IRC log for #uphpu on 20121023

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14:07.46*** topic/#UPHPU is Utah PHP Users Group | uphpu.org | November 15: Steve Meyer fridgesm on Responsive Design
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14:35.24DexterTheDragonghost!?! where?!?
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15:30.51ninnypants1<PROTECTED>
15:32.42captbrogersdafu..?
15:32.48captbrogersYou lart and change your name?
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18:08.23TuxToaster$rlart
18:08.24raifbotpulls out a ClueBat (tm) and thwaps jsmith.
18:08.35TuxToaster$8ball were you just ignoring ninnypants?
18:08.37raifbotTuxToaster - Most likely.
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19:01.01captbrogersSlow day today
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20:01.42ninnypantsTuxToaster: I think I had a space in front
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20:02.34captbrogers<PROTECTED>
20:02.38captbrogers$rlart
20:02.38raifbotexplains, ever so gently, that if wps doesn't give the channel more information, they can't help.
20:02.45captbrogershm
20:03.58ninnypantscaptbrogers: yeah seems a leading space trips up most bots
20:19.51TuxToaster$8ball does wps need to give more information?
20:19.52raifbotTuxToaster - Ask again later.
20:20.13TuxToasteryeah it's usually just expecting the line to begin with ~trigger
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20:38.43clondonRackspace guy looks like he's pretending not to read the notepad on his leg lol @Zendcon
20:39.26captbrogersAnyone know why exif_read_data() wouldn't be able to open a file on the same server?
20:41.23stderr-permissions?  what's the error?
20:41.32ninnypantsyeah I would think permissions
20:42.10captbrogersI have tried giving the file 777 permissions and changing the owner to apache, but still nothing
20:42.30ninnypantsand it's a jpeg?
20:42.43captbrogers[Tue Oct 23 14:42:24 2012] [error] [client 127.0.0.1] PHP Warning:  exif_read_data(): Unable to open file in /home/brian/public_html/personal/carmonandbrian_laravel/public/exif.php on line 7
20:42.52captbrogers20120606_0001.jpg
20:42.55ninnypantseverything else would be seen as corrupt I would think
20:42.56captbrogersThat's the name of the file
20:43.42stderr-open_basedir restriction?
20:43.51stderr-I don't know, I literally haven't written any PHP in over 5 years
20:44.07captbrogersVanilla php install
20:44.18captbrogersI haven't messed with any restrictions
20:44.55stderr-where is the iamge located?
20:45.11captbrogers/home/me/path/to/images/image.jpg
20:45.23stderr-so completely outside of the webroot?
20:45.40stderr-Add /home/me/path/to/images to open_basedir
20:45.46captbrogerswebroot is at -> /home/me/path/to/
20:45.58stderr-Ah.  Huh.
20:46.02captbrogersIt is inside the document root
20:46.21ninnypantswhat happens if you drop it in the same folder as your script?
20:46.35captbrogersI'll try that
20:46.37ninnypantsoh and what are the perms on the folder since it's in a folder
20:46.53ninnypantscould be the folder isn't readable by php so it can't get to the image that is
20:47.07stderr-are you passing an absolute path to exif_read_data()?
20:47.34stderr-or just images/image.jpg
20:47.49captbrogersHmm, in the same folder seems to work. I'll work from there, thanks
20:48.00captbrogers~ninnypants++
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20:52.04ninnypantscaptbrogers: maybe something like http://php.net/manual/en/function.chdir.php
20:52.39captbrogersNope, found the problem. There seems to be a error with my brain. I forgot one level in the folder structure, so it couldn't find it, not that it couldn't open the file once found
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22:27.13herlofungus: you around?
22:27.20fungusyes
22:27.39herlodo you have any experience with virtual networks and failover?
22:28.07herlofungus: ^^
22:28.24fungusmaybe
22:28.34herlohaha, okay
22:28.42fungusvirtual networks as in virtual machine networks?  or VLANs
22:28.42herlowell, you mind if I ask you some generic questions?
22:28.45fungussure
22:28.48herloyes, virtual machines
22:29.00herlosorry, I guess that would be good to clarify
22:29.31herloso, I have been thinking about how to setup kvm/libvirt with failover
22:29.33fungusshoot, but remember i'm spoiled by VMware.  I might say, um... it just works.
22:29.39herlohaha
22:29.54herloessentially, I have two machines, kvm-1 and kvm-2
22:30.09herloeach machine will be the backup for the other, should it go down.
22:30.31fungusYou want automatic recovery?  
22:30.39herlono
22:30.45herloluckily :)
22:30.51herlothough I could do that at some point.
22:31.03fungusgood, cause that for sure is just VMware magic.
22:31.05fungus:)
22:31.07herloWhat I'm thinking about is the ways to make configurations simple.
