Re: [GTALUG] When a web page goes to next level

[William Witteman via talk]

That is very neat; thank you for sharing it!

I am going to poke around the source and see if I can make any sense of it
:-)

On Wed, Apr 3, 2024, 14:38 Ron / BCLUG via talk  wrote:

>
> CBC has a story up today (about "Buried rivers flow under Canadian
> cities...").
>  > Discover where ancient rivers flow under Canadian cities | CBC News
>  >
>  > Ancient rivers once nourished and protected the lands where we built
>  > our biggest cities. Now, they’re buried underground. Is it finally
>  > time to let them see daylight?
>  >
>  > https://newsinteractives.cbc.ca/features/2024/daylighting-rivers/
>
>
> The design of this page is outstanding! A lot of parallax effects,
> things fade between section, gentle rotation zoom effects, videos,...
>
>
> I've seen similar on BBC in the past, but even then, this is next-level
> web page design.
>
>
>
> I highly recommend scrolling through it, if for simply marvelling at the
> presentation. It's as beautiful as any web design can be.
>
>
> Kudos to
>
>  > Design and development: Andrew McManus, Adam Nyx, CBC News Labs
>
>
> rb
> ---
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Re: [GTALUG] War Story: adding RAM to a laptop can increase the speed

[William Witteman via talk]

On Wed, 21 Feb 2024 at 07:24, William Park via talk  wrote:

>
> On 2024-02-19 20:32, mwilson--- via talk wrote:
> > My main desktop is a Raspberry Pi 4B+ with 8GiB.
>  > ...
>
> I don't believe you.  What do you use for main disk?  I tried doing this
> with Odroid (top of the line in this embedded space), but got fed up
> with all the hassles.
>

Please don't do this. This list survives because people willingly read it -
publically doubting other people, who you have no idea about, makes this
list much less useful or welcoming.

Other people, faced with the same trade-offs that any of us face, will make
different choices.

If you want to know about how and why someone uses a Raspberry Pi for a
desktop, ask a question - ask 6! But, please, consider that you are
broadcasting your judgement to a whole list, and that other people may take
that as hostile and simply go somewhere else.

"Be curious, not judgemental."

Thanks.
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[GTALUG] Re-creating a Wordpress Installation

[William Witteman via talk]

I am hoping to benefit from the experience of the group.

I have to recreate a wordpress-based website for work, from partial
information.

I have a database dump, and the contents of the web root - which gives me
hope that this is possible.

What I don't have are any configuration files for the webserver, and this
wordpress site used to live as a subfolder of another domain which has not
been renewed - like http://expired.com/my_wordpress_site

I also don't have the .htaccess file for the site.

I put the files on my local Debian box, and re-created the database, but
all the links on the site are broken, because they still try to resolve
expired.com. I changed the siteurl in wordpress, but the problem persists,
and I am at a loss.

Anyone have any advice?
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Re: [GTALUG] Websites down after upgrade

[William Witteman via talk]

Everything was fine.

Something went wrong during the upgrade and one of the troubleshooting
things I tried was to uninstall and reinstall apache. I didn't realize that
that disabled all of the sites and modules.

On Fri, Sept 15, 2023, 10:40 William Park via talk  wrote:

> That begs a question... how was it before the upgrade?
> --
>
> On 2023-09-15 10:03, William Witteman via talk wrote:
> > FIXED!
> >
> > I looked at /etc/apache2/ports.conf, and the "Listen 443" directives are
> > wrapped in a conditional that requires the ssl module.
> >
> > So I ran
> > sudo a2enmod ssl
> > ...and then
> > sudo systemctl restart apache2
> >
> > Now all my sites are back. Thank you!
> ---
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Re: [GTALUG] Websites down after upgrade

[William Witteman via talk]

FIXED!

I looked at /etc/apache2/ports.conf, and the "Listen 443" directives are
wrapped in a conditional that requires the ssl module.

So I ran
sudo a2enmod ssl
...and then
sudo systemctl restart apache2

Now all my sites are back. Thank you!


On Fri, 15 Sept 2023 at 09:56, William Witteman  wrote:

> Thank for your the hint!
>
> I think that the HTTPS redirect isn't working.
>
> The curl --head $site gives me this:
> HTTP/1.1 301 Moved Permanently
>
> But it doesn't connect to port 443.
>
> sudo netstat -ntupl | grep :443 doesn't show anything. Perhaps I am
> missing a Listen 443 directive?
>
> Similarly, if I hit the bare IP address I get the default virtual host,
> and if I "lynx localhost" I see the same, so Apache and PHP are definitely
> in play.
>
>
> On Fri, 15 Sept 2023 at 09:04, BCLUG via talk  wrote:
>
>> William Witteman via talk wrote on 2023-09-15 05:47:
>>
>> > The websites are a mix of static pages and Wordpress blogs - all
>> Virtual
>> > Hosts.
>> >
>> > None of them resolve, and I am getting "unable to connect" messages -
>> > but nothing is showing up in the /var/log/apache2/error.log or the
>> > access.log.
>>
>> Do the vhosts have separate log files? If so, anything in those
>> indicating an issue?
>>
>>
>> > Apache is running - I can see the restarts in the error log - but
>> > nothing is happening when I try to hit a page.
>>
>> Anything revealed by running
>>
>> `curl --head $site`
>> `curl --head --location $site`
>>
>> ?
>>
>>
>> > Does this ring any bells for anyone? Is there a new configuration
>> > wrinkle that I didn't adapt to?
>>
>> I don't run Debian, it doesn't ring any bells, but I thought I'd throw a
>> couple ideas out there to see if it helps at all.
>>
>>
>> rb
>>
>> ---
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Re: [GTALUG] Websites down after upgrade

[William Witteman via talk]

Thank for your the hint!

I think that the HTTPS redirect isn't working.

