Amazon Elastic Compute Cloud (EC2), which allows users to rent virtual computer systems, is part of Amazon Web Services.

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Linux yum Commands that are Equivalent to these Ubuntu apt-get Commands [on hold]

I'm using an AWS EC2 instance and I'm trying to switch from an Ubuntu instance to a Linux (Amazon Linux AMI) instance and in doing so I need to figure out the equivalent apt-get to yum commands and ...
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31 views

How do I prevent crashing my ec2 micro instance mysql db?

I have an Amazon ec2 micro instance that holds a WordPress site. Since yesterday, my mysql db keep crashing saying: [ec2-user@ip-xxx-xx-xx-xxx ~]$ sudo service mysqld status mysqld dead but subsys ...
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6 views

Amazon Linux 2015.09 + JRE 1.4?

I need JRE 1.4.2 for a script that calls several jars, which needs to run on an Amazon Linux 2015.09 server. How can I install that?
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18 views

OPENSSL_1.0.0 not found when running PyPy 4.0.1 on Amazon Linux (AWS EC2)

I want to run PyPy 4.0.1 on Amazon Linux (AWS EC2), and then downloaded and unzipped the tar.bz file. Also, I created the symbolic links to fix problems, such as pypy: error while loading shared ...
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21 views

could only be replicated to 0 nodes instead of minReplication (=1). There are 2 datanode(s) running and no node(s) are excluded in this operation

I am trying to run a hadoop map reduce job but getting below exception everytime 16/01/09 15:54:22 INFO mapreduce.Job: Task Id : attempt_1450793371170_0056_m_000001_0, Status : FAILED Error: ...
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18 views

AWS linux - How could I install postgreSQL on amazon linux?

I'm really beginner. I want to install postgreSQL on Amazon linux. Please let me know what I should type in regular sequence. I saw some of questions about installing postgreSQL on linux, but there ...
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12 views

OpenStack EC2 API url in API access tab

I want to configure open-stack ec2 API , such that the ec2 API url apears in API access tab in project settings as other urls appear , such as urls for other services. Do i need to install some ...
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37 views

Grey screen when using tightvnc and trying to run xfce4

I have an Amazon ec2 instance. I am attempting to run a dedicated arma 3 server on it. Part of this it to set up a repository on the server. The program I want to use requires a GUI. This is the ...
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1answer
49 views

Amazon [Ec2 Linux Instance] SSH not working after increasing Open Files / File Descriptors (FD)

I am not able to ssh my ec2 instance [linux based] after I have executed following command. [Before that I am able to ssh to server] # vim /etc/sysctl.conf I have update file-max number to 4000000 ...
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21 views

Why does Amazon Linux redirects port 80 to 3000?

I'm running a NodeJS/Express app in Amazon EC2. app.set('port', process.env.PORT || 80); http.createServer(app).listen(app.get('port'), function(){ console.log('Express server listening on port ' ...
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1answer
62 views

'This webpage is not available' after 'shutdown -r now'

I've been having some MySQL issues so I tried to restart my server with shutdown -r now. I can SSH into it, but any page I try to navigate to now returns: This webpage is not available ...
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1answer
26 views

Installing Firefox on EC2 using Lambda Linux Project

I'm trying to set up a nodejs+selenium server on ec2. I got node installed and working and I tried to set up Firefox using the tutorial here: ...
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25 views

Build fails as the Java not recognized (Amazon EC2)

My java path is set in .bashrc and we had to run source ~./bashrc when we run the build or the build fails saying java is not recognized . Any solution for this with out running the source bashrc ...
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26 views

Amazon EC2 gentoo CFLAGS

I have a gentoo running at Amazon EC2 m1.large instance. One instance have following CPU: model name : Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz When i launched another m1.large instance in same ...
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1answer
47 views

Dovecot auto folder creation “Unknown setting: mailbox”

First off my dovecot info: $ dovecot --version 2.0.9 Running on an Amazon Linux AMI EC2 instance. I've added this in my /etc/dovecot/conf.d/10-mail.conf mail_location = ...
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185 views

