brain learned that a VPN...
> a box/product I'd install on "my"/work network,
> handing out INside-access to outside-workers for a session....
> adds (pops up during session) a virtual interface
> on home-computer network stack, so
> while in a VPN session the home worker can magically
> "have an ipaddr on the inside of workplace network"
> thus allowed into not-public work servers (or drive their work desktop)
> BUT! on server setup, I+bosses must decide if yes/no allowing split-tunnel
> (policy set on VPN server which the VPN clients suffer with usually? if
> "no split")
> If yes/split-tunnel allowed, client gets a 2nd! default gateway = route
> to 0.0.0.0
> giving best home-computer network performance (mixing work and play
> works well)
My split-tunnel VPN doesn't set a default gateway, just a route to
10.x.x.x/x. I'm thinking of shenanigans to let my roommates VPN into the
normal resident network and letting myself VPN into the management
network via jump box, but that's not implemented yet. Shenanigans with
Packetfence are planned for the break...
> BUT smart?/paranoid-workplace setups choose NO split tunnel, and
> force home-user's (ISP-given) default route to either disappear?
> or become unused via route metric/preference adjustment? so that, either way
> "don't let the home worker's unsafe world anywhere to tunnel near/into
> work network".
I'm neither smart nor paranoid :p so I use split-tunnel.
> So (now retired) I see endless TV ads for VPN's
> preaching the benefits of their secure VPN, and I don't get it, ....
> assume buyers/sheep are fooled. Real value = ? I may be blind,
> but lacking a VPN, my outside/web traffic is still https / encrypted,
> are they selling some enhanced default-gw world
> featuring bad-guys-blocked-from-hacking-you? I trust my home router,
> though I'm open minded to how "wide open" that might be, relative to
> some ideal.
Most commercial VPNs I've found have low quality. The one that I use
when I want the benefits (different geolocation results, etc) is
Mullvad, for a variety of reasons.
Interested in other people's thoughts!
--
cara
1 year, 4 months