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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My server is slowing down, how to spot the bottleneck?

I'm running a webserver on ec2. When push notification is sent and user flows in, my server goes unresponsive (from a user browser). Top shows cpu is about 10 ~ 50%. I have my database in EBS. I ...
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ec2 m3.medium, right number of process for uwsgi - django setup?

ec2 m3.medium uses http://ark.intel.com/ko/products/75275/Intel-Xeon-Processor-E5-2670-v2-25M-Cache-2_50-GHz processor and it has 10 cores. Am I good to go with 10 processes for uwsgi with django? ...
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2answers
66 views

Issues resetting the MySQL password on an Amazon EC2 'Amazon Linux' instance

Been fighting with resetting the root password for MySQL on an Amazon Linux hosted on EC2. Version: mysql Ver 14.14 Distrib 5.5.42, for Linux (x86_64) using readline 5.1 When installing, I ...
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1answer
7 views

Transfer script files using ssh to my server?

I'm using Amazon node ssh I have a captcha.php script on my local host. How do I transfer that to my Amazon EC2 page? I'm trying to generate a captcha. I'm using Mac terminal and installed xampp.
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13 views

getting permission denied when uploading gfiles using php on ec2

I am trying to upload files using PHP on a Amazon t1.small instance but getting the following error: [ Tue Aug 25 22:04:25.163568 2015] [:error] [pid 6467] [client 120.56.186.247:2440] PHP Warning: ...
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1answer
14 views

Difference between creating CloudWatch alarm for “EC2 Instance Changes” & “EC2 Large Instance Changes”?

Why we are create a separate alarm for "EC2 Instance Changes" & "EC2 Large Instance Changes" ? Mainly why we are create a separate alarm for large instances changes..? or EC2-instances changes ...
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17 views

Filezilla to ec2 windows instance. Error: Connection timed out, Could not connect to server

I'm trying to upload some files to my Windows EC2 instance. These are the steps I followed: Edit (Preferences) > Settings > Connection > SFTP, Click "Add key file” Browse to the location of your ...
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1answer
11 views

dd over ssh poor network throughput performance

I am running a raw block copy of one ec2 instance to another ec2 instance over a local ssh connection using a large block size of 16MB. ssh -i ~/.ssh/id_rsa ubuntu@10.0.59.92 'sudo dd if=/dev/xvda1 ...
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1answer
29 views

WordPress and WinSCP permissions: Getting Upload of file … was successful, but error occurred while setting the permissions and/or timestamp

I have an EC2 instance and in it I use WordPress. To edit WordPress plugins and themes files I use WinSCP. The problem is that if I try to edit a file via WinSCP I get the following error message: ...
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21 views

EC2 WP No errors in mysqld.log yet Error w/database connection?

System information: Linux - latest from AWS | Apache - 2.4.12 | MySQL - 5.5.42 | PHP - 5.4.42 memory_limit: php 128M | wp 64M Running new m3.medium instance and having the database connection issue ...
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26 views

ow to Move Specific files with specific date stamp from one Amazon bucket to folder in the bucket : Linux bash

I have this bucket name in Amazon s3 event-s-event in this Amazon bucket I have millions of files and uploading in it after every hour. Lets suppose I have these files with some names like ** ...
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10 views

Unable to change owner on a mapped drive directory

I am using a script to copy files from amazon instances to a network drive using rsync. After the file copy I am trying to change the owner of these transferred files but am not able to. What is the ...
2
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1answer
57 views

Issue with key pair while connecting to AWS EC2 Instance

I am trying to connect via ssh to my RHEL EC2 Instance, from a Linux Mint computer, and when I run this command: ssh ec2-user@SERVER_IP_ADDRESS I get this error: Permission denied ...
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1answer
31 views

AWS Security Group Rules Limit

Is there any ways to trigger an alert when an AWS security group reach the maximum limit of 50 rules per group and when a maximum of 5 security group per Instance is created?
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38 views

Can't connect to Amazon AWS EC2 Instance (SFTP or SSH) on a new network

On most networks I can connect fine. However on this new wifi network I can't connect. FileZilla just says that the connection timed out.
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10 views

Unable to ssh into EMR cluster from Windows

I keep getting the public key error when ssh from a Windows machine. The kind of error I would fix with chmod 400. How do I fix it in Windows?
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1answer
54 views

