Amazon Elastic Compute Cloud (EC2) is a cloud-based computing platform.

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How to Connect to an AWS EC2 Instance via Virt-Manager

I've been searching Google and dabbling with this on and off for the last day, so I figured I'd throw this out there in case anyone has a better idea. I'm trying to use virt-manager to connect to my ...
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145 views

How to create AMI instanse store from ubuntu disk image?

There are good images on ubuntu website: http://uec-images.ubuntu.com/saucy/current/ When I try to make my own AMI: ec2-bundle-image -i saucy-server-cloudimg-amd64-disk1.img ec2-upload-bundle -b ...
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304 views

Synchronise clocks on ubuntu running in EC2?

I've got three servers running on AWS EC2 using official Ubuntu AMIs using paravirtualisation. I have noticed their clocks are out of sync by about a minute. NTP is not installed by default in the ...
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1answer
137 views

Ubuntu not enough space on AWS EC2

I have 25GB volume on EC2. OS is Ubuntu 12.04 LTS. I can connect to it, but cannot even write 1KB. I tried to delete some files and write again - the same result - not enough space. I tried to check ...
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52 views

Checking my juju instance through Amazon's AWS console? [closed]

I'm pretty new to juju and I recently followed a few tutorials on how to deploy Wordpress (https://juju.ubuntu.com/docs/getting-started.html) and a sample Ruby on Rails application onto my Amazon AWS. ...
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1answer
79 views

installing pptpd on ubuntu ec2

I am running this line in ubuntu: sudo apt-get install pptpd and here's the output I get: Reading package lists... Done Building dependency tree Reading state information... Done The following ...
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0answers
104 views

Securing Amazon EC2 Ubuntu server

I'm about to launch a product I'm working on into alpha phase but before that I'd like to ask a bit about securing my Ubuntu server 64bit which is hosted at Amazon AWS EC2. The problem is my software ...
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1answer
170 views

From a bare minimum Ubuntu to something like an AWS Ubuntu standard image

If I am given a bare minimum ubuntu machine in a private cloud environment with almost nothing installed on it(not even apt-get and ubuntu repositories configured) and the only user is root, what are ...
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110 views

Why tomcat take so much CPU usage on each 4:00

I have a EC2 server,Ubuntu 12.04.2 LTS x64 and with tomcat 7.0.40 installed.It works fine in the past two months,but it sends a CPUUtilization alarm email on UTC 04:00:00 everyday.I found the tomcat ...
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1answer
2k views

Make an Amazon EC2 instance ask for sudoing password

I've launched an Amazon EC2 instance of Ubuntu Server 12.04 and it's all fine except, unlike with my local Ubuntu, the EC2 instance never asks for any passwords when I'm sudoing with the command line ...
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2answers
250 views

Creating a “deadman” switch using Ubuntu to shutdown EC2 instance

I've put together a simple "deadman switch" using upstart to automatically shutdown my EC2 instances after a period of time. I'm doing this to avoid the dreaded Monday morning blues when you realized ...
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1answer
256 views

Juju on AWS t1.micro (or other) reserved instances

The smartest (often) way to run instances on AWS is to buy "reserved" instances - for either one or three years. My goal here is to run the WordPress charm on t1.micro instances as per the default ...
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1answer
106 views

Differences between AWS Ubuntu Image and a fresh install?

I've been using Ubuntu only on AWS for a year now. I'm now trying to set up a virtual environment as similar to my AWS one as possible, and I'm kinda confused. When I spin up an AWS server, the magic ...
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1answer
791 views

Login to webmin with user has no password (SSH)

I have an simple Ubuntu 12.04 instance running on AWS EC2 I have webmin installed and accessable, but am presented with a login requiring username and password. As part of the AWS install, you don't ...
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1answer
203 views

Create folders in remote server after ssh login using commands

I need to create folders on the remote server, i try to ssh to the server and then create folders. The logs display that the ssh is successful but it stops after that and the screen stays at the home ...
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1answer
132 views

juju: deploying lamp charm on ec2 causes instances to terminate

I was running a ubuntu 13.04 instance on ec2. I have juju .7 installed and bootstrapped. when I tried to deploy lamp, it caused the instance to terminate. ubuntu@ip-10-62-73-113:~$ juju status ...
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0answers
109 views

getting the latest hadoop image from ec2

When I run: ec2-describe-images -x all | grep hadoop-images AWS returns a cool list of hadoop images that I can use. I am running Hadoop 1.0.4 (the latest stable release). How do I know which ...
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24 views

where are the ec2 / aws variables in hadoop?