The curl --head $site gives me this:
HTTP/1.1 301 Moved Permanently

But it doesn't connect to port 443.

sudo netstat -ntupl | grep :443 doesn't show anything. Perhaps I am missing
a Listen 443 directive?

Similarly, if I hit the bare IP address I get the default virtual host, and
if I "lynx localhost" I see the same, so Apache and PHP are definitely in
play.


On Fri, 15 Sept 2023 at 09:04, BCLUG via talk  wrote:

> William Witteman via talk wrote on 2023-09-15 05:47:
>
> > The websites are a mix of static pages and Wordpress blogs - all Virtual
> > Hosts.
> >
> > None of them resolve, and I am getting "unable to connect" messages -
> > but nothing is showing up in the /var/log/apache2/error.log or the
> > access.log.
>
> Do the vhosts have separate log files? If so, anything in those
> indicating an issue?
>
>
> > Apache is running - I can see the restarts in the error log - but
> > nothing is happening when I try to hit a page.
>
> Anything revealed by running
>
> `curl --head $site`
> `curl --head --location $site`
>
> ?
>
>
> > Does this ring any bells for anyone? Is there a new configuration
> > wrinkle that I didn't adapt to?
>
> I don't run Debian, it doesn't ring any bells, but I thought I'd throw a
> couple ideas out there to see if it helps at all.
>
>
> rb
>
> ---
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[GTALUG] Websites down after upgrade

[William Witteman via talk]

Last night I ran an upgrade of my server (Debian trixie/sid), and
afterwards none of my websites are working.

Server version: Apache/2.4.57 (Debian)

The websites are a mix of static pages and Wordpress blogs - all Virtual
Hosts.

None of them resolve, and I am getting "unable to connect" messages - but
nothing is showing up in the /var/log/apache2/error.log or the access.log.

Apache is running - I can see the restarts in the error log - but nothing
is happening when I try to hit a page.

Does this ring any bells for anyone? Is there a new configuration wrinkle
that I didn't adapt to?

Thanks for any help you can provide.

Wililam
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Re: [GTALUG] Checking TLS certificates across multiple machines

[William Witteman via talk]

Giles, I also wanted to thank you for posting this. I am probably not going
to use it, because I use certbot, but the layout and approach shown in your
bash script is really interesting. There is a lot to learn, even though I
do all of this kind of work with Python.

Thanks again!


On Wed, 26 Apr 2023 at 08:57, Giles Orr via talk  wrote:

> Three weeks ago I mentioned to a couple people on this mailing list
> that I'd written a script at work that live-checks TLS certificates
> across multiple machines.  This is a very useful thing to have when
> one of my jobs is maintaining multiple small websites.  One of these
> people responded that I should give a short talk about this project,
> and added "Most of us do a little sys-admining and can learn from the
> pros."  At which point I burst out laughing ... and realized Imposter
> Syndrome had reared its ugly head once again.  A "professional" is
> someone who gets paid to do a job, and I am that.  Doesn't mean I feel
> like a "professional sys-admin," even though I am - more of a
> professional jack-of-all-trades ...  But "Imposter Syndrome" is
> another huge discussion ... we now return you to our irregularly
> scheduled programming.
>
> That message prompted me to talk to my bosses, one of whom not only
> endorsed my idea of publicly releasing this code, but did so
> enthusiastically.  My thanks to Toronto Public Library for that.  And
> so I give you:
>
> https://github.com/gilesorr/robotface-utils
>
> (The naming is a weird story - explanation in the README if you're
> curious.)
>
> Given a list of fully qualified domain names, the 'chkcertexpiry'
> script goes to each one, retrieves the TLS certificate, and lists the
> expiry date and issuer.  If the expiry date is soon (number of days
> settable by a command line switch) the date is colour-highlighted.  If
> there are connection problems, those are noted.
>
> At work, I run this once a week against all the sites I'm responsible
> for.  I don't think we've had an expired cert on any of those domains
> in the 5-7 years I've been using this script.
>
> I hope people will use this.  I welcome comments and suggestions.  I'm
> a little scared of PRs because I've never had to deal with them before
> ...
>
> Please feel free to share as you think appropriate.
>
> --
> Giles
> https://www.gilesorr.com/
> giles...@gmail.com
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Re: [GTALUG] a solved problem unsolved itself: WordPress, MySQL, UTF-8

[William Witteman via talk]

WordPress updates the database when it upgrades, so it entirely possible
that the database is profoundly changed by an upgrade.

I dump my WordPress database daily and back it up (I also use rsync to keep
an updated collection of media (mostly photos) in the wp-content folder,
because I hate losing or reconstructing my blogs.

I don't have any insight into the issue mentioned by OP though.

On Mon., Nov. 29, 2021, 13:54 D. Hugh Redelmeier via talk, 
wrote:

> | From: Stewart C. Russell via talk 
>
> | On 2021-11-27 18:04, D. Hugh Redelmeier wrote:
> | >
> | > Do you have shell access?  I think you imply "yes".
> |
> | Yes, I do, but not to the database server. All I have for that is socket
> | access and PHPMyAdmin (blecch).
>
> Ahh.  Kind of "no".
>
> | > Does "fix it" mean "changed the raw data" or mangle the data somewhere
> | > downstream of the disk files?
> |
> | "fix it" meant "broke it".
>
> I quoted "fix it" because I understood that.
>
> | The MySQL DB tables seem to have been quietly
> | reprocessed from one encoding to another.
>
> That seems (1) odd and (2) rude.
>
> Is there a chance that the problem is actually in presenting the data
> (due to some incorrect setting of a locale somewhere)?
>
> Can you ask you supplier just what happened, why, and if they can
> reverse it for you?
>
> There is a chance that the transformation was bijective (or at least
> injective) and thus reversible.
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Re: [GTALUG] Was Re: Heads up: Ubuntu 21.10 kills your desktop icons now - keyboards

[William Witteman via talk]

I have had good success with Redragon keyboards - they're built like tanks
but they are very reasonably priced.  Knowing what colour of key you like
is important (I like loud and clicky), but you can get a solid keyboard for
less than $50, which is an outstanding price.  They tend to come with key
pullers and spare switches, which is a great touch.

