[GTALUG] GTALUG meeting 19:30 Tuesday, Oct 10

2023-10-08 Thread D. Hugh Redelmeier via talk
(This is not the official announcement.) We will meet virutally, via Big Blue Button: The first few minutes will be our Annual General Meeting. This is where the board presents the financial statement for the past year and where we the members of

[GTALUG] Raspberry Pi 5 announced (shipping starting near the end of October)

2023-09-28 Thread D. Hugh Redelmeier via talk
Faster. Some new capabilities. US$5 increase in base price over original Raspberry Pi. --- Post to this mailing list talk@gtalug.org Unsubscribe from this mailing list https://gtalug.org/mailman/listinfo/talk

[GTALUG] New and more comprehensive CVE for libwebp

2023-09-27 Thread D. Hugh Redelmeier via talk
| Date: Sat, 23 Sep 2023 00:18:03 -0400 (EDT) | Subject: [GTALUG] why I like shared libraries -- no longer a popular position I posted earlier about two CVEs for one bug -- one for Safari and one for Chrome. I noted that the bug was in a library and, with static linking, in a lot of other

Re: [GTALUG] why I like shared libraries -- no longer a popular position

2023-09-25 Thread D. Hugh Redelmeier via talk
| From: David Collier-Brown via talk In this case, a simple bug needs to be fixed. No interface change. The number of packages to update is the number with copies of this buggy code. Copies count, references (shred libraries) are free. Not as easy when interface changes (not additions) are

Re: [GTALUG] why I like shared libraries -- no longer a popular position

2023-09-23 Thread D. Hugh Redelmeier via talk
| From: mwilson--- via talk | By ?shared libraries? you don?t mean libsomething.so, right? You mean | everybody in the world using code they got from ?Somebody?. [What are the question marks that appear where other punctuation is expected? Did your mail get badly transcoded at some step?] I

[GTALUG] why I like shared libraries -- no longer a popular position

2023-09-22 Thread D. Hugh Redelmeier via talk
A bug was found (painfully -- a zero day) in Apple's Safari and (separately) in Google's Chrome. This is a pretty serious bug -- it was used to spy on an opposition

Re: [GTALUG] looking for a general purpose boot media to keep in case of distasters

2023-09-20 Thread D. Hugh Redelmeier via talk
| From: joeDoe via talk | Anything that you need that isn't on the live system can be easily installed | if it's packaged for Debian. It's a full system, so you can also download | and compile something that isn't packaged in Debian if you need to do so. To install gparted on the currently

Re: [GTALUG] looking for a general purpose boot media to keep in case of distasters

2023-09-20 Thread D. Hugh Redelmeier via talk
1. I use what I'm used to. That's Fedora. 2. I don't plan ahead, so I just use the Fedora live installation medium 3. Your distro is probably as good as Fedora. 4. Yes, you can install to a USB drive and have that drive function as an emergency tool. But I find that I don't use the

Re: [GTALUG] brands matter; Lenovo's brands

2023-09-19 Thread D. Hugh Redelmeier via talk
| From: Nicholas Krause via talk | I thought NVIDIA have open sourced the drivers outside of userspace for 2000 | series and up. The git repo is here: | https://github.com/NVIDIA/open-gpu-kernel-modules. Not sure if which distro | your using has the packages for it, | but I would be surprised

Re: [GTALUG] brands matter; Lenovo's brands

2023-09-19 Thread D. Hugh Redelmeier via talk
| From: Jim Ruxton via talk | Thanks but I wish it was that easy. There is a lot going on in the Linux | world to get this fixed. | https://forums.lenovo.com/t5/Ubuntu/Ubuntu-and-legion-pro-7-16IRX8H-audio-issues/m-p/5210709 | Hoping in the 6.6 kernel the fix will appear. In my experience,

Re: [GTALUG] brands matter; Lenovo's brands

2023-09-19 Thread D. Hugh Redelmeier via talk
| From: Evan Leibovitch via talk | On Sat, Sep 16, 2023 at 1:12 PM Peter King via talk wrote: | > I didn't even consider ThinkCentres, which word-of-mouth had rated as | > overpriced and underpowered, | > | You had me at overpriced. There's a robust resale market. That's where I've bought all

Re: [GTALUG] brands matter; Lenovo's brands

2023-09-18 Thread D. Hugh Redelmeier via talk
| From: Evan Leibovitch via talk | If that matters, it's still possible to buy an original IBM-PC type keyboard | regardless of where you get your PC. | They've taken the original design and made faithful duplicates, as well as | Mac-friendly key layouts.