I am reading a book that has a tutorial on how to setup hadoop on linux, and it says: You must configure the single initialization script at src/contrib/ec2/bin/hadoopec2-env.sh. Inside that ...
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1answer
171 views

Where is hadoop-ec2-env.sh in the Hadoop packages?

I'm unable to locate the file hadoop-ec2-env.sh. I've downloaded and intalled hadoop_1.0.4-1_x86_64.deb from http://mirror.olnevhost.net/pub/apache/hadoop/common/stable/ This is the most recent ...
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0answers
178 views

Permission denied creating file on Ubuntu Server (Amazon EC2 instance)

sudo has been working fine for installing applications and running scripts, but when I try and create a file I am getting a "Permission Denied". I have tried: sudo cat > file.conf and sudo echo ...
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0answers
19 views

How do I specify an AMI in Juju? [duplicate]

This solution no longer works How to specify ec2 instance types for different services in a charm? since using the default-image-id option in the environments file has been deprecated.It mentions in ...
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328 views

Mail Server: system requirements

I want to create a mail server for personal use. It will be used mainly by me and possibly some family members. The system load will be in the order of 5-10 IMAP mailboxes, all for "human" use: no ...
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2answers
215 views

Tried to follow the EC2 Juju guide and it fails

I am evaluating Juju and when following the very basic tutorial https://juju.ubuntu.com/docs/getting-started.html, literally following every single instruction to a T, all I end up when trying to ...
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1answer
463 views

How can I tell if port 465 is open for outbound traffic? [closed]

I have an Ubuntu 12.04 server set up on AWS EC2. I'm trying to configure Railo to use Simple Email Service (SES) via an SMTP call (see "Sending Email with the new SMTP Support for Amazon SES" for ...
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1answer
100 views

using juju with elastic block storage ( EBS )

Is there a way we can use EBS for ec2 instance with juju. And possibility of scaling the storage after the deployment, Thanks
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300 views

How can I monitor cloud-init for errors, and trigger a script when it fails?

I'm using cloud-init to provision servers in AWS, and would like my servers to send an email when they're done (whether they fail or succeed). For successful cloud-init runs, the solution is trivial. ...
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2answers
1k views

what can be causing /etc/cron.daily/apt to hang?

Lately I've been getting a mail from the server every day, Subject Cron <root@host> test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.daily ) Body ...
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0answers
150 views

Any Ideas on a Better Browser Enabled Cloud Desktop using Ubuntu 12.04, Gnome and Amazon Web Services?

I am currently using NoMachine's NX Web Companion free product using java as well as FreeNX to access a Gnome GUI Ubuntu 12.04 instance running on Amazon Web Services Free Tier ec2. What I have ...
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1answer
243 views

blocking all outgoing ports and its consequences

Is this the right way to block all outgoing ports? : ufw default deny outgoing But what are the consequences of doing this on amazon ec2? I'm running possibly unsafe perl scripts on my instance and ...
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2answers
2k views

How to give a new user permissions to call sudo without a prompt for sudo password?

I am setting up a server in Amazon EC2. I created an image from Amazon's provided images of Ubuntu x64 12 LTS. My goal is to set up a secure svn server there, where access is only possible by IP ...
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1answer
181 views

“Permission denied (publickey).” error when trying to ssh into server

I am trying to connect to a server via SSH. I am getting the following log from using the command: ssh -vvvT ubuntu@ec2-176-34-121-133.eu-west-1.compute.amazonaws.com. Please could someone help me ...
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5answers
14k views

Errors running apt-get update and apt-get install mysql-server

Since yesterday I've been trying to run apt-get update unsuccessfully in Ubuntu instances I am creating on the EC2. In specific I've been getting these errors: Ign http://security.ubuntu.com ...
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486 views

Ubuntu 12.04 failed mysql installation

I have deployed Ubuntu 12.04 on the Amazon Cloud and I am trying to install Nagios and Nconf, while following this guide. When I install the prerequisites, I get this error on installing mysql: ...
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219 views

Ubuntu mailing services with Magento [closed]

I'm having some issues with sending emails out from Magento. I'm very new to Ubuntu and had been playing with it for the past 2 days. Is there anything I need to do to allow my mail to be sent out? I ...
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1answer
1k views

How can I stop unattended-upgrades from rebooting the machine?