ERROR: CHECK_NRPE: Socket timeout after 10 seconds

getting following error : # /usr/local/nagios/libexec/check_nrpe -H nagios-server-ip CHECK_NRPE: Socket timeout after 10 seconds. But it's working for localhost # ...
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1answer
87 views

port 22 closed. Can not ssh even after restartingt the instance

Accidentally, Port 22 got closed. Can not ssh into the instance, though the instance are running well on other desired ports. Getting following error while doing ssh. ssh: connect to host X.X.X.X ...
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14 views

Aws RDP cannot login after replacing EBS

I had an old ubuntu machine that i had XRDP installed on it , then i detached the EBS and created a new machine (Ubuntu also same version) and attached the old EBS to the new Ubuntu machine , but when ...
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39 views

Proxy Filtering with Squid

I am currently faced with a situation where i would like to deploy a proxy server on amazon EC2 running on Ubuntu. What i am trying to achieve is to have Wifi users in each site have their traffic ...
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32 views

installed font not working in ec2 in rails app

I have downloaded font by running wget http://www.fontsquirrel.com/fonts/download/amatic inside my ec2 instance. Then I created a .fonts director and unzipped those files inside it. Then I ls ...
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24 views

Ubuntu disk space issue [duplicate]

There is some anonymous space consumption on my disk having Ubuntu. When I run the command df -h it shows me that total consumption is 5.4G. But when I run command du -hscx * on / directory it shows ...
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1answer
27 views

Keeping services on EC2 alive

I'm using a MySQL database and Apache server with an AWS EC2 instance running AWS Linux. I start them both using the service command, but I am not familiar with any other tool that would come ...
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1answer
124 views

Valid root/user passwords not working on EC2

There is an authentication failure when I'm trying to enter password for any of my accounts after an update using yum. My authentication got broken, while everything else works. The updates were ...
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1answer
27 views

How do I download log4j on ec2 instance?

The link to download log4j is here. However I have logged into the my EC2 instance. Whats the command line to download this log4j ?
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1answer
30 views

Specific user's SSH-RSA with root access (via AWS EC2)

Is it possible to set up a specific SSH-RSA key (via another user i.e. "ec2-user") to have ability to sudo into root. I.e. You login with key to "Bob" (ec2-user). Currently user "Bob" can sudo ...
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51 views

How do I find out hard disk model and serial number in amazon machine?

when check in local machine /proc/scsi/scsi file it contains Attached devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: ATA Model: ST3160215AS Rev: 3.AA Type: Direct-Access ...
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2answers
393 views

What is the difference between /sys/block/sda1/stat and /sys/block/xvda1/stat?

On my local machine, I have /sys/block/sda1/stat. On an Amazon machine, I have /sys/block/xvda1/stat. When I run cat /sys/block/sda1/stat or cat /sys/block/xvda1/stat both give 11 fields of output. ...
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1answer
82 views

How to change FTP home directory in Centos 6

I have created one Linux CentOS 6 instance in Amazon EC2 and installed cPanel on it and started running my websites there. The issue I face was when I try to FTP to the instance with the following ...
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119 views

etc/apt/sources.list contents for EC2 Instances upon AWS

When I copy an Ubuntu image between regions, the image is customised slightly in the process. Notably the software sources in /etc/apt/sources.list are altered to "local values". I am aware that ...
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51 views

Route dies on Ubuntu 14.04.2

So I have this routing setup in EC2 on a Ubuntu machine: 10.50.0.0/24 dev eth0 proto kernel scope link src 10.50.0.163 x.x.x.x via 10.50.0.80 dev eth0 proto static y.y.y.y via 10.50.0.80 dev ...
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1answer
243 views

AWS Outbound ACL Rules impact on incoming ssh connections

I am making a bastion ssh server on CentOS 7 in an AWS EC2 instance. When I use the following rules in its ACL, I am able to connect to the server just fine: Inbound Rules Allow traffic on port 22 ...
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45 views

Remove or decrease JAVA Security openjdk AWS centos instance

How to decrease or remove java security level in CentOS openjdk? I tried removing the java security level but I didn't find any option, my OS is in an ec2 aws machine.
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1answer
166 views

Can set up a cron job to copy my server to Amazon S3

I have an Ubuntu 12.04 install on physical hardware. I will then install Geonode on it. The system will be running at a place with variable network capacity. My colleagues will add data and should ...
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1answer
97 views

Prompting for a password on sudo?

