Amazon EC2 (Elastic Compute Cloud) is a web service that allows users to rent virtual computing capacity on which they can run their applications.

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Nmap from Kali Linux and from Amazon EC2 instance - vastly differing results

I'm running a basic scan using nmap from 1) a VM of Kali Linux running on personal machine 2) an instance of Amazon Linux, running on Amazon's EC2 cloud These two runs (against any target) are ...
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6 views

Unable to establish RDP connection to my Amazon instance (windows server) after changing primary DNS setting

I created a Windows Instance (with private IP) and added to my existing VPC. Everything went fine. I was trying to join the new instance to my existing Active Directory. While doing that I had amended ...
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How can I access a Windows 7 Interface with Amazon EC2 and can I install any software from it?

How could I get access to a windows 7 interface when using Amazon EC2 and can I install software from it? Do I need to use Amazon Workspaces http://aws.amazon.com/workspaces/? The performance of the ...
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13 views

Instance created from shared snapshot gives Server refused our key error [on hold]

I have created an instance from a shared snapshot from other aws account,following steps were done by me, 1.Share snapshot from other account. 2.copy it to my account. 3.create a volume from it ...
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18 views

ClamAV shows errors found, how to find out what they are?

Amazon includes clamav-0.98.4 in its AMI version 2014.09.1 so I installed it and gave it a try on one of my EC2 instances. After updating the definitions with freshclam, I've performed a scan with ...
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Amazon EC2 server cannot connect and access via putty out of sudden [migrated]

I have a ubuntu server setup in amazon ec2 for few months. Today, out of sudden, the server status is not reacheable and putty is not accessible too. I've also rebooted the system, it seems to be ...
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20 views

How does Amazon's Test Drive android emulator run? [migrated]

Hello I've been trying to set up multiple android emulators in a ec2 instance. I've started by running ubuntu server on a t.2-micro and running the android sdk emulator from there. However it runs ...
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1answer
22 views

ping timing out from remote server to home box

I'm trying to connect from a remote ec2 instance to my home box over ssh and it's hanging (no error, just hanging), and I'm not sure why. I am successfully connecting over ssh from my home box to the ...
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1answer
27 views

SSH connection for different user names in Amazon EC2

I am trying to connect two EC2 instances using SSH. SSH connection for the same user name on the two instances gets connected without any issue. While trying to connect with differentuser name I get ...
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27 views

Permission denied (publickey) error when using scp

I had created 3 linux instances on the Amazon EC2 cloud without a passphrase for the private key. I had stored the private key in a file id_rsa in one of my instances(the master) to allow it to ssh ...
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EC2 - Get a list of all instances started and stopped in last week

Is there a way to get a report of all the instances I've started and stopped in the past week? I'm more interested in seeing the individual running time of each.
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27 views

Make hidden folders invisible sftp

My client needed sftp server for sharing files, so I created sftp server on a amazon ec2 ubuntu machine and added different users. Now their need is when user login to sftp server either via winscp ...
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11 views

Making a server “read only” except for me (what the inbound/outbound rules mean)

I have an ec2 instance. It will start a webserver, and my public ip is myip. I ssh into my machine. What should incoming and outgoing rules? Why? I want only my ip to be able to change things on the ...
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43 views

Amazon Instance: High CPU load despite cpu being mostly idle

I have Ubuntu 12.04 running on an Amazon m1.large instance. For a long time it is showing extremely high CPU load(7-10) at all times. Typically top shows the load average like this top - 13:34:40 ...
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45 views

Intalling gdb and pstack on Amazon Linux AMI

I tried installing gdb and pstack on EC2 Instance with Amazon Linux AMI (it was not installed by default), and it's not working. Tried: [ec2-user@ip-172-21-ab-xyz ~]$ sudo yum install gdb Loaded ...
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31 views

getting my domain name to point to my amazon ec2 instance with wordpress into it

I have an EC2 istance on amazon and a domain name bought on hosting24. Inside hosting24 I did change my dns like this: mysite.org. 14400 IN A myAmazonElasticIP www.mysite.org. 14400 IN A ...
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58 views

ssh agent forwarding failing at 6 keys

My client is mac os x 10.9.5. I have a bastion host (linux) that I am ssh'ng into. I have agent forwarding working so I can ssh to the bastion host and then ssh into another machine without having ...
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448 views