Amazon EC2 Security Group inbound rule with a dynamic IP

I'm just getting started with Amazon AWS and EC2 in particular and I was wondering if someone could clarify what I see as a potential problem with EC2 Security Groups. Right now, I'm in the process of ...
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1answer
32 views

Logging into an AWS instance with a non-root user

It seems from the EC2 documentation that one must logon with the specific userid associated with the AMI: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AccessingInstancesLinux.html Use the ...
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84 views

Password less ssh between two Amazon ec2 instances

I have to install an 12.2 instance for that we need a password less SSH connection between 2 applications nodes. I created the instance using a private key called EC2_linux. I am able ssh to another ...
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73 views

Can not upload file to FTPs running on vsFTPd server with VBscript

I'm using vsFTPd to setup FTP + SSL on a EC2 server. I opened the port 20,21 and 64000-65535 on EC2 Security Group and can login/upload... normal on FileZilla, CyberDuck. I also recheck the FTPs ...
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41 views

Upgrade “Bitnami Tomcat 7.0.57-0”'s java to jre 1.8

I'm trying to upgrade java 1.7 to 1.8 on an amazon server. But it doesn't seem to work, because it says it's already up to date. First: java -version Java(TM) SE Runtime Environment (build ...
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1answer
13 views

What happened to my disk volumes

I am new to amazon ec2. I created virtual machines using centos AMI. I also created disk volumes of 50GB for each VM as you can see below But if I go inside any of my VMs, and do df -h it says ...
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83 views

Nginx + Passenger not working — client requests hang until timeout

I'm running on an EC2 instance with Amazon Linux installed and Nginx was installed via passenger-install-nginx-module. The full install process followed was similar to this. The primary difference was ...
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1answer
53 views

DNS , NS and Mail Server configuration for website hosted on Amazon EC2

I created amazon free micro instance on EC2. And hosted my website on that server. IP like - 52.24.220.140 Problem is that , my domain registrar is Directi.com and I don't have mail hosting also ...
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1answer
88 views

Cannot access AWS webserver using public IP

I have a free AWS account and have set up a EC2 Virtual machine on Windows Server 2008 R2. I use RDP to access the VM. I have set up XAMPP and deployed my PHP application in it. I can access it ...
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17 views

Not able to access apache 2 from ec2 instance

I installed apache 2 via this command : sudo apt-get install apache2 It is successfully installed on my amazone ec2 server, but I am not able to access it from my computer. I issued the following ...
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1answer
78 views

Can't connect to AWS EC2 instance from internet

I created my first EC2 instance (linux) using Amazon Web Services, but I can't connect on any port from any host. I changed the inbound rules on my security groups to allow connections from any ip ...
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62 views

Setting up a dev environment on amazon AWS to remote desktop or ssh into for development

What I want is to set up a linux box I can then remote desktop (or ssh) into that I can use from anywhere. However I want a bit more than that and I don't know how to go about setting it up. What I ...
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2answers
65 views

/etc/profile: Permission denied after restarting Amazon EC2

I restarted my Amazon EC2 instance and all of sudden when I log in from SSH via putty I get the error: -bash: /etc/profile: Permission denied -bash: /etc/bashrc: Permission denied Previously I was ...
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115 views

Apache Spark building on Amazon EC2

I am currently building Apache Spark on Amazon EC2 linux VMs, following the instruction from spark.apache.org/docs/latest/building-spark.html. The tools I am using for the building: apache-maven: ...
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1answer
34 views

Improving EC2 ping times from home

I've been trying to run a gaming machine in EC2 following the excellent blog post by Larry Land here. The problem I have is latency from my home to my nearest AWS region. I get a ping of around ...
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1answer
84 views

Docker container doesn't write in amazon EBS volume

In amazon EC2-instance (Amazon Linux AMI 2015.03.0 x86_64 HVM) I mounted EBS volume to /data directory. Now, I have a docker container that I (sudo) run with -v /data:/data. This container creates ...
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39 views

How to Deploy an Hadoop MapR Sandbox in The Cloud?

