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

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EC2 instance initializing with only 1/2 check thus not able to login into my Linux server

Hello friends, Our EC2 instance is initializing with only " 1/2 checks passed " after I detached and reattached my volumes (I did it for some specific debugging purpose). Thus i am not able to login ...
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1answer
16 views

EC2 Single Instance Returning Port 80 for SSL

I have a single instance EC2 LAMP server running on an elastic IP on AWS. I created a self signed certificate and enabled the mod_ssl. Currently, I am able to access my website successfully through ...
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25 views

Load balanced EC2 instances for high performance hosting?

I have a fairly hefty Dell machine with dual quad-core cpus and 32GB memory. On that machine I host a pretty busy forum, but the one machine does everything; web, cache, db, sphinx, etc. I also have ...
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1answer
17 views

Disable NOPASSWD sudo access for ubuntu user on an EC2 instance

How can I disable the passwordless sudo access for the default ubuntu user on an EC2 instance? Is it safe to do it?
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0answers
5 views

Zabbix Disk Monitoring showing value: no data

I'm running Zabbix 2.2.3 and for all my Amazon linux machines it shows the correct total amount of disk space but the free space is listed as "Value: No Data". I have another Ubuntu machine and disk ...
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1answer
46 views

How to run a script within an Amazon EC2 when the instance starts for the first time?

I have made my own AMI's for internal purpose. How do I run a script when the instance is launched using this AMI? How can I do this? My current approach is by adding the script, say myscript.sh, to ...
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0answers
11 views

Cannot access Jenkins on windows server EC2 instance

I have a Windows Server 2008 R2 instance with Jenkins setup as windows service. I can see jenkins is up and running when I browse to localhost:8080 on the EC2 instance but cannot access it ...
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1answer
37 views

EC2 Performance Worse After SSD Upgrade

I have an older EC2 Micro instance with a standard LAMP stack installed as a development environment that was utilizing a magnetic drive. I have the same type of setup in production. I wanted to test ...
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2answers
23 views

configuring https on EC2

I know similar questions have been asked here and I read them all, but I could not get a clear answer. So I am asking here. I have an EC2 instance.It is a dedicated instance running LAMP. Everything ...
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1answer
25 views

ec2 systemd unable to mount nfs on boot and it times out

I'm running latest version of Red Hat Enterprise Linux Server release 7.0 (Maipo): [root@ip-10-184-161-46 ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.0 (Maipo) ...
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0answers
25 views

Amazon EC2: ssh_exchange_identification: Connection closed by remote host, How can it be fixed? [on hold]

I have setup a Wordpress site on an Amazon t2.micro free tier instance, but every 15 I get this error: ssh_exchange_identification: Connection closed by remote host wordpress Can anyone please help ...
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2answers
33 views

Where is the configuration that instructs linux 14.04 to enter single user mode?

I have an EC2 Instance of Ubuntu 14.04 Fails to restart after stop/restart. It was upgraded from 13.x and apparently AWS has the web ui setup to send a 'reboot now' command which instructs 14.04 to ...
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0answers
5 views

Installing SOX on EC2 server?

I could use some help getting SOX installed on an EC2 server. My EC2 server is completely "vanilla" and is using the Amazon Linux AMI (3.4.37-40.44.amzn1.x86_64). Most of the SOX installation ...
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0answers
9 views

Should I use mod_pagespeed for my websites performance? [closed]

Should I use mod_pagespeed for my websites performance. Is it good and secure to use it ? Or I should do all the performance stuff manually like CSS-JS minification and all code handling..
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37 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
42 views

All EC2 outbound traffic is blocked

This is access from WITHIN an EC2 outbound to anywhere. (EC2-BAD) I can get INTO the instance via ssh and I can run my webserver on port 80 and I can ping from another EC2 (EC2-GOOD) in the same VPC. ...
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0answers
25 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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0answers
17 views

Architecture for low-latency RESTful server on Amazon EC2 with Node.js and a database [migrated]

