What pointless thing are you doing right now?

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itsvince725
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Re: What pointless thing are you doing right now?

Unread postby itsvince725 » Sat Sep 30, 2017 8:50 pm

vishnu wrote:
itsvince725 wrote:Looking at SCSI CD-ROM drives on eBay. Dunno why I'm bothering.

Me too, the nightmarishly slow and ancient Teac on my Octane2 finally crapped out. I consider this an opportunity for advancement... ;)


It's less that and more that finding what I actually need is so difficult to find (especially for a sensible price) that I might as well not bother looking!

I need a 12x or 24x drive that's either Apple-branded or has a jumper setting for 512k block whatever so that it will work in an Power Macintosh 9600.
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Re: What pointless thing are you doing right now?

Unread postby ClassicHasClass » Sat Sep 30, 2017 8:57 pm

The Apple branded CD-ROMs would be much more common (by comparison). Just be patient, they turn up. Or, get a non-working beige Mac and steal the CD; that might be cheaper and quicker.
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:Fuel: bigred, 900MHz R16K, 4GB RAM, V12 DCD, 6.5.30
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Re: What pointless thing are you doing right now?

Unread postby Shiunbird » Tue Oct 03, 2017 8:12 am

Trippynet wrote:I've not actually decided exactly how I want this thing to run in the end. Part of me is considering running Linux as the primary OS with Windows Server in a VM (for seamless RDP to IRIX, and for other Windows-only apps I want to run on it), and maybe Windows 7 in another VM if necessary. However I wanted to prove to myself first of all that it was possible to get Windows 7 properly running on it first. I might of course also run Windows server in a VM from within Windows 7, should work just as well.


Most of my setup was based around Windows Server and things into a VM inside Windows Server (2012 R2), and Windows 8 for my Windows needs, via RDP (main machine - G5 Quad). However it came to bite me.

After two years of running things smoothly, with no downtime due to Windows Updates (redundant setup behind HAProxy - HP MicroServers, Hyper-V and a few things on VirtualBox in another machine), I started having periodical full outages. Something broke after one of the Windows Updates that started sending corrupted network packets over the network and resetting the cards once every few seconds. It started making my Cisco switches crash every few days.

After a VERY painful migration and three lost weekends, I moved two servers and all the services to FreeBSD Jails (and OpenLDAP instead of Active Directory), and run a single Windows 2012 R2 physical box, to which I RDP in when I need. I have the impression that, even if left untouched, Windows installations tend to self destruct after some time, and I stopped trusting it for anything I need running 24/7 (not that I had ever trusted it anyway).

So I'd not go for virtualized Windows Server, unless you do Hyper-V. Something seems to be off under VirtualBox.
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Re: What pointless thing are you doing right now?

Unread postby Trippynet » Tue Oct 03, 2017 8:52 am

My setup is a bit more simple to be honest, no domain - just a simple workgroup. At the moment, the NUC has Ubuntu on it with Server 2008 R2 and Windows 7 VMs set up via VirtualBox. For now it's working quite nicely. It's also worth noting that the Windows Server VM is mainly just intended for Seamless RDP, nothing too crucial on it. Not tested it yet from IRIX mind you, but it's installed and working.

Saying this, the box it's replacing is an ancient 2007 Mac Mini that's still running Windows XP (with the POS updates on it to keep it updated to at least some degree). Also, all the important files currently reside on a second hard drive in the NUC that is accessible from the VMs via VirtualBox sharing, so even if a VM does go tits-up, the data should still be easily recoverable. We'll see how it goes.

Thanks for the warning though, I'll keep my fingers crossed that I don't run into that issue!
Systems in use:
:Indigo2IMP: - Nitrogen: R10000 195MHz CPU, 384MB RAM, SolidIMPACT Graphics, 36GB 15k HDD & 300GB 10k HDD, 100Mb/s NIC, New/quiet fans, IRIX 6.5.22
:Fuel: - Lithium: R14000 600MHz CPU, 4GB RAM, V10 Graphics, 72GB 15k HDD & 300GB 10k HDD, 1Gb/s NIC, New/quiet fans, IRIX 6.5.30
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Re: What pointless thing are you doing right now?

Unread postby Shiunbird » Wed Oct 04, 2017 4:03 am

Trippynet wrote:My setup is a bit more simple to be honest, no domain - just a simple workgroup.


Everything began this way, but my friends started getting interested and chipping in for electricity and storage, and it became a nightmare to manage the accounts.

So I have nextcloud, some services in FreeBSD jails (like torrent), a dropbox-thing for my friends to use as cold storage (sends stuff to tape), and an Apache proxy behind the HAProxy so I can handle everything using only a couple of certificates. There's a remote desktop solution for them to browse the internet from work using guacamole, and it's almost all LDAP + the Google Authenticator thing, with a few services requiring VPN. Also shell in a box.

I have two FreeBSD boxes behind the HAProxy (using Dodoid's Mini Indigo), so I can reboot them for patches without service interruption.
I wrote scripts to rotate a few passwords every day (such as guacamole, not using LDAP for that) and yes... it runs MUCH faster than Windows. For example, MariaDB on a Linux VM under Windows answers to keep alive queries from HAProxy in 25ms. In a FreeBSD Jail, it's 2ms. Altogether, the gains of performance make for a very smooth experience, even with my 2x 4Mbps uplink circuits.

