Questions tagged [amazon-ec2]
Amazon EC2 (Elastic Compute Cloud) is a web service that allows users to rent virtual computing capacity on which they can run their applications. Web service questions are on topic here only if the question is about the operating system or using a PC application hosted there. Otherwise, other sites on the network may be more appropriate
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port forwarding in docker container in AWS EC2 linux machine
I'm a newbie and needing help. Currently playing with the following setup:
remote machine
an AWS EC2 instance with Ubuntu 18.
I am trying to access Jupyter notebook running in Docker container in ...
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Postfix issue on Ubuntu (Amazon EC2): can not send email after a few success
I installed Posifx on Ubuntu 18.4 LT on an amazon EC2 box. After installation and configuration, I was able to send out two emails to my hotmail and another email account. I do received them. However, ...
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Amazon Route53 Record set doesn't work as intended
I have an hosted zone which contains a record set list. I encountered a problem after I made some modifications with my running instances which I can't remember exactly.
My Record Set List
;
www1....
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How to point a subdomain to run applications using virtualenv on ec2 (AWS)
I added an ec2 instance (ubuntu server) in aws, installed python3.7, virtualenvs, pointed ec2's elastic ip to a subdomain, entered virtualenvs and made a webapp to run the web application. How do I ...
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"cannot execute binary file" on aws ec2 with sage (using python) shell
I would like to use SageMath (using Python) on a AWS EC2 server.
When I tried the SageMath console interface I got the following error:
/opt/sagemath-8.8/local/bin/python: /opt/sagemath-8.8/local/...
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Cannot find out what consumes my disk space in AWS
I use a free tier ec2 instance in amazon aws. I run a nodejs server with mongodb, and the server has a memory and cpu intensive job.
df -h shows that I consumed 18G of 20G disk.
Filesystem ...
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Kubernetes net/http: TLS handshake timeout
We have created a self managed kubernetes cluster using the kubeadm approach. It is a 3 node cluster hosted on AWS EC2 instances (1-Master and 2-Slaves).
We have created a separate NGINX server to ...
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Error while connecting MySQL Workbench SSH tunnelling with AWS EC2 (Linux -Free tier)
First what I have done so far
In AWS
In Security group given 3306 port access for all MySQL/Aurora:
Created a .pem key and saved it.
PuTTY
I am able to connect to MySQL (5.7) using PuTTY
Created ...
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Sonatype Nexus: How to create Blob stores using Amazon S3?
I try to create a blob stores on Sonatype Nexus as below:
Then, I'm getting this error:
Unable to initialize blob store bucket: s3jenkins-cache, Cause: Unable
to execute HTTP request: Connect to
...
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0
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How can I dynamically update my AWS CloudWatch dashboards? [closed]
I have several dashboards in CloudWatch that represent a view of my infrastructure : Number of instances from an autoscaling-group that are currently running, the CPU/Disk usage per instance etc.
...
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Cannot connect to EC2 instance more than once via SSH (OSX Terminal)
Update
This may be to do with my account potentially being in an 'isolated' state as per this post: https://forums.aws.amazon.com/thread.jspa?start=0&threadID=239202&tstart=0
I'm going to ...
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Accessing Web App running on EC2 instance
I have an EC2 instance that is running searchkit.
I successfully started the searchkit web app and it gave me an IP address that I should be able to access via my local machine, as well as a ...
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How to reboot OS at Amazon AWS EC2 instance start [closed]
I am seeing device driver problems in EC2 instances that are stopped, and later started. A reboot always seems to fix them. Specifically this is with EC2 FPGA instances.
I need a way to force an OS ...
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How to clean crypto mining malware that infected my Amazon Linux EC2 server?
From last few days, I have noticed that applications running on my EC2 Linux instance are very slow. Running top command showed me that there is a process /var/tmp/sustse using most of the CPU.
I ...
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Connect to Amazon AWS Server via SFTP Net Drive?
I'm trying to connect to Amazon ec2 windows server via SFTP Net Drive - however I keep getting various errors.
