[plug] Linux noobs workshop

Didi Mudigdo didi at didi.com.au
Wed Apr 5 06:30:46 AWST 2023


Hi Richard, I reckon bring the full system Debian one, I'll also have a
Mint and ChromeOS Flex USB on hand, hope people bring their old computers
so we can play around with them. See you there! :)

If anyone else wants to sign up for the free noobs workshop:

https://splc.org.au/programme

(Under 'Categories' click 'Computers and Technology')

Cheers,

Didi
South Perth Learning Centre


On Mon, 3 Apr 2023, 12:01 pm , <plug-request at plug.org.au> wrote:

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> Today's Topics:
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>    1. Re: plug Digest, Vol 225, Issue 5 (Richard Jones)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 2 Apr 2023 17:52:02 +0800
> From: Richard Jones <bwl at vivaldi.net>
> To: plug at plug.org.au
> Subject: Re: [plug] plug Digest, Vol 225, Issue 5
> Message-ID: <c93b9e63-3778-dd95-80db-63b214c31271 at vivaldi.net>
> Content-Type: text/plain; charset=UTF-8; format=flowed
>
> Thanks Didi,
>
> I've registered and look forward to it. I've been lurking on this list
> for a long time and interested in meeting people but the events either
> seem over my head or just don't work in terms of time and place.
>
> Is it a good idea to bring a Debian installer on thumb drive? If so, I
> usually use a minimal network one but would it be better to do one with
> a working system?
>
> All the best,
> Richard
>
> On 1/4/23 21:25, Didi Mudigdo wrote:
> > Hi Richard,
> >
> > Definitely bring along the Teclasts so we can have a poke. I'll be
> > demonstrating some easy wins (Acer, Lenovo etc.) then go through the
> > problems that can happen with the not-so-easy wins (Broadcom driver,
> > MacBook, soft WiFi switch stuck off etc.). At which time it would be a
> > perfect opportunity to discuss your issues with the Teclasts, so that
> > participants can have a taste of what is in store when they have a go.
> >
> > Hope to see you there!
> >
> > DD
> >
> > On Fri, 31 Mar 2023 at 12:01, <plug-request at plug.org.au
> > <mailto:plug-request at plug.org.au>> wrote:
> >
> >     Send plug mailing list submissions to
> >     plug at plug.org.au <mailto:plug at plug.org.au>
> >
> >     To subscribe or unsubscribe via the World Wide Web, visit
> >     http://lists.plug.org.au/mailman/listinfo/plug
> >     <http://lists.plug.org.au/mailman/listinfo/plug>
> >     or, via email, send a message with subject or body 'help' to
> >     plug-request at plug.org.au <mailto:plug-request at plug.org.au>
> >
> >     You can reach the person managing the list at
> >     plug-owner at plug.org.au <mailto:plug-owner at plug.org.au>
> >
> >     When replying, please edit your Subject line so it is more specific
> >     than "Re: Contents of plug digest..."
> >
> >
> >     Today's Topics:
> >
> >      ? ?1. Re: Tapes (Brad Campbell)
> >      ? ?2. Linux workshop for noobs (Didi Mudigdo)
> >      ? ?3. Re: Linux workshop for noobs (Richard Jones)
> >
> >
> >
>  ----------------------------------------------------------------------
> >
> >     Message: 1
> >     Date: Thu, 30 Mar 2023 17:36:11 +0800
> >     From: Brad Campbell <brad at fnarfbargle.com <mailto:
> brad at fnarfbargle.com>>
> >     To: plug at plug.org.au <mailto:plug at plug.org.au>
> >     Subject: Re: [plug] Tapes
> >     Message-ID: <80f5d4da-ed51-dd7f-4424-6c365b231202 at fnarfbargle.com
> >     <mailto:80f5d4da-ed51-dd7f-4424-6c365b231202 at fnarfbargle.com>>
> >     Content-Type: text/plain; charset=UTF-8; format=flowed
> >
> >     On 15/3/23 13:01, Brad Campbell wrote:
> >      ?> I've started using a combination of tar and pbzip2 for
> >     archiving, but I'm going to have to put a cheap 2TB SSD into the box
> >     with the tape drive to stage to, as I can't feed it fast enough
> >     (seeing ~130MB/s write speeds).
> >      > As it's an internal drive, my biggest issue has been cooling. Lot
> >     of blocking case holes with gaffa tape and re-arranging fans to get
> >     the airflow required to keep it cool during a write.
> >
> >     Having had a play for a week or so, I've found pigz -i compresses
> >     nearly as well as lbzip2 and 3 times faster. Admittedly the CPU is
> >     an old AMD FX-8350, so it's not exactly a screamer.
> >     I'm using a 996GB source directory of 28 rsync backups from various
> >     machines ranging from ~250M to ~590G. I tar and compress these to
