[Systems] Hosting with SL

[Matthew Ciao]

Hi guys,

just poking around to understand what's the latest news here?
Prasoon/Sam, are you already all up and running or...

Cheers,
*Matthew*




On 21 August 2014 09:29, Matthew Ciao <matthew at laptop.org.au> wrote:

> Hi dogi,
>
> nice email !! :)
>
> I just joined #treehouse - my nick is bashintosh on IRC. I am sysadmin
> @olpcau. :)
>
> Cheers,
>
> *Matthew*
>
>
> On 21 August 2014 08:22, Stefan Unterhauser <stefan at unterhauser.name>
> wrote:
>
>> Hi all,
>>
>>
>> I am dogi devops and take physically care of all the sugarlabs machines
>> hosted in the medialab
>> I am also the main user (virtually) of freedom
>>
>> sorry for my delay,
>> and sorry for this long email
>>
>>
>> but I was busy fixing all the boot issues in the VMs which was hosted on
>> freedom
>> <http://munin.treehouse.su/gar/DOMs/freedom.treehouse.su/libvirt.html>
>> this was due the reboot after the upgrade to 14.04
>> there are 23 VMs on this machine (17 of them are active)
>>
>> even it looks like 2 days of stable running we will know earliest by the
>> end of the month (monthly cron),
>> if all stuff we tweaked the virtual machine host (freedom) survived the
>> upgrade to 14.04
>>
>> anyway bernie thank you for all your help with upgrade :)
>>
>> but keeping in mind that disk I/O shortage is causing an average load of
>> 5
>> I wonder if our best bet for testing is freedom
>>
>> I think the best way of spooling this docker thing ;) down gracefully
>> is to do it at least for now treehouse.treehouse.su
>> <http://munin.treehouse.su/gar/DOMs/treehouse.treehouse.su/index.html>
>>
>> treehouse is as freedom and justice
>> <http://munin.treehouse.su/gar/DOMs/justice.treehouse.su/libvirt.html> a
>> 64GB ram machine, has 12cores in 2cpus instead of 8
>> and is right now in the last process of harddrive testing
>> one of the 2 refurbished hd-drives already failed :( -> I need only one
>> to last
>> I have there two raid1's over at least 3 (sometimes 4) harddrives one in
>> hd and the other in ssd ;)
>>
>> so far I run there some tiny experiments like http://chat.media.mit.edu,
>> http://genome.media.mit.edu:8003, farmier and dirt are both drupals ...
>>
>> treehouse so far is a machine with a plain new ubuntu 14.04 install and
>> is supposed to be next production machine
>> for all the valuable experiments on freedom like http://publiclab.org
>>
>> some of you may wonder what treehouse(.su/gar) as an entity is,
>> it is a loose group of devops and ala
>> which are using the IRC channel #treehouse
>> <http://chat.media.mit.edu/?channels=treehouse&nick=>  on oftc.net to
>> share and an learn about systems administration
>> and got created 2009 backed up by necsys
>> <http://web.media.mit.edu/~mbletsas/> of medialab with the intention to
>> middle between sugarlabs and olpc in form of 2 servers -> treehouse and
>> housetree
>>
>> anyway on #treehouse irc channel right now there are at least 4 people
>> with docker experience
>> isforinsects <https://github.com/GITenberg/> (former olpc sysadmin)
>> nicocesar <https://github.com/nicocesar> (fsf sysadmin)
>> itamarst <https://github.com/itamarst> (https://clusterhq.com/ and
>> flocker!)
>> and
>> myself ... yes did already do 18 months ago first experiments ...
>> I did end up scratching them -> not stable enough at the time ;(
>> ->  but I have a lot of ssh tunnel experience :P
>>
>> also forgot freedom, justice, treehouse and housetree (-> working on a
>> clusterhq version with zfs) are all in the same serverroom
>>
>>
>> long email short
>> I strongly advise not shaking freedom right now more then necessary (only
>> one new thing (update to 14.04) at the time),
>> but can offer temporary access to treehouse which is a machine on its way
>> to be a new production machine
>>
>> Hereby I officially add bernie as root user on new treehouse ;)
>> if all of you send me sshkeys and perferred username I can hook you up
>>
>> xo
>> dogi
>>
>> PS: email is not my forte ... will try to be shorter next time ;) -> I
>> strongly prefer IRC or other sync media :P
>>
>>
>>
>>
>> On Wed, Aug 20, 2014 at 8:38 AM, Prasoon Shukla <prasoon92.iitr at gmail.com
>> > wrote:
>>
>>> Hey all. Just got back from classes.
>>>
