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

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Amazon EC2 not responding on port 80 and mysqld will not start

An EC2 instance running Apache 2.2.5 on CentOS 6.4 appeared to be fine up until September 29. That day at 7:49 the Value in CloudWatch was 42, at 7:59 it was in the low 100,000's, the last Value ...
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1answer
71 views

How to RDP securely to an EC2 instance?

I have a VPC with a few EC2 instances running Windows Server 2012 that will be used as workstations (in a similar way to WorkSpaces). Right now they are in a public subnet and users can connect using ...
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59 views

Is the IP based filtering in Amazon EC2 enough to ensure security?

I am hosting a webserver using Amazon EC2 and want it to be accessible only from a particular IP. I have set up my security groups to allow connections from only that IP. ...
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2answers
490 views

Permission denied (public key) ssh ec2 instance mac [closed]

Update2: $ ls -ld ~/.ssh drwx------ 8 user staff 272 2 Oct 17:51 /Users/user/.ssh $ ls -la ~/.ssh/config/file.pem -r--------@ 1 user staff 1692 2 Oct 17:11 /Users/user/.ssh/config/file.pem $ ls ...
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0answers
21 views

Linux pt_BR Locale - Bad Translations

I'm using Amazon Linux AMI 2014.09 (up-to-date) to host my PHP application, that uses locales for internationalization (usually it's pt_BR). On the production server the pt_BR translations is not ...
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1answer
77 views

Cannot mount an existing EBS on AWS

I tried mounting an existing EBS Storage (which has data) to an instance, but it keeps throwing this error. mount: wrong fs type, bad option, bad superblock on /dev/xvdf, missing codepage or ...
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1answer
55 views

Monit on EC2 - Monit works but it doesn't monitor any service

I have a ubuntu 14.04 instance on amazon, I've installed monit with some simple configuration files but it seems like it doesn't monitor them. I have installed monit a couple of times in other servers ...
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1answer
49 views

SSH Passphrase for ppk file

I'm trying to connect to EC2 server, using .ppk file ssh -i key.ppk -l root@dns-name The issue is that, the shell asks for passphrase ? i don't know what is it! Am able to use this key using ...
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1answer
20 views

Install SQL Express 2005 over 2012

I have a Amazon EC2 Windows 2012 with SQL Server Express 2012, but I need SQL server 2005, What I need to do to get it done? Thank you
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0answers
38 views

Mail not getting to users on Google when MX records specified in Amazon Route 53

I configured the MX on my Amazon AWS Route53 and I was told that some of the users don't get any emails with this domain. When I send myself an email everything works fine now, and I doubt that ...
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1answer
243 views

Unable to ssh EC2 using password - “Disconnected: No supported authentication methods available (server sent: publickey)”

I have followed the following steps https://coderwall.com/p/j5nk9w This is what I did 1) $ sudo useradd -s /bin/bash -m -d /home/newuser -g root newuser Entered the Password for the newuser 2)$ ...
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1answer
40 views

Which ubuntu AMI should I choose to create a new EC2 instance? What are the advantage and disadvantages?

I want to set up an ec2 instance which runs Ubuntu 14.04 There are two possible set of candidates of AMI: From the Quick Start menu vs from Ubuntu What should I consider before I make a ...
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69 views

aws cli tool set up - unable to connect ec2 and retrieve instance information

I am trying to use aws configure to set up the cli tool aws configure --profile work AWS Access Key ID [None]: ABCD AWS Secret Access Key [None]: 123456 Default region name [None]: Default output ...
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3answers
88 views

Disk Partitioning on AWS EC2

I'd like to know if it's possible to create a partioned volume and if it even makes sense to do that on an Amazon EC2 server. I have a standard Ubuntu server and I'd like to separate the /home and ...
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230 views

Apache Server 2.4 on EC2 “caught SIGTERM shutting down ”

I'm using amazon linux on an m3.large instance on EC2. I had these logs before my apache server was shut down: [Sun Sep 28 18:54:31.679261 2014] [cgi:error] [pid 32422] [client 67.211.230.58:58937] ...
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1answer
39 views

SSH and HTTP connections refused from ec2 instance, but the instance is in running state

My ec2 instance (CentOS 6.3) has been in running state all time but I was unable to make SSH and HTTP request to the instance until making AMI from the instance and launching new instance. Another ...
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1answer
397 views

PHP install on clean Amazon Linux AMI

I'm trying to get a script working to bring up new Amazon Linux EC2 instances with php55 and the Amazon PHP sdk. However, I'm running into a problem that I think is caused by PHP version conflicts. I ...
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0answers
48 views

custom ami creation and sysprep

I am working through steps to create a custom ami, so far take a base one and install all software needed. shutdown machine with sysprep. create an ami. create instances from it I am wondering how ...
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1answer
47 views

How can I see the windows computer name for an ec2 instance without logging in via RDP?