> >     the staging drive before writing them to tape.
> >
> >     tar through lbzip2 gets them down to 753G in 5 hours 23 minutes.
> >     That is limited by compression.
> >     tar through pigz -i gets them down to 763G in 1 hour 50 minutes.
> >     That's not limited by compression, rather tar reading the data from
> >     the "super cheap and nasty budget SSD" I chose to play with.
> >     I bought a Crucial MX500 for the staging/spool drive, and then I
> >     thought I'd try my luck with the cheapest 2TB SSD I could buy as a
> >     source. An SP Data A55, and it's pretty bad.
> >
> >     I have also tested recovery of several archives by blowing holes in
> >     them, and the archives created with pigz -i recover as well as the
> >     various bzip2 incarnations.
> >
> >      > While this is working adequately, I've ordered a proper external
> >     enclosure with the right cooling.
> >
> >     I ordered an "untested" Dell external LTO-5 SAS drive on E-bay ($240
> >     delivered) because that was about half the price of an empty
> >     enclosure. I figured the drive would be a bust but I'd get a good
> >     external SAS enclosure out of it.
> >     Turns out the "untested" drive has no issues, and has done less work
> >     than the internal HP I bought first. By the logs it looks like
> >     someone bought it to read LTO3 and LTO4 tapes and it's only done
> >     about 50 tape reads.
> >
> >     About time I had a win.
> >
> >     I have a nice little script that generates an index file from the
> >     staging directory, then sequentially writes each tarball to tape.
> >     Bulk restore just reads the whole tape, or for selective I dump the
> >     index, mt fsf to the one I want as listed in the index, and just
> >     restore from there.
> >
> >     Drive encryption works well and easy to set up using stenc. No
> >     issues with read/write compatibility between either drive, so looks
> >     like I'm off to the races.
> >
> >     Appreciate all the pointers.
> >
> >     Regards,
> >     Brad
> >
> >
> >     ------------------------------
> >
> >     Message: 2
> >     Date: Thu, 30 Mar 2023 18:06:27 +0800
> >     From: Didi Mudigdo <didi at didi.com.au <mailto:didi at didi.com.au>>
> >     To: plug at plug.org.au <mailto:plug at plug.org.au>
> >     Subject: [plug] Linux workshop for noobs
> >     Message-ID:
> >
> >     <CA+Mbd-rbFPuNFMi8zBkdwh6cbeuo-f4hWvcSciPLjxbfRHiLiQ at mail.gmail.com
> >     <mailto:
> CA%2BMbd-rbFPuNFMi8zBkdwh6cbeuo-f4hWvcSciPLjxbfRHiLiQ at mail.gmail.com>>
> >     Content-Type: text/plain; charset="utf-8"
> >
> >     Hi there,
> >
> >     I'll be running a 1-hour workshop 1 pm Wed 12th April @ South Perth
> >     Learning Centre on installing Linux on your old computer, please
> >     spread the
> >     word if you know some noobs who would be interested in this:
> >
> >     "Don't throw out your old laptop just yet, most of the time you just
> >     need
> >     to give it an alternative operating system! Replace your Windows
> >     OS/Mac OS
> >     with Linux, a modern community-driven operating system that can run
> >     on very
> >     low hardware resources (e.g. a mere 1 GB RAM, with a 16 GB hard
> >     drive), and
> >     bring your old laptop back to life. Come to this 1-hour workshop to
> see
> >     Linux in action, rejuvenating computers up to 15 years old. If you
> bring
> >     your old laptop you can follow along as we also demonstrate
> step-by-step
> >     the process of installing Linux."
> >
> >     Sign up:
> >
> https://classmanager.com.au/cbin/admin.php?Action=courses&single_course_id=1927&organisation_name=splc&from=org_home
> <
> https://classmanager.com.au/cbin/admin.php?Action=courses&single_course_id=1927&organisation_name=splc&from=org_home
> >
> >
> >     Thank you!
> >
> >     Didi
> >
> >     PS: I've installed various Linux distros on various computers since
> >     2011,
> >     but this will be my first time running this workshop, so any
> >     tips/pointers
> >     from your experience on showing noobs how to install/use Linux will
> >     be most
> >     appreciated :)
> >     -------------- next part --------------
> >     An HTML attachment was scrubbed...
> >     URL:
> >     <
> http://lists.plug.org.au/pipermail/plug/attachments/20230330/48cbb7dc/attachment-0001.html
> <
> http://lists.plug.org.au/pipermail/plug/attachments/20230330/48cbb7dc/attachment-0001.html
> >>
> >
