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

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How to set python 3 as default interpreter in ubuntu 14.4

I am working with ubuntu 14.4 LTS on EC2. I want to change the default python interpreter from python 2.7 to 3.4.0 which is installed by default. When I do: /home/ubuntu$ which python ...
4
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4answers
8k views

Run a script only at the very first boot

Is there an idiomatic way in Ubuntu to run a script only the first time a machine is booted? (EC2).
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0answers
10 views

Failure to contact privoxy proxy on ec2 node

I'm trying to set up a tor node following http://sickbits.net/creating-a-personal-privoxytorproxy-ec2-instance/ using ubuntu 14.4 lts on ec2. I'm using git-bash on win7. Following the directions, I ...
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0answers
22 views

ec2 SSH tunnel not working?

I'm trying to set up a tor node following http://sickbits.net/creating-a-personal-privoxytorproxy-ec2-instance/ using ubuntu 14.4 lts on ec2. I've gotten to: $ ssh ubuntu@ec2-blah.amazonaws.com -i ...
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1answer
21 views

AWS EC2 set up key and non key authentication at same time

I want to set up password based authentication (non key) on AWS EC2 ubuntu instance. But at the same time I want to keep the key based authentication also on the same instance. Will it be possible and ...
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1answer
28 views

AllowTcp in ssh function

I'm trying to set up a tor node following http://sickbits.net/creating-a-personal-privoxytorproxy-ec2-instance/ using ubuntu 14.4 lts on ec2. I've gotten to: $ grep AllowTcp /etc/ssh/sshd_config ...
3
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1answer
669 views

Create a snapshot/Backup of my Amazon Ubuntu Instance

Hi all I want to backup my amazon instance currently running on ubuntu 10.4 LTS, anyone know how to do that? I also have a Cent-OS instance which I bakup and restore by creating snapshots and images ...
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1answer
58 views

cannot add swap with fallocate on EC2

I'm trying to setup the swap in /etc/rc.local this way: sudo fallocate -l 8192M /mnt/swapfile1 sudo mkswap /mnt/swapfile1 sudo swapon /mnt/swapfile1 This however returns an error: fallocate: ...
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1answer
3k views

Need help with getting NoMachine working on Ubuntu 14.04

I’m trying to get NoMachine working on a AWS EC2 instance with 14.04 Trusty Tahr. I’ve used the instructions from: https://help.ubuntu.com/community/NomachineNX ...
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2answers
14k 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 ...
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1answer
32 views

How configure the upstart in ubuntu in my ec2 [node.js]

I am using an amazon ec2 instance with ubuntu to host my node.js application, i already made all the configurations, and is working good when i type: nodemon ./bin/www ./bin/www is the file that ...
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17 views

HTTPS on Ubuntu instance Amazon EC2

I have a question which I hope somebody can answer for me. My situation: I have an Ubuntu Server running Apache2 on a EC2 Amazon instance, which is serving an OwnCloud instance. My goal: I want to ...
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1answer
31 views

Do I need to make a partition on an EBS volume? What is better?

I'm adding a new EBS volume to an existent Ubuntu server on AWS EC2. I created the volume and it's attached to the server, I can see it there, all is OK. What are the bonus/onus of creating a ...
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1answer
474 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
71 views

How to install OpenStack/Eucalyptus on AWS using EC2 instances

I would like to build a private cloud platform on AWS using either Openstack or Eucalyptus, but don't have a lot of experience in neither. How should I proceed?
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1answer
27 views

Release upgrade for Ubuntu EC2 AMI launches SSH on a different port

sudo do-release-upgrade on a Ububtu EC2 AMI shows the following warning message, is it safe to continue or what would be the preferred procedure. cat /etc/lsb-release DISTRIB_ID=Ubuntu ...
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0answers
22 views

Erlang disappeared from /usr/bin/erl

The setting I have downloaded rabbitMQ and used it on an EC2 14.04 machine for a few days. The setting was simple - I downloaded the Binary .tar.gz, opened it, and typed: sbin/rabbitmq-server ...
2
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1answer
354 views

NTP: Use unprivileged ports

I have had some trouble with ntdpate on EC2, which was solved by using the -u argument for unprivileged ports: $ sudo ntpdate -u ntp.nasa.gov time-b.nist.gov I know that ntpd is better than a ...
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4answers
4k views

How do I know what Ubuntu AMI to launch on EC2?