Re: [GTALUG] brands matter; Lenovo's brands

2023-09-18 Thread D. Hugh Redelmeier via talk
| From: Jim Ruxton via talk | | I'm not so impressed with Lenovo's support of it's Legion laptops. My model | as well as other Legion models have no speaker output in Linux. The | headphone jacks work but no sound out of the speakers. I would have thought | that having sound working was a bare

[GTALUG] battery duration [was Re: brands matter; Lenovo's brands]

2023-09-18 Thread D. Hugh Redelmeier via talk
| From: Lennart Sorensen via talk | I saw a video recently where Louis Rossmann gave an update on having | used his Framework laptop for a couple of years now. | He runs linux and most things work, except apparently sleep mode doesn't | work properly so the battery still drains quite a bit in

Re: [GTALUG] brands matter; Lenovo's brands

2023-09-17 Thread D. Hugh Redelmeier via talk
| From: Peter King via talk A wonderfully clear and evocative elegy! All rational. | To: D. Hugh Redelmeier via talk | Cc: Peter King | Date: Sat, 16 Sep 2023 13:11:24 -0400 | Subject: Re: [GTALUG] brands matter; Lenovo's brands | | All points about brands/branding noted and appreciated.  I

Re: [GTALUG] brands matter; Lenovo's brands

2023-09-16 Thread D. Hugh Redelmeier via talk
| From: Evan Leibovitch via talk | Disclaimer: I have an MBA in marketing. I studied this stuff at length. (I think that's actually a claimer.) Thanks for adding a lot to this topic. For those interested in marketing, there is a great CBC Radio series, Terry O'Reilly's "Under the influence".

[GTALUG] installing Windows is uselessly worse than installing Linux

2023-09-15 Thread D. Hugh Redelmeier via talk
[Always do backups before such drastic measures.] The best way to install Windows is to go to another Windows box and use the the Window Media Creation Tool to create a bootable USB stick Alternatively you could download the WIndows

Re: [GTALUG] Repair & Replace

2023-09-15 Thread D. Hugh Redelmeier via talk
| From: Peter King via talk | | I will try using the iGPU when I get in to my office next, likely over the | weekend. First check whether the iGPU is connected to any ports on the case. There are models of your computer that are sold without a dGPU, so that is promising. My current desktop

[GTALUG] brands matter; Lenovo's brands

2023-09-15 Thread D. Hugh Redelmeier via talk
(This was part of a reply to Peter, but I decided to make it a separate message. I hope you don't find it too didactic.) Brands matter. They are meant to telegraph certain things to the customer. Of course the brand's meaning can be changed: it isn't a contract. The perception of a brand

Re: [GTALUG] Repair & Replace

2023-09-14 Thread D. Hugh Redelmeier via talk
| From: Peter King via talk | | It's a Lenovo Legion T5-26AMRS, about a year and a half old; the CPU is an AMD | Ryzen 7 5700G (8 cores) running around 3GHz, with 32GB of RAM.  The graphics | card is an NVIDIA GeForce RTX 3060 with 12GB onboard RAM. Quick partial response: Does you machine

Re: [GTALUG] Repair & Replace

2023-09-14 Thread D. Hugh Redelmeier via talk
| From: James Knott via talk | Don't they sell some models with Linux on them? | | https://www.lenovo.com/ca/en/d/linux-laptops-desktops/?orgRef=https%253A%252F%252Fwww.google.com%252F Sure. But that's not what Peter has. His is Window-only. My impression: - computers sold with Linux are

Re: [GTALUG] Repair & Replace

2023-09-13 Thread D. Hugh Redelmeier via talk
| From: Peter King via talk | I have a Lenovo Legion T5 desktop (tower configuration) with Ryzen 9 cpu, Which processor? That gives me an idea of its age. Which model of T5? Lenovo type or model number or whatever they call it is fairly precise. | which has given me all sorts of trouble

[GTALUG] GTALUG meeting Tuesday 7:30 PM: Rocky Linux

2023-09-11 Thread D. Hugh Redelmeier via talk
When: Tuesday September 12, 2023 at 7:30 PM Where: online Speakers from Rocky Linux will talk about the distribution's evolution away from CentOS. We may also hear about the association between Rocky, SUSE and Oracle. Context:

Re: [GTALUG] USB to Ethernet Dongles WAS: Debian Linux as-a-router Guide

2023-09-09 Thread D. Hugh Redelmeier via talk
| From: Evan Leibovitch via talk | On Sat, Sep 9, 2023 at 9:56 AM D. Hugh Redelmeier via talk | wrote: | > Notebooks are almost supplanting "regular" PCs. | > | | IMO we're well beyond the "almost" in that statement. I was thinking "almost completely",

Re: [GTALUG] USB to Ethernet Dongles WAS: Debian Linux as-a-router Guide

2023-09-09 Thread D. Hugh Redelmeier via talk
| From: Giles Orr via talk | I've never found a totally stable USB-to-Ethernet dongle - | and I've tried quite a few. That's really interesting and really unfortunate. Almost no notebooks come with ethernet ports these days. Notebooks are almost supplanting "regular" PCs. Notebooks are a

