Amazon Elastic Compute Cloud (EC2) provides self-service, on-demand, pay-for-what-you-use computing infrastructure resources.

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59 views

Does AWS Elastic Beanstalk Swap Environment Url swaps environments for git push?

I have read the docs for zero downtime on aws but cant seem to understand what happens in this scenario? I have a environment running in production called 'red' I duplicate the environment as 'blue' ...
3
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891 views

xen:balloon: reserve_additional_memory: add_memory() failed: -17

We're running Ubuntu 14.04 on an EC2 virtual machine. I've been seeing a lot of these errors in our kernel log: [ 704.032085] xen:balloon: reserve_additional_memory: add_memory() failed: -17 [ ...
2
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730 views

AWS ELB session stickiness issue when multiple AWSELB cookies exist in a single request

I have two web apps - App-A & App-B - running in 2 EC2 instances (both web apps are running in both instances) fronted with an AWS ELB. The session stickiness is enabled using 'Application ...
2
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0answers
263 views

Ubuntu 14.04 / Apache 2.4 causes kernel fault on Amazon EC2 medium instance

Got a disturbing crash while performing 'apachectl stop'. General system: $ uname -a Linux www.example.com 3.13.0-24-generic #47-Ubuntu SMP Fri May 2 23:30:00 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux ...
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165 views

nginx and php-fpm performance cpu bound

in peak hours our server is cpu bound. we are hitting 100% cpu. using php5-fpm and nginx on a large ec2 instance. to serve around 50 million requests per day. we are using this server to serve JSON ...
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1k views

EC2 DNS not resolving hostname to internal IP

I already posted this on the AWS forums without success (https://forums.aws.amazon.com/message.jspa?messageID=502441). I'm wondering if I'll be more lucky here. We have an internal DNS setup that ...
2
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0answers
101 views

EC2 Ubuntu SSH Stops Working

I use about 15 EC2 instances to run some services. They are hosted on EC2 and run Ubuntu. Every once in a while the SSH stops working and the "Reachability Status" in the EC2 console shows that it is ...
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249 views

How to make Statsd talk to Ganglia on EC2 (localhost)

As per topic, Im just trying to make this simple setup work. The services are running fine, but as far as I can tell statsd doesn't send anything over to ganglia. Ganglia is working fine I guess since ...
2
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379 views

How can I use huge pages and libhugetlbfs on a Debian EC2 PVM instance?

On my local machine (i7 9200) running Debian Wheezy amd64 I can get some significant speedups on some "big data"/HPC type stuff by: Following the instructions here to reserve some RAM for huge pages ...
2
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298 views

How can I whitelist oubound-from-private-subnet traffic to S3 on the NAT instance of an EC2 VPC?

I'm researching privacy-compliant high-security deployment options for AWS VPC. I'm looking for a method of tightening outbound traffic from the private subnets at the NAT instance. For example, how ...
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70 views

Programmatically add EC2 execute nodes to Grid Engine cluster

I am running Grid Scheduler (fka Sun Grid Engine) on Amazon Web Services. Master node is running all the time, but I want to programmatically add nodes to the cluster (also remove - but remove is not ...
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144 views

Amazon EC2 Instance running Ubuntu doesn't connect with non ec2-user

I have an Amazon EC2 instance running Ubuntu 10.04. I created my new user with sudo useradd -d /some/path new_user. Using the new_user, I created a new rsa key, using ssh-keygen -t rsa in the ...
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313 views

Phing SSH connection to Amazon EC2 fails to authenticate

I'm trying to connect to Amazon EC2 with phing. This is my script. <ssh username="ec2-user" pubkeyfile="C:\Users\asd\Downloads\aws-nr1.public" ...
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0answers
539 views

Connectivity issues with dual NIC machine in EC2

I'm trying to get some servers set up in EC2 in a Virtual Private Cloud. To do this, I have two subnets: 10.0.42.0/24 - Public subnet 10.0.83.0/24 - Private subnet To bridge these two, I have a ...
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2k views

EC2 Linux AMI with ffmpeg (no yasm?)