Creating individual accounts for me only is fine, but for 8 other guys it became impossible to manage.
Otherwise, I'm a huge fan of the KISS thing, and would not have LDAP or AD.
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Re: What pointless thing are you doing right now?

Unread postby ClassicHasClass » Tue Oct 24, 2017 10:56 pm

Created an AltiVec-accelerated neural network implementation. Even got the activation function to be vectorized (a simplistic approximation of the logistic function, and I'll add some easily vectorized others later). Still knocking some bugs out of the backpropagation, but the damn thing seems to work.
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Re: What pointless thing are you doing right now?

Unread postby commodorejohn » Tue Oct 24, 2017 11:01 pm

You're that much closer to running an AI girlfriend on a G4, man!
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Re: What pointless thing are you doing right now?

Unread postby ClassicHasClass » Wed Oct 25, 2017 6:33 am

No, not really. Since it only implements sigmoidal activation right now it's limited mostly to binary inputs and outputs. ReLU should be vectorizable, though I'd want a leaky variant to avoid being locked at 0.0.

I'm thinking of using this to give the central computer some better monitoring capabilities. It can use a webcam to sample light levels, but it's not really good at that either because of low-light noise, even with some heavy averaging.
smit happens.

:Fuel: bigred, 900MHz R16K, 4GB RAM, V12 DCD, 6.5.30
:Indy: indy, 150MHz R4400SC, 256MB RAM, XL24, 6.5.10
:Indigo2IMP: purplehaze, 175MHz R10000, Solid IMPACT
probably posted from Image bruce, Quad 2.5GHz PowerPC 970MP, 16GB RAM, Mac OS X 10.4.11
plus IBM POWER6 p520 * Apple Network Server 500 * RDI PrecisionBook * BeBox * Solbourne S3000 * Commodore 128 * many more...

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Re: What pointless thing are you doing right now?

Unread postby guardian452 » Wed Oct 25, 2017 2:38 pm

ClassicHasClass wrote: It can use a webcam to sample light levels, but it's not really good at that either because of low-light noise, even with some heavy averaging.


Is it looking at the image data? You might have better luck if you can get the auto-exposure or iris info.

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Re: What pointless thing are you doing right now?

Unread postby itsvince725 » Wed Oct 25, 2017 3:24 pm

Playing around with a Sony Mavica I saved from recycling. Battery's completely dead though, which is a shame.
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Re: What pointless thing are you doing right now?

Unread postby fatalhalt » Thu Oct 26, 2017 12:31 am

I have kicked off NSA/CIA/FBI off my laptop :p

Compiled and flashed git version of Coreboot (after days of research (I had to start from scratch), getting configs right, borrowing some stuff from libreboot, etc)
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Re: What pointless thing are you doing right now?

Unread postby Trippynet » Thu Oct 26, 2017 6:24 am

Currently, I'm swearing mostly.

In the process of building a replacement PC for myself (current one is getting quite old), but I decided I'd keep my current PSU as it's a high-end 850w Corsair modular supply. So, bought a cheaper Corsair PSU to transplant into my current PC to allow me to rob the better PSU for my new system that's still being put together.

PSU arrived today, swapped it over and booted up my PC to be told there was no system drive. Long story short, my boot drive has gone and fried itself, so bye-bye to my Samsung 840 Pro :(

All my important data is safe on separate drives (and backed up), and I've got an old clone of the SSD from about 18 months ago which I've used to bring my PC back to life, but it's bye-bye to a bunch of game saves, Windows settings, bookmarks and the likes that I hadn't backed up recently.

Sod! :(
Systems in use:
:Indigo2IMP: - Nitrogen: R10000 195MHz CPU, 384MB RAM, SolidIMPACT Graphics, 36GB 15k HDD & 300GB 10k HDD, 100Mb/s NIC, New/quiet fans, IRIX 6.5.22
:Fuel: - Lithium: R14000 600MHz CPU, 4GB RAM, V10 Graphics, 72GB 15k HDD & 300GB 10k HDD, 1Gb/s NIC, New/quiet fans, IRIX 6.5.30
Other system in storage: :O2: R5000 200MHz, 224MB RAM, 72GB 15k HDD, PSU fan mod, IRIX 6.5.30

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Re: What pointless thing are you doing right now?

Unread postby VenomousPinecone » Thu Oct 26, 2017 10:19 am

fatalhalt wrote:I have kicked off NSA/CIA/FBI off my laptop :p


Speaking of adversary resistant computing, what kind of steps have you taken to secure that system beyond boot firmware? What OS?

After hardening a few systems I decided that I just didn't have a need for that level of security, as shitposting isn't a crime, yet. :lol:

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Re: What pointless thing are you doing right now?

Unread postby Dodoid » Fri Oct 27, 2017 10:09 am

VenomousPinecone wrote:What OS

What, you're worried about systemd backdoors again? ;)
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Re: What pointless thing are you doing right now?

Unread postby Raion-Fox » Fri Oct 27, 2017 3:54 pm

Systemd is a plot by alien supernazis going after our data. Just ask Terry Davis about the CIA.
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