Re: [GTALUG] Debian Linux as-a-router Guide

2023-09-09 Thread D. Hugh Redelmeier via talk
| From: James Knott via talk | On 2023-09-07 13:36, Scott Allen wrote: | > I'm sure OpenWRT can do them just as well, once configured. I haven't looked | > at OpenWRT lately but I previously got the impression that many add-on | > packages and even built-in features didn't include GUI

Re: [GTALUG] Debian Linux as-a-router Guide

2023-09-08 Thread D. Hugh Redelmeier via talk
| From: James Knott via talk | You might want a guest VLAN/SSID.  I have my firewall configured so that the | only thing a guest can do on my network is ping the guest VLAN interface.  | Beyond that, they can only access the Internet.  I even point them to Google's | DNS server, instead of mine.

Re: [GTALUG] Debian Linux as-a-router Guide

2023-09-08 Thread D. Hugh Redelmeier via talk
| From: Giles Orr via talk | As per my previous post, I just purchased a mini-PC which I intend to | turn into a router. Is anyone aware of a guide for turning a Debian | PC into a _home_ router? I'd like to be running probably DNSmasq, | using a blocklist, stuff like that. I've found

[GTALUG] mail oddity [was Re: Debian Linux as-a-router Guide]

2023-09-08 Thread D. Hugh Redelmeier via talk
I sent this yesterday. To talk@gtalug.org and jamonat...@gmail.com I got a bounce message from ubuntu-users-ow...@lists.ubuntu.com ("Post by non-member to a members-only list") How would this get to the ubuntu users list with my address on it? | From: Jamon Camisso via talk | To:

Re: [GTALUG] Boot fails into Linux

2023-09-07 Thread D. Hugh Redelmeier via talk
| From: sciguy via talk | 1) I noticed two swap partitions. Was that me being absent-minded when I did | the installation/upgrade a year ago? Then I noticed: That should just work. But I always go for simplicity. | 2) There are also two (2) EFI partitions. One installed 2 years ago, and one

Re: [GTALUG] GNOME automatically sleeps your computer

2023-09-01 Thread D. Hugh Redelmeier via talk
| From: BCLUG via talk | Is there really no way to tweak this in the GUI? There is a way. A user can change what GNOME does when they are logged in settings: Power: (Power Saving Options) Automatic Suspend: off But this has no effect on GDM (the login screen) or any other user. I want a

[GTALUG] internet service speed test tip

2023-08-24 Thread D. Hugh Redelmeier via talk
Rogers and Bell have web sites for testing your internet speed. The advantage of using one should be that it is a pretty pure test of the ISP's infrastructure. TL;DR: run the test from a fast computer. When I used Bell's speed test on my own router (remember that it runs Fedora 38 and thus

[GTALUG] my own router on Bell Fibe Fiber-To-The-Premises (FTTP)

2023-08-24 Thread D. Hugh Redelmeier via talk
I've used my router (a little PC running a Red Hat Linux) with Rogers for over 25 years. Now I've switched to Bell to get FTTP (AKA FTTH). Here are some quirks (AKA discoveries) Bell supplied a Giga Hub modem / router / access point / landline / ... There are several ethernet ports on it. -

[GTALUG] GNOME automatically sleeps your computer

2023-08-24 Thread D. Hugh Redelmeier via talk
GNOME, at least on Fedora 38 and on debian 12, will put your computer to sleep if the mouse and keyboard haven't been used for 15 minutes. This makes the rather rash assumption that a computer running GNOME is only doing GNOME things, and only for a person active at the console. There are many

Re: [GTALUG] debian: adduser doen't add user to many useful groups

2023-08-13 Thread D. Hugh Redelmeier via talk
/inconvenient change to EXTRA_GROUPS. I wonder why? Probably security. | On Sun, Aug 13, 2023 at 04:12:18PM -0400, D. Hugh Redelmeier via talk wrote: | > Is there a magic shortcut to getting hugh added to all these groups? | | Don't know about a magic shortcut, but here is the command to

[GTALUG] debian: adduser doen't add user to many useful groups

2023-08-13 Thread D. Hugh Redelmeier via talk
I'm just setting up a debian system for the first time in a long while. (I'm typing this on my new debian system.) The initial user that I created is automatically in many important groups: cdrom floppy sudo audio dip video plugdev

Re: [GTALUG] transcript of chat at tonights meeting

2023-08-10 Thread D. Hugh Redelmeier via talk
| From: bitmap | does servethehome.ca work for anyone else? I get "server not found". | | servethehome.com works Yeah, that's what I meant. Thanks. --- Post to this mailing list talk@gtalug.org Unsubscribe from this mailing list https://gtalug.org/mailman/listinfo/talk

