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

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OpenLDAP pwdChecker Library for Amazon Linux EC2 instance

After installing the package openldap-devel, the instance is still missing the portable.h and slap.h files which are needed for the pwdChecker Library. So I was wondering has anyone been able to ...
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131 views

How to provision Node Packaged Modules on a Amazon Elastic Beanstalk EC2

I've an Elastic Beanstalk PHP Application with only one t1.micro instance. I search to install Twitter Bower or another Node Packaged Modules. I find this documentation but I don't find how to ...
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383 views

Ubuntu Cloud Init taking a long time to complete

When I reboot my server, it take about 45 mins for me to be able to ssh into it. I think this is because cloud-init is taking a long time to complete. I deleted the contents of ...
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32 views

Amazon EC2 NetworkOutMetrics alarm causes?

After switching my instance to m3.xlarge, I noticed this spike in network traffic (both in and out (NetworkOut >= 2.0E7 for 5 minutes)). I was running Wireshark just to monitor traffic at this time, ...
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102 views

How to deal with Amazon EC2 network input bytes spikes

I have an Amazon EC2 instance which will periodically receive a spike in network input - always at around 6:45am. It sounds like exactly the same issue in this thread (Analyzing a periodic network ...
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420 views

Cant mount GlusterFS volume on EC2 client

After a few days of trial and error I have successfully created my gluster volume on an EC2 instance (a single one at the moment) and it is successfully started… [root@domU-12-31-39-10-26-7E ...
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224 views

Configuring passive-ftp on Amazon AWS with PureFTPD?

I see with Google this is bothering a lot of people, but I can't seem to get it working. Here is what I've tried, echo myip > /etc/pure-ftpd/conf/ForcePassiveIP echo "30000 30100" > ...
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91 views

Copy files from EC2 instance to remote dedicated server

I'm having trouble copying several very large sql dumps via SSH I used this command: /usr/bin/scp -P 2382 /ec2/path/file.sql root@$123.45.67.890:/remote/file/path/ And also /usr/bin/scp -P 2382 -i ...
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37 views

Settings up a Global home directory file server

I have an existing database of users for which I would like to be able to create a home global directory and mount it for them on an ec2 instance I manage. The user will be encouraged to store large ...
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77 views

Different mpm with httpd and apachectl

I am using Amazon linux on AWS EC2. I have changed the mpm from prefork to worker by uncommenting HTTPD=/usr/sbin/httpd.worker from file /etc/sysconfig/httpd. Now if I run command httpd -l i get ...
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96 views

Need to set up a shared file system for load-balanced site in Amazon AWS

I have two load-balanced nodes and rather than synchronizing two file systems, I would like to try a shared file system. What is the best way to do this in AWS? I am using Windows Server 2003 for the ...
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79 views

How to configure Amazon EC2 Sharepoint instance to use internal LDAP authentication

I've created a Sharepoint Foundation Server instance in Amazon EC2 (inside a VPC) which has a connection into my internal, non-Active Directory, LDAP (I've opened the LDAP port to Sharepoint IP). I ...
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105 views

configure heartbeat HA on Amazon VPC instance

I'm trying to implement HA with Heartbeat (and monit) on two Amazon VPC instances. I read many articles about it and I tried all possible options I can think of. few articles I read (don't work for ...
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155 views

cassandra compaction high load

Since last night I am seeing CPU load spikes on our cassandra boxes(Occasionally load goes up to 20, its a Amazon EC2 c1.xlarge with 300 iops EBS). After digging around a little I believe its related ...
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396 views

Adding second ENI to RHEL on EC2, takes network down

Background: I have a RHEL instance on EC2 inside a VPC. This instance was created with the default ENI (eth0) on subnet 1. Now I have a situation where I am trying to add a second ENI (eth1) to this ...
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137 views

SSH won't work after associating Elastic IP on Amazon Ubuntu 12.04 32 bit micro instance

This morning my EC2 and elastic IP were working fine. All of a sudden, all hell broke loose and my EC2 won't access through my elastic IP anymore. When I did a ssh -vvv I get debug1: Connecting ...
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114 views

nagios volatile service and system time change warning

I have a nagios service with volatile option on (executes event handler every time it encounters a non-ok hard state). Problem is that if the event handler executes for 2-3 times (that is the expected ...
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23 views

Is there a way to paginate an API call to ec2 DescribeImages?