When I want to launch an instance of Ubuntu on EC2, how do I find the right one? There are thousands of public images that have "Ubuntu" in their name. I am only interested in running the Official ...
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0answers
128 views

EC2.micro nginx php-fpm error “upstream timed out”

I've been setting up a new server on AWS using a t2.micro instance and Ubuntu. After setting everything up the site worked fine, but now it's throwing errors. There is no traffic on the site at the ...
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1answer
70 views

Recursive display of remote desktop screen

I tried to set up remote desktop to connect to an Amazon EC2 ubuntu instance. The steps are: (1) sudo apt-get install --no-install-recommends lightdm lubuntu-desktop tightvncserver (2) create a file ...
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1answer
67 views

Is /etc/X11/xinit/xinitrc. supposed not to exist?

I'm trying to connect to Amazon EC2 Ubuntu 14.04 instance through VNC but always fail (only grey background). Some articles say we should have a line in .vnc/xstartup which reads exec sh ...
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1answer
550 views

unable to send email

I'm getting an error message: mail: cannot send message: Process exited with a non-zero status Command date | mail -s "test" -r some@myemail.com some@myemail.com mailutils install via this ...
2
votes
1answer
81 views

Apt-get wants me to remove packages (from r-cran) that I need

Why is apt-get telling me to remove packages that I need? And how do I tell it to shut up? I'm running an EC2 with Ubuntu 14.04 and R 3.1.2 and Rstudio-server. I just ran apt-get update and upgrade ...
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0answers
98 views

Problem installing honeypots on Ubuntu

I'm relatively new to Unix/linux and the CLI. I'm working on a project to set-up a honeypot Dionaea on Ubuntu 14.04.1 LTS on my Amazon EC2 VPS. For doing that I follow a tutorial. But it seems that ...
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0answers
83 views

Why `apt-get dist-upgrade` in EC2 image does not update the kernel?

I've built a system running Ubuntu 14.04 on EC2, using the AMI from Ubuntu's cloud-images repository. The AMI includes kernel 3.13.0-37, but 3.13.0-39 is available as an update. After running ...
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1answer
72 views

How do I install ec2-api-tools in 14.10 utopic?

$ sudo apt-get install ec2-api-tools Reading package lists... Done Building dependency tree Reading state information... Done Package ec2-api-tools is not available, but is referred to by another ...
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0answers
80 views

How to harden/tune Ubuntu then package it back into an ISO

I am interested in delving into Amazon Web Services (AWS), and would like to create a few EC2 instances from my own hand-tuned instances of Ubuntu Server 14.04.1 LTS. What I would like to do (I ...
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0answers
88 views

Scheduled Cron Back up from EC2 to S3

I have created a script for scheduling sql back ups and store in Amazon S3. Below is the script that I used for taking backups. DATABASES="testdb" testdb_USER=root testdb_PW=root ...
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vote
1answer
38 views

CronJob not working as expected

I generated a cronjob line for crontab -e with Crontab Generator: * */2 * * * curl http://www.example.com/cron.php >/dev/null 2>&1 I was expecting that it should run every 2 hours. But in ...
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2answers
474 views

Can't run ntpdate on EC2

I have had some serious issues with time accuracy on my Ubuntu EC2 machines, with drifts of more than 60 seconds. A possible solution is running ntpdate or ntp, but I can't get them to work on EC2: ...
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1answer
446 views

How to choose the VGA when setting up the X Server?

I have 2 options of VGA: lspci | grep VGA 00:02.0 VGA compatible controller: Cirrus Logic GD 5446 00:03.0 VGA compatible controller: NVIDIA Corporation GK104GL [GRID K520] (rev a1) It's an instance ...
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50 views

how to set up group level administrator in linux ubuntu!