[GTALUG] transcript of chat at tonights meeting

2023-08-08 Thread D. Hugh Redelmeier via talk
Darn. The capture only got the last N message. Sorry. Bonus link: servethehome.ca They have reviews of interesting hardware, including little PC designed to be routers and 8 x 2.5G switches. Mark 9:07 PM Umm, they're more transparent OPNSEnse started with a drama with

Re: [GTALUG] use Window to access SSH server with obsolete ciphers

2023-08-06 Thread D. Hugh Redelmeier via talk
| You can often ssh from newer systems to older systems by telling ssh | that it's allowed to use older options. | | For example, to connect from ubuntu 22 to centos 5, my .ssh/config file has | | Host centos5.example.com | KexAlgorithms +diffie-hellman-group1-sha1 | # ubuntu 22+

[GTALUG] use Window to access SSH server with obsolete ciphers

2023-08-04 Thread D. Hugh Redelmeier via talk
Recent Fedora systems' SSH client won't access CentOS 6 servers. Unable to negotiate with x.y.z.w port 22: no matching host key type found. Their offer: ssh-rsa,ssh-dss (One should not still be running CentOS 6!) All my workstations run recent Fedora systems. How could I

Re: [GTALUG] OLD Thinkpads, free

2023-08-02 Thread D. Hugh Redelmeier via talk
Is it too late? These might be good for Karen. | From: Giles Orr via talk | To: GTALUG Talk | Date: Sat, 22 Jul 2023 10:56:57 -0400 | Subject: [GTALUG] OLD Thinkpads, free | | 2 x T60, 1 x T42 | | I have somewhat involuntarily acquired these three exceptionally old | Thinkpads. None of them

Re: [GTALUG] serial and parallel ports [was nice deal on ThinkPad E16]

2023-08-02 Thread D. Hugh Redelmeier via talk
| From: Anthony de Boer via talk | The FTDI USB-Serial adapters were very good, but then the market got flooded | with cheap PL2303-based ones that are horrible, losing whole swathes of text | during fast screen updates. They're generally only okay for slow traffic. What does that mean exactly?

Re: [GTALUG] serial and parallel ports [was nice deal on ThinkPad E16]

2023-08-02 Thread D. Hugh Redelmeier via talk
Parallel ports disappeared first. Serial later. Real PC parallel ports were repurposed for all kinds of hacks. Those might not work with USB dongles. But just using them for printers (and things that look like them to the interface) should work fine with USB dongles. How fast do you need

[GTALUG] serial and parallel ports [was nice deal on ThinkPad E16]

2023-07-31 Thread D. Hugh Redelmeier via talk
Do you want a desktop computer or a laptop? By "Yamaha ThinkPad", I think you meant "Lenovo ThinkPad". All ThinkPads are notebooks (or tablets). So I'll assume that you are looking for a notebook. Are you requiring it to run MSDOS? I think that it has been a long long time since notebooks

[GTALUG] nice deal on ThinkPad E16

2023-07-31 Thread D. Hugh Redelmeier via talk
- 16" - carefully customize (as outlined) - choose the excellent display option (3560x1500, 400 nits - AMD CPU. Current gen number but 2 generations behind; still good.

[GTALUG] in defence of GNOME 3

2023-07-31 Thread D. Hugh Redelmeier via talk
It works for me. Few tasks seem awkward or difficult. The learning curve wasn't bad (unless, perhaps, you are grumpy and resentful). I admit: 1. I like simplicity. Some enjoy the power of a complex interface. 2. the changes have mostly been gradual (cue lobster boiling story) 3. I don't use

Re: [GTALUG] zero [was Re: Favorite desktop manager?]

2023-07-28 Thread D. Hugh Redelmeier via talk
| From: Evan Leibovitch via talk | | I find an interesting-tho-trivial bit of culture shock in going between | North America and elsewhere (generally, in my experience): floor | designations in buildings. I learned this in French class. The main floor was rez-de-chaussée. In those days we

[GTALUG] zero [was Re: Favorite desktop manager?]

2023-07-28 Thread D. Hugh Redelmeier via talk
| From: o1bigtenor via talk | (Except for the idea of 0 being an actual counter as it is in only the computing | world.) I think that you are referring to C using 0 as the subscript for the first element of an array. An interesting issue. I agree that 0 should not be an ordinal number. In

Re: [GTALUG] Dual boot

2023-07-28 Thread D. Hugh Redelmeier via talk
| From: Gron Arthur via talk | | Thinking of buying a Dell 3571 and making it dual boot with Windows and | Debian. Main reason for Windows is, I want Nikon's ViewNX software for my | DSLR camera and can't for the life of me figure out how to run it off an | emulator. | | Does anyone see an

Re: [GTALUG] Favorite desktop manager?