How do you paginate API calls in EC2? I made a simple call to DescribeImages on EC2 (without any of the optional query parameters), and it takes about 20 seconds to respond, returning hundreds or ...
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111 views

Replacing my ec2 root esb volume resulting in no SSH connectivity

I have 2 Amazon EC2 on demand instances running. Instance A - micro - Root Device = EBS backed Instance B - large - Root Device = EBS backed Both instance are accesible using SSH. Both instances ...
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42 views

Elastic IP changed temporarily, now internal messages don't work

I recently setup virtual hosting on my ec2 instance and tried assigned to IPs to it(didn't work, switched back). However my mysql database couldn't be accessed(I fixed it) and my php mailing scripts ...
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1k views

AWS SES: “Email address is not verified” error with Postfix relay

I've setup Amazon SES, verified my domain, and have been approved for Production mode. When an email from the outside world is sent to an address in my domain, my server forwards it back out to a ...
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106 views

Command Line FTP out of EC2 to Webserver

I need some help, I'm trying to automate a folder (100 or so files) via windows Command line. I would like my EC2 windows server to go out and grab a folder from my web host Hostgator. When I ...
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149 views

Load balanced solution on EC2 with IIS app servers behind single IP address

I need to create an auto scaling, load balanced solution on EC2 behind a single IP address with IIS 7.5 as an app server(s). I've got a pretty good working setup with haproxy (as a reverse proxy) ...
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48 views

Testing web box behind a https load balance

I have a 3-tier system setup 2 Load balancers n amount of app servers database boxes / slave boxes. I have SSL setup on the load balancers. Normally when I test a specific server I change my host ...
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64 views

Route HTTP requests to subdirectory to another server

I have a situation where there is a server running IIS7 - it contains a mix of .ASP, .NET and PHP solutions in separate directories. I'd like to install a copy of Wordpress at: ...
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57 views

Strange lockups on Amazon virtual server

The server today had some difficult times - the load suddenly grows up to 5000%, but I did not find any local processes that cause extensive CPU load. But I've found following in vmstat 1 listing. ...
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94 views

Cannot see an EC2 VPN server from another EC2 instance

I'm using openVPN to connect to one EC2 instance from another. The client cannot see the server, however, despite that servers outside of AWS can see the server and successfully negotiate with it. ...
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72 views

Multiple domains going to one IP on an IP based virtual host

We just tried to do a launch and when we started changing the "a records" for multiple domains to point to the new IP. The server had one domain pointing to the IP for days and it was working fine ...
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683 views

ssh with cygwin for amazon ec2 gives permission denied (publickey)

I looked at all other posts that are similar. I'm probably missing something simple since I'm relatively new to this. I have an Amazon-EC2 instance with Amazon Linux. I'm using Cygwin on Windows 7. ...
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45 views

Compiling libraries for Amazon linux

Since Amazon Linux can't run outside of EC2 (if it can please explain) what is the closest platform that I should use when compiling code that should run on a EC2 instance running Amazon Linux? I ...
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228 views

Redirect to HTTPS from my Amazon Elastic Load Balancer

I have a rails app on 2 EC2 Instances running nginx behind an Amazon Elastic Load Balancer. I'd like to force HTTPS, which was working fine before I added in the Load Balancer. Now I can't quite ...
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487 views

nginx with django 502 bad gateway

I have a django installation on my EC2 server which sometimes is working fine. But some other times i keep getting those 502 Bad Gateway errors which don't seem to be a fault in the code because when ...
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74 views

Cannot access data from hbase with amazone ec2

I have a single node Hadoop machine in which HBase is running in the Amazon EC2 instance. Due to some reason the server got restarted. So i need to start Hadoop and Hbase again. Then it's working ...
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114 views

Using own Nameservers on Amazon EC2?