22:31.31herloso I currently have a single bridged interface
22:31.49herlothat interface has a vnet for each VM
22:31.57herlothough that is definitely not necessary
22:32.26herlobridge -> vnet0
22:32.32herlo<PROTECTED>
22:32.35herlo<PROTECTED>
22:32.38herlo<PROTECTED>
22:32.41herloetc
22:32.46fungusand vnet0 is the virtual machines only network interface?
22:32.50herloyes
22:32.58herlowhich works well
22:32.59fungusk, sounds fine.  
22:33.18herlowhat I am thinking of doing is just *replicating* that onto kvm-2
22:33.40fungusoh, all those vnet* interfaces are configured on the host itself?
22:33.49herlo<PROTECTED>
22:33.50fungusnot automatically at VM start.
22:34.08herlothey start when the host starts, yes
22:34.21herloso I was thinking more like
22:34.44herloa central place for the packets to fall, and then routing them properly, but I'm fearful it'll be too complex and painful to manage
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22:35.08fungusbridges are generally better and leave less room for failure.
22:35.36herloyeah, that's kind of my thinking.
22:35.37fungusCan you skip the vnet stuff and make a VM automatically join a single bridge at VM start?
22:35.41herlojust testing my sanity
22:36.15herlothe vnet interfaces are part of the single bridge
22:36.18fungusThen you could just start the VM on another host w/o any special host config
22:36.46herloyeah, I see that, except setting up the bridge, it would be quite simple
22:36.46fungusDo they have to be statically created?
22:36.57herloin the failover case, yes
22:37.16herlobut I could ensure when they are created on the original, they get created on the failover system.
22:38.36herlofungus: looks like this
22:38.37herlovnet3      bridge     br0        virtio      52:54:00:
22:38.41fungusHow does KVM handle live migrations?  perhaps there is something in the process you can replicate to get the network ready on the new host.
22:39.15herloso, I'm not sure how the live migrations happen without a cluster
22:39.25herlowe aren't currently planning on setting up a cluster
22:39.42fungusbummer
22:39.44herloInterface  Type       Source     Model       MAC
22:39.47herlo<PROTECTED>
22:39.51herlosorry, had to repost that
22:40.17herlowell, the cluster is more work than it's worth methinks
22:40.25fungusRight.  I agree
22:40.42herlobut technically, you should be able to do migrations simply even without a cluster
22:40.53fungusThat's what I thought.
22:40.56herlothanks fungus
22:41.25fungusI just figured if the migrations can do all that config automatically, perhaps you could hook into the migration process to get your VMs moved when the main host dies.
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22:41.42clondonQuote of the day at ZendCon. Sebastian Bergmann… "You should avoid testing your privates"
22:42.01fungusclondon, I wholly disagree.  
22:42.08herlofungus: hmm, looks easy: http://docs.fedoraproject.org/en-US/Fedora/13/html/Virtualization_Guide/sect-Virtualization-KVM_live_migration-Live_KVM_migration_with_virsh.html
22:42.09fungusYou should test your privates frequently
22:42.14fungus;)
22:42.18herlolol
22:42.51clondon:)
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22:45.14fungusherlo, that doc says "Both systems must have identical network configurations. All bridging and network configurations must be exactly the same on both hosts."
22:45.21herloright
22:45.26fungusDoes that mean your vnet* bridge stuff too?
22:45.44herlofungus: it just means that I have to have them defined identically, which isn't a problem really
22:45.54fungusIf so, you might be stuck w/ a shell script to copy the network config over.  
22:46.02herlofungus: or puppet :)
22:46.08herlowhich is how I plan to do it
22:46.11fungusoh, nice. that too.
22:46.11herloif I do it that way
22:46.43herlothe debate was more of do I setup routing or just used bridging, but how does that affect migration
22:46.44fungusWow, I really am spoiled by VMware.
22:46.52herlolol
22:47.02herloI think if I just used RHEV, I'd be spoiled too
22:47.21fungusthis stuff is complicated.  Getting better since I last played w/ Xen years ago, but still way hard.
22:47.38herloXen is all gone in RHEL too, so that's nice
22:47.43herloit's all kvm and libvirt
22:47.54herloand I can use the virsh commands to have it ensure state
22:48.05fungusYeah, I like bridges for my VMs.  Keeps things all neat and fast.
22:48.20herloso I'm kind of leaning toward having puppet ensure the vnetX interfaces are in place and the bridge works the way I want and I should be golden for migration.
22:48.45herlothe only other piece would be the vm definitions themselves.
22:48.51herlobut virsh provides that, too
22:49.12fungusaren't they stored in your shared storage already?