2023-07-27 Thread D. Hugh Redelmeier via talk
| From: Evan Leibovitch via talk | In FOSS, developers write stuff that scratches their own itches, which is | why we have such a proliferation of window managers (and editors, and | source control, and languages, etc.) Yet stuff that is end-user-centric | that doesn't scratch any geek itches

Re: [GTALUG] Favorite desktop manager?

2023-07-26 Thread D. Hugh Redelmeier via talk
Historically, I use whatever the distro puts in front of me. I use GNOME desktop environment in Fedora. I hate investing in customization because in the long term, it all gets washed away. After using DE's for 35 years, I've been subject to a lot of change -- I don't need to seek more. I

Re: [GTALUG] Mailchannels Vancouver,BC

2023-07-25 Thread D. Hugh Redelmeier via talk
| From: ac via talk | | It seems that Mailchannels no longer manages abuse, spam, scams and | criminal activity and seems to have become a service provider to | criminal syndicates and other low life, nefarious and scum baggerry | (does scum baggerry have two G's and two R's? or is scum baggery

Re: [GTALUG] OLD Thinkpads, free

2023-07-24 Thread D. Hugh Redelmeier via talk
| From: D. Hugh Redelmeier via talk | | | From: Giles Orr via talk | | | 2 x T60, 1 x T42 | | I haven't looked recently, but at one point these were the latest models | that supported open firmware (BIOS). That makes the precious to some. I'm wrong. Coreboot's table doesn't talk about

Re: [GTALUG] OLD Thinkpads, free

2023-07-22 Thread D. Hugh Redelmeier via talk
| From: Giles Orr via talk | 2 x T60, 1 x T42 I haven't looked recently, but at one point these were the latest models that supported open firmware (BIOS). That makes the precious to some. --- Post to this mailing list talk@gtalug.org Unsubscribe from this mailing list

Re: [GTALUG] speaking of surge protection, is computer hardware testing tool

2023-07-20 Thread D. Hugh Redelmeier via talk
1. others on the list know way more than I do. 2. if you'd like us to comment on a device, a link to it would be good. 3. What would a 12v breaker be doing on a device for protection a 120V AC circuit? 4. spelling looked fine to me. "aluminum" is the North American word for the

Re: [GTALUG] computer hardware testing tools.

2023-07-19 Thread D. Hugh Redelmeier via talk
Thanks for more description of your device problems. I take it that a "sudden spark in speach" is a click or a pop. That's not going to be part of the signal from serial port. Garbled text sent to your synthesizer needs more analysis. That also isn't a typical serial signal error caused by

Re: [GTALUG] computer hardware testing tools.

2023-07-18 Thread D. Hugh Redelmeier via talk
given all this largely started when upstairs changed to air | conditioning, I suspect some of those surges come from that change. | does all this resonate? | Thanks for providing a rich way for me to think this through. | Kare | | | | On Tue, 18 Jul 2023, D. Hugh Redelmeier via talk wrote: |

Re: [GTALUG] computer hardware testing tools.

2023-07-18 Thread D. Hugh Redelmeier via talk
If you don't know the source of the problem, it is kind of hard to be sure where you need to fix it. I imagine that a whole house conditioner would be meant to address problems with power coming into the house. If the problem is inside the house, it probably isn't the best solution. As far as I

Re: [GTALUG] computer hardware testing tools.

2023-07-18 Thread D. Hugh Redelmeier via talk
Are there actual sparks that you know of? The only kinds of sparks that I'd accept are 1. When you unplug a heavy (inductive?) load, like an ordinary electric kettle. That seems to be normal. 2. Static electricity -- when you get grounded after shuffling across a carpet when humidity is low

Re: [GTALUG] computer hardware testing tools.

2023-07-13 Thread D. Hugh Redelmeier via talk
What exactly are the remaining problems that you can put your finger on? Laptops effectively have built-in UPSes. They should not be affected by drooping voltage and a surge would have to be fairly large to harm it. I would guess that the first thing to fail would be the power brick. Have

Re: [GTALUG] computer hardware testing tools.

2023-07-13 Thread D. Hugh Redelmeier via talk
If they are switches, they will be circuit breakers. I don't know if that means that the box has no fuses. So: I think that it probably safe for you to feel around but I am not confident in that guess. As someone pointed out: if you cause your landlord problems, will they evict you? I hate that

Re: [GTALUG] computer hardware testing tools.

2023-07-13 Thread D. Hugh Redelmeier via talk
There is a reason for being pedantic. But in this case, the issue has no consequences. We are being given an incomplete view of the problem. That's natural and to be expected. But when an inconsistency comes up, it casts doubt on the description and we want to get rid of the doubt. Doubt is

Re: [GTALUG] computer hardware testing tools.

2023-07-12 Thread D. Hugh Redelmeier via talk
| From: Karen Lewellen via talk | When the issue started, it turned out that the machine was working, but the | port had stopped. Correctly diagnosing a problem is often the first 90% of fixing it. It often isn't easy. (Often it is easy, but we don't remember those events.) | However the real

Re: [GTALUG] computer hardware testing tools.