On Thu., Oct. 21, 2021, 14:26 Evan Leibovitch via talk, 
wrote:

>
> I use an IBM model M keyboard.  I bought a few of them years ago, for $5
>> each.  They are excellent keyboards and built like a tank. There is a
>> company in the U.S. making new ones and they even have a Linux version,
>> with a Tux key.
>>
>
> And they come in black, now, too, with a choice of USB or PS/2 connector.
> 
>
> Not $5 but not bad.
>
> There are no specific Linux keyboards, but they do sell Linux keycaps
> that can replace the
> Windows keys for those who want it.
> - Evan
>
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Re: [GTALUG] Enlarging /boot

[William Witteman via talk]

On Wed., Oct. 13, 2021, 18:08 Bob Jonkman via talk,  wrote:

>  > As Lennart points out, /boot can't be an LVM,
>
> ... shows that booting from an LV
> without a separate /boot partition has been possible for a long time.
>

Oops.  I misread something.  Thanks!

But to address William's problem of an overfull /boot partition: I have
> sometimes rescued a system by just deleting the oldest kernel images to
> free up space in boot (or / ) with a rescue CD or USB stick, allowing
> the system to boot again to fix up the slightly broken repository
> (usually by re-installing the most recent kernel update that overflowed
> /boot in the first place).
>

Yeah, the problem was the comically, "full of clowns" tiny space that
didn't allow two kernels (234 Mb), so I could either keep the known-good
kernel, or the new one, but not both :-P

I far prefer the way it's set up now, with / and /home, and I probably
won't have to worry about this system until I replace it.

Thanks!

>
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Re: [GTALUG] Enlarging /boot

[William Witteman via talk]

Thanks to everyone who responded!

As Lennart points out, /boot can't be an LVM, and the whole rest of the
disk was an LVM partition.  Those get bigger easily, but not smaller.

It was easiest for me to copy my /home onto a backup drive and reinstall
Debian.  My experiment with LVM and "automatic" partitions was a failure -
my workflow is better suited to a / and a /home.

Thanks again!

On Tue., Oct. 12, 2021, 10:57 Lennart Sorensen, <
lsore...@csclub.uwaterloo.ca> wrote:

> On Thu, Oct 07, 2021 at 10:45:57PM -0400, William Witteman via talk wrote:
> > When I installed Debian on my current computer, I (foolishly) let the
> > install script partition my disk.  Now I have a /boot partition that is
> too
> > small.
> >
> > The system is using lvm, and I have enough free space on /home that I can
> > reduce the size of /home by a couple of Gb, and then in theory allocate
> > that to my ridiculously undersized /boot partition.
> >
> > Back in the old days I knew how to do this, but with lvm I don't know
> how,
> > and of the (many) questions and answers that I have found I haven't seen
> > one that inspires confidence.
> >
> > So...
> >
> > 1) Do I need to make a boot drive?
> > 2) Does anyone know a nice set of instructions?
>
> Well you may in fact need a boot drive since you are using LVM for / and
> something has to boot the system to a ramdisk to start lvm to mount root.
>
> gparted livecd can definitely expand LVM PV, but not sure about shrinking
> them.
>
> What is the current partition table?
>
> --
> Len Sorensen
>
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Re: [GTALUG] Enlarging /boot

[William Witteman via talk]

Thanks for the response!  My /boot partition is 239Mb, which is just small
enough that a particularly chunky kernel and an upgrade to it is too much.

I am not in a big hurry to delete the kernel image I am actively using to
make space for the upgraded one - 'cause every 5 years or so I need to boot
from an old kernel, and I'd like to be able to.

On Fri, 8 Oct 2021 at 11:37, Kevin Cozens via talk  wrote:

> On 2021-10-07 10:45 p.m., William Witteman via talk wrote:
> > When I installed Debian on my current computer, I (foolishly) let the
> > install script partition my disk.  Now I have a /boot partition that is
> too
> > small.
>
> How small is your /boot partition? Are you using it for more than just the
> kernel files needed to boot your system?
>
> I have a /boot that is way bigger than I really need but I wanted room to
> keep multiple kernels so I can test out different distros that may require
> different kernels. Allowing 100M per kernel should be more than enough
> space. I currently have two kernels and they only use 153M of disk space.
>
> > The system is using lvm
>
> I don't use lvm so I can't help with that. All I can say is that when I
> have
> needed to adjust partition sizes I use gparted. That might not help you.
>
> --
> Cheers!
>
> Kevin.
>
> http://www.ve3syb.ca/   | "Nerds make the shiny things that
> https://www.patreon.com/KevinCozens | distract the mouth-breathers, and
>  | that's why we're powerful"
> Owner of Elecraft K2 #2172  |
> #include  | --Chris Hardwick
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[GTALUG] Enlarging /boot

[William Witteman via talk]

Hello!

When I installed Debian on my current computer, I (foolishly) let the
install script partition my disk.  Now I have a /boot partition that is too
small.

The system is using lvm, and I have enough free space on /home that I can
reduce the size of /home by a couple of Gb, and then in theory allocate
that to my ridiculously undersized /boot partition.

Back in the old days I knew how to do this, but with lvm I don't know how,
and of the (many) questions and answers that I have found I haven't seen
one that inspires confidence.

So...

1) Do I need to make a boot drive?
2) Does anyone know a nice set of instructions?

Thanks!
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Re: [GTALUG] How to cut out borders of image?

[William Witteman via talk]

The way I do this is to go to Image -> Canvas Size.

I set the width to the correct dimension and then drag the picture in the
preview back and forth until I am happy with where it is cut.