I'm creating users using Puppet. Here's the gist of what I'm doing in Puppet: user { 'ntkay': name => 'ntkay', uid => 10000, home => '/home/ntkay', managehome => true, ...
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192 views

Subdomain Creation in Amazon EC2 using Nginx Server [closed]

I am using amazon ec2.... My app is written in Ruby on Rails. I am using Nginx Server. How can I create sub-domain and automate it when a user registers like http://user.mywebsite.com?
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1answer
1k views

How to convert Ubuntu init script to Amazon Linux AMI init script?

I had a Ubuntu based Amazon EC2 server where I was running my java based application. For this I had written a init script which was running perfectly and as follows #! /bin/sh # set the environment ...
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1answer
103 views

rsync with weird files name appended

I'm doing rsync every 10 minutes via cronjob with a 3g Dongle outside on a field. The rsync will send data to my EC2 server and there I can check the files being sent. But I encounter the destination ...
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38 views

Can't mkdir events No space left on device - EC2 Linux [duplicate]

After put about 5 millions files on a EC2 instance, I can no longer mkdir because inodes are all used. I still have 40Gb space on this EBS! Is there a way to overcome this? Thanks. Filesystem ...
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126 views

Rsync Issue (AWS EC2)

I have spent quite a bit of time trying to Rsync from a remote to a local machine but been having issues with finding the synced files apparently. The command I entered is: sync -avzhe ...
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2answers
167 views

bash permissions - unknown problem

So strangely enough I have the following problem in a directory inside a script: #!/usr/bin/env bash MAIN_DIR=/home/ec2-user/dir/ LAST_DIR=$(ls -d -t ${MAIN_DIR}*/ | head -1) When I run it I get: ...
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78 views

Two servers fail to communicate with eachother

I'm hosting an Apache Archiva instance on one server and trying to publish some files from my continuous integration server to that server. However I'm getting the following error when trying to ...
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2answers
234 views

Setting up a script on an AMI box to create directories - vsftpd, pam, mysql

I'd like to first say I'm a noob when it comes to linux, so please excuse my confusion. I'm trying to setup vsftpd on a amazon ami 64 bit box, free tier micro. Following these instructions, ...
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1answer
349 views

How, on ubuntu, to run as a service / run under supervision

I have been given 3 clusters. One is of Kafka, one is of storm and one is of ZooKeeper. I need to make it so that the services start and when stopped, start up again as described in the Zookeeper ...
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2answers
2k views

Building kernel module using dkms, missing headers

I would appreciate, if anybody can help me. 1) I am trying to build kernel module for Ubuntu sever using dkms. Detailed manual is here. 2) When It is building module using this syntax: sudo dkms ...
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1answer
843 views

wget 403 forbidden error on AWS

I'm not the most talented developer out there, and the question I'm asking may be basic, but I need some help:) I used wget to get source content from Seeking Alpha on my AWS server, and have been ...
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259 views

Installing Restund on AWS EC2 Ubuntu

I have successfully installed Restund on a Vagrant Machine running Ubuntu. But when I tried to install it on AWS EC2 Instance running Ubuntu, I get an error when starting Restund. Error Message: tls ...
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1answer
158 views

Bash 4.3 yum repository for Amazon Linux

I'm trying to get bash 4.2 (or a more recent version) on Amazon Linux in ec2. The default repository only has Bash 4.1. I'm looking for a yum repository with a recent version. $ sudo yum install ...
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2answers
534 views

How do I find and remove Nginx from an EC2 instance?

I want to remove Nginx from my Amazon Linux EC2 server. How can I find it and remove/disable it? Nginx is listening on port 80, and I need access to that port. It would be preferable to not have to ...
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1answer
545 views

Cron Log File Outputs Nothing

I get no output from my cronjob. The script the job is executing is: <?php require '/opt/bitnami/apps/wordpress/htdocs/wp-load.php'; ...
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2answers
146 views

Memcached on a webserver

We host a Magento webshop hosted by Amazon EC2, and we have speed issues. We're currently looking at moving to another provider. We found one hosting provider where we have a test account now. Speed ...