All Questions
Tagged with amazon-web-services linux
431
questions
-1
votes
1
answer
108
views
Linux system mails alternative for sending and receiving besides SMTP
I have multiple EC2 servers which run either Ubuntu or Amazon Linux. I want to run automatic system updates but get a message when the system is updated. The yum-cron package can send emails, but I do ...
- 107
0
votes
0
answers
63
views
PVC is in terminating state and PV is in bound state in Kubernetes
I have the PVC which is in terminating state (because it is referenced from 3 other pods) and the PV is in bound state. PV has the retain reclaiming policy.
Also I am not sure on the reason for the ...
- 111
0
votes
0
answers
115
views
Want to use user_data (hardening script) for EKS nodegroups with EKS module (Hashicorp provided)
I am using EKS terraform module (https://github.com/terraform-aws-modules/terraform-aws-eks) to create EKS cluster and it is working fine.
I have written shell script to harden EKS worker and I want ...
0
votes
1
answer
160
views
How can I keep track of nginx restarts and reloads?
I have an nginx reverse-proxy on a ubuntu server in AWS. How can I see when it's configurations were reloaded, either via CLI or otherwise, and when it was restarted altogether?
If it doesn't record ...
- 3
0
votes
0
answers
58
views
Custom Linux AMI: How does AWS know where to install account SSH .PEM files when an AMI is provisioned?
We are building a custom AMI from a template EC2 EBS instance snapshot (Oracle Linux 8). This page shows there are many different user names depending on the AMI you choose:
https://docs.aws.amazon....
- 161
0
votes
0
answers
261
views
How do I merge 2 partitions on AWS after expanding the volume and filesystem on linux
I have the original volume showing at 8GB on the default instance when i created it on AWS. Then I went through the process of expanding the existing volume to 500GB and then expanding the filesystem (...
- 101
1
vote
1
answer
384
views
How do I create an Elastic Beanstalk example?
I have tried to create and deploy on Elastic Beanstalk. It never works. I have spent over 14 hours trying to get EB to work over the course of 1 month. I have followed online tutorials in addition to ...
- 111
0
votes
2
answers
178
views
AWS CIDR Address is not within CIDR Address from VPC
In AWS have created VPC which CIDR is 10.0.0.24.I want to creates its two subnet.its public-subnet is in us-west-1a - IPv4 CIDR 10.0.0.0/24 thenwhen I create private subnet is in us-west-1b - ...
0
votes
0
answers
43
views
AWS CodeDeploy - Must be connected to a terminal
I have a CICD Bitbucket pipeline that runs and tries to execute a deployment script.
appspec.yml
version: 0.0
os: linux
files:
- source: scripts/osgi-deploy.sh
destination: /home/...
- 145
0
votes
0
answers
33
views
Root user action constraints with sticky bit
I have an ubuntu 20.04.x instance on AWS which displayed very unexpected behaviour.
I have a file in /tmp:
root@ip-10-0-1-145:/tmp# ls -l api_requests_2023-08-23.log
-rw-r--r-- 1 www-data www-data ...
- 1,873
0
votes
2
answers
6k
views
Install Zip module in PHP8.2
I am trying to install the zip module in PHP 8.2, in Amazon Linux 2023. However, either the module is not available or it is a different name than the previous ones.
I have tried.
sudo yum install ...
- 33
5
votes
1
answer
748
views
AWS server completely shutting down because of the insufficient CPU memory (server-kernel: out-of-memory )
WordPress website(4years old) have been recently migrated from shared server to the AWS server (2cpu, 4GB ram,80 SSD).After migration website was working fine but in the night between 2am and 6am the ...
- 51
0
votes
0
answers
936
views
I am not able to install MySQL on Amazon Linux
Step #1: – Remove previous installed packages and clear cache
I did Step #1.
Step #2: – Setup Yum Repository
I did Step #2.
Step #3: – disable all repositories in mysql repo file.
I did Step #3.
Step #...
- 21
0
votes
0
answers
6k
views
Nginx upstream block host not found
I'm running a nginx container where it maps to another backend container. When I tried adding upstream block in nginx.conf which is like
upstream backend_servers {
server backend:8000;
}
The ...
- 3
0
votes
0
answers
67
views
Implementing a mono-repo, multi-database PHP application on AWS
I have a application whose code is hosted on GitHub. This application is a school management system built using the Laravel Framework. I need advise on how I can implement it with the following ...
- 1
0
votes
0
answers
481
views
EC2 instance Status Check failed and server stopped working
I am using an AWS EC2 instance (t3.xlarge) running on Ubuntu server 18.04.6 LTS, which was working fine. But suddenly I encountered an error where the instance status check failed "Instance ...