I just had a look at my Amazon EC2 instance and noticed I had 20 minutes exactly of downtime. I didn't know what caused it so I logged in to SSH and tried upgrading my packages, and saw that the ...
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1answer
749 views

How do I optimize apt-fast with Amazon Web Services (AWS) mirrors?

I know that Amazon Web Services has hosted mirrors that I can use to update my Ubuntu machines. I know there is a tool called apt-fast that makes multiple connections to a mirror server to improve ...
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99 views

Connections to ubuntu server running on EC2

I have a ubuntu EC2 with its default settings. I'm using it for a web application that receives request from iPhone apps. I was trying to do a stress test to see how many connections could be handled ...
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1answer
322 views

multiple rails applications on same host name with different folders

When i ssh to amazon ec2, then pwd /home/ubuntu ls app_1 app_2 app_3 app_4 Considering i have mapped my ec2-122** address to some apps.site1.com How can i have multiple rails applications ...
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1answer
656 views

How do I configure Juju to use Amazon Web Services (AWS)?

I'd like to deploy services on AWS, how can I configure Juju to do this?
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1answer
79 views

How do Ubuntu updates appear on Amazon EC2?

I have Ubuntu 12.04 LTS installed in Amazon EC2 machine. Sometimes when I SSH into the machine I see a notice asking me to update some packages. Please see the screenshot image below My Question ...
4
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1answer
361 views

Juju instances in agent-state: down after turning them off (and back on) on EC2

I turned my Juju instances off on EC2 for a while and after bringing them back online they seem to be in an odd state: juju status 2012-11-17 17:06:44,094 INFO Connecting to environment... ...
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1answer
88 views

Does anyone know of a program like Elastics for Linux?

On mac I would use Elastics (http://tundrabot.com/elastics) To kind of, monitor my EC2 instances. Most important to me was that it worked across several accounts and that it allowed me to connect to a ...
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2answers
8k views

Ubuntu 12.04 on Amazon EC2: /dev/xvda1 will be checked for errors at next reboot?

I'm running the lastest Ubuntu 12.04 AMI (ami-a29943cb) from Canonical on Amazon EC2 and quite often when I log in I get the message: *** /dev/xvda1 will be checked for errors at next reboot *** I ...
3
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2answers
476 views

Latest ec2 Ubuntu instance seems broken [duplicate]

Possible Duplicate: Trouble downloading updates due to “Hash sum mismatch” error I am using ec2 Ubuntu instances now for some time and never had a problem with. Today I created a new Ubuntu ...
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0answers
364 views

Unable to connect FileZilla to ubuntu ec2

I have a micro ubuntu instance on ec2. I have done a passwd to set it to simple password. I have installed vsftpd on the ec2 instance. And imported the ec2 pem file via FileZilla-Settings-SFTP, and ...
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1answer
403 views

Blacklisting grub packages from installing

I am trying to block GRUB packages from being installed (after having purged them). The problem is virtually identical to Blacklisting packages from installing and even involves GRUB which is exactly ...
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313 views

When uninstalling all GRUB packages for EC2 AMI build script, how do I bypass prompting?

When I try to uninstall all GRUB packages from the cloud-image version of Ubuntu I use in AWS EC2, I get an interactive prompt. I need put this all in a script under automation, so prompts need to be ...
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1answer
317 views

Installing Yaws server on Ubuntu 12.04 (Using a cloud service)

I'm trying to get a Yaws web server working on a cloud service (Amazon AWS). I've compilled and installed a local copy on the server. My problem is that I can't get Yaws to run while running on either ...
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1answer
623 views

Amazon EC2 : Authentication Failure after error sudo: must be setuid root

I was trying to change permission on a folder in a Amazon EBS volume mounted on a Amazon EC2 running Ubuntu EC2. When I entered the command sudo chmod -R u+rw,go-rw /mnt/my-address I go the ...
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2answers
1k views

Is my Amazon EC 2 running Amazon Linux or Ubuntu?

I am a little confused here. I created a Amazon EC2 instance with Ubuntu Linux 64-bit 12.04 LTS, now when I SSH into it I get the following but on Amazon Management console I get the following ...