I got a static IP from EC2 and put it to A host part on godaddy to my domain. After that I defined 2 hosts (NS1.domain.com and NS2.domain.com) from godaddy with the same IP address. And put them into ...
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243 views

Video encoding is very slow on Amazon EC2 instance

We are using Amazon EC2 m1.xlarge instance for video re-encoding and it looks like the actual encoding process takes a very long time. For an average 250mb video file it takes about an hour to encode. ...
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342 views

gcc46 and no c compiler found on Amazon EC2

I've been trying to install Gearman on my EC2 instance, but when I try to ./configure gearmand, I get this: checking build system type... x86_64-unknown-linux-gnu checking host system type... ...
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128 views

change dns resolution order on ec2 centos instance

I need a way of telling my ec2 centos instance to look first in /etc/hosts first before queering the dns. In /etc/nsswitch.conf I have "hosts: files dns" and in /etc/host.conf I have "order ...
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124 views

Backing up files from my EC2 instance to S3

Hi I have a set of neat scripts that backup my dbs into db.sql.gz files under a folder on on ec2 host. My files are of the form (as you can see they are weekly rolling backups) ...
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82 views

Creating a snapshot of an attached EBS volume is not working

I'm trying to create a snapshot of an 8GB volume attached to another instance whose device is named sdh5. I originally created this volume myself and mounted it as an ext4 filesystem. Now I'm trying ...
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255 views

How to troubleshoot EC2 fails to reboot?

I really don't understand EC2, or whether it actually uses GRUB to boot my Ubuntu server, but trying to boot my instance gives the following log output: Fri Oct 26 17:05:57 UTC 2012: shutting down ...
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426 views

Can't install NPM after installing Node on EC2 Linux instance?

I'm trying my first attempt on getting a node server set up on an amazon ec2 linux instance. I think I made it quite far. First problem I ran into was when trying to make Node the connection timed ...
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78 views

Load balance using every second request using elastic load balancer on EC2

I might be trying to solve my problem the wrong way here; but we have a backend service that run calculations for about 15 seconds on 100% cpu usage. The idea was to have two EC2 instances fronted by ...
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209 views

Amazon EC2 windows RDP timeout

I've created a brand new Windows 2008 R2 EC2 instance with the following security group: 21 0.0.0.0/0 Delete 80 (HTTP) 0.0.0.0/0 Delete 1024 - 1048 0.0.0.0/0 Delete 1433 (MS SQL) ...
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227 views

Reconfigure a yum package

I'm running an Amazon linux AMI and using sendmail as the mail server. By default, STARTTLS is disabled on this build and I'd like to enable it for SMTP and POP3. I seem to have it configured ...
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171 views

Exporting EC2 Security Groups to iptables

Is there a simple way (script or otherwise) to export amazon security groups' info into iptables format?
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167 views

Using GlusterFS on a mounted volume

I have a GlusterFS working on my Ubuntu 12, if I configure to sync by a local folder, everythings works great. But if I configure to sync on a mounted volume, don't sync. What should I do? I'm on ...
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631 views

Disk doesn't contain a valid partition table

I was running a m1.small instance ec2 ubuntu instance. I was running out of disk space, so I upgraded my instance to medium. When I upgraded I actually got 429.5 GB of space and after that I added 10 ...
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159 views

Notification center using AWS

I'm currently trying to design my architecture and not sure how to set it up. I have a lot of automated clients which I need to send messages to. A user will connect to my server to send commands to ...
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170 views

“iostat” command different in two equal machines

We have several machines on Amazon (ec2) of the type c1.xlarge with 8 cpus, running the Amazon AMI. Details on the machine: 7 GB of memory 20 EC2 Compute Units (8 virtual cores with 2.5 EC2 Compute ...
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575 views

Mysql failed to Start Ubuntu 12.04 EC2

I followed this http://quarkgluon.com/tutorials/MySQL-on-Ubuntu-Lucid-with-EBS-Drive-EC2/ tutorial to move my existing MySQL installation form root EBS volume to new EBS volume everything just go fine ...