@Topslakr@fosstodon.org
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Topslakr

@Topslakr@fosstodon.org

#F1 Fan. Hiker. Linux and ZFS Lover. Audio engineer. Photographer (OM Digital/Olympus). Tea Drinker. Avid Self-Hoster.

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Topslakr, to random
@Topslakr@fosstodon.org avatar

What a wild day.

Posting here about KVM live migrations and working to explain to a(n excellent) junior admin how routers work, gateways, hops, and what ttl means in his ping and traces.

Then, just as I’m winding down, another junior admin mentioned he agreed to do a SQL DB Migration tonight for one of our clients. I’m sure that won’t end up on my plate in a few hours… 🫠

Topslakr,
@Topslakr@fosstodon.org avatar

@mike805 I can try some more complex VMs, for sure, but so far it’s been great. No issues. VM moves, a ping is dropped, and the VM remains running as it had been.

mxtthxw, to random
@mxtthxw@mxtthxw.art avatar

Is there anyway I can Fedi block America without blocking Americans, most of whom are totally cool?

Actually, can that be outside my telephone as well?

Life would be a lot less annoying.

Topslakr,
@Topslakr@fosstodon.org avatar

@mxtthxw American here.

I’d also like to do that…

apgarcia, to sysadmin
@apgarcia@fosstodon.org avatar

Anyone using oVirt, or switching to it from VMware?

Topslakr,
@Topslakr@fosstodon.org avatar

@apgarcia Wow. This is a GREAT idea. I’ve heard much mention of Proxmox, and XCP-NG, but oVirt would be a far simpler change for a lot of VMWare Engineers. I should spin it up to play with again. It’s been too long..

Topslakr,
@Topslakr@fosstodon.org avatar

@fedops @apgarcia This is what I do in my home lab, on Debian Bookworm. I’d want to do some more aggressive testing work though to see how I could make live migrations, etc., work. I know it’s possible, it’s just not something I need here.

I was talking to someone on ‘Practical ZFS’ earlier this week about this too.

If you’d like to see how an Ansible newb sets that up:

https://github.com/Topslakr/Ansible

Topslakr,
@Topslakr@fosstodon.org avatar

@fedops @apgarcia Sure. https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/virtualization_administration_guide/chap-virtualization_administration_guide-kvm_live_migration Or https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/virtualization_administration_guide/chap-virtualization_administration_guide-kvm_live_migration

Topslakr,
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@fedops @apgarcia Now I’m thinking about a fun weekend project to test this all out…

Topslakr,
@Topslakr@fosstodon.org avatar

@fedops @apgarcia So, closing the loop on this..

It was a LOT easier than expected.

I setup a 2nd Debian 12 KVM host. Shared SSH keys for password-less logins. Setup NFS share for the VM disk.Added the 2nd system to my ‘Virt-Manager’ dashboard.

I created a Debian VM, on the NFS share.

Right-clicked the VM and selected Migrate. I used ‘Tunneled’ Migration to use SSH. Took moments. Dropped 1 ping from a different machine.

Topslakr,
@Topslakr@fosstodon.org avatar

@fedops @apgarcia In addition, I tried another test. All the core bits are the same, minus shared storage.

The process took a bit longer, since it had to copy to the disk, but the host had the same experience. Just the one dropped ping.

As you probably know, the dropped ping is expected, since the host now appears on the network from a different physical interface.

But, this worked great using only stable, free, and open source tooling. Pretty neat!

Topslakr,
@Topslakr@fosstodon.org avatar

@fedops @apgarcia Shared storage is what I would do too, given the option. But, if you’re running hyper-convereged, it’s nice to know it’s possible.

For Non-Shared storage - Yes. The tooling to migrate has an option to copy the storage. In virsh it’s ‘—copy-storage-all’.

Tested with virt-manager, cockpit-machines, and virsh without issues both shared and non.

I wouldn’t want to run VMs without ZFS, and am happily using ZFS Snaps being pulled to replica servers for offsite.

Topslakr, (edited ) to random
@Topslakr@fosstodon.org avatar

In lighter news, continues to bring me great photo options. Taken from my seat on the . Trains are great, and I am looking forward to more people taking a chance on rail travel here in the US.

Topslakr, to random
@Topslakr@fosstodon.org avatar

I returned to work today, after an excellent week off, and was delighted that my team did very well while I was out.

Sadly, another team went out of their way to create issues that my team had to jump in and try to solve. They did great with them, but were a bit of out of their depth.

Today has been needlessly stressful and a number of clients are pretty annoyed.

Much as I’d love not to be bothered on vacation, a two minute call or a text could have saved a lot of strife for all involved.

Topslakr, to random
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The Downeaster is packed this morning! I’ve never seen it so full, and we grabbed one of the last parking spots too. It’s school vacation week, but there aren’t a lot of kids on board…
Train is nice and warm, clean and comfy though! 🚉

Topslakr, to random
@Topslakr@fosstodon.org avatar

Gearing up for a couple train rides next week. We’re going to be traveling to Washington, DC for a few days.

