Spyke

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Is there somewhere adults can speak to someone in times of crisis?

I don't know if this helps anyone but here are some crisis resources:

🇺🇸 United States 🇺🇸

Emergency: 911
National Eating Disorders Association: https://www.nationaleatingdisorders.org/help-support/contact-helpline
National Domestic Violence Hotline: 1- 800-799-7233
National Suicide Prevention Lifeline: 1-800-273-TALK (8255); www.suicidepreventionlifeline.org
Suicide Prevention, Awareness, and Support: www.suicide.org
Lifeline Crisis Chat: https://www.contact-usa.org/chat.html
Crisis Text Line: Text REASON to 741741 (free, confidential and 24/7)
Self-Harm Hotline: 1-800-DONT CUT (1-800-366-8288)
Family Violence Helpline: 1-800-996-6228
Planned Parenthood Hotline: 1-800-230-PLAN (7526)
American Association of Poison Control Centers: 1-800-222-1222
National Council on Alcoholism & Drug Dependency: 1-800-622-2255
GLBT Hotline: 1-888-843-4564
The Trevor Project: 1-866-488-7386 or text “START” to 678678. Standard text messaging rates apply. Available 24/7/365. (Provides crisis intervention and suicide prevention services to lesbian, gay, bisexual, transgender, queer & questioning—LGBTQ—young people under 25.)
Veterans Crisis Line: https://www.veteranscrisisline.net/
International Suicide Prevention Directory: http://suicideprevention.wikia.com/wiki/International_Suicide_Prevention_Directory

🇨🇦 Canada 🇨🇦

Emergency: 911
Hotline: 1-888-353-2273
YourLifeCounts.org: http://www.yourlifecounts.org/need-help/crisis-lines

🇬🇧 UK & Republic of Ireland 🇮🇪

Emergency: 112 or 999
Hotline: +44 (0) 8457 90 90 90 (UK – local rate)
Hotline: +44 (0) 8457 90 91 92 (UK minicom)
Hotline: 1850 60 90 90 (ROI – local rate)
Hotline: 1850 60 90 91 (ROI minicom)
YourLifeCounts.org: http://www.yourlifecounts.org/need-help/crisis-lines

🇦🇺 Australia 🇦🇺

Emergency: 000
Lifeline.org: https://www.lifeline.org.au/Get-Help/Online-Services/crisis-chat
LifeLine Australia: 1-300-13-11-14
YourLifeCounts.org: http://www.yourlifecounts.org/need-help/crisis-lines

🇳🇿 New Zealand 🇳🇿

Emergency: 111
Lifeline 24/7 Helpline: 0800 543 354
Suicide Crisis Helpline: 0508 828 865 (0508 TAUTOKO)
YourLifeCounts.org: http://www.yourlifecounts.org/need-help/crisis-lines

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What's the worst way you ever broke production?

Worked for an MSP, we had a large storage array which was our cloud backup repository for all of our clients. It locked up and was doing this semi-regularly, so we decided to run an "OS reinstall". Basically these things install the OS across all of the disks, on a separate partition to where the data lives. "OS Reinstall" clones the OS from the flash drive plugged into the mainboard back to all the disks and retains all configuration and data. "Factory default", however, does not.

This array was particularly... special... In that you booted it up, held a paperclip into the reset pin, and the LEDs would flash a pattern to let you know you're in the boot menu. You click the pin to move through the boot menu options, each time you click it the lights flash a different pattern to tell you which option is selected. First option was normal boot, second or third was OS reinstall, the very next option was factory default.

I head into the data centre. I had the manual, I watched those lights like a hawk and verified the "OS reinstall" LED flash pattern matched up, then I held the pin in for a few seconds to select the option.

All the disks lit up, away we go. 10 minutes pass. Nothing. Not responding on its interface. 15 minutes. 20 minutes, I start sweating. I plug directly into the NIC and head to the default IP filled with dread. It loads. I enter the default password, it works.

There staring back at me: "0B of 45TB used".

Fuck.

This was in the days where 50M fibre was rare and most clients had 1-20M ADSL. Yes, asymmetric. We had to send guys out as far as 3 hour trips with portable hard disks to re-seed the backups over a painful 30ish days of re-ingesting them into the NAS.

The worst part? Years later I discovered that, completely undocumented, you can plug a VGA cable in and you get a text menu on the screen that shows you which option you have selected.

I (somehow) did not get fired.

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What would you like to see done with abandoned malls and corporate offices?

