this post was submitted on 20 Feb 2025
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I just spent 2 hours trying to figure out why fail2ban didn't increment the ban count.

***
a/fail2ban/etc/fail2ban/jail.local
+++ b/fail2ban/etc/fail2ban/jail.local
@@ -1,6 +1,6 @@
 [DEFAULT]

-bantime.incremet     = true
+bantime.increment    = true
 bantime.rndtime      =
 bantime.maxtime      =
 bantime.factor       = 1

After I found that I seriously considered becoming a goose farmer.

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[–] [email protected] 47 points 2 days ago (4 children)

One time I was trying to figure out why the MySQL command wasn’t connecting.

mysql -h127.0.0.1 -p6033

Eventually ended up having four different people help me in a huddle. After two hours we figured it out… it turns out the argument is -P for port.

I wasted several thousand dollars of company time with a casing issue 🥴

[–] [email protected] 2 points 8 hours ago* (last edited 8 hours ago)

Only several thousand? There was a guy when I worked for Facebook who pushed a config change incrementing a timeout from 5 seconds to 30 seconds in the caching layer. Config changes roll out instantly. Brought down all of Facebook for about two hours. Probably cost them many millions. I mean, good for him.

[–] [email protected] 31 points 2 days ago (2 children)

because of garbage like that I always use the long option names in scripts, even when the short one would be obvious

[–] [email protected] 16 points 2 days ago

Yeah, for scripts that should be the norm. It really helps with legibility and maintainability, not having to have the manual open for 5 programs while tweaking stuff. 👌

[–] [email protected] 2 points 2 days ago

Fair point, I agree. Gets even more fun when I do mtls to MySQL, blech

[–] [email protected] 11 points 2 days ago* (last edited 2 days ago) (1 children)

Reminds me of when I was in University and catching up with some lab work over the summer to get a passing grade. Was doing some 3D programming assignment and I spent I think 5 weeks debugging my stuff.

Turns out I needed to transpose two adjacent lines of code. No syntax errors, no runtime errors, just graphics pipeline not outputting what I expected. Was a nightmare. And not even satisfying to figure it out.

[–] [email protected] 2 points 2 days ago (1 children)

Haha Jesus, if it’s not even satisfying to fix that’s a real shame :(

[–] [email protected] 1 points 21 hours ago

It would've been satisfying had I not wasted my entire summer 💀

[–] [email protected] 7 points 2 days ago* (last edited 2 days ago) (2 children)

know the feel. even funkier with ssh/scp and the like with every other tool using a different case argument for the same

that's how we learn and grow, i guess 🤷

[–] [email protected] 3 points 17 hours ago

I came to the comments to mention that exact experience. There must be historical reasons that SCP uses -P and SSH uses -p but I certainly didn't expect it since they're both from the same package (openssh)

[–] [email protected] 2 points 2 days ago

Oh yeah, you can be damn sure I’ll never make that mistake again.