This is a question for DBAs with a lot of practical experience with large scale deployments. We are trying to build an app with very low latency. (We really want to create the best user experience, ...
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3answers
52 views

AWS - Script to create EC2 snapshots and automatically rename them

I'm currently trying to setup a script (using AWS CLI from an Ubuntu server) that will do the following: Create a snapshot of every existing volume. Those volumes already have a NAME tag (Like ...
2
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1answer
25 views

Tcpdump on ec2 not seeing all packets

I'm running tcpdump on an Amazon EC2 instance to monitor HTTP traffic going to Nginx (this is just a test box, the only resource is the example test page). Running tcpdump with the command # ...
0
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1answer
16 views

Routing of pptp clients

I have just configured a PPTP VPN server in an AWS VPC subnet. However, I am unable to ping through to other hosts in the same subnet (as the VPN server). I am not sure whether I am overlooking a ...
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1answer
41 views

How long can I expect an AWS EC2 system-reboot maintenance window to take? [closed]

We recently received notification of an impending system reboot event for one of our EC2 instances during a two hour maintenance window. Expecting max 5 minutes of downtime while the system and ...
3
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1answer
137 views

Latency & speed considerations between 2 servers on Amazon EC2

I'm setting up a system that consists of: 2-4 database servers 2-4 webservers (running Node.js) The webservers use the database servers heavily. Aside from connecting to the private IPs of the ...
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0answers
25 views

How to convert CENTOS5 PV AMI to HVM one?

I asked to migrate existing CENTOS5-basedEC2 server to the new T2 instance. I created AMI, but it can't be launched as T2 instance because T2 supports only HVM virtualization. There are few manuals ...
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1answer
19 views

Apply AMI to EC2 reserved instance

Is there a quick (or any) way to restore an existing EC2 reserved instance back to a base state. ie. Apply an AMI to it and overwrite the existing system? I'd have thought this would be quite an easy ...
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4answers
65 views

EC2 instance snapshot

In my early days as KVM admin, when I had to do a backup of a VM image, I followed the next steps: Pause the VM Snapshot LVM volume Resume the VM Copy image Remove LVM snapshot Now I've got some ...
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1answer
41 views

Why isn't my server responding on port 443?

I have an EC2 server on AWS (Ubuntu 13.04). It's currently running a website on port 80 and I am trying to set up SSL. Right now it does not seem to be responding at all on port 443. telnet: Unable ...
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1answer
20 views

Backing up an EC2 EBS Windows volume offline

I would like to backup offline a Windows EC2 EBS Volume, i.e. on my computer and not in the cloud. Note I can stop the instance and detach the EBS volume if needed. Is it at all possible with Amazon's ...
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1answer
28 views

start EC2 instance with unformatted ephemeral drives?

I'm using ec2 Amazon AMI images, I've disabled cloudinit mounts but the ephemeral drives always contain an ext3 file system is there a way of having a new instance boot without any file system on the ...
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0answers
66 views

Windows 8.1 — PPTP VPN connection dies after a minute or two

First of all, I'm not sure if I should be posting this here on Server Fault or on Super User. Please forgive me if I should have posted it elsewhere. I've set up a PPTP VPN using Amazon EC2. I did ...
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0answers
19 views

EC2 instance with partitions for /boot as ext4 and root / as lvm possible?

I've been playing about with this for a few days now. I haven't managed to find an example of someone running an EC2 instance with the root volume partitioned to have /boot on ext4 (or 3 or 2) and ...
0
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1answer
20 views

connection issue between godaddy shared hosting and amazon ec2 mongodb

I have a site on godaddy shared hosting that is not able to connect to an windows 2k12 amazon ec2 instance running mongodb. Any ideas why I cannot connect? Thanks for your help! Error message: A ...
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2answers
43 views

Why can't I SSH into a new EC2 instance I created from an AMI I generated?

I followed the procedures here: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/creating-an-ami-ebs.html with the exception that I did not shut down the original instance, just let AWS reboot it. ...
2
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0answers
70 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 ...
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1answer
44 views

How do I troubleshoot latency issues with elastic load balancer (ELB) in Amazon AWS?