2023-07-12 Thread D. Hugh Redelmeier via talk
This is a hard question. Most digital systems components work or don't work. It gets really hard when they kind of work. Let me be a little more explicit about that, with an example. A computer can mostly work but have a failing serial port. Then the component to look at is the serial port,

Re: [GTALUG] Red Hat Paywall...

2023-07-04 Thread D. Hugh Redelmeier via talk
| From: Giles Orr via talk Thank you and others for telling us about your experience. | If I need something newer, I can "pin" a | package, getting it either from testing or backports. This is | admittedly a PITA to set up, and I hardly ever use it because of that | ... but I _have_ used it,

Re: [GTALUG] Red Hat Paywall...

2023-06-27 Thread D. Hugh Redelmeier via talk
This Red Hat change concerns me. LONG: Some thoughts on what my "go to" distro pair should be. | From: Alvin Starr via talk | On 2023-06-27 08:19, Lennart Sorensen via talk wrote: | > Yeah I am happy I switched to debian 25 years ago because Red Hat's | > quality was so poor at the time.

Re: [GTALUG] Debian 12

2023-06-20 Thread D. Hugh Redelmeier via talk
| From: Giles Orr via talk | Long release cycles are a real mixed blessing ... Thanks for your note on debian 12 / bookworm. I'm personally interested in debian as a replacement for CentOS. (GTALUG is going to have a speaker from Rocky Linux in the next few months.) I'm not enculturated in

Re: [GTALUG] CVT-RB: another video mystery

2023-06-20 Thread D. Hugh Redelmeier via talk
| From: Lennart Sorensen via talk | b/c could be read as b divided by c. After all we use ppi for pixels | per inch. "per" *is* a division. Of units 10 b/c * 3 c/pixel = 30 b/pixel 300 p/in * 8.5 in = 2550 p This kind of operation on units is called dimensional analysis. It is a very

Re: [GTALUG] CVT-RB: another video mystery

2023-06-20 Thread D. Hugh Redelmeier via talk
| From: Scott Allen via talk | On Tue, 20 Jun 2023 at 10:40, James Knott via talk wrote: | > Is this documented anywhere? Sure the audio is sent over the cable, but | > why should there be such a thing as a blanking interval on a digital | > system? | |

Re: [GTALUG] CVT-RB: another video mystery

2023-06-20 Thread D. Hugh Redelmeier via talk
| From: Alvin Starr via talk | The bit rate going over HDMI would be something like: | Image height * Image width * pixel size * frame rate. | | So for an example:2048*1024*24*60 = 3,019,898,880bits/s | Add on to that the overhead for some number of audio channels. That's an odd resolution.

Re: [GTALUG] CVT-RB: another video mystery

2023-06-20 Thread D. Hugh Redelmeier via talk
| From: James Knott via talk | On 2023-06-19 18:04, D. Hugh Redelmeier via talk wrote: | > Is such compression part of what HDMI carries? For computer monitors? | > Almost all compression used in video is lossy -- not what I want for a | > computer monitor | | I don't know the detail

Re: [GTALUG] CVT-RB: another video mystery

2023-06-19 Thread D. Hugh Redelmeier via talk
| From: James Knott via talk | | On 2023-06-19 14:47, D. Hugh Redelmeier via talk wrote: | > One silly wast of bandwidth is blanking intervals. That mattered for CRTs | > since steering the electron beam took time. It should not matter for | > LCDs. | | That doesn't make sense, e

[GTALUG] CVT-RB: another video mystery

2023-06-19 Thread D. Hugh Redelmeier via talk
Video bandwidth is precious. In particular the HDMI standards seem to lag in providing the bandwidth I need. Partly because I run old hardware. One silly wast of bandwidth is blanking intervals. That mattered for CRTs since steering the electron beam took time. It should not matter for

[GTALUG] Meeting 2023 June 13: Digital Citizenship, Part 2

2023-06-12 Thread D. Hugh Redelmeier via talk
with Warren McPherson 13 June, 2023 at 07:30 PM “Being involved in open source indicates an interest in the ethical aspects of technology” For this meeting we wish to get your input on what it means to you to be a digital citizen in 2023. What is a Digital Citizen and why is it important?

