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dwarren has joined #arpnetworks mercutio: mnathani: you may want to try just using a http proxy
if you do multiple installs it'll easily cache the bulk of files, and won't waste bandwidth doing heaps of updates of packages you don't use. ***: hive-mind has quit IRC (Ping timeout: 265 seconds)
hive-mind has joined #arpnetworks mnathani: mercutio: would squid be the best option for the http proxy? brycec: I've used apt-cacher-ng in the past. It's targeted with Apt (Debian, Ubuntu, etc) obviously, but also supports/caches Yum/rpms mercutio: mnathani: squid is an easy option brycec: (In my environments, I was supporting both) mercutio: i use trafficserver myself, but trafficserver uses raw partitions, whereas squid can just use disk space as it requires. mnathani: does apt-cacher-ng run as server code on an another box, or is it client software? mercutio: i transparently proxy anyone who uses dhcp :/ brycec: (acng for that matter also just uses the filesystem like normal)
mnathani: It's a proxy server mercutio: apt-cacher-ng may work fine, never tried it. brycec: just set the CentOS boxes to use ip.address:3142 as a proxy
Never tried transparent proxying with it though. mercutio: i set explicit proxies in places too.
well it's useful if you download some archive in one place then want it in anothe rplace
you can just download it again and it'll go uber fast, rather than having to scp it mnathani: does transparent proxying dhcp users require a specific dhcp option to be used? mercutio: nope plett: It wouldn't be transparent if the client had to be configured to do it brycec: (but does require a specific network setup) mercutio: it just means you transparently proxy whatever range of ip's you're giving out over dhcp mnathani: what 'server' or 'router' takes care of the transparent proxy or deciding what IPs to proxy brycec: The router/gateway would mercutio: i have a linux box that does that, and runs the dhcp server and acts as gateway for nat
it's used as a desktop too though mnathani: does it have 2 physical NICs? brycec: Most likely by a pf or iptables rule that redirects all connections from a given range of IP's to a port on the proxy, whether that be the same system or a separate server. mercutio: if you're running dhcp then you can just run dhcp server on linux box easily. plett: I use apt-cacher-ng, but only for Debian apt repos, I've never tried it with yum clients mercutio: mnathani: nah only one
well it's got infiniband and ethernet
so yeah it goes in and out the same interface. mnathani: separate Vlans? mercutio: nope mnathani: infiniband for storage? mercutio: well ip over infiniband, and i use it from my windows box.
for remote files, and for proxy :/
i have proxy on ssd hah
it still doesn't seem to really go faster than 30 megabytes/sec often
lots of small files don't relaly get speed up that quickly.
but even over wireless it tends to go more than 10mb/sec
i think it's cos there's a mix of cached/uncached..
i'm updating ubuntu on my chromebook atm. it's bloody slow at installing updates. ***: medum has quit IRC (Ping timeout: 245 seconds)
medum has joined #arpnetworks mnathani_: mercutio: will the proxy work even if different machines request files from different mirrors?
to cache the content I mean brycec: acng handles that transparently. Traditional proxying will not. BryceBot: That's what she said!! brycec: BryceBot: no BryceBot: Oh, okay... I'm sorry. 'acng handles that transparently. Traditional proxying will not.' mercutio: mnathani_: nope
mnathani_: not unless you have a rewrite rule
i set everything to the same mirrors brycec: That's a bear to do with CentOS since it defaults to using mirrorlists. Either I edit every repo file on each machine, or I set the proxy=
(And I went with proxy, obviously) mercutio: brycec: does that thing you use do rewrite? brycec: 13:43:55 brycec | acng handles that transparently. Traditional proxying will not. mercutio: ahh brycec: It has a text list of mirrors, and all requests matching that list go into a general "centos" folder (or "debian", etc)
(and yeah, that's part of the default config too) mercutio: how does it handle missing files on mirrors etc?
that being much less of an issue now days than it used to be brycec: No idea mercutio: with debian i used to repeat entries for when that happens BryceBot: That's what she said!! mercutio: i haven't been doing so recently though brycec: from what I can tell, the client would have to retry from a different mirror. The only thing "rewritten" is where the cached data gets stored and pulled from, it doesn't affect the url fetched (mirror used) mercutio: oh ***: relrod has quit IRC (Quit: ZNC - http://znc.in)
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