EC2 instance Linux, MYSQL log error:InnoDB: Unable to lock ./ibdata1, error: 11

I have a working server running Ubuntu 64bit with apache2 on a t2 micro EC2 instance. The problem is that MYSQL (version 5.5.38) has some bug...I tried everything, delete completely and restart ...
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1answer
55 views

How to establish a VPN connection to an Amazon VPC

I am running an Amazon EC2 instance which I use as a workstation. Right now it's in a public subnet and I connect to it through RDP by using its public IP. However, I'm concerned that this might not ...
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48 views

aws ec2 private public ip issue [on hold]

I have an EC2 machine with various programs running communicating via a number of TCP ports. Post AWS reboot, everything was working fine. Everything was working fine this morning, but now, I am ...
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109 views

Can FreeNAS be implemented on Amazon AWS?

Soon, I will be migrating my data to cloud. Therefore I'd like to know if I could implement FreeNAS on the cloud, i.e., Amazon AWS. Currently, I can only see FreeBSD AMI available in the Amazon ...
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33 views

amazon ec2 intance rhel7 ftp not downloading

this is driving me insane. i am trying to download files using FTP. i tried with PHP's FTP, the FTP binary, WGET, none of them work. They all have the same problem. When get command is initiated, the ...
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64 views

Amazon EC2 - Windows 2012 R2 - Can't RDP to Instance

I created an EC2 micro instance last week and it was working correctly up until now. I tried to RDP into the machine today and I'm unable to connect. I rebooted the machine and tried again with no ...
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1answer
54 views

Exporting AWS instance

I am trying to export my Amazon EC2 instance to a my S3 bucket as a VMware image. I have successfully set up Amazon CLI tools, added my credentials and can run commands. I am using ...
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90 views

Install tuleap on amazon ec2 linux AMI

I'd like to know if it's possible to install tuleap on amazon ec2 linux ami. I searched the net unsuccessfully and when I try to install tuleap with yum, I get conflict errors (with httpd24, ...
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57 views

Installing Qt on an AWS instance

I would like to install the Qt development library on an AWS instance. Running > yum search qt | grep devel on an AWS t2.micro instance produces no matches. Does one have to install Qt from ...
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46 views

Amazon EC2 Instance Continually Loses Connectivity

I am currently running wordpress on an Amazon ec2 instance, which runs fine with no problems most of the time, but occasionally outside connection to the instance shuts down. I can't access it over ...
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1answer
638 views

FileZilla FTP to AWS EC2 Windows Server 2012 Instance: Failed to retrieve directory listing

I am running FileZilla FTP Server on an Amazon Web Services EC2 Windows Server 2012 Instance, and want to FTP in from my home PC using FileZilla Client. I followed these instructions, but using user ...
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27 views

Port tunneling from windows machine to Tomcat on AWS for Jvisuamvm

I have an tomcat server running on AWS EC2 instance. To profile my application sitting on this tomcat server, I am trying to use jvisualvm tool provided by JDK. I am taking the help of this tutorial ...
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1answer
57 views

Stuck on password even though used --disabled-password option in ubuntu

I created a user in aws ec2 with: ubuntu$ sudo adduser --disabled-password user1 per instructions from: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/managing-users.html After I ssh in as user1 ...
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20 views

ELB being too strict with health checks on port 8080

I'm using an Elastic Load Balancer (ELB) on an auto-scaling group with a minimum of two Windows Server 2012 R2 instances. Both are started and pass EC2 health checks. The load balancer is set to run ...
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29 views

PhpMyAdmin and cake on AWS Ec2

Question - I have Cake PHP installed and phpmyadmin in the same root directory (/var/www/html). Now when I try to navigate to my elastic ip/phpmyadmin I get Cake PHP telling me : Error: ...
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86 views

What is the difference between Public DNS and public IP in AWS ec2?