On Sun, 5 Sept 2021 at 22:00, William Park via talk  wrote:

> Not really Linux related except for the fact that GIMP in Linux.
>
> I have an image that is too large.  I don't want to reduce the whole
> image.  I just want to cut out left and right borders, like you would do
> with scissors.  How do you do that with GIMP (I assume it would be GIMP
> thing).
>
> In Windows, I just move the left/right edges with mouse.  Searching
> online for GIMP answers, I get things like transparent layer, selection
> layer, etc. :-(
>
> --William
>
>
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[GTALUG] Docker, NodeJS and complexity

[William Witteman via talk]

I have some existing projects to contribute to that use NodeJS and Docker,
and I am finding that getting set up to work on them is extremely daunting.

I have never really used Docker.  I have never really used NodeJS/npm/etc.

I do know Javascript, but I don't build projects like this - it reminds me
of Ruby-on-Rails, which I found to be a huge snarl of complexity.

I know that the initial development was done on Macs, but in theory at
least, I should be able to set up the Docker container and use that to get
me into an equivalent development environment, but I don't really know how.

Does anyone have a Debian-flavoured tutorial for setting up Docker/NodeJS
so that I can build and run someone else's code?

Thanks!
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Re: [GTALUG] ot: headphone jac replacement?

[William Witteman via talk]

In that case, you could try to repair the broken bit with something
moldable like sugaru (sp?) or another moldable plastic, but I would tend to
go with Don's suggestion, as those parts are generally pretty disposable.

On Tue., Apr. 20, 2021, 20:15 Karen Lewellen via talk, 
wrote:

> Okay, this is why I love  the list.
> My description is clearly faulty.
> What I am speaking of is the circle connector into which you plug the
> headphone itself.
> as if, had I a really small  hmm wrench? twisting it the other way would
> have  kept the external  port in place.
> The internals worked perfectly fine, I just   cannot plug in the
> headphones because the external round connector is gone.
> Does that make better sense?
> Kare
>
>
>
> On Tue, 20 Apr 2021, Don Tai via talk wrote:
>
> > A headphone jack usually has left and right channels, plus a ground, so
> > only 3 wires.
> >
> > You will need to take the device cover off, determine if one of the
> > connections is loose/cracked. If the connection is loose or cracked then
> > you resolder the joint and you're done. Check the connection with a
> > multimeter. If the plug is worn out you will need to unsolder the 3
> > connections, remove the old (may be physically attached to the
> board/cover,
> > reinstall the new plug to the board/cover, resolder the 3 wires, check
> > connectivity with a multimeter.
> >
> > You will need:
> > -tools to remove the cover: screwdrivers of all sorts, pry tool,
> depending
> > on the cover. it does vary a lot
> > -soldering iron, solder
> > -replacement 3.5mm audio plug
> > -multimeter: to check if the soldered joint is electrically connective.
> >
> > That's it.
> > Don.
> >
> > On Tue, 20 Apr 2021 at 19:00, Karen Lewellen via talk 
> > wrote:
> >
> >> I might add  during the current lock down?
> >> Here is the scoop
> >> The primary device i use as my computer's speech synthesizer source has
> a
> >> 3.5 inch headphone jack, which has been getting looser over the past
> week
> >> or so.
> >> While I had hoped to find a way to tighten it before a disconnect, that
> >> hoped was dashed this afternoon.
> >> I do have the jac, in fact I have a spare, what I am wondering though
> is a
> >> couple of things.
> >> first, if I want to try, or must try reattaching this myself,  which
> tool
> >> do I need? screwdriver, or wrench?..or something else?
> >> If I want it done by someone else, for which I would happily pay even if
> >> moving the machine might be a dance, where in Toronto might I take it in
> >> for the work?
> >> In theory it is rather important, the replacement  synthesizer is s
> slight
> >> fire risk, as its casing is broken around the plug in area for its
> >> adapter.
> >> Also, it sounds like it has a could, which may become frustrating as I
> use
> >> my computer rather a great deal these days.
> >> Ideas?
> >> Thanks,
> >> Karen
> >>
> >>
> >> ---
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Re: [GTALUG] The FOSS world's most famous incel is back...

[William Witteman via talk]

The primary activity of this list is one of empathy - tech support.  We
often help one another, even if we're not having a problem.  RMS doesn't
have to be your problem to be an problem our little community should help
fix.

RMS is like an outdated library included in otherwise useful software - it
makes it basically unusable and unmaintainable.  If that software is the
first thing someone tries to use, they get so fed up with it that they
leave and never come back.

He is so toxic to be around that free software has lost many people forever
who would have been amazing.

What Evan is suggesting, and I am endorsing, is that we file a bug report.

On Wed., Mar. 24, 2021, 07:18 o1bigtenor via talk,  wrote:

> On Tue, Mar 23, 2021 at 8:46 PM Evan Leibovitch via talk
>  wrote:
> >
> > ... hopefully, not for long.
> >
> >
> https://arstechnica.com/tech-policy/2021/03/free-software-advocates-seek-removal-of-richard-stallman-and-entire-fsf-board/
> >
> > I propose that GTALUG as an organization add its name to the petition,
> already signed by a healthy cross section of the FOSS world.
> >
> > https://rms-open-letter.github.io/
> >
>
> tl;dr
> IMHO the complete brouha is political correctness run amok!
>
> I would request that we return to the matter at hand - - - - computers
> and computing and its tools and leave the
> political correctness to the bureaucratic elite for whom it has become
> a driving passion.
> One needs to remember that the language of political correctness was
> design to allow one to describe how to pick up a turd by its clean
> end.
> Secondly the bigger the bureaucracy the greater the likelihood that it
> is a refuge for the unable, the unwilling and/or the incompetent.
> Sloth and indogence are rewarded rather than activity and output.
> This present direction is in process of destroying our society with
> that end looming very very close.
>
> Regards
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Re: [GTALUG] Importing mbox into Thunderbird?

[William Witteman via talk]

I have been sitting on this question for ages, because I have had similar
problems (long ago now) when I was moving between email clients.

