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RedHat was a major military contractor with job postings like this current one [archive] long before they were bought by another older and larger military contractor.

https://en.wikipedia.org/wiki/IBM_and_World_War_II

https://web.archive.org/web/20240530005438/https://www.redhat.com/en/resources/israeli-defense-forces-case-study (original is 404 for some reason)

them: fedora is the lesser evil

me: but why do they have job listings like this [archive] with requirements like “This position requires daily on-site work at Fort Meade and an active Top Secret/SCI clearance with Polygraph” ? 🤔

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The canonical documentation is https://www.kernel.org/doc/Documentation/filesystems/proc.rst (ctrl-f oom) but if you search a bit you’ll find various guides that might be easier to digest.

https://www.baeldung.com/linux/memory-overcommitment-oom-killer looks like an informative recent article on the subject, and reminds me that my knowledge is a bit outdated. (TIL about the choom(1) command which was added to util-linux in 2018 as an alternative to manipulating things in /proc directly…)

https://dev.to/rrampage/surviving-the-linux-oom-killer-2ki9 from 2018 might also be worth reading.

How to make your adjustments persist for a given desktop application is left as an exercise to the reader :)

I’m not sure what this comic is trying to say but in my recent experience a single misbehaving website can still consume all available swap at which point Linux will sometimes completely lock up for many minutes before the out-of-memory killer decides what to kill - and then sometimes it still kills the desktop environment instead of the browser.

(I do know how to use oom_adj; I’m talking about the default configuration on popular desktop distros.)

does your resume include a sokoban clone?

I think it depends which side of the debate one is on?

$ systemd-analyze calendar tomorrow
Failed to parse calendar specification 'tomorrow': Invalid argument
Hint: this expression is a valid timestamp. Use 'systemd-analyze timestamp "tomorrow"' instead?
$ systemd-analyze timestamp tuesday
Failed to parse "tuesday": Invalid argument
Hint: this expression is a valid calendar specification. Use 'systemd-analyze calendar "tuesday"' instead?

ಠ_ಠ

$ for day in Mon Tue Wed Thu Fri Sat Sun; do TZ=UTC systemd-analyze calendar "$day 02-29"|tail -2; done
    Next elapse: Mon 2044-02-29 00:00:00 UTC
       From now: 19 years 4 months left
    Next elapse: Tue 2028-02-29 00:00:00 UTC
       From now: 3 years 4 months left
    Next elapse: Wed 2040-02-29 00:00:00 UTC
       From now: 15 years 4 months left
    Next elapse: Thu 2052-02-29 00:00:00 UTC
       From now: 27 years 4 months left
    Next elapse: Fri 2036-02-29 00:00:00 UTC
       From now: 11 years 4 months left
    Next elapse: Sat 2048-02-29 00:00:00 UTC
       From now: 23 years 4 months left
    Next elapse: Sun 2032-02-29 00:00:00 UTC
       From now: 7 years 4 months left

(It checks out.)

Surprisingly its calendar specification parser actually allows for 31 days in every month:

$ TZ=UTC systemd-analyze calendar '02-29' && echo OK || echo not OK
  Original form: 02-29
Normalized form: *-02-29 00:00:00
    Next elapse: Tue 2028-02-29 00:00:00 UTC
       From now: 3 years 4 months left
OK
$ TZ=UTC systemd-analyze calendar '02-30' && echo OK || echo not OK
  Original form: 02-30
Normalized form: *-02-30 00:00:00
    Next elapse: never           
OK
$ TZ=UTC systemd-analyze calendar '02-31' && echo OK || echo not OK
  Original form: 02-31
Normalized form: *-02-31 00:00:00
    Next elapse: never           
OK
$ TZ=UTC systemd-analyze calendar '02-32' && echo OK || echo not OK
Failed to parse calendar specification '02-32': Invalid argument
not OK

Marmite was first

Or you could just… learn to use the modern internet that 60% of internet traffic uses? Not everyone has a dedicated IPv4 anymore, we are in the days of mobile networks and CGNAT. IPv4 exhaustion is here today.

Where are you getting 60%? Google’s IPv6 Adoption page has it under 50% still:

(while other stats pages from big CDNs show even less)

If you have ::/0 in your AllowedIPs and v6 connections are bypassing your VPN, that is strange.

What does ip route get 2a00:1450:400f:801::200e (an IPv6 address for google) say?

I haven’t used wireguard with NetworkManager, but using wg-quick it certainly adds a default v6 route when you have ::/0 in AllowedIPs.

You could edit your configuration to change the wireguard connection’s AllowedIPs from 0.0.0.0/0 to 0.0.0.0/0,::/0 so that IPv6 traffic is routed over it. Regardless of if your wireguard endpoint actually supports it, this will at least stop IPv6 traffic from leaking.

ipv4 with an extra octet

that was proposed as “IPv4.1” on April 1, 2011: https://web.archive.org/web/20110404094446/http://packetlife.net/blog/2011/apr/1/alternative-ipv6-works/

Copy left is very much not communist. Get out of here with that tankie rhetoric

i don’t actually think copyleft is communist per se, but i dig that you’re somehow mad about my joke - the intended butt of which was people who (typically disparagingly) insist that it is 😂

yep, since it’s under a “copyleft” (communist) software license that’s how it has to be.

I wrote a comment here about why sealed sender does not achieve what it purports to.

Formally.