I found that in ec2 there are two things public DNS and public IP ec2-XX-XXX-190-196.ap-southeast-1.compute.amazonaws.com and xx.255.190.196 Both can access through ssh and ping. So ...
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56 views

EC2 AMI instance store backup grub utility required

I am working on backup of whole ec2 volume and image to upload to s3. I'm trying to use RHEL7 and it internally uses Grub2 as bootloader. EC2 AMI tools requires grub legacy loader and I'm struck up in ...
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35 views

Different Amazon EC2 instances with same IP

I am looking at building something similar to a CDN and am wondering if it would be possible to do this with EC2 instances, setting their IP address to be the same? I would like to use the Anycast ...
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307 views

Installing PHPMyAdmin on AWS EC2

I followed Amazon's instructions http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/install-LAMP.html to install a LAMP stack on a Micro EC2 instance running Linux. Installation was successful. I am ...
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140 views

How to stop jbd2 to release a device

In an AWS EC2 instance, we have multiple EBS volumes. When I try to detach any of them, the umount command works, but the device can't be detached. # grep -c xvdj /proc/mounts 0 However, lsof ...
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176 views

I broke SSH by using chmod on an EC2 Instance — How do I correct?

I have been running an Amazon EC2 Instance for a while, and recently accidentally changed permissions/ownership on folders recursively. I can no longer SSH into the instance. I do not recall what the ...
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103 views

Amazon EC2 prompt password when sudo

When log into an ec2 instance via ssh using keypair (logged in as ec2-user user), I'll be able to execute sudo command without typing password. How can I configure ec2 instance for prompting password ...
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1answer
322 views

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

I've set up a PPTP VPN using Amazon EC2. I did that by following this guide. I don't want everything going through the VPN, and instead only want connections to specific IP addresses to go through the ...
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274 views

Error message while connecting to EC2 instance via Cygwin

I am trying to connect my EC2 instance using the directions my instructor provided below: "To connect to EC2 via Cygwin on Windows, you need to handle two key idiosyncrasies. First, the Windows ...
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14 views

I want to stop listing all files and folder using ip in web url of amazon ec2

I create a amazon ec2 instance. Not it is accessible through ip on web. But it is display all files and folders listing to all. So, any one can access my ip and show list all files and folders. I do ...
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125 views

I'm getting 500 server error in when trying to send ajax to codigniter+NGINX in production in ec2

When Im in my local environment when I send with ajax rest post http://localhost:8080/index.php/api/get_user I'm getting an answer from the server (Codeigniter + NGINX). But when I do it with ...
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2answers
65 views

How to access amazon instance using localhost instead ip address?

I create instance of amazon server. Now i can access it using ip address. But i do not want to access amazon instance using ip address. So, any way to access amazon instance without ip from URL. Like ...
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177 views

Ubuntu Cron ec2-create-snapshot

I have a new ec2 Ubuntu instance running. I have properly set up the ec2-api tools. I want to create a daily backup using the ec2-create-snapshot command. Just to test it, I have my script, which is ...
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64 views

Why does a double sudo modify permissions?

Context: sshed into an AWS t1.micro instance running Amazon Linux 2013.09, using the default ec2-user. I'm trying to list the contents of the default postgresql directory: What's in there? $ ls ...
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1answer
55 views

EC2 Windows - Can I use ephemeral storage as root?

Can I use ephemeral storage as the root of my windows instances? I have a auto scaling group with windows instances and I was thinking if I could use the ephemeral storage as root. I'll never turn my ...
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149 views

how to map sub domain to amazon ec2 and main domain mapped to shared hosting

I am trying to map subdomain to amazon ec2 with elastic IP. I already mapped the www.xxxexample.com to my shared hosting by giving the dns server name (ns1.justhost.com). And I created a many ...
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202 views

How to register shutdown script on Amazon Linux in AWS EC2

I am using Amazon Linux (RH-based distro) in AWS EC2. I followed the structure of /usr/share/doc/initscripts-*/sysvinitfiles to create an init script in /etc/init.d. /etc/init.d/do_something ...
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27 views

ec2 enable su for user ubuntu

I am trying to enable rstudio-server login with ubuntu on ec2, but it fails. I think it uses the same auth mechanism as su. So I did sudo passwd su someotheruser su ubuntu But even though I know ...