Connection error 10061
Connection timeout
I did tons of research on both errors and I ...
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Can't transfer files to/from Amazon EC2 free machine with FTPS
I have a free amazon EC2 machine. for some reason I can not transfer files using FileZilla from the EC2 machine to my local machine. I entered the machine public DNS and user name (which is ubuntu as ...
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Cloud hosted VM's that can connect to my company LAN [closed]
I am a Quality Assurance engineer, and I am not an expert in Networking. Currently, I have 4 Windows VMs running on a server on our local network. They communicate with each other using Selenium Grid ...
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How to use SSL in AWS ec2 without using load balancer
I created one EC2 instance and hosted a backend for my application on it
then I want SSL certificate so I follow some AWS tutorials and then use Load balancer to attach that cert to my EC2.
but now ...
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Amazon EC2: How to make SSH remember the server's key
I connect to my amazon EC2 Ubuntu 18.04 instant using SSH. Each time I input the SSH command, it asks me about trusting the key. And I answer yes. Next time it asks me again.
ssh -i "my_key.pem" ...
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How to investigate and remove Trojan:EC2/DGADomainRequest.B
My GuardDuty management console on Amazon shows that my server is infected with malware:
"EC2 instance i-7e1d4356 is querying algorithmically generated
domains. Such domains are commonly used by ...
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Install a specific version of Docker CE on Amazon EC2 Linux
Due to a recent vulnerability with Docker CE I need to update our fleet of EC2 instances running Amazon Linux base AMI to the latest version. How do I install a specific version of Docker CE for ...
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Installation of virtual-box on Netscalar FreeBSD instance
We have one Netscalar instance having platinum AMI: NetScaler ADC VPX Platinum Edition - 10 Mbps. As a part of infrastructure management we want to install VirtualBox on this FreeBSD Netscaler ...
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MongooseIM SSL connection via AWS ELB
I have MongooseIM server configured with docker-compose in an EC2 instance in AWS.
I intend to give access to some mobile clients with SSL through an ELB (AWS) on port 5222 (module ejabberd_c2s of ...
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yum install php dependency errors
I'm trying to install php 5.4 or 5.6 on an Amazon Linux 2 server using this command:
yum install php54
This is the output:
Loaded plugins: extras_suggestions, langpacks, priorities, update-motd
...
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206
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When does ec2 switch between public DNS and public IP?
I have an application using Django, in Django config there is a list of ALLOWED_HOSTS.
The application was working fine with the IP xxx.xxx.xxx.xxx in the ALLOWED_HOSTS list.
It then threw the ...
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AWS - Cannot ping/ssh my machine from AWS EC2 instance
I have created an AWS T2 instance. I created security groups to allow all traffic on all ports only from my local machine's IP. So when I try to ssh from my dev-machine with the pem file (ssh -i ...
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286
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AWS EC2 connection timeout
I have an Ubuntu 16.04 host on EC2 that becomes unreachable every time I forget to close ssh connection with exit command. Here are the things I have checked:
Port 22 is open (obviously since this ...
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Accidentally revoked Sudo access
I'm pretty new to setting up http servers via PuTTy and managed to setup a EC2 server with Apache which works fine. The only issue is when trying to setup a few other things I managed to revoke my ...
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Issue when attempting to SSH into AWS EC2 instance launched from AMI
I am a total AWS and SSH newbie so please bear with me. I am trying to ensure that I can make a perfect duplicate of an EC2 instance before proceeding with risky installations that may ruin important ...
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Suddenly getting "Server refused our key" error on amazon linux for ec2-user
Today all of a sudden I am not able to SSH into my AWS linux instance using ec2-user as username.
I was able to do it yesterday.
I have searched for this and found that all things are in place, ...
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Amazon AWS EC2 Volume issue prevents instance access via SSH
I have an Amazon EC2 Ubuntu t2.nano at sa-east-1 region. It was running fine until 2017-06-14 maintenance.