I always queue up a pile of fun things to work on while riding the train and then find myself totally absorbed by the scenery rolling by instead…

popey, to random
@popey@ubuntu.social avatar

When BBC News shows a screen recording of a browser on the news, they might want to pre-install an ad-blocker.

Topslakr,
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@popey Other tests area available…

traindriver, to random

Good afternoon!

I’m back to work after a long weekend, following my week of illness.

Today’s job is pretty intensive on the front end, but I’m rewarded with a 2.5 hour break at London Bridge later.

I drive from Gillingham to Luton and straight back to London Bridge for my break.

After my break, I drive to Gillingham, where I’m done for the day.

Whilst at London Bridge, I may treat myself to some nice dinner… I haven’t decided what yet!

Topslakr,
@Topslakr@fosstodon.org avatar

@traindriver Glad you hear you’re feeling better!

mack505, to random
@mack505@feistycricket.org avatar

I might have a new automotive obsession. I survived the Overland-mod Crosstrek; I’ll survive this one too.

Although it’s a lot cheaper…

Motorcycle season can’t come fast enough. Automotive cabin fever gets me every winter.

Topslakr,
@Topslakr@fosstodon.org avatar

@mack505 I’d tune into that on YouTube 😂 I too hear the siren song of this sort of thing, usually in the spring. Itchy feet and the idea of adventure!

rridley, to random
@rridley@fosstodon.org avatar

Fediverse I need some help! I need famous movies that had a 3.5" floppy disk in them as some part of the movie.

So far I have:

  • Hackers
  • Office Space
  • The Net

I gotta be missing at least one or two more.

Topslakr,
@Topslakr@fosstodon.org avatar

@rridley The first Mission Impossible (1996). Takedown (2000).

Topslakr,
@Topslakr@fosstodon.org avatar

@rridley WarGames (1983). Sneakers (1992). Jurassic Park (1993). The Matrix (1999).

rridley, to random
@rridley@fosstodon.org avatar

Bit of a squeeze but everything is in there.

6x 4 TB HDD storage upgrade for the house server

image/png
image/png

Topslakr,
@Topslakr@fosstodon.org avatar

@rridley @JustineSmithies Nice! Congrats!

Keep and eye on those disk temps though. I’ve run into issues in the past where I cooked some drives .. Just a little bit of forced airflow goes a long way!

Topslakr, to random
@Topslakr@fosstodon.org avatar

Spent considerable time this AM wiring up some MIDI cables to my effects units, and learning about MIDI Beat Clock. Pretty neat to see the tempo change in the DAW and the delays change to match.

Love this stuff!

Topslakr, to random
@Topslakr@fosstodon.org avatar

@felimwhiteley You've worn me down. I last used KDE in the V3 Days (On Mandrake, if you can believe it...)

But, I installed KDE on my Debian laptop yesterday, via the testing branch.

(I'd love to use the RC of Plasma 6 but I don't see a tidy way to do that on this install...)

Still has strong 'We're like Windows' vibes to me, but it's working well and I'll keep running it for at least the remainder of the month.

MATE has been usurped, at least for now!

Topslakr,
@Topslakr@fosstodon.org avatar

@felimwhiteley Could well be my system. The hardware I was using is a Chromebook. It works great for Debian, and Fedora, but it’s not exactly ‘standard’. You seem so passionate about KDE, I wanted to try and give it a real go, but alas it wasn’t to be.

The Debian KDE installs worked fine, but KDE wasn’t great. Perhaps that’s down to how Debian sets it up? I don’t know. Still feels like a GUI trying to be Windows, especially with those Windows Vista-esque desktop widgets.

Topslakr,
@Topslakr@fosstodon.org avatar

@fedops @felimwhiteley I’ll try another clean Debian install, with KDE, and see how I go! Thanks.

Topslakr,
@Topslakr@fosstodon.org avatar

@fedops @felimwhiteley Wow. What a difference a clean install makes! A lot of the obvious red flags are gone, like Nextcloud’s desktop client just being invisible.

Ok - New Test! I’ll give THIS a shot the month.

I had taken my MATE install and told apt to install KDE’s desktop, but it wasn’t ‘proper’. It’s these sorts of things that make me still miss CentOS/Fedora. ‘dnf groupinstall’ is a powerful option!

Topslakr,
@Topslakr@fosstodon.org avatar

@fedops @felimwhiteley Ahh, yes. Meta packages. That’s the name.

That is what I used to install KDE onto my existing Debian install. I used ‘apt install kde-plasma-desktop’. Which did work, it just didn’t deliver the same experience as a clean install with KDE selected as the GUI. Perhaps ‘kde-full’ would have been better…

Oh well.

(Still miss yum/dnf though. I’ve never warmed to apt)

tasksel though. That’s a new one for me. That is what I SHOULD have used for sure!

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