Auto Scaling AWS [closed] - amazon-ec2

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Do I have to configure auto scaling policy for Amazon only based on API or command line?
Is it right that Amazon does not provide GUI console for configuring it?

Not true. Go to CloudWatch in the console. Just create an alarm, for example CPU > 50, then select an action to add a server. What you cannot do is create auto scaling groups and policies, you'll need the command-line for that AFAIK.
But in my experience it's worth learning the command-line, it's actually easier once you need to do it more than once, and you can record what you did.

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Joomla deployments on multiple webservers [closed]

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Hi we have a Joomla app running in AWS. One DB with multiple webservers. How do we roll out updates done via CMS? When we get to auto-scaling how to we guarantee to get latest code?
We have SVN for other sites but with CMS changes are made outside SVN. We are trying using NFS but that just adds another unneeded layer.

How to backup and restore `ubersvn` data with command line? [closed]

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Currently we can backup ubersvn server data by going to the web interface, log in, go to Administartor, Backup and follow the UI there.
My need is to do it via a command-line/batch command.
We have a blog on how to back up Subversion repositories here: http://blogs.wandisco.com/2012/03/20/how-to-backup-subversion-repositories/
However, that only backs up the Subversion data and not the uberSVN admin stuff (such as users and teams etc). Currently the only way to back this up is via the uberSVN interface.
If you have any further questions gimme a shout here: http://www.svnforum.org/forums/32-uberSVN-Help-and-Support
Mand
Online Operations,
WANdisco

How much will it cost if I use TeamCity + EC2? [closed]

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Is there anyone have experience with using TeamCity on Amazon EC2?
How much will it cost on monthly basis? I will run the build process once a day (most of the time).
Or I should use other solution rather than EC2? We need to have online access to the build server.
Thanks.
I havent use teamcity. But if you have a rought estimate of the application, you can use this:
http://calculator.s3.amazonaws.com/calc5.html

Detect an elite proxy [closed]

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How can i detect an elite proxy?
it's ok if i don't get them all, since it won't be possible
but atleast most of them?
Activities that should require more than one destination (most web browsing) yet constantly show up as the same destination are a good indicator of a proxy.
If a single site accounts for more than 20-30% of a user's request, it might be worth looking into to see if that is a proxy or not. This should mean you'd only ever manually investigate 2 or 3 sites per user. You can adjust this threshold as convenient.
For sure, you need solid logging for your network environment.

Concept of "Performance Counters" in Linux/Unix [closed]

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Windows has a Performance Counters infrastructure. The OS provides some common counters, and I can go add my own. What is the corresponding concept in Linux/Unix?
Take a look at:
OProfile
perfctr
perfmon2
There is also PAPI and PerfSuite.
Several applications exist which periodically check system performance.
iostat, vmstat, and netstat - Run these commands once to get a snapshot of activity.
sysstat - This runs periodically and maintains a history of statistics such as the above.
Munin - As sysstat, but with pretty web graphs.

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