#arpnetworks 2013-10-11,Fri

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Who	What	When
mnathani	mike-burns: jbergstroem: thanks	[00:29]
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plett	mnathani: The first thing I did when moving from screen to tmux was to rebind tmux to be on ctrl-a. Not only because that's what I'm already used to, but ctrl-b is a bit of a stretch	[01:55]
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mike-burns	Fun fact: the ctrl-b binding was chosen because the tmux author built tmux while inside of GNU screen.	[01:56]
mnathani	mike-burns: That is funny plett: I prefer not to modify default bindings so I dont have to spend time configuring tmux when using a new *nix box	[01:59]
plett	mike-burns: I picked ctrl-x as a "not ctrl-a" prefix for when I need to deal with nested screens	[02:01]
mike-burns	You must not be an emacs user!	[02:01]
plett	That is correct mnathani: The first thing I do on a new machine is a git pull of my dotfiles repo	[02:01]
mnathani	Is there any benefit from mapping caps lock to be ctrl ?	[02:04]
mike-burns	It reduces the urge to shout at people.	[02:04]
brycec	lol, some say it's more convenient too (keeping your finger on the home row rather than reaching down to the bottom row)	[02:04]
mike-burns	(I also find it convenient.)	[02:05]
plett	I have "/usr/bin/setxkbmap -option terminate:ctrl_alt_bksp -option ctrl:nocaps" in the xinitrc in my dotfiles repo So I have two ctrl keys after that	[02:05]
brycec	Fun fact: I prefer using ` as my binding for tmux. 1 key vs 2 is a HUGE difference in usability :D Yep	[02:05]
plett	I set that up a few months ago, but I haven't yet trained my brain to use to the "capslock" control key instead of the one on the bottom row	[02:06]
mike-burns	I know some vim users who set ctrl = ESC.	[02:06]
brycec	B-b-b-but META = ESC. THOSE MONSTERS Seriously though, think about using ` as your bind key. Sooooooo much better. (And if I have a nested tmux, I just hit `a )	[02:06]
plett	While we're on about dotfiles, I've been meaning to do this rather than manually symlinking the dotfiles I need on each machine http://brandon.invergo.net/news/2012-05-26-using-gnu-stow-to-manage-your-dotfiles.html	[02:07]
brycec	Meh, I don't setup a new machine that often. A few symlinks here and there is just peachy. brycec only has about 5 or 6 machines	[02:07]
plett	Same here	[02:08]
brycec	(on which he cares about keeping his dotfiels) aight I'm off again. whoosh	[02:08]
BryceBot	Bye brycec!	[02:08]
plett	I've been considering (ab)using puppet to push my dotfiles out to every linux box at work	[02:09]
mike-burns	plett: I use https://github.com/mike-burns/rcm for managing my dotfiles.	[02:09]
mnathani	Do you guys ever share screen / tmux sessions when working with other people?	[02:10]
mike-burns	http://mike-burns.github.io/rcm/ - the man pages. mnathani: I sometimes do remote pair programming with screen. http://bit.ly/164zZAj - this is the guide I follow.	[02:10]
plett	mike-burns: Thanks. I'll look at what you do with rcm	[02:14]
mike-burns	rcm was my "can we stop reinventing this each time please?" reaction to everyone's install.sh/Makefile/Rakefile in their dotfiles repo.	[02:15]
plett	mnathani: Not regularly. Most people I need to share things like that with aren't able to comprehend command prompts, so it's something like logmein or teamviewer mnathani: In my experience, people who can understand shells and command prompts to the extent where showing them something in a shared tmux/screen would be useful are also capable of following written instructions instead	[02:16]
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brycec	oy up_the_irons having weird ipv6 issues all of a sudden	[11:51]
staticsafe	what sort of issues?	[11:51]
toddf	weird seems hard to characterize	[11:51]
brycec	(might be me, but wanted to put the word out in case it's bigger than just me. In case it's a repeat of yesterday)	[11:51]
toddf	@google weird ipv6 issues	[11:52]
BryceBot	0 total results returned for '', here's 0	[11:52]
brycec	well for instance that In this case - my ssh/tmux session totally froze. And new connections would just hang... but IPv4 went through no probelm *problem	[11:52]
staticsafe	can you do a mtR?	[11:53]
brycec	(This behaviour is the same as I've seen when trying to push big packets. Small packets are fine, big packets choke.) ewwww HE's SJC node is dropping it like it's HOT	[11:53]
toddf	hot potato!	[11:54]