I don't have my fingertips on a solution, if one is still needed, but here
are two approaches that might work:

1.  Stand up a mailserver (there are some very simple ones), and use that
to import your mail into Thunderbird.  This may require converting your
mbox file into something else, but this is an old problem that has
established tools.

2.  Figure out what format Thuderbird wants to store mail in, convert that,
and move it into the expected place for mail in the filesystem.  This may
require rebuilding an index for your mailbox, but the last time I used
Thunderbird it wasn't hard to do that.

Good luck!

On Sat, 13 Feb 2021 at 13:52, William Park via talk  wrote:

> I'm beginning to like Thunderbird.  It replaces fetchmail, procmail,
> sendmail, mutt, and vim for mailing.  I miss vim, though.
>
> Now, the question on hand... I have lots of "mbox" format files of old
> emails.  How do I import into Thunderbird?  Online talks about "Import MBOX
> file" under "Tools".  But, mine (68.12.0) don't have such entry.
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Re: [GTALUG] SSL Certs for both web and email servers

[William Witteman via talk]

On Thu, 3 Dec 2020 at 18:13, Giles Orr  wrote:

> Heh - you top-posted, and I'm too lazy to fix the sequencing so now we
> have mixed post order ... oh well!

Drat - it's true.  Sorry.

Certbot sets up the renew scripts, but I'll set a calendar flag to
make sure that it works as expected.

They really have made it incredibly easy, though it took a lot of
looking to find the --expand option and what it could do for me.

The only downside to that is that it is a lot harder to unbox the
black box if something goes sideways - at least I can read the code
though :-)
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Re: [GTALUG] SSL Certs for both web and email servers

[William Witteman via talk]

Thanks for your help!

I have not yet set the redirects from http -> https, but the result
was achieved *much* more easily than I would have expected.

I have an existing cert that I set up as a standalone, which dovecot
has been using happily for a few years.  I did not know that I could
expand what that cert covers, but the good people at EFF have made
this very easy.

I used this command and it Just Worked(TM):

sudo certbot -d
comma,separated,list,of,each,domain,and,subdomain,including,the,ones,already,in,place
--expand

And after a moment, all of my domains and subdomains are under the
single umbrella that I already had.

Note that the above list includes three different domains and a half
dozen subdomains, all of which seem to just work now.

Thanks again!

On Tue, 1 Dec 2020 at 06:37, ac via talk  wrote:
>
> On Tue, 1 Dec 2020 03:34:06 -0500
> John Sellens via talk  wrote:
> > On Tue, 2020/12/01 08:16:49AM +0200, ac via talk 
> > wrote: | > I have three domains and a small but invariant number of
> > subdomains | > that I want to encrypt - should I try to pull them all
> > under one SSL | > cert, or do one for each domain, or one for every
> > subdomain?  I don't | > need a wildcard, but I would like something
> > relatively painless if | > possible.
> > |
> > | yes, in your case, and for painless and easy, just use the domain
> > name | and one cert. so, instead of mail.example.com and
> > www.example.com | - just use example.com.
> >
> > I think that might cause client complaints in some cases.
> >
> imho i do not think with three domains this will be an issue.
>
> what is the point of having mail.example.com if the IP number for
> mail.example.com is the same as example.com ? the same can be asked
> about imap.example.com and pop.example.com etc.
>
> This is just wasteful and increases the risk of issues, ads complexity
> and does not serve any "real" technical, logical or functional purpose.
>
> The reason why mail.example.com used to be prevalent - pre container -
> was because mail.example.com - was at a different IP number / different 
> network
> even...
>
> And, actually even if you had 100 domains on one server: reducing
> complexity, reducing the amount of DNS lookups and reducing pebcac,
> reducing comms, reducing traffic, reducing load and reducing wastage -
> means:
>
> You are making it easier for clients
>
> And : You are even saving cycles, saving electricity, saving network
> traffic and TOOOTEROOO:
>
> Saving the planet
>
> in case you did not know: In 2020 - 2030 - we will still get the vast
> majority of our power from non sustainable fossil sources. so, we
> should all try to be less wasteful, mind you, now with Alaska being
> strip mined and auction sold, the planet has a lot more to waste.
>
> > I think letsencrypt now provides wildcard certifications, but you
> > can use mutliple -d options when creating or updating a certificate
> > e.g.
> >
> >   certbot certonly \
> > --non-interactive \
> > --expand \
> > --webroot \
> > -w /var/www/html/letsencrypt \
> > --cert-name www.example.com \
> > -d example.com \
> > -d mail.example.com \
> > -d blog.example.com
> > And then the one certificate is valid for all those names.
> >
> a small number of invariant sub domains usually means
> www.example.com, pop.example.com, mail.example.com,
> imap.example.com and in this case - x3 domains
>
> but, one could also wildcard (*) just simply -d *.example.com and add
> _acme-challenge TXT record to example.com dns zone
> (auth: preferred-challenges=dns - when you apply for cert)
>
> depending on your resources and very importantly, your dns servers
> timeouts, rate_limits and other issues, there could be pain/risk with
> multiple/many -d every 90 days
>
> > Hope that helps - letsencrypt is really remarkably convenient.
> >
> indeed it is.
>
> > John
> > ---
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[GTALUG] SSL Certs for both web and email servers

[William Witteman via talk]

Hi!

Can I use the same SSL (from letsencrypt) cert for both web and email traffic?

I have three domains and a small but invariant number of subdomains
that I want to encrypt - should I try to pull them all under one SSL
cert, or do one for each domain, or one for every subdomain?  I don't
need a wildcard, but I would like something relatively painless if
possible.

I use Apache2 for web (running virtual servers) and Dovecot for
inbound email.  There are a lot of old tutorials, but I haven't found
one that answers my questions quite yet.

Thanks!
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Re: [GTALUG] Group knowledge base

[William Witteman via talk]

At the Very Large Company that I am currently on furlough with, we've
been using Atlassian's Confluence.