Re: [GTALUG] War Story: old Nvidia card vs. Fedora 38 upgrade

2023-06-10 Thread D. Hugh Redelmeier via talk
| From: D. Hugh Redelmeier via talk | - this is not enough. I needed to make GDM itself use X. | Change /etc/gdm/custom.conf to enable the command | WayLandEnable = false According to <https://docs.fedoraproject.org/en-US/quick-docs/configuring-xorg-as-default-gnome-session/>

[GTALUG] War Story: old Nvidia card vs. Fedora 38 upgrade

2023-06-09 Thread D. Hugh Redelmeier via talk
My desktop computer is quite long in the tooth. It runs on Fedora Linux. It uses an Nvida GTX 650 video cart that I bought in 2012. I used this card because of the screen resolutions it supported. BACKGROUND: you may ignore this - the computer came with an OK AMD video card, but the OEM (HP)

[GTALUG] war story: supporting an old printer on Windows, with Linux

2023-06-05 Thread D. Hugh Redelmeier via talk
A friend has an old trusty HP LaserJet 4MP printer. This is so old that HP no longer makes Windows drivers for it and HP no longer has online manuals for it. I'm guessing that the 4mp model was introduced about 30 years ago. (I bought a LaserJet IIP in 1989 for $1400. Long dead.) It works

Re: [GTALUG] War Story: distro version upgrades can be dangerous

2023-06-04 Thread D. Hugh Redelmeier via talk
| From: D. Hugh Redelmeier via talk | I upgraded the gateway machine from Fedora 36 to 38 a couple of days ago. | | It didn't go smoothly. A couple of small-ish hangups caught me. This | is not ideal in a gateway. Luckily, I have more than one. I recently noticed another third problem: BIND

[GTALUG] motorcycle exhaust systems [was slide rules; was Re: Chromebook death dates]

2023-06-02 Thread D. Hugh Redelmeier via talk
| From: Dave Collier-Brown via talk | When I was a motorcycle mechanic I had a circular slide rule, with a | permanent mark at the coefficient for computing a catenoid, as I did a | lot of 2-stroke exhaust systems. Some hilariously wrong, some which got | me a reputation as a wizard. I know

Re: [GTALUG] Chromebook death dates

2023-06-01 Thread D. Hugh Redelmeier via talk
| From: Scott Allen via talk | I thought the circular ones were an interesting idea but I only had a | cheap plastic straight one. | https://www.sliderule.tokyo/products/detail.php?product_id=8 Yeah, I had a cheap one from Coles Book Store discount bin. With a regular slide rule, you had to

Re: [GTALUG] Chromebook death dates

2023-06-01 Thread D. Hugh Redelmeier via talk
| From: James Knott via talk | My first calculator was a Rapidman 800, which sold for about $100 at Eaton's, | IIRC. Interesting vignette: I remember seeing the initial ad campaign. A big price drop from

Re: [GTALUG] Chromebook death dates

2023-06-01 Thread D. Hugh Redelmeier via talk
| From: Stewart C. Russell via talk | Easier said than done. Remember that the entire HS maths curriculum in the US | is effectively owned by TI calculators, and their lock-in allows them to sell | a 1980s-tech 'approved' calculator for ~$100. Aren't "moats" great (Warren Buffet's term, I

Re: [GTALUG] an odd question about well on going service factors.

2023-05-31 Thread D. Hugh Redelmeier via talk
I understand that you have important sensory and processing challenges. I also understand that experimentation can cause injury. Characterizing your requirements for us has seemed very difficult. Those of us who have tried to help have not managed to understand the techncial characteristics

Re: [GTALUG] an odd question about well on going service factors.

2023-05-31 Thread D. Hugh Redelmeier via talk
| From: Karen Lewellen via talk | 1. your provider has no idea if those residing at an address are family or | not...making that a non -point. Read the agreement between your landlord and Bell. We are telling you what it says but we are not 100% reliable. Some provisions are perhaps

Re: [GTALUG] Chromebook death dates

2023-05-29 Thread D. Hugh Redelmeier via talk
| From: Stewart Russell via talk Thanks for all the legwork! Interesting. | On Sun, May 28, 2023 at 10:25 PM James Knott via talk | wrote: | In summary, for us, as Linux users, | Chromebooks don't hard-"brick", as I suggested they might. But it seems | that, in a school exam situation,

Re: [GTALUG] Chromebook death dates

2023-05-29 Thread D. Hugh Redelmeier via talk
| From: Stewart C. Russell via talk | | TIL that Chromebooks brick themselves when they hit a hard-coded date: the | date when Google stops providing updates: | https://coloradosun.com/2023/05/26/colorado-schools-chromebooks-churn-outdated/ | | The article's about Denver Public School

[GTALUG] ISC DHCP server is reaching End of Life.