In my application there is multiple groups and n number of users. What i need is to assign a particular/multiple user as group administrator. Group level administrator is just a user that has ...
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1answer
52 views

Mount and external hard drive on an Amazon ec2 Ubuntu server

I'm using the amazon EC2 servers for the first time, so I'm sorry if i'm not understanding something obvious. I alredy created and connected to an EC2 instance with a ssh connection. I'm trying to ...
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0answers
109 views

initramfs-tools irqbalance apt-get upgrade error

I am getting an error when I do sudo apt-get upgrade. I did a do-release-upgrade and went into a lot of issues. Finally the problem has been reduced to: sudo apt-get upgrade Reading package lists... ...
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1answer
199 views

Ubuntu EC2 compatible kernels

I am trying to create an Ubuntu 13.10 64 bit AMI with the paravirtual type of virtualization. I have not had problems with the hvm virtualization. I can't figure out what kernel I need to use. For the ...
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1answer
393 views

AWS Elastic Beanstalk Command Line Tool setup

I have the AWS Elastic Beanstalk Command Line Tool running on my Ubuntu 12.04 LTS Virtual Machine but I can only get it to work if i set the location of EB to the exact website folder I am going to ...
2
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1answer
143 views

post-receive: No such file or directory

I'm getting an error when trying to push to a remote Amazon EC2 (Ubuntu Linux) instance. I've given all related directories and files full permissions. I'm trying to use a post-receive hook to move ...
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1answer
89 views

Preview .html file from remote AWS EC2 instance on local machine's browser

From this and this I've gathered that I should ssh into my ec2 instance from my Mac by: ssh -C -c blowfish -X -i user.pem user@hostname.com This accomplishes X11 forwarding. Afterwards, how do ...
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0answers
124 views

How to configure Postfix, stunnel for AWS SES?

I have been trying to set up SES on our EC2 running ubuntu. I have followed the instructions on their docs page but not able to figure out what's wrong. I'm a newbie that's why i'm looking for a ...
36
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5answers
157k views

Adding SSH Keys to Authorized_Keys

I have an Ubuntu server on Amazon EC2, that I use for development, and today I stupidly cleared everything out of the authorized_keys file for SSH. Luckily I have an SSH open, so I am still ...
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0answers
59 views

Apache Virtual Hosts on Ubuntu not working

I have created virtual hosts on amazon instance ec2 by following this tutorial how-to-set-up-apache-virtual-hosts-on-ubuntu-14-04-lts I also created 111.111.111.111 example.com on my windows hosts ...
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1answer
194 views

Only Terminal windows appear on TightVNC

I use ubuntu server provided by amazon ec2. I want gui so that i install ubuntu-desktop on server and edit xstartup. But when i connect to my server through TightVNC it shows only terminal windows. ...
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102 views

installing vmware ova on amazon aws

I am trying to import a vmware ova on amazon aws but experiencing issues. After importing (or my attempt to import), I can no longer access the server via SSH even though the amazon AWS console shows ...
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0answers
200 views

Upstart script on first boot with cloud-init

I'm trying to launch an EC2 instance where I need to perform some initial setup of the instance (download and install packages, configure directories, etc.) as well as start a web service. The initial ...
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0answers
64 views

Natting with Ubuntu 14.04 won't forward the packet to the originator

I have succeeded in creating a VPN on amazon VPC using ubuntu 14.04 with openswan. My subnet on amazon is 192.168.254.0/24. My gateway which is in this case ubuntu 14.04 has 192.168.254.17 IP. The ...
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3answers
13k views

Why did installation of MySQL 5.6 on Ubuntu 14.04 fail?

I wanted to get a look at MySQL 5.6 on Ubuntu 14.04 just out of curiosity. And based on this article it certainly looked like installation should be simple and straightforward. So I fired up an AWS ...
2
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1answer
1k views

After install Google Chrome in EC2 won't open from Ubuntu Server 14.04 LTS (HVM) command line [duplicate]

I have installed Google Chrome with following command line: $ wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add - $ sudo sh -c 'echo "deb ...
2
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3answers
289 views

Completely Messed up sudoers file and su Operations

I am in a really bad condition right now.I am jotting down the steps I did to get myself into this situation. My objective was to disable sudo on my machine. I am running Amazon Ec2 Ubuntu 12.04 I ...
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137 views

ec2, hdfs and hostnames are not resoving

I am trying to setup cloudera 5 hdfs on ec2. I am using rout53 for dns. Below are my modifications. cat /etc/hostname master.hdfs.cloudera.aws.development.west cat /etc/hosts 127.0.0.1 localhost ...