I'm New to Cloud computing so give me a favor if its a silly question. I have a OVA Template of MapR Sandbox downloaded from this below link. ...
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4answers
94 views

Restricting SSH Access to Amazon EC2 Instance

I am preparing to set up an Amazon EC2 instance. It will be a testing and development machine to allow me to put PHP, Python, etc scripts on a server without being tied down to a local machine. ...
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1answer
338 views

/dev/xvda1 full , though there is no temporary files

I have AWS ec2 micro instance, suddenly it shows memory full. I have checked the folder using df -hcommand. The result is displayed below. Filesystem Size Used Avail Use% Mounted on /dev/xvda1 ...
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87 views

Amazon workspaces registration connection

My workspaces client says I have network and Internet connectivity, and Amazon are reporting no service issues for North America or Europe but the workspaces client says when I click the network ...
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108 views

How to create subdomain using Godaddy and AWS EC2 instance? [closed]

Right now, I’ve set up a domain in Godaddy and have Apache installed in my EC2 instance. The main domain works and I can see the html files from my browser. However, I’ve no idea of how to set up a ...
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55 views

Connect to a private network (VPN) from Amazon EC2 Instance over RDP

Creating a VPN connection and connecting to it works OK. However the "origin" network, used to connect to this Cloud Amazon EC2 Instance is not available anymore (overrided with VPN network). It is ...
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1answer
219 views

Amazon-EC2 ports not opened despite Security Groups and iptables configuration

I just rented an Amazon EC2 server, made to host a node.js app which listen to client on port 9001. I did configure the Security Groups and added inbound and outbound rules on this port. There is no ...
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79 views

How Can I Use The Internet Of My Amazon EC2 Instance On My Windows 8

I have a nice internet connection but when i was browsing on my Ubuntu Amazon EC2 instance using VNC viewer, i became blown away at the speed of it's net. Is their anyway I can harness the internet of ...
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74 views

How to slice video in remote http server using ffmpeg?

I want to slice video from remote host . i am using following command to do this ffmpeg -i https://s3-us-west-1.amazonaws.com/path/to/video/messi.mp4 -ss 00:00:03 -t 00:00:08 -async 1 cut.mp4 ...
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1answer
558 views

Amazon Web Service (AWS) VPC private subnet instance 'Permission denied (publickey).' - ssh from osx

I’m connecting to an Amazon Web Service (AWS) EC2 instance in a virtual private server’s private subnet via a NAT instance and getting the following error: Permission denied (publickey) This ...
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2answers
164 views

ERROR: could not load library “/usr/lib64/pgsql/hstore.so”: /lib64/libc.so.6: version `GLIBC_2.14' not found

I’m trying to enable hstore on my PostgreSQL database running on an Amazon Linux AMI. I’ve already jumped through a ton of hurdles and ended up with this error that I can’t get past: ERROR: could ...
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169 views

how to upgrade Mysql 5.5.30 to 5.6.21 in Amazon ec2

The current installation of mysql is 5.5.30 and it is in Amazon ec2 I want to upgrade it to 5.6.21 I used sudo apt-get install mysql-server=5.6.21 But it says: Version '5.6.21' for ...
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1answer
166 views

Use AWS EC2 to redirect incoming mail

Is it possible to setup an EC2 instance as a mail server and relay incoming mail to my domain to my in-house server on a different port than port 25? Right now I use rollernet.us for this. Which ...
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1answer
23 views

Why the tasks cannot be started?

I have defined scheduled task like it in a windows 2012 server which is running in a Virtual Box. I can start these tasks with schtasks /RUN /TN start-dop001 as a user 'dop001'. The task will ...
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2answers
2k views

How to yum update PHP to version 5.4 on Amazon Linux?

I need PHP 5.4 installed in an Amazon Linux instance. Presently we have: root@ip-10-138-1-229 webapps]$ php -version PHP 5.3.29 (cli) (built: Aug 20 2014 16:41:34) Is there a yum package for this? ...
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1answer
136 views

Why did node version manager install to ~/.nvm instead of just ~/nvm and what is “sourcing” in Linux?

I was wondering about a simple event that occurred while I was installing node version manager on my 64bit Amazon Linux 2014.09 Web Server. When I executed this install script curl ...
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1answer
162 views

command executed in nohup is killed as soon as the putty terminal is closed

I have an Amazon ubuntu ec2 instance I'm using PuTTY to access the same. Here, I have a large database in mysql. I'm executing the following command to take the backup of my database. nohup ...
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2answers
1k views

Using PuTTY private key for new user on AWS EC2 Server

I started an AWS EC2 instance. I can connect to my instance with the user ec2-user using the SSH private key generated by Amazon. I followed the directions at: ...