> >     ------------------------------
> >
> >     Message: 3
> >     Date: Thu, 30 Mar 2023 18:13:27 +0800
> >     From: Richard Jones <bwl at vivaldi.net <mailto:bwl at vivaldi.net>>
> >     To: plug at plug.org.au <mailto:plug at plug.org.au>
> >     Subject: Re: [plug] Linux workshop for noobs
> >     Message-ID: <1e42eab9-731b-aa96-981d-a7ec41723e47 at vivaldi.net
> >     <mailto:1e42eab9-731b-aa96-981d-a7ec41723e47 at vivaldi.net>>
> >     Content-Type: text/plain; charset=UTF-8; format=flowed
> >
> >     I've been installing linux on my gear for >20 years but I have a
> couple
> >     of things where I'm stumped (Teclast laptop and tablet). Is this
> >     suitable to bring along as a challenge or would that undermine the
> >     exercise?
> >
> >     Richard
> >
> >     On 30/3/23 18:06, Didi Mudigdo wrote:
> >      > Hi there,
> >      >
> >      > I'll be running a 1-hour workshop 1 pm Wed 12th April @ South
> Perth
> >      > Learning Centre on installing Linux on your old computer, please
> >     spread
> >      > the word if you know some noobs who would be interested in this:
> >      >
> >      > "Don't throw out your old laptop just yet, most of the time you
> just
> >      > need to give it an alternative operating system! Replace your
> >     Windows
> >      > OS/Mac OS with Linux, a modern community-driven operating system
> >     that
> >      > can run on very low hardware resources (e.g. a mere 1 GB RAM,
> >     with a 16
> >      > GB hard drive), and bring your old laptop back to life. Come to
> this
> >      > 1-hour workshop to see Linux in action, rejuvenating computers up
> >     to 15
> >      > years old. If you bring your old laptop you can follow along as
> >     we also
> >      > demonstrate step-by-step the process of installing Linux."
> >      >
> >      > Sign up:
> >      >
> >
> https://classmanager.com.au/cbin/admin.php?Action=courses&single_course_id=1927&organisation_name=splc&from=org_home
> <
> https://classmanager.com.au/cbin/admin.php?Action=courses&single_course_id=1927&organisation_name=splc&from=org_home>
> <
> https://classmanager.com.au/cbin/admin.php?Action=courses&single_course_id=1927&organisation_name=splc&from=org_home
> <
> https://classmanager.com.au/cbin/admin.php?Action=courses&single_course_id=1927&organisation_name=splc&from=org_home
> >>
> >      >
> >      > Thank you!
> >      >
> >      > Didi
> >      >
> >      > PS: I've installed various Linux distros on various computers
> since
> >      > 2011, but this will be my first time running this workshop, so any
> >      > tips/pointers from your experience on showing noobs how to
> >     install/use
> >      > Linux will be most appreciated :)
> >      >
> >      > _______________________________________________
> >      > PLUG discussion list: plug at plug.org.au <mailto:plug at plug.org.au>
> >      > http://lists.plug.org.au/mailman/listinfo/plug
> >     <http://lists.plug.org.au/mailman/listinfo/plug>
> >      > Committee e-mail: committee at plug.org.au
> >     <mailto:committee at plug.org.au>
> >      > PLUG Membership: http://www.plug.org.au/membership
> >     <http://www.plug.org.au/membership>
> >
> >
> >     ------------------------------
> >
> >     Subject: Digest Footer
> >
> >     _______________________________________________
> >     PLUG discussion list: plug at plug.org.au <mailto:plug at plug.org.au>
> >     http://lists.plug.org.au/mailman/listinfo/plug
> >     <http://lists.plug.org.au/mailman/listinfo/plug>
> >     Committee e-mail: committee at plug.linux.org.au
> >     <mailto:committee at plug.linux.org.au>
> >
> >
> >     ------------------------------
> >
> >     End of plug Digest, Vol 225, Issue 5
> >     ************************************
> >
> >
> > _______________________________________________
> > PLUG discussion list: plug at plug.org.au
> > http://lists.plug.org.au/mailman/listinfo/plug
> > Committee e-mail: committee at plug.org.au
> > PLUG Membership: http://www.plug.org.au/membership
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>
> ------------------------------
>
> Subject: Digest Footer
>
> _______________________________________________
> PLUG discussion list: plug at plug.org.au
> http://lists.plug.org.au/mailman/listinfo/plug
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> ------------------------------
>
> End of plug Digest, Vol 226, Issue 2
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