I'm running a Basic 64-bit Amazon Linux AMI 2011.09 (AMI Id: ami-953b06e1) and I want to install ffmpeg into it so I can use it convert video. These are the commands I run after firing up a new ...
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9 views

ModSecurity on Apache 2.2 in EC2 - HTTP Status 413 messages dropped

Hi I am running Mod_Security on Ubuntu instances in EC2 behind an Elastic Loadbalancer. The app is a Ruby App. I have set SecRequestBodyLimit 293601280 When I upload files below that size, they are ...
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66 views

“A new version of /boot/grub/menu.lst is available” when upgrading Ubuntu on an AWS server

I just tried to do a sudo do_release_upgrade on an AWS EC2 Ubuntu 13.10 server to upgrade to 14.04. All was going well until I got the following message: A new version of /boot/grub/menu.lst is ...
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33 views

Can't create/write to file '/mnt/temp/something' (Errcode: 13)

I changed the tmp directory of the mysql configuration to a mounted disk and on service mysql restart I get following error: Can't create/write to file '/mnt/temp/something' (Errcode: 13) To my ...
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100 views

Ubuntu on EC2 boot error after dist upgrade to 14.04: disk drive for / is not ready yet or not present

I just upgraded my Ubuntu 11.10 EC2 instance to 12.04, then to 12.10 and finally to 14.04 using the do-release-upgrade command each time. I arrived at 14.04 and the instance will not boot now, it ...
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80 views

Amazon EC2 T2 Small Instance CPU Usage Exceeding Limits

I am running WHM/Cpanel on an CentOS6.5 AMI on a Amazon EC2 T2.micro Instance. T2 instance baseline performance and ability to burst are governed by CPU Credits. Each T2 instance receives CPU Credits ...
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55 views

Amazon AWS connection issues

I have a strange issue with my Amazon EC2 instance. I have created the following: m3.medium instance hosted in the Amazon cloud This instance runs the following a. Apache Tomcat application server ...
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50 views

Allowing multiple IPs behind ELB in Apache configuration

I have multiple application servers running as EC2 instances. Only certain bare-metal servers running elsewhere are allowed to contact them and their IPs whitelisted explicitly in the httpd.conf @the ...
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59 views

Available Instance types for marketplace ami's

I based my autoscaling AMI's on the Turnkey Linux nginx AMI from the marketplace. I am now unable to select any of the newer generation instance types; for instance, my autoscaling uses m3.large type ...
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91 views

EC2 AMI instance store backup grub utility required

Working on backup of whole ec2 volume and image to upload to s3. Using RHEL7 and it internally uses Grub2 as bootloader. EC2 AMI tools requires grub legacy loader and I'm struck up in this loader. ...
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167 views

Sendmail in Ubuntu always fail [outgoing SMTPS(465)]

I'm using sendmail in ubuntu hosted at amazon ec2 hosting. Also I have a paid account (domain) in godaddy, so I want to use godaddy as relay host. I did EVERYTHING based on this tutorial: ...
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154 views

Getting high CPU usage on EC2 running Plesk

I've been running Plesk on an AWS EC2 instance for over a year with no major issues. All of a sudden yesterday I start getting severe CPU spikes / periods which has made my uptime about 16% over ...
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102 views

Why my amazon m1.small ec2 instance goes 100% everyday at exact time

Not sure what is happening, my instance goes 100% CPU usage two exact times during the day one at 11:33 UTC and another at 3:38 otherwise rest of the day usage is under 10%. I didn't find: 1. Any ...
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0answers
40 views

svnadmin dump returns error insufficient disk space

I have a SVN repo that is around 35GB after dumping. I know this is huge, but our business requires that all revisions of all files and libraries be tracked. I have Apache Subversion hosted on an ...
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68 views

Can I use ZFS to replicate (fast) EC2 instance store to (slow) EBS store?

I love the idea of using SSD EBS instance stores as L2ARC and ZIL for a zpool backed by EBS. Going further (and into more dangerous territory), could I instead create a zpool mirror with the 2 ...
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351 views

How do I install a bitnami LAMP module by SSH command line?

This is a pretty straightforward question that I cannot seem to find an answer for. I already have a running Bitnami LAMP stack on an Amazon EC2 instance. Where do put the installer ...
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39 views

Issue while setting up a DSN while creating a linked server

I am trying to set up a linked server to my sql from sql server. However I am encountering problems while setting up the dsn. Reffering this link for help. My MySQL database resides on Amazon ec2 ...
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73 views

cannot reach munin port on other AWS instance

2 AWS instances, in the same region but different availability zones, one is in regular EC2 and the other is in VPC, both have an Elastic IP, both are 64bit Amazon Linux AMI 2014.03.1. Both are ...
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22 views

Amazon EC2 instance was not available for few minutes (amazon showed that everything ok)

Few minutes ago my amazon Ec2 instance was unavailable for a few minutes. During this time neither I was able to connect to web-site with http, nor I was able to ssh to it. Also I was not able to ...
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1k views

How to install latest Tomcat7 using yum on AWS EC2?