It seems like this should be straightforward, but I don't see it in the console nor did I notice anything in "describe-instances" for it. Given some alert e-mails are getting tied to the machine name ...
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2answers
90 views

EC2 autoscalling and code deployments

I'm just starting with EC2 load balancer and trying to implement autos-calling and fault-tolerance. The database is hosted in RDS, sessions are shared, files are shared using S3. I can't seem to ...
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0answers
53 views

AWS Instance Suddenly Not Available in Browser - SSH and ping work

I am very new AWS and sys admin so bear with me... I noticed my website was suddenly down today and have been working to sniff out the issue. No site files were changed as far as I am aware. Here is ...
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1answer
62 views

Multiple RDS vs DNS

have a problem I was hoping someone could help me with. We have two RDS read slaves that we have our app servers round-robin to for data reads (DNS in Route53). Well, yesterday those RDSes got ...
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0answers
70 views

EC2 Haproxy stops taking requests

I am using haproxy with Apache to keep alive an EC2 server. Sometimes haproxy stops taking new requests. If I reload haproxy it starts working normally. I have disabled iptables and increased open ...
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0answers
95 views

Configuring NGINX with SSL and Node.js on CENTOS 6 in EC2

I'm trying to deploy a Node.js web-app on a Centos EC2 instance with an elastic IP. The SSL certificate is already setup and properly configured. I would like to allow only https connection to my app, ...
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2answers
46 views

how can I add/remove security groups on running ec2 instances which is not included in VPC?

I want to change the security group on running ec2 instance which is not included in VPC. I read that this is possible only if my instance is running in VPC. I tried to create a VPC and include my ...
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0answers
77 views

systemd-journald: Received request to flush runtime journal from PID 1

I'm using RHEL7 on Amazon EC2 and I'm experiencing issue while booting it up. last few entries from log are: [ 93.000775] systemd-journald[413]: Received request to flush runtime journal from PID ...
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1answer
50 views

Is it safe to create an AWS EC2 snapshot of a volume that is attached to a running instance?

I'm actually upgrading an instance volumes storage capacity, so I have to create a snapshot of the volume first. It's an 80 gig volume, and I started the snapshot process, but later I noticed that the ...
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1answer
57 views

How can I get Puppet generated configuration to include internal hostnames of other ec2 instances in my CloudFormation stack?

I have a stack generated by AWS CloudFormation that includes an EC2 instance (running Ubuntu 14.04) and an RDS (database) instance. They are both inside a VPC, which includes a puppet master (not as ...
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2answers
33 views

Changing ec2 instance type, any side effect?

Hello there i am trying to upgrade ec2 micro instance to small instance. I am going to upgrade it with this. But i assigned elastic ip, lot of alarms, load balancer and mounted s3 on it. I knew that ...
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40 views

amazon ec2 ftp RETR hangs

The problem is with an Amazon ec2 instance "Red Hat Enterprise Linux Server 7.0 (Maipo)" (kernel 3.10.0-123.6.3.el7.x86_64) When attempting to RETR a remote file the FTP client hangs indefinitely. I ...
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1answer
60 views

Amazon EC2 ephemeral drive permissions for SQL Server tempdb

I have an Amazon EC2 instance which is used for long SQL Server queries but is stopped in between. I use the SSD ephemeral drives for tempdb but whenever the instance is started from a stopped state, ...
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1answer
13 views

Amazon CloudWatch Monitoring Scripts different from df command

Hello there i have a ec2 on aws and i installed Amazon CloudWatch Monitoring Scripts in it. It is working great but i have 1 issue when i run df command on ec2 it showing it's / disk usage 70% but ...
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32 views

EC2 Create new Linux user(s) with their OWN Key Pairs?