Today, while trying to access it via ssh, I've noted it was not possible. I get ssh ...
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AWS Docker Containers running Wildfly / Java EE - domain cluster or standalone? [closed]
I am running a large EE application on wildfly in containers. Each instance is currently standalone, but I dont think that this is optimal.
I imagine that I should be running a domain cluster, and ...
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Can't connect to Ec2 instance: "Connection refused on port 22"
I have been able to successfully log into my ec2 2 times in the past. Now when I try to login, I get this error
ssh -vvv -i "test.ppk" [email protected]
OpenSSH_7.1p2, ...
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Debian "sar -n DEV 1 1" is super slow
On all of my machines I'm using sar (sysstat) to get the current network bandwidth using sar -n DEV 1 1 that I parse out later, but on one of my machines this command no longer gives its output in 1 ...
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How can I have leftover routes cleaned from VPC route tables
I am running instances that add routing table entries to the VPCs they run in to route certain networks to themselves. When the instances are terminated, the routes become black hole leftovers. I ...
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How to upload, delete, create folders in AWS EC2
I have successfully created an EC2 instance in AWS Beanstalk and uploaded my folders and files using the 'application source bundle' method. The app works fine.
However, the file update method, ...
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753
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Apache process dies unexpectedly
I'm testing the limit of my Python Flask web application running on an Apache web server by making a request that takes over 30minutes to complete. The request requires thousands of database requests (...
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I need assistance with building GIMP to run under AWS EC2 instance and Lambda
TLDR; I need to build an instance of the Gimp application that runs under AWS in a Lambda and on an EC2 linux.
I'm building a micro service that uses AWS API Gateway with python Lambdas. I have the ...
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How to easily generate JSON out of a running AWS EC2 instance for usage in “run-instances --cli-input-json=”?
How to easily generate json out of a running instance for usage in run-instances --cli-input-json=?
The purpose is to recreate instance without too much manual handling or too much json editing.
I ...
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grub.conf issue while OVA deployment to AWS ec2
I have been trying to deploy an OVA to AWS. And came across a strange problem. AWS looks for file with name 'grub.conf' in all partitions and doesn't deploy OVA if multiple files exist with name 'grub....
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Need to tunnel a AWS server using port forwarding
I am having a AWS server and I am connecting through a AWS router. I gave the example here,
ssh -i ~/ecserver.pem ec2-user@ip -p 2222
Now I have to create a tunnel to the server for 9093 port in my ...
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587
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Amazon ec2 instance w/ atached volume permission denied with sftp
I made an extra volume and then attached it like this...
sudo mkfs -t ext4 device_name
sudo mkdir mount_point
sudo mount device_name mount_point
The mount point was in my home directory as well. ...
- 227
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595
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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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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 ...
- 151
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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
this ...
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amazon linux yum update changed sudo root permissions
I ssh'ed into my server, ran sudo yum update, and now I'm asked for a password to sudo anything.
Looking back through update logs, I noticed this:
/etc/sudoers.d/cloud-init saved as /etc/sudoers.d/...
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How to establish a VPN connection to an Amazon VPC
I am running an Amazon EC2 instance which I use as a workstation. Right now it's in a public subnet and I connect to it through RDP by using its public IP. However, I'm concerned that this might not ...
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amazon ec2 intance rhel7 ftp not downloading
this is driving me insane.
i am trying to download files using FTP. i tried with PHP's FTP, the FTP binary, WGET, none of them work. They all have the same problem. When get command is initiated, the ...
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Amazon EC2 - Windows 2012 R2 - Can't RDP to Instance
I created an EC2 micro instance last week and it was working correctly up until now. I tried to RDP into the machine today and I'm unable to connect. I rebooted the machine and tried again with no ...
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Amazon EC2 - Node Package Manager fails to install modules
I've installed node and, supposedly, all of its dependencies on an Amazon EC2. I can launch a node app and have it work just fine.
However, when I attempt to use npm to install any module, express ...
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