We have a web app and API hosted at Amazon AWS, with three environments - development (dev), testing/staging (uat), and live. Each environment has a load balancer, two EC2 instances and an RDS ...
1
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1answer
60 views

Find all snapshots created by ami where ami is deleted

Recently we had clean up drive in our Amazon Web Services account. We deleted more than 200 AMIs. Because snapshots for these AMIs did not to delete on delete of AMI. How can I find list of snapshots ...
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3answers
53 views

Switching hosting from GoDaddy to AWS

For the longest time, I've had GoDaddy host my website. I have a domain name that has been registered with GoDaddy and is currently hosted with them. I read this article and created a new hosted zone ...
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1answer
16 views

nohup.out is no longer being appended

I have a Ubuntu Linux ec2 instance that's running on AWS. I used the following command nohup php script.php so that when I disconnect from the instance with SSH, it still runs. The script contains ...
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2answers
36 views

EC2 Attach Instance Store on Start

I'm lunching an instance to host a Cassandra node and i'm testing some shutdown and startup scripts. The instance was lunched from the datastax PV AMI 'ami-8932ccfe'. I added 8GB of SSD EBS storage ...
0
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1answer
23 views

I am having issues connecting to an Amazon RDS instance from an EC2 server, can connect from EVERYWHERE else

I know there are other similar questions on the site, but I haven't been able to find a solution. I have an RDS instance set up. We run our site on an EC2 instance. I know MySQL works on the EC2 ...
2
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2answers
96 views

What constitutes “idle” CPU during T2 CPU credit calculation?

The documentation for EC2 T2 "burstable" types say: The baseline performance and ability to burst are governed by CPU credits. Each T2 instance continuously receives CPU credits at a set rate, ...
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1answer
18 views

EC2 - MS Server 2012 constantly resetting its own time

I have an EC2 box of instance type m2.4xlarge running Windows Server 2012 Standard in a VPC in US-West-2. The following ports are open inbound: TCP 1433 (MS SQL) TCP 3389 (RDP) UDP 123 (time synch) ...
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2answers
44 views

Application access via AWS Load Balancer with autoscaling

I am configuring a test AWS architecture for a web application that I plan to migrate from a dedicated hosting service to AWS. What I have now is as follows : One MySql RDS, where my application ...
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0answers
35 views

How does one keeps Amazon EC2 mount point in sync?

I have /var/www/html/ on INSTANCE_ID=i-xxxxxxxxx and I MUST have same thing on another instance, but I can't use rsync or cron to manually trigger synchronization. How does one accomplish that goal? ...
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1answer
25 views

Openstack Neutron on top of Amazon VPC

Is it possible to run Openstack Neutron within an Amazon VPC and still be able to use all of Neutron's features (GRE mesh network, etc)? I do know about Amazon's ENI and networking tools within a VPC ...
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2answers
85 views

Amazon Route53: Extremely long ns lookup time

I had some failing API calls in a mobile client. In order to investigate, I followed Joseph Scott's advice and executed curl with a few debugging parameters: The results from the Amazon EC2 server: ...
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0answers
18 views

Issue in increase amazon ec2 instance disk space

I have a Amazon EC2 instance of 100GB disk space My disk most probably full only 5 GB space is available so I want to increase space. For increase disk space I followed below steps: - Log into the ...
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4answers
180 views

Postfix setup on AWS EC2 using SMTP relay

On ec2 instance, the IP is dynamic, and if I want to use third party SMTP gateway such as sendgrid, what is the suggested values of the following fields? myorigin myhostname mydestination Assume ...
1
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1answer
35 views

where do i put the cloud-config.txt file

I have created an amazon ec2 instance image (AMI) that I want to use when launching new instances but I don't understand where to store my cloud-config.txt file so that it gets executed during the ...
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0answers
26 views

EC2: Persistent IP/Host for internal communication

I have a few servers on EC2 which intercommunicate using a RESTful interface. Currently, the addresses are saved in a configuration file which lists explicit IPs. This is prone to errors, because it ...