It is not better than a wiki, but since we're using Jira, the
integration with that plus the fact that it's a vendor we already have
a relationship with won the day.

Any web-based solution with permissions and integration with your
communications, ticketing, source control, and calendar solution will
be better than a document-based system.

If you are small, and you're going to stay small, almost anything
works.  The ability to add something to the documentation from a
client site from your phone should be the minimum usability hurdle.

On Fri, 30 Oct 2020 at 09:06, James Knott via talk  wrote:
>
> On 2020-10-29 10:17 p.m., William Park via talk wrote:
> > How do you or your company maintain group "knowledge base"?  I guess,
> > wiki for internal stuffs.
>
> When I was at IBM, we used Lotus Notes.  However, these days, don't
> companies use HTML and whatever goes into making web sites?  There are a
> lot of Wikis around that do what you seem to want.
>
>
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Re: [GTALUG] Apache fails after upgrade

[William Witteman via talk]

On Thu, 8 Oct 2020 at 11:38, Lennart Sorensen
 wrote:
>

> OK, what do you get from this:
>
> dpkg -l |grep linux-image
>
> Maybe you have the new kernel installed, but the boot loader isn't
> configured to use it.

Bingo!  I am not sure why, but I'm definitely not getting the latest
of the installed images as my default.  It's a remote VM from ovh.ca,
so I never see a GRUB screen.

The uptime is less than two days, because this issue happened after a reboot.

Interesting wrinkle, is that I don't seem to have grub or grub2 installed.
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Re: [GTALUG] Apache fails after upgrade

[William Witteman via talk]

On Thu, 8 Oct 2020 at 10:43, Lennart Sorensen
 wrote:
>
> On Thu, Oct 08, 2020 at 10:34:12AM -0400, Lennart Sorensen via talk wrote:

> > That kernel is your problem.  That in no way has any business being
> > on debian testing.  Current Debian stable uses 4.19.  Previous stable
> > was 4.9.  3.16 is from at least 5 years ago and certainly is missing a
> > ton of features required by any system these days.

Good to know!

I may have somehow got a bad repository?  Here's why I think that:
sudo apt full-upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

...and:

linux-image-amd64 is already the newest version (5.8.10-1).

What's weird is that the apt sources seems pretty standard:
sudo head /etc/apt/sources.list
deb http://ftp.debian.org/debian/ testing main

deb http://security.debian.org/ testing-security main
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Re: [GTALUG] Apache fails after upgrade

[William Witteman via talk]

On Thu, 8 Oct 2020 at 09:57, Lennart Sorensen
 wrote:
>
> On Wed, Oct 07, 2020 at 09:43:37PM -0400, William Witteman via talk wrote:
> > Yes, it's all from testing - I just apt-get installed it, and didn't
> > do anything clever.
>
> So what kernel version do you have running (uname -a)
> Which glibc version (dpkg -l libc6)
> Which apache version (dpkg -l apache2)

Linux vps62474.vps.ovh.ca 3.16.0-4-amd64 #1 SMP Debian 3.16.51-2
(2017-12-03) x86_64 GNU/Linux
ii  libc6:amd642.31-3   amd64GNU C Library: Shared libraries
ii  apache22.4.46-1 amd64Apache HTTP Server

Thanks for looking into this!
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Re: [GTALUG] Apache fails after upgrade

[William Witteman via talk]

On Wed, 7 Oct 2020 at 18:38, Lennart Sorensen
 wrote:

> Did you install apache from testing too?  Is everything consistently
> installed from testing?

Yes, it's all from testing - I just apt-get installed it, and didn't
do anything clever.
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Re: [GTALUG] Apache fails after upgrade

[William Witteman via talk]

On Wed, 7 Oct 2020 at 09:44, Lennart Sorensen
 wrote:
>
> On Tue, Oct 06, 2020 at 05:10:19PM -0400, William Witteman via talk wrote:
> > I recently upgraded my webserver, and now Apache isn't starting.  I
> > have made no changes to the configuration - the only other this that I
> > did was to install php-curl.
> >
> > My error is this:
> > [:crit] [pid 1574] (38)Function not implemented: AH00141: Could not
> > initialize random number generator

> It sounds like either your kernel or glibc are too old (or not configured)
> to support the getrandom system call.
>
> Was the apache built for a different release than you are running?

These are good thoughts - that's what makes this so weird, as I am
running standard Debian "testing", and I've got both /dev/random and
/dev/urandom.  I tried digging into the source of Apache to see if
there's a nuance to the call, but I don't know enough about Apache to
even find the error code (which I would have thought would be pretty
easy, but no.)

My temporary work-around has been to change my whole webserver, and
got nginx installed and configured for all of my domains, but it's a
very brute force approach, and took a couple of hours, as I don't
really know nginx.
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[GTALUG] Apache fails after upgrade

[William Witteman via talk]

I recently upgraded my webserver, and now Apache isn't starting.  I
have made no changes to the configuration - the only other this that I
did was to install php-curl.

My error is this:
[:crit] [pid 1574] (38)Function not implemented: AH00141: Could not
initialize random number generator

There are a few things that I have seen online, but none have lead to
a resolution.

Anyone have any thoughts?

Thanks!
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Re: [GTALUG] (off topic) What power bank should I avoid?

[William Witteman via talk]

I have been very happy with Anker brand power banks - they're nicely
made, very reasonably priced and just work and work and work.

I am very unhappy with Amazon, which is where I bought them, but
everything I have bought with that brand (including a fantastic set of
bluetooth headphones) has been lovely.

On Sun, 17 May 2020 at 21:28, William Park via talk  wrote:
>
> My LG Nexus 5X died, and I'm temporarily using an old Samsung Galaxy S3
> with poor battery.  I may need to use a power bank, until I get a new
> phone.
>
> Which power bank do you recommend (or not recommend)?
> --
> William Park 
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Re: [GTALUG] VM Support in Linux

[William Witteman via talk]

Thank you for your help!