I'd like to install the latest (7.0.53) Tomcat on an AWS EC2 instance running Amazon Linux. If I were to do "sudo yum install tomcat7 -y", I would only get version 7.0.47, as shown by " yum list ...
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33 views

RabbitMQ server randomly, mysteriously stopping

I installed RabbitMQ on my EC2 box following the RPM install instructions from their website. My OS is CentOS. Every now and then, the rabbitMQ server just stops running, nothing shows up in the ...
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296 views

SSL Returning Blank Page, No Catalina Errors

This is my second, maybe third, time configuring SSL with Tomcat. Earlier I had created a self signed, which worked, and now using my signed is proving fruitless. I am using Tomcat, operating from ...
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184 views

Amazon ec2 - Error occurred during initialization of VM Could not reserve enough space for object heap

I don't have any experience of working with servers, so please explain your answer in detail or provide a link to support your answer. I want to restart server and executing command for that gives ...
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0answers
1k views

nginx service won't start after reboot + won't give output for service nginx status or start

A few weeks ago I configured an ec2 ubuntu server for my rails app. everything worked great. the database is on RDS and I use nginx and passenger for the rails app. anyway everything worked great ...
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0answers
129 views

Convert an HVM ec2 instance into something that can be run on a PV instance

I have a linux VM running on an esx-i server at home, and I would like to import the vmdk to aws using the ec2-import-instance command. However I really don't need this to be any larger of an ...
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0answers
227 views

Why would HAProxy reject traffic from one location but not another?

I am able to access all of the sites with no issues and our customers are placing orders without any difficulty but at one of our locations where we have a lot of users constantly hitting the site, ...
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115 views

How to downgrade OpenSSL on Amazon EC2

I'm using a version of the Amazon Linux AMI (v 2013.03) that comes with OpenSSL 1.0.1 installed as described here: http://aws.amazon.com/amazon-linux-ami/2013.03-release-notes/. I have an application ...
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0answers
178 views

Amazon EC2 IIS 8 SSL FTP results in 534: Local policy on server does not allow TLS secure connections

I have an Amazon EC2 Windows 2012 server. It is configured with a dozen sites, one of which is an FTP site that requires SSL. Currently it's set with: Basic Authorization Specific group for ...
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113 views

EC2 - editing .bashrc causes terminal to hang and checks to fail

I've been testing this for the past few hours with no luck. When launching an Ubuntu 12.04 EC2 micro instance, I SSH to it, create a new user and continue with installing Ruby version manger under ...
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196 views

Amazon EC2 instance of Windows Server 2012- unable to connect to simple webserver

Using Amazon EC2 I have successfully launched a Windows Server 2012 instance and configured it to run a Tomcat webserver. From within the VPS itself, I know the webserver is working because I see the ...
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108 views

AWS Dev-to-Production Build Process

I'm a developer, so not nearly as experienced as I would like to be with server administration. Essentially, I am trying to figure out how to create a base image (AMI) that can be used in development, ...
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316 views

Apache bloodhound installation, AWS host not serving site

Following the installation instructions here I went through the entire process on an AWS instance. Everything seems to be setup correctly, I can even run BH off the development server using: tracd ...
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73 views

OpenSSH server fails to start after resizing EC2 instance

I had a medium EC2 instance which I changed to a small instance. After doing so I could no longer SSH in to the instance. Looking at the console output I see: * Starting OpenSSH server[74G[ OK ] * ...
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142 views

Why does Process Explorer cause highly targeted failure of some applications / basic UI functions in a high-power EC2 Windows instance?

Update: I have determined that Process Explorer itself - the program I am using to debug a performance issue - seems to be the cause of the issue. See note, with updated question, at end. I am ...
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118 views

Amazon EC2 pem file stopped working suddenly

I was connecting to Amazon EC2 through SSH and it was working well. But all of a sudden, it stopped working. I am not able to connect anymore with the same key file. What can go wrong ? Here's ...
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357 views

Hostname via Cloud-Init on CentOS running on EC2 do not work

I setup the cloud-config on the user-data for a CentOS 6.4's EC2 instance, and it looks like do not apply. #cloud-config manage_etc_hosts: true preserve_hostname: false hostname: ...