In EC2, i spinned a CentOS v6.5 instance, and i got a Key Pair as well (of course). But the problem is, i hoped it would be like as usual before that it would creates the ec2-user user, so that i can ...
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1answer
18 views

How to turn amazon ec2's status to failed

i'm want to change ec2 instance status to failed to test status check alarm is working. Also i wanted to it should be easily repaired after that. Because i thought changing network setting will do the ...
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0answers
27 views

adding per-boot script via user data

I am passing cloud config via --user-data-file argument when starting ec2 instance from canonic ubuntu images. It works well but the problem is that some of its commands need to run every boot (i.e. ...
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1answer
86 views

Is it possible to get metadata about the Elastic Beanstalk environment from the EC2 instance

I'd like to be able to extract information about the current elastic beanstalk environment from my EC2 instance, so that I can include this information in error emails sent from my servers. For ...
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1answer
105 views

SSL termination point for AWS EC2? ELB or NginX or..?

I have a number of stand alone java web applications that currently run on different ports and URLS. I would like to expose all these apps behind a single port(443) and map the different public URLs ...
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0answers
48 views

Dedicated per region fee for Amazon EC2 dedicated instances

I'm sorry if this isn't the right forum for this question but I read the rules and it didn't seem to imply I can't ask this... Anyways I'm looking to get some EC2 dedicated instances because I will ...
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1answer
154 views

Any way to block IP address host header spoofing?

I have already added the following the following to my nginx config to deal with spoofed domains: if ($host !~* ^(.*example.org|\d+\.\d+\.\d+\.\d+)$ ) { return 444; } Right now ...
0
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1answer
157 views

Can't access site on EC2 instance via public ip

I have Amazon EC2 micro instance with window 2008 server and deployed one sample web application over there which uses java and deployed on tomcat 7 server. I am able to access it locally on ...
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1answer
82 views

What is the easiest approach to get freeRDP installed onto Amazon Linux?

What is the easiest approach to get freeRDP installed onto Amazon Linux? I've tried using RPMForge but am not having luck. Getting errors that dependencies like libpulse.so.0 are missing. Would ...
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0answers
36 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 got confilcts error (with httpd24, ...
0
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1answer
46 views

Configuration for Ubuntu SELinux with sshd

I am trying to set-up SELinux in an Ubuntu Trusty server, who is an Amazon EC2 instance. I followed the Debian documentation about installing SELinux. The installation work well as seen by : ...
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1answer
51 views

CDN and TTL on local EC2 files

I Have a file in CDN and I need a local copy of it in all of my EC2 instances. I like to set a TTL on the local copy of 5 minute, and have one of the following: Have it Fetch automatically as soon ...
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2answers
47 views

Remote port forwarding through EC2 not working, though address is in use

I have a remote machine running a server which I'd like access to locally. However, I can only SSH into the machine, not use any other ports. I booted up an Amazon EC2 instances and opened all its ...
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2answers
173 views

Upgrade R to 3.1.1 on ec2 via yum

I have an ec2 instance with an older version (3.0.2) of R that I'm trying to update to the latest (3.1.1). This is not available in the default yum repo, but is available under EPEL. The installed ...
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3answers
191 views

EC2 instances in VPC and access to the Internet

I am playing a bit with AWS. I created one VPC (with 10.1.0.0./24 net) and two EC2 instances attached to it. One EC2 has 10.1.0.4, second 10.1.0.5 . I allocated one Elastic IP to VPC and associated it ...
0
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1answer
990 views

upgrade CentOS from 6.5 to 7 in an EC2 Instance

How can I upgrade CentOS from 6.5 to 7.0 under Amazon Web Services EC2 instance? I have added the redhead upgrade tool to my repository and installed it, called the preupg and then imported the ...
0
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1answer
87 views

EC2 firewall not allowing a certain ip address to SSH into any instances regardless of it being added to security group

My security group settings are accurate. I have tried adding the specific ip address that I am trying to connect from and also connections from all ip addresses (0.0.0.0/0), but my connection attempts ...
4
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2answers
126 views

Can more than 1 user log onto a single AWS Linux EC2 instance? (Beginner) [closed]

Sorry, I'm a complete newb to AWS. Taking the AWS Essentials course at end of the month. I have a very basic question: can 2 or more different AWS account holders log onto a single AWS Linux EC2 ...