- 21
3
votes
1
answer
2k
views
Heavy NFS metadata traffic flooding NFSv4.1 Server (AWS EFS)
We are observing a massive uptick in metadata requests to an NFSv4.1 (AWS EFS) network drive that is linked to a one or more web servers. This started happening about a week ago across a number of ...
- 71
0
votes
0
answers
818
views
port forward with openVPN to access local machine remotely
I have an OpenVPN server set up on my AWS Linux instance and I can successfully use the OpenVPN client to connect to the server using an .ovpn configuration file. My question is how can I set up port ...
- 121
0
votes
0
answers
81
views
Could not resolve host: payments.paystation.co.nz
We have started to have an increasing "could not resolve host" errors from payments.paystation.co.nz.
When we asked them about it they stated the following: "Those errors aren't from a ...
0
votes
0
answers
625
views
How To install ChromeOS Flex on AWS
How To install ChromeOS Flex Install AWS ec2,
I go through this link but did not get so much help related to AWS
Using CloudReady-Home-v83-x64.ova in my VMware Workstation Player, it works fine, but I ...
- 59
0
votes
1
answer
325
views
Limiting specific process to OpenVPN connection?
Is there any way to force a specific process to use an OpenVPN connection, but allow all other processes on a system use the default network connection on Ubuntu Linux?
I have a custom Python ...
- 3,670
0
votes
1
answer
2k
views
AWS-EC2 100% CPU Utilization
I am curious to know about 2 things below about the AWS-EC2 CPU utilization and CPU Credits.
What will happen if my AWS-EC2 instance CPU utilization is constantly 100% and I ran out of CPU credits?
...
- 21
2
votes
2
answers
3k
views
Decrease Size of EBS Volume attached to EC2 Instance
I've created an EC2 instance with some 100 GB initial size, thereafter I realized this much size is not required, I've to decrease the size now.
What I tried?
Create a new volume with the desired ...
- 131
0
votes
1
answer
539
views
My website is working when https://www.example.com but not when https://example.com
I have purchased the domain from Godaddy.
My website is working when
https://www.example.com
example.com
www.example.com
Not working when
https://example.com
I want to know where I need to add ...
- 101
0
votes
0
answers
1k
views
AWS - PUTTY "No supported authentication methods available (server sent :publickey)" After change instance
I got the classical problem "No supported authentication methods available (server sent :publickey)" after that I changed the instance type (from t2.micro to t2.xlarge). I setted Putty up ...
- 1
0
votes
1
answer
6k
views
What causes reachability check failure on EC2 instance?
I have an EC2 instance which is stopped at the end of each working day, and then started again the following morning via a Control-M job. Most instances start with no problems, however occasionally we ...
- 1
0
votes
0
answers
196
views
AWS t3.medium web traffic
I have a ecommerce website running on t3.medium instance. Is there a way to find out how much web traffic can be handled by same in numbers? So if our web traffic increases do we need to buy another ...
0
votes
0
answers
20
views
methods of restricting access
I've been restricting access to the administrator section of my websites by IP. My Apache configs include a list of Allow directives that I maintain to let my staff have access. The maintenance is ...
1
vote
0
answers
2k
views
How to connect aws instance with aws cli?
I don't have ssh key but I have access to aws portal and console where the ec2 machine is there.
I tried using the steps in this link to connect ec2 instance.
Method 1:
using only instance-id and mssh
...
0
votes
0
answers
806
views
Nginx 502 Issue with the API & php-fpm
I've configured the new dev machine but can't get nginx working with the API as it is supposed to.
The current error is that 'curl localhost/api' returns a 502.
Host:
Nginx
PHP 8.1.x, php-fpm
...
0
votes
1
answer
3k
views
Extending File-system after EBS volume increase on M5 type EC2 with Ubuntu 16.04
Production AWS Instance: We have an m5 ec2 nitro instance that is in need of query optimization. However, we are in a time crunch and have decided to temporarily throw memory and storage at this until ...
0
votes
0
answers
21
views
Outgoing Brute force attack from my Amazon EC2 [duplicate]
First of all, thank you for reading this.
Today I receive an email from aws saying one of my fresh EC2 is being used for brute force attacks along with some details so I could fix the issue.
...
- 101
1
vote
3
answers
1k
views
Reducing Amazon EBS Root Volume Size on Amazon Linux 1
I have been trying to reduce the size of my Amazon Linux 1 AMI root volume using the procedure in this documentation (with some modifications made after failing to do so) and continuously run into ...