brycec	up_the_irons: seems to be an HE issue up_the_irons: so... nevermind I guess. (still hanging, even though I'm not seeing any more packet loss from HE)	[11:54]
toddf	try some form of icmp path mtu discovery	[11:55]
brycec	@google icmp path mtu discovery	[11:56]
BryceBot	15,100 total results returned for 'icmp path mtu discovery', here's 3 Path MTU Discovery - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Path_MTU_Discovery) Path MTU Discovery (PMTUD) is a standardized technique in computer ... and send back an Internet Control Message Protocol (ICMP) Fragmentation Needed ... Path MTU discovery - Wikipédia (http://fr.wikipedia.org/wiki/Path_MTU_discovery) Si les messages ICMP type 3 / code 4 sont filtrés, la PMTUd échoue. Les hôtes tentant d'effectuer la PMTUd persisteront à envoyer des paquets trop gros qui ne ... Path MTU Discovery and Filtering ICMP (http://www.znep.com/~marcs/mtu/) Jan 18, 1998 ... This document explains the details of how path MTU discovery (PMTU-D) combined with filtering ICMP messages can result in connectivity ...	[11:56]
toddf	http://pastebin.ca/2465744	[11:56]
brycec	oh clever	[11:56]
toddf	be sure thats ksh not sh ;-) may have bits specific to openbsd, have not tried elsewhere, yada	[11:57]
brycec	looks mostly compatible with bash thanks toddf	[11:57]
toddf	(( i++ < stop )) is ? yeah, I've used this countless times	[11:57]
brycec	(Step 1: Install ksh)	[11:58]
toddf	you could probably switch it to bash albiet a bit more klunky.. while (( i++ < stop )); do .. probably maps to while [ $i -lt $stop ]; do let i=i+1 .. or you might even have to do 'let i=$i+1' not sure	[11:59]
brycec	bam 1234 1233 good, 1234 and up bad super script toddf	[12:04]
toddf	;-) now the question is, which hop is it bad at? ;-)	[12:05]
brycec	which just leaves the question - who do I bitch do *to heh	[12:05]
toddf	you can use it to various routers along the path to determine who's restricting you (I'd start with the 1st, 2nd, etc hop)	[12:05]
brycec	brycec nods aaaand everything's working now Guess if it's all working now, I can shut off the alarm bells. Thanks for walking me through it toddf	[12:06]
toddf	;-) you're still broken, you just have a very specific definition of what is broken, and its likely not arpnetworks ;-)	[12:10]
brycec	Given the 50% loss I was seeing on HE, (and that my transit was 100% HE) I'm pretty sure I know who to blame *whom (I swear I grammar good)	[12:12]
m0unds	what's funny is that most people would see the sentence and think it was correct until you corrected yourself	[12:23]
brycec	lol I'm guilty of ending sentences with preopositions... but I do it anyways because people look at you funny if you rearrange the sentence appropriately.	[12:24]
m0unds	i do it all the time. i don't really care if other people are appalled :)	[12:25]
	pedants be damned	[12:31]
toddf	language evolution: abuse of the language becomes normalized	[12:32]
brycec	For instance, the word "moot" A total 180 from its original meaning Boggles the mind to realize that it has taken on the precisely opposite meaning	[12:33]
toddf	aint	[12:33]
brycec	I use aint. Nothin' wrong with it. I also use y'all... Way more eloquent than saying "you all"	[12:35]
toddf	when I was growing up, teachers would say "aint aint a word" and prove it by not finding it in the dictionary. my wife takes great pleasure in finding it now.	[12:36]
brycec	lol I remember teachers saying the same. "Ye" isn't a word either, yet people use it all the time. (It's a mispronounciation of "the" written with a character we think to be a "y")	[12:36]
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ant	http://www.webhostingtalk.com/showthread.php?t=1302567	[14:22]
mike-burns	brycec: "ye" was a word, but not a definite article. It was a form of "you".	[14:24]
toddf	ant: hahahaha	[14:27]
brycec	touche mike-burns However, its most common modern use is in "ye old inn", used as an article :p	[14:32]
mike-burns	Oh sure. It's not really a 'y' but a y-shaped character there, as you said. A thorn after many evolutions.	[14:34]
brycec	Yeah that's it (I couldn't recall its name)	[14:34]
mike-burns	Icelandic still has the letter. So far as I know it's the only language that kept it. (I gave a lightning talk on thorn, "ye", "the", and "thou" at my last company retreat.)	[14:35]
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brycec	up_the_irons might be interested to see this Chunkhost vs ARP disk IO wait time https://dl.dropboxusercontent.com/u/3167967/screenshot_2013-10-11_15-36-26.png	[15:37]