Corporate offices might make good housing, malls could be useful for community services. Medical centres, libraries, hackerspaces, community courses (volunteer led), open up skylights in some of the old stores and build greenhouses for community gardens, temporary accommodation, kitchens for homeless people (and other services), market stall spaces and short term storefronts for small businesses so people can have a fair go at selling their stuff without being locked into years-long contracts. So many good ideas in this thread!

linux

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looking for half-stable Linux distro

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Jumping on the OpenSUSE bandwagon. I use it daily, have been running the same install of Tumbleweed for years without issue. I'm using KDE Plasma which it let's you choose as part of the installation which fulfils that requirement for you as well.

If you're familiar with Redhat you'll feel at home on it. Zypper is the package manager instead of yum/dnf and works really well (particularly when coping with dependency issues.

I've worked with heaps of distros over the years (Ubuntu, Debian, Fedora, RHEL, old school Red Hat, CentOS, Rocky, Oracle, even a bit of Alpine and some BSD variants) and OpenSUSE is definitely my favourite for a workstation.

linux

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Which filesystem should I use for stable storage?

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This for sure. As a general rule of thumb, I use XFS for RPM-based distros like Red Hat and SuSE, EXT4 for Debian-based.

I use ZFS if I need to do software RAID and I avoid BTRFS like the plague. BTRFS requires a lot of hand holding in the form of maintenance which is far from intuitive and I expect better from a modern filesystem (especially when there are others that do the same job hassle free). I have had FS-related issues on BTRFS systems more than any other purely because of issues with how it handles data and metadata.

In saying all that, if your data is valuable then ensure you do back it up and you won’t need to worry about failures so much.

linux

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Former distrohoppers, where did you settle down?

Servers are a different story but for Desktop, OpenSUSE.

Because:

  • It's stable even on their rolling OS (Tumbleweed)
  • Gaming works exceptionally well
  • CUDA works with little effort
  • RPM-based (personal preference)
  • zypper is an excellent package manager and my experience has been better than that of yum/dnf
  • Extensive native packages and 3rd party repos
  • No covert advertising in the OS
  • Minimal (no?) Telemetry
  • Easy to bind to active directory
  • it feels polished and well built
  • I do not have to mess with it to make it work

Part of my transition from Windows to Linux was that basic tasks like installing software or even the OS itself shouldn't be a high effort endeavour. I should be able to point to a package file or run a package manager and be able to go about my day without running "make" and working my way through dependency hell.

I say this as a Linux user of all different flavours for well over 15 years who has a deep love for what it brings to the table. If we want it to be common place with non-IT folks, it needs to work and it needs to be simple to use.

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Is RAID still needed?

Its very much still needed and heavily utilised in the enterprise world. Volume size is usually the lowest priority when it comes to arrays, redundancy and IOPS (the amount of concurrent transactions to the storage) is typically the priority. The exception here would be backup and archive storage, where IOPS is less important and volume size is more important.

As far as replacing sectors goes, I've never heard of this and I might just be ignorant on the subject but as far as I know you can't "replace" a bad sector. Only mark it as bad and not use it, and whatever was there before is gone. This has existed since HDD days. This is also why we use RAID - parity across disks to protect data.

Generally production storage will be in RAID-10, and backup/archive storage in RAID-6 or in some cases RAID-60 but I'm personally not a fan.

You also would consider how many disks are in the volume because there is a sweet spot. Too many disks = higher likelihood of total array failure due to simultaneous disk failures and more data loss in the event it does, but too few disks and you won't have good redundancy, capacity or performance either (depending on RAID level).

The biggest change I see in RAID these days is moving away from hardware RAID cards and into software-based solutions like Microsoft Storage Spaces, md, ZFS and similar. These all have their own way of doing things and some can even synchronise the data with other hosts.

Hope this helps!

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question about self hosting SSO for multiple domains and services.

Authelia is popular, as is Keycloak. I believe Red Hat develops Keycloak or at least has a hand in it.

I'm on this journey as well, figuring out what I'm going to use. Currently most of my services just use LDAP back to AD but I'm looking to do something more modern like SAML, oAuth or OpenID Connect so that I can simplify the number of MFA tokens I have.

Just as an anecdote you may find useful - Personally I used to run an Active Directory for Windows and FreeIPA for my Linux machines and have managed to simplify this to just AD. Linux machines can be joined, you can still use sudo and all the other good stuff while only having one source of truth for identity.

linux

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Enterprise Linux on desktop?

Sort of, OpenSUSE Tumbleweed. I started on OpenSUSE Leap but had issues getting things like GPU and Steam working. Red Hat was also a non-starter because of the lack of gaming functionality.

TW works great for gaming and the enterprise features I care about (like domain joining) work out of the box. Its certainly harder to set up than something more geared towards home use (typically one of the various the downstreams of Debian or Arch) but that doesn't bother me.