22:49.44herloshared storage? hahaha! you make me laugh
22:49.55funguslol, ouch
22:50.18herloI have LUNs for each vm, so i could store the configs there too, I guess
22:51.01herlowe're not doing storage pooling for many reasons. But the most important one is SELinux protection
22:51.16herloisolating off the data and its vm is very important at Linux Foundation :)
22:51.41fungusok, I get that.
22:51.59herloyeah, so no shared storage :/
22:52.06fungusMaybe just a single shared store for all the configs, but keeps the data segregated like that.
22:52.10herlobtw, that is coming, with SELinux intact, it's just not in plac enow
22:52.19herlofungus: yeah, maybe.
22:52.48fungusOr, replication instead of shared storage.
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22:53.31fungusfor simple configs, rsync would probably be sufficient, maybe.
22:53.54herlothat's the nice thing about libvirt, the configs are generally always simple
22:54.10herlohttp://wiki.libvirt.org/page/TodoPreMigrationChecks
22:54.13herlolook what I found! :)
22:54.24fungusGood.  cause it would suck if you lost a host and didn't have any of the configs saved elsewhere.
22:55.11herlolol, yeah
22:55.50fungusUgh, KVM needs hosts to have matching CPU featuresets?  
22:56.06herloI think that's old
22:56.08TuxToasterheh, I used to have  a habit of periodically making tar.gzs of /etc, /var/www/, and /var/lib/mysql
22:56.22herlobut luckily, it doesn't matter since my systems are identical in each pair
22:56.29TuxToasterbecause they didn't have a dedicated backup solution for most of the linux boxes yet
22:56.39herlofungus: oh, that's the other thing, I'm going to be replicating this in 5 sets of systems. :)
22:56.54fungushehe, fun.
22:57.24fungusI guess I should get my hands dirty and really start learning all this KVM/libvirt stuff.  
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22:57.58herloour mail, web, db, infra and dev are all kvm capable systems that will have vms managed by kvm and whatever structure I define.
22:58.23herloso once I get it working on one set, it should translate rather easily to the others. :)
22:58.25fungusEnabling failover and live migrations by simple checkboxes is nice, but makes me feel like a child.  
22:59.25herloyeah, that was nice on the netapp for sure.
22:59.42herlobut I really don't understand how it works, or what exactly it's doing.
22:59.58fungushehe, yup.  
23:09.08herlothanks again fungus
23:10.49SunSparc~karma fungus
23:10.49ibotfungus has karma of 110
23:11.03fungus~herlo++
23:11.33SunSparcibot: who is the most helpful person in the channel?
23:11.34ibotSunSparc: what are you talking about?
23:11.53SunSparcibot: You know, who has the most karma?
23:12.00fungus$8ball Is ibot the most helpful person in the channel?
23:12.01raifbotfungus - My reply is no.
23:12.08SunSparclol
23:12.18SunSparcraifbot is just jealous
23:12.22SunSparc~karmastats
23:12.22fungus$8ball Are you the most helpful person in the channel?
23:12.22raifbotfungus - Signs point to yes.
23:12.27funguslol
23:12.30SunSparc:)
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23:24.01TuxToaster$8ball are you the least helpful person in the channel?
23:24.01raifbotTuxToaster - Outlook good.
23:24.10TuxToaster$8ball are you confused?
23:24.10raifbotTuxToaster - Very doubtful.
23:24.25SunSparcPretty sure of himself.
23:24.30TuxToasteryup
23:24.44TuxToasterfull of himself is more like it
23:25.00SunSparcIndeed
23:26.21SunSparcTuxToaster: We have built some cool stuff on your minecraft server.  Having much fun.  :)
23:28.56TuxToaster~SunSparc++
23:29.10TuxToasteractually saw a couple of interesting Minecraft halloween costumes the other day
23:29.23SunSparcOh yeah?
23:29.31SunSparc~TuxToaster++
23:30.04SunSparcThat would be cool to dress up my kids in minecraft outfits.  One could be a creeper.
23:30.18TuxToasterI guess they weren't intended to be halloween costumes as much, they were from a cosplay expo that I saw pictures of
23:30.29TuxToasterbut yeah there was someone as Steve with a pickaxe and a creeper
23:30.43SunSparcCool
23:32.18TuxToasterhttp://britmorin.com/post/13081927332/pixelated-kleenex-yes-please glad I'm not the only one who saw this and thought it looked pixelated
23:32.46TuxToasterI actually told my kid at the store "This is why people need to learn that you can't resize small pictures into bigger ones"
23:33.14SunSparclol
23:33.27SunSparcIt is minecraft kleenex
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23:57.21TuxToastersure a lot of people Leaving...
23:58.28influx\o/
23:58.30influxgot the jorb
23:59.52TuxToasterby jorb I'm guessing you mean job?
23:59.55TuxToasterand congrats if so.

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