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up_the_irons	brycec: :)	[15:44]
brycec	I know, it doesn't take much to beat them ;)	[15:44]
m0unds	my graphs are misleading (arp vps) because they're really variable but when you look at the values, you laugh hahahaha average iowait: 2.6ms today's avg is 1.08ms the high value for today is 2.71 good stuff	[15:44]
up_the_irons	"$1,000 bonus if cogent agree to drop our contract without further payments"	[15:45]
brycec	2.71ms? or s?	[15:45]
up_the_irons	ant: LOL	[15:45]
m0unds	ms 16:45 < m0unds> average iowait: 2.6ms 16:45 < m0unds> today's avg is 1.08ms	[15:45]
brycec	No units 15:45:19 < m0unds> the high value for today is 2.71	[15:46]
m0unds	oh ms haha	[15:46]
brycec	And sadly, as you can see from my graph, 2s is feasible (on $competitor)	[15:46]
m0unds	yeah that's been my experience too either really inconsistent (fast, then excrutiatingly slow) or consistently mediocre for too much money	[15:46]
brycec	I'm excited because I have just one final service to migrate and then I can wipe my old VPS	[15:48]
m0unds	nice	[15:48]
brycec	(Unfortunately it's likely to be the most annoying - VPN server. And I set the server name on most clients to the fqdn of the old host, so I'm going to have to steal its fqdn to move the clients over.) (which means fun with DNS propagation too) (wish I'd just used vpnserver.domain.com or some such)	[15:49]
m0unds	hahaha when i'm transitioning stuff off a box, the old one invariably gets "dingus.domain.tld"	[15:53]
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up_the_irons	brycec: so is BryceBot now on your ARP VPS? :)	[17:08]
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brycec	yes up_the_irons Should be quicker overall	[18:22]
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avj	anyone using virtio on their openbsd vps? i was wondering if i should switch to it	[18:39]
brycec	I've used it privately And there is a significant boost in throughput	[18:41]
avj	interesting	[18:44]
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brycec	The difference between virtio and basic ide emulation was the difference between a 5 minute openbsd install and a 30 minute install. (A lot of time spent on formatting)	[18:47]
staticsafe	virtio <3	[18:49]
lteo	um, how does one switch to it? :)	[18:50]
avj	awesome! i don't generate a lot of disk-bound activity, but i figured i'd get it going since i've been sticking to -current snapshots about once a month i think something needs to be changed in the kvm config for each instance, lteo based on one thing i just read a few moments, of course	[18:50]
lteo	ah	[18:51]
brycec	Correct. Just a quick, simple change in the kvm config. Assuming that you're using DUID in fstab, then it will all come back up peachy keen.	[18:53]
avj	do you know if it needs to be a coordinated switch, bryce? or is it something i can request be done and handle myself with a hard power down and up i have zero experience with kvm	[18:56]
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up_the_irons	your vps has to be on >= kvr27 also iirc up_the_irons heads home from the office	[18:57]
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avj	well ploppers, i'm on kvr26	[19:14]
brycec	lol well I'm sure up_the_irons will be happy to move you. But it's going to involve some coordinated downtime :p	[19:14]
avj	my vps is also criminally underused, so i don't think i need to worry about any performance issues of course :) good lord, i've only used 23GB of bandwidth since Oct 2012	[19:15]
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m0unds	lol total data xfer since jun - 1.46GB	[19:28]
avj	another insanely-heavy user, i see	[19:33]
m0unds	there's a bunch of us	[19:44]
avj	i'm sure	[19:48]
m0unds	iirc, there was someone else who hit an unbelievable 8GB since january	[19:49]
avj	it's like a terrible version of #idlerpg, but one that costs real money	[19:50]
m0unds	haha	[19:50]
avj	monthly awards should be given to the users who utilize the fewest resources while maintaining a machine that's actually booted up man, i think i just found my next great idea now i just need to find people who hate their money idlevps.com isn't registered! see you suckers on my yacht	[19:52]
m0unds	hahahaha	[19:55]
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hazardous	wat hahaha what man rx / tx / total / estimated today 15.73 GiB / 63.73 GiB / 79.46 GiB / 87.41 GiB	[21:57]
brycec	today 121.33 MiB / 156.88 MiB / 278.21 MiB / 302 MiB lol	[22:03]
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