2023-05-28 Thread D. Hugh Redelmeier via talk
I've been using ISC DHCP server for a long long time. I just noticed this article. It focuses on Kea DHCP server as a replacement. --- Post to this mailing list talk@gtalug.org Unsubscribe

[GTALUG] CodeLobster IDE

2023-05-28 Thread D. Hugh Redelmeier via talk
Our mailing list blocked a message from CodeLobster. They would like our community to know about their product. Here's my summary (haven't tried it): http://www.codelobsteride.com/ - targets "web languages" -- PHP, HTML, CSS, JavaScript - seems to be a free level and then a paid level - there

[GTALUG] War Story: distro version upgrades can be dangerous

2023-05-24 Thread D. Hugh Redelmeier via talk
One of my gateway machines uses Fedora. I used to use CentOS for that kind of purpose, but no longer. When CentOS changed, I decided to try Fedora instead. The first downside is the torrent of updates. But that doesn't really seem to be a problem. The second downside is that support for a

Re: [GTALUG] Toshiba Satellite L500 rejects Linux

2023-05-22 Thread D. Hugh Redelmeier via talk
| From: Giles Orr via talk Please don't be insulted by my explaining things you surely know. I'm trying to make this understandable to others. | I've recently acquired (through a friend who stopped using it) a | Toshiba Satellite L500 - Core i3 (3rd gen?), 4G RAM. If it is third gen, I would

Re: [GTALUG] war story #2: buying RAM

2023-05-20 Thread D. Hugh Redelmeier via talk
| From: Lennart Sorensen via talk | https://www.crucial.com/compatible-upgrade-for/lenovo/thinkcentre-m75s-gen-2#memory | would certainly work. It is listed as compatible, it is 3200 DDR4, | it is 1.2V. No silly XMP profiles involved. So such memory does exist, | but it is not very common.

Re: [GTALUG] war story #2: buying RAM

2023-05-16 Thread D. Hugh Redelmeier via talk
I wrote this thread to 1. inform others of the traps I encountered 2. to whine about how some traps are created to advantage vendors but end up just making complexity that hurts everyone. The RAM market is not simple. There are several dimensions one needs to get right: - technology (eg.

Re: [GTALUG] war story #2: buying RAM

2023-05-15 Thread D. Hugh Redelmeier via talk
| From: Nicholas Krause via talk Thanks for thinking about my problem. | Yes, Hugh will run into problems then of getting that speed. The JEDEC default | profile is 2400mhz | from memory. Yes, that is true of the modules that I bought that claimed to be DDR4-3200. That is in fact what I said

Re: [GTALUG] war story #2: buying RAM

2023-05-12 Thread D. Hugh Redelmeier via talk
| From: D. Hugh Redelmeier via talk | So this is what I bought for $159.99: | <https://www.canadacomputers.com/product_info.php?cPath=24_311_1326_id=195989> Surprise: The ThinkCentre M75s gen 2 SFF seems this RAM as DDR-2400! Why??? Even though it is advertised as DDR-3200, when yo

Re: [GTALUG] war story: buying RAM

2023-05-10 Thread D. Hugh Redelmeier via talk
| From: Lennart Sorensen via talk | On Tue, May 09, 2023 at 03:33:17PM -0400, D. Hugh Redelmeier via talk wrote: | > When I got it, I could install it in my machine but I could not reassemble | > the machine. I needed "low profile" DIMMs. Not mentioned in the manual. | | St

[GTALUG] war story: buying RAM

2023-05-09 Thread D. Hugh Redelmeier via talk
I bought a ThinkCentre M75s through ebay.ca It came with a single 8GiB stick of RAM. I wanted more! DDR4 RAM is pretty cheap these days. I bought 8GiB (to pair with the original stick) and 2 x 32GiB. Lots! I got it from amazon.ca - DDR 32000MHz, as per the "psref" documentation for the

Re: [GTALUG] Cheap small computers

2023-05-05 Thread D. Hugh Redelmeier via talk
| From: Stewart Russell via talk | I just got one of these, for $100 as recommended. It's rather nice (apart | from the whole Windows thing), but ... no wifi! I didn't think a computer | could exist that didn't have wifi! So it's making do with an ancient | realtek USB dongle I used to use on

Re: [GTALUG] how many addresses possible

2023-04-30 Thread D. Hugh Redelmeier via talk
| From: James Knott via talk | If you're on Rogers, you get 2 IPv4 addresses. As far as I know, only if you turn off the router function of your Rogers-supplied box (modem/router/AP/...). --- Post to this mailing list talk@gtalug.org Unsubscribe from this mailing list

Re: [GTALUG] small laptops (recommendation?)

2023-04-28 Thread D. Hugh Redelmeier via talk
| From: William Park via talk | Following the current thread on "cheap small computers", I've been browsing | again. I have 11.5" chromebook and am looking for similarly small but decent | laptop to run Linux on. I looked at 15", 16", 17" laptops, but decided that | even T450, that I already

Re: [GTALUG] Cheap small computers [was Re: DECTalk TTS in source for Linux]

2023-04-27 Thread D. Hugh Redelmeier via talk
| From: Ijaaz A. Ullah | Take a look at: https://www.dellrefurbished.ca/desktop-computers Thanks for the link. I do look at that site once in a while but it has been years since I last bought something from them. They don't have these 1 liter boxes very often but they have three "micro"

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