>>> @Matthew, @Sam: I have no idea how ssh tunneling works and I've never
>>> done it before,  so I guess if you guys think it's alright then it's fine
>>> by me, too.
>>> ᐧ
>>>
>>>
>>> On Wed, Aug 20, 2014 at 3:49 PM, Sam P. <sam.parkinson3 at gmail.com>
>>> wrote:
>>>
>>>> I like Matthew's the idea of ssh proxying it, but wouldn't a
>>>> nginx/apache proxy be more appropriate?  That seems to be how all the other
>>>> SL stuff goes.
>>>>
>>>> Did you dockerify the redirector thing?  Just wondering :)
>>>>
>>>>
>>>> On Wed, Aug 20, 2014 at 8:44 AM, Matthew Ciao <matthew at laptop.org.au>
>>>> wrote:
>>>>
>>>>> On Wednesday, 20 August 2014, Bernie Innocenti <bernie at sugarlabs.org>
>>>>> wrote:
>>>>>
>>>>>> Status update: Freedom is now running Ubuntu 14.04 and still holding
>>>>>> well.
>>>>>>
>>>>>> I installed docker.io and tried setting up a simple container to
>>>>>> ensure
>>>>>> everything works. It did.
>>>>>
>>>>>
>>>>> Nice one!
>>>>>
>>>>>
>>>>>>
>>>>>> Now we'd be ready to deploy your image and experiment with it. Sam &
>>>>>> Matthew: what should I do next? I guess you need a public ip and a dns
>>>>>> entry for it?
>>>>>
>>>>>
>>>>> For testing purpose I'd SSH tunnel into the system and use dynamic
>>>>> port forwarding to the application listening on localhost.
>>>>>
>>>>> That way you don't need to bind Docker to a WAN facing interface.
>>>>>
>>>>> It's a good security measure that avoids exposing the testing instance
>>>>> until is fully ready and secured.
>>>>>
>>>>> If security is not a concern in this case, then public IP and a DNS
>>>>> CNAME record should do the trick!
>>>>>
>>>>> Sam/Prasoon what do you think?
>>>>>
>>>>> Cheers
>>>>>
>>>>>
>>>>>>
>>>>>> For fast turnaround, please chat me on #sugar, as I don't check my
>>>>>> personal email very often during work days.
>>>>>>
>>>>>> On 08/18/2014 10:20 PM, Matthew Ciao wrote:
>>>>>> > Sure, I'm always on IRC #olpc-au (@freenode) but if you let me know
>>>>>> > where you folks hang out I'll be there..
>>>>>> >
>>>>>> >
>>>>>> > On 19 August 2014 12:16, Bernie Innocenti <bernie at sugarlabs.org
>>>>>> > <mailto:bernie at sugarlabs.org>> wrote:
>>>>>> >
>>>>>> >     Dogi and I are meeting at my place in 20 minutes to start
>>>>>> upgrading
>>>>>> >     freedom to Ubuntu 14.04.
>>>>>> >
>>>>>> >     Then we'll install Docker. If you'll be around in about 1h, any
>>>>>> help is
>>>>>> >     welcome.
>>>>>> >
>>>>>> >
>>>>>> >     On 08/18/2014 10:14 PM, Matthew Ciao wrote:
>>>>>> >     > Hi folks,
>>>>>> >     >
>>>>>> >     > I have some experience with Docker on virtualized systems
>>>>>> (KVM) -
>>>>>> >     we use
>>>>>> >     > it to run our build/cross-compile environments for low level
>>>>>> driver
>>>>>> >     > development here at OLPCAU.
>>>>>> >     >
>>>>>> >     > Glad to lend a hand if needed however Bernie was first so I am
>>>>>> >     second in
>>>>>> >     > the queue of available people for this project :)
>>>>>> >     >
>>>>>> >     >
>>>>>> >     > On 19 August 2014 07:06, Sam P. <sam.parkinson3 at gmail.com
>>>>>> >     <mailto:sam.parkinson3 at gmail.com>
>>>>>> >     > <mailto:sam.parkinson3 at gmail.com
>>>>>> >     <mailto:sam.parkinson3 at gmail.com>>> wrote:
>>>>>> >     >
>>>>>> >     >     Hey,
>>>>>> >     >
>>>>>> >     >     > What access level do you need in order to setup and
>>>>>> >     configure your
>>>>>> >     >     > container(s)? I'd rather not give out root access to our
>>>>>> >     production
>>>>>> >     >     > hosts, but several SL sysadmins can help you.
>>>>>> >     >
>>>>>> >     >     Normally you need root but you can set up a docker group:
>>>>>> >     >
>>>>>> >
>>>>>> https://docs.docker.com/installation/binaries/#giving-non-root-access
>>>>>> >     >
>>>>>> >     >     Sam
>>>>>> >     >
>>>>>> >     >
>>>>>> >
>>>>>> >
>>>>>> >     --
>>>>>> >     Bernie Innocenti
>>>>>> >     Sugar Labs Infrastructure Team
>>>>>> >     http://wiki.sugarlabs.org/go/Infrastructure_Team
>>>>>> >
>>>>>> >
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Bernie Innocenti
>>>>>> Sugar Labs Infrastructure Team
>>>>>> http://wiki.sugarlabs.org/go/Infrastructure_Team
>>>>>>
>>>>>
>>>>
>>>
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>>>
>>>
>>
>
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