My CPU isn't relevant to this - I have determined that it predates
these features.

The CMOS battery is definitely an easy fix, and I even have CR2032s
kicking around - it's just never been important enough to fix.

I was looking for any warning or things I should watch out for getting
a new system.  Thanks.

On Wed, 25 Mar 2020 at 14:19, Lennart Sorensen
 wrote:
>
> On Wed, Mar 25, 2020 at 01:02:36PM -0400, William Witteman via talk wrote:
> > Yeah, that's the crux of it - my CPU is definitely 10+ years old.
> >
> > The magic of Linux has meant that my quad core machine with 2 Gb of
> > RAM has been serving me well for a decade.
> >
> > The only problem the machine has given me is that the CMOS battery
> > died, so I have to reset the time whenever there's a power outage.
>
> On many motherboards the battery is a plain old CR2032 in a pop in holder.
> Worth checking if it would be trivial to swap out.
>
> So what CPU model is it?
>
> --
> Len Sorensen
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Re: [GTALUG] VM Support in Linux

[William Witteman via talk]

Yeah, that's the crux of it - my CPU is definitely 10+ years old.

The magic of Linux has meant that my quad core machine with 2 Gb of
RAM has been serving me well for a decade.

The only problem the machine has given me is that the CMOS battery
died, so I have to reset the time whenever there's a power outage.

Thanks to all!

On Wed, 25 Mar 2020 at 12:25, Lennart Sorensen
 wrote:
>
> On Mon, Mar 23, 2020 at 03:45:30PM -0400, William Witteman via talk wrote:
> > I am poking around in Android development, and I have run into a snag
> > as my machine is pretty old, and doesn't have, or doesn't have
> > enabled, some virtual machine features.  Specifically:
> >
> > > To use VM acceleration on Linux, your computer must also meet these 
> > > requirements:
> > >
> > > For Intel processors: Support for Virtualization Technology (VT-x), Intel 
> > > EM64T (Intel 64)
> > > features, and Execute Disable (XD) Bit functionality enabled.
> > > For AMD processors: Support for AMD Virtualization (AMD-V).
> >
> > I am not at all sure that my machine will do this - if I was looking
> > for a new machine, are there any caveats, warnings, red flags to watch
> > for?  I'd prefer not to have to spend a ton of time/money thinking
> > about my hardware - I'd like it to run Debian with as little messing
> > about as possible.
>
> How old is your machine?  Those features have been available on most
> machines for 10+ years, although sometimes you have to change a BIOS
> setting to enable them.
>
> /proc/cpuinfo ought to show if it is available.
>
> --
> Len Sorensen
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[GTALUG] VM Support in Linux

[William Witteman via talk]

I am poking around in Android development, and I have run into a snag
as my machine is pretty old, and doesn't have, or doesn't have
enabled, some virtual machine features.  Specifically:

> To use VM acceleration on Linux, your computer must also meet these 
> requirements:
>
> For Intel processors: Support for Virtualization Technology (VT-x), Intel 
> EM64T (Intel 64)
> features, and Execute Disable (XD) Bit functionality enabled.
> For AMD processors: Support for AMD Virtualization (AMD-V).

I am not at all sure that my machine will do this - if I was looking
for a new machine, are there any caveats, warnings, red flags to watch
for?  I'd prefer not to have to spend a ton of time/money thinking
about my hardware - I'd like it to run Debian with as little messing
about as possible.

Thanks!

William
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Re: [GTALUG] Acer Aspire 3 A315-21 laptop has mono sound only?

[William Witteman via talk]

I found several examples of stereo tests on youtube using the "stereo
test" search.  They certainly work on my headphones.

Good luck!

On Thu, 19 Mar 2020 at 10:55, Don Tai via talk  wrote:
>
> The specs on this laptop say that it is stereo. I'd be surprised if it was 
> not.
>
> https://www.acer.com/ac/en/GB/content/model/NX.GNVEK.009
>
> You could download Audacity and try recording in left or right only channels.
>
> On Thu, 19 Mar 2020 at 06:42, Ken Heard via talk  wrote:
>>
>> I think that this particular laptop has mono sound.  I have been using
>> it temporarily to stream content by HDMI to a LG HD monitor and then by
>> fibre optical cable to a NED D3020 V2 hybrid amplifier and finally to a
>> pair of bass reflect speakers.  Unfortunately sound comes out of only
>> one speaker.
>>
>> After extensive tests I have determined to my satisfaction that the
>> problem is in the laptop.  I can test the two speakers built in the
>> laptop separately, but I have no way of knowing whether the sound so
>> produced is mono or stereo.  I could find no specs for this laptop with
>> details about the sound card.
>>
>> Lack of such specs indicates to me that Acer does not want people to
>> know that this laptop is mono only. Is mono sound the norm for low
>> market laptops such as this one and notebooks?
>>
>> Ken Heard
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Re: [GTALUG] Hardcore sed foo

[William Witteman via talk]

No sed knowledge here, but what if you turn it around, and grab two
characters and conditionally truncate, rather than the other way around?

My only useful programming advice is when you get stuck, turn your problem
around.