- 111
1
vote
1
answer
258
views
Idle database connection lost
I am able to connect to the database server (Firebird), run queries, all those fun things, but after an undetermined period of inactivity, the next query attempt generates the following error
Unable ...
- 111
0
votes
1
answer
190
views
EBS root volume being mounted on /media/xvda instead of / (Alpine Linux)
I followed these instructions to install Alpine Linux on EC2. Everything went well and I was able to create an AMI from which I can launch new instances.
My instance is supposed to act like a NAT ...
1
vote
1
answer
456
views
L2TP VPN with 2 network interfaces
I came up with this idea to use an AWS EC2 with two ethernet interfaces for an L2TP/IPSec VPN. One interface (eth0) will be receiving L2TP/IPSec connections (and ssh connections) from clients while ...
- 111
0
votes
0
answers
142
views
Individual Local Accounts on AWS
I'm my scenario, Currently, we have all developers connect to ec2 instances using the ec2-user account. Is there a better way to do this so we can see which actions developers take on the machines?
I'...
- 81
0
votes
1
answer
448
views
Logs hidden by a mounted disk in the same directory
We have (more than) a linux server on AWS that use a network file system, in our case AWS EFS, mounted on /logs directory.
It happens sometimes that:
the machine is rebooted
for any reason the ...
- 41
1
vote
2
answers
4k
views
Issues while adding CentOS EC2 to Windows AD
I am trying to add my CentOS EC2 machine to Windows AD.
My Windows Active Directory is configured on EC2 Instance in another account. There are two AD Instances (Multi-AZ) that are configured and ...
0
votes
0
answers
43
views
SSHing between clients connected on OpenVPN
I have an AWS server hosting OpenVPN and two clients connected to the service. I have configured the OpenVPN server to allow inter-client communication and can see both clients connected to the ...
- 1
1
vote
1
answer
891
views
risks upgrading Linux Lightsail instance
Should there be something to worry about when upgrading Linux Lightsail instance with Gitlab installed on it?
I'm looking to upgrade our business Gitlab running on AWS Lightsail instance from Ubuntu ...
- 21
1
vote
1
answer
209
views
How to configure commands to get executed automatically when AWS ec2 instance cpu utilization goes above certain percentage
The commands on the instance that has high CPU like taking java thread dump, checking processes running and upload to s3
- 11
1
vote
1
answer
2k
views
Environment Variable Empty in Bash Script
I have an EC2 instance that I am deploying on AWS.
I am using an Amazon Linux 2, and I am passing a user data to it as such:
userdata_file.write(
f'''
#!/bin/bash\n
export ...
- 127
0
votes
1
answer
247
views
Amazon Web Service (AWS) EC2 instances: Unstable network bandwidths with long-distance connections
I'm trying to deploy a data processing system over a wide area covering multiple regions of AWS. Before doing this, I've been profiling the network connections over the variety of distances, but I've ...
- 1
0
votes
1
answer
119
views
Traffic is not being spread evenly between replicas of OpenFaas functions
As per this documentation, I have configured direct_functions to false, which allows the provider to balance traffic between replicas of OpenFaas functions. But it sends the traffic to only one ...
- 113
0
votes
1
answer
51
views
AWS EC2 instance randomly refuses connections. Given the context below what could be causing this?
Context:
The instance sits behind an Application Load Balancer.
The main and only route table for the VPC routes locally as well as to the Internet Gateway
The security group for the instance and Load ...
3
votes
1
answer
6k
views
Amazon EC2 instance is out of space because "root" file is gigantic
I've been working lately on an AWS EC2 instance with ubuntu. This is my first experience working with servers, so I'm really new to this.
Lately I've noticed my free space has completely filled up for ...
- 31
2
votes
1
answer
2k
views
Could not resolve host: mirrors.iuscommunity.org
I'm not able to install or update the package on my centos machine .
check with
vi /etc/sysconfig/network-scripts/ifcfg-lo
ONBOOT=yes
NAME=loopbac
[ec2-user@ip- ~]$ sudo yum update
Loaded plugins: ...
0
votes
0
answers
96
views
Trying to partition aws linux server using shell script
When I created Amazon linux server(similar to Centos 7). I had these partitions
I am trying to create partitions using shell script
lsblk gives me following information
NAME MAJ:MIN RM SIZE ...
- 109
1
vote
2
answers
959
views
Is it possible to connect through session manager to the instance using SSH from an external source like my desktop. And if so, how
I have been clicking through the Session Manager console. Pretty neat.
The next question I have with this - I *think we should be able to connect using SSH from an outside SSH client. Meaning, I have ...