On Mon., Nov. 4, 2019, 18:31 Giles Orr via talk,  wrote:

> I've tinkered with Bash prompts for a lot of years.  That's where this
> problem originates, but it can be considered just as a thought experiment
> if you prefer.
>
> We have the directory we're in, for example:
>
> /Users/gorr/.bashprompt/really/deep/directory/structure/even/deeper
>
> (I keep my prompts in ~/.bashprompt/ , and a very long directory name is
> often a cause of breakage, so I keep one around to break them ...)
>
> I want to shorten the directory name to just the first letters:
>
> export newPWD=$(echo ${PWD} | sed -e "s@${HOME}@~@" -e 's@
> \(/.\)[^/]*@\1@g')
> echo $newPWD
> ~/./r/d/d/s/e/d
>
> This does '~' replacement for $HOME and then substitutes the first letter
> of each directory for the full directory name.
>
> Here's the question: if the first letter of the directory name is a dot
> '.', can sed then capture one character more so that the output would
> become:
>
> ~/.b/r/d/d/s/e/d
>
> I think this would be pretty easy with Bash and a loop, but that's a lot
> of processing so I'd rather not go down that road.  I suspect sed is
> capable of this, but I haven't delved deeply enough into the tool to even
> know where to start.  This may in fact be a regex problem more than a sed
> problem - either way I'm kind of stumped.  I'm open to simpler
> implementations using other (standard system) tools as well.
>
> --
> Giles
> https://www.gilesorr.com/
> giles...@gmail.com
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Re: [GTALUG] [OT] mySQL help

[William Witteman via talk]

I usually have to specify a database.
use dbname
grant all on dbname...

I have not ever used phpmyadmin, but I am cautious about it, because
malicious scripts are searching my websites for it all day, every day for
at least the last 15 years.

On Wed, May 29, 2019, 01:01 Kevin Cozens via talk  wrote:

> On 2019-05-28 7:50 p.m., Stephen via talk wrote:
> > It has been years. I am creating a new site with database but I can't
> get
> > the user to have privileges.
> >
> > Can anyone spot what is wrong?
>
> You may find it useful to install phpMyAdmin. It simplifies administration
> of MySQL.
>
> --
> Cheers!
>
> Kevin.
>
> http://www.ve3syb.ca/   | "Nerds make the shiny things that
> https://www.patreon.com/KevinCozens | distract the mouth-breathers, and
>  | that's why we're powerful"
> Owner of Elecraft K2 #2172  |
> #include  | --Chris Hardwick
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[GTALUG] Anyone using React Native?

[William Witteman via talk]

I was hoping to poke at React Native a little bit, but I have been
having no end of trouble getting anything Node to work.

Specifically, I keep getting CERT_UNTRUSTED errors when I do anything
with npm in front of it.

I am using Debian testing.  If anyone is using it, I'd love some pointers.

Thanks!
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Re: [GTALUG] dmesg not reporting the mount point on USB insert

[William Witteman via talk]

Thanks to all for your help!  I dug into it, and somehow usb-storage wasn't
running.  I probably could have manually started it, but I tried a reboot
first.  That works!

Always a bit embarrassing to use the Windows solution, but when it works,
it works.

Thanks again.

On Fri, Mar 16, 2018, 13:50 Bob Jonkman via talk <talk@gtalug.org> wrote:

> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA1
>
> Or perhaps 'lsblk' will give you the info you need...
>
> - --Bob, who needs to proofread before pressing "send"
>
> On 2018-03-16 07:18 AM, Bob Jonkman via talk wrote:
> > Perhaps 'lslblk' will give you the info you need...
> >
> > --Bob.
> >
> > On 2018-03-15 05:01 PM, William Witteman via talk wrote:
> >> In the past, when I stuck a USB stick in to my computer, I would
> >> look at dmesg and see that the device had been assigned a place
> >> in /dev. This week, I can see the device's details (Lexar,
> >> Sandisk, whatever), but there is no line for where I can address
> >> that device.  Graphical file managers are also not showing the
> >> inserted media (I have tried several different sticks and card
> >> readers).
> >
> >> I imagine that something changed in Debian that has lead to
> >> this, but I can't tell what's missing. ehci is picking up the
> >> device insertion, but not giving me a place to use in a mount
> >> line. Anyone have any thoughts?
> >
> >> Thanks.
> >
> >> William --- Talk Mailing List talk@gtalug.org
> >> https://gtalug.org/mailman/listinfo/talk
> >
> >
> > --- Talk Mailing List talk@gtalug.org
> > https://gtalug.org/mailman/listinfo/talk
> >
>
> - --
> Bob Jonkman <bjonk...@sobac.com>  Phone: +1-519-635-9413
> SOBAC Microcomputer Services http://sobac.com/sobac/
> Software   ---   Office & Business Automation   ---   Consulting
> GnuPG Fngrprnt:04F7 742B 8F54 C40A E115 26C2 B912 89B0 D2CC E5EA
>
>
>
> -BEGIN PGP SIGNATURE-
> Version: GnuPG v2
> Comment: Ensure confidentiality, authenticity, non-repudiability
>
> iEYEARECAAYFAlqsA6oACgkQuRKJsNLM5erGsgCdFj3tqfXnaxycLGC48dnddUSU
> /gUAoKZ5B3BAweqOi6gQDedzRnNyKR5W
> =88Br
> -END PGP SIGNATURE-
> ---
> Talk Mailing List
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>
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[GTALUG] dmesg not reporting the mount point on USB insert

[William Witteman via talk]

In the past, when I stuck a USB stick in to my computer, I would look
at dmesg and see that the device had been assigned a place in /dev.
This week, I can see the device's details (Lexar, Sandisk, whatever),
but there is no line for where I can address that device.  Graphical
file managers are also not showing the inserted media (I have tried
several different sticks and card readers).

I imagine that something changed in Debian that has lead to this, but
I can't tell what's missing. ehci is picking up the device insertion,
but not giving me a place to use in a mount line.  Anyone have any
thoughts?

Thanks.

William
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[GTALUG] Selectively restoring WordPress posts from old SQL dump

[William Witteman via talk]

I have a bunch of WordPress blogs sharing a database, which seemed
like a good idea at the time.

Now I have a bunch of posts that were overwritten at *some* time in
the past by bad data, but my backups are good.

My backup testing works perfectly well for complete replacement, but I
don't want to do that - I want to cherry-pick for one blog of several,
and only replace posts that existed in November with the same IDs in
today's database, but leave everything else alone.

Does anyone have any thoughts?

Right now I am hoping not to have a couple of terminals open and try
to manually run UPDATEs with copy-n-paste, because that seems rather
error-prone.

Thanks!

William
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