Questions tagged [amazon-web-services]
Amazon Web Services (AWS) delivers a set of services that together form a reliable, scalable, and inexpensive computing platform "in the cloud". If you have a question about a specific web service, consider asking on its tag, e.g., amazon-ec2.
8,773
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Unexplained DNS_PROBE_FINISHED_NXDOMAIN
I have a website hosted on http://app.mytender.io. It works half the time, but the other time I get DNS_PROBE_FINISHED_NXDOMAIN.
The DNS entries are done in the hosted zone of AWS, and all looks ...
- 145
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1
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90
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After setting CORS, endpoints of web services are not retrieving data
Well, maybe I am not providing enough information to you all. Hope you can help me, give a clue or hint, or guide me how to advance.
I have an application that is consuming data from a web service. ...
- 105
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41
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Stop EKS/Traefik overwriting Inbound Security Group rules every 2 weeks
I have a kubernetes cluster (EKS AWS Managed) with Traefik Ingress service installed. Now, my understanding is the ingress service creates and manages the load balancer in AWS, and also the security ...
- 101
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1
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277
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How does docker swarm handle volumes mounted on replicated services and How would one integrate this with S3?
Setup: A docker swarm with one manager and one worker node (two virtual machines at play). The docker-stack.yml contains two services
primary: bitnami/postgresql image setup as the master postgres ...
- 131
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83
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EKS provisions nodes more than maxnodes using Karpenter
Currently I am using EKS with karpenter and I provision EKS cluster with values
minNodes: 1
maxNodes: 2
DesiredNodes: 1
Then I setup the karpenter using this link. After Setting it up as referred by ...
2
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2
answers
24
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Massive updates to DynamoDB
I receive from provider APIs multiple json item update at once and do not control how much can be received in the sense that sometimes there can be 1 item and sometimes 100k items.
these items are put ...
Fongios
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1
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347
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Redirecting subdomain to another subdomain in AWS
How can I redirect my alpha.example.com subdomain to -> dev.example.com subdomain in AWS route 53?
I think to do it that way but I am not sure if this will work, so if you can help me :)
Entering ...
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54
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Setting up AWS and Cube.js for Encrypted Connection Between BI Tools and Cube Container
I am working on setting up an AWS infrastructure integrated with Cube, and I need some guidance on how to properly configure it to meet my requirements. Here’s what I’m trying to achieve
AWS ...
1
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2
answers
605
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Strongswan VPN from Windows 10: no private key found / 13801
I am evaluating AWS starting with connectivity. As AWS VPN solutions would be cumulatively expensive, I thought I'd start DIY with Strongswan. I already have Strongswan working for our site-to-site (...
- 215
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248
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Routing outbound traffic through multiples NAT Gateways with a single static IP address
I have an ask from an external customer that is whitelisting our NAT gateways to access their systems and their vendors systems. They said some of their vendors limit the amount of IPs they can ...
- 111
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2
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268
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How does AWS Dynamodb optimize BatchWrite operation in terms of Write capacity units
If we are trying to insert many records in dynamoDb using batchWrite, then DynamoDb may optimize the BatchWrite operation such that the total size WCU consumed would be less than the total sum of each ...
Shadab Faiz
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1
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25
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How to get friend/business partner to view and edit Lex bots with me in AWS?
Long story short, I want my friend who's also my partner in my startup to help me with developing, testing, and deploying AI chatbots in Amazon Lex via AWS. I have him registered as a user in Identity ...
user1069212
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0
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3k
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AWS VPN Client - "Unknown error ocurred. Try again"
I'm experiencing a persistent issue with the AWS VPN Client and need some assistance. Despite numerous troubleshooting attempts, I'm unable to establish a connection and fail even before reaching the ...
9
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2
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1k
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AWS Graviton Processors: which encryption specs are hardware accelerated?
In testing Graviton instances there seems to be significantly more CPU overhead from AES/SHA functions compared to the same on cheaper/smaller Intel/AMD instances. Do these procs supports hardware ...
- 281
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1
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61
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AWS CLI Return Nested Results
I am trying to execute an AWS CLI query for EC2. I have crafted the query below, but the triple nesting seems to be throwing things off for InstanceStatus.Details.Status.
aws ec2 describe-instance-...
- 13
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1
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103
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Spoke VPC over VPN to IGW
Is it possible to modify this solution so a spoke VPC connects to the TGW hub over VPN, and that spoke VPC's internet access is centralized full tunnel?
https://aws.amazon.com/blogs/networking-and-...
- 105
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159
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gRPC Client -->ALB--->Server
I have gRPC Client with Python code as below and making a gRPC call though ALB but seeing ssl handshake errors.I have root cert in place in client certs directory but still handshake is failing.
...
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0
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84
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Slow mysqldump export in Amazon RDS
I need to migrate a MySQL database in Amazon RDS to another local environment, but the dump is extremely slow. The internet connection is fine; could there be some restrictions in AWS?
For example, in ...
- 163
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1
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320
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Why run multiple containers of the same docker image in single EC2 instance
I am new to docker and my question is based on the following Reddit thread: https://www.reddit.com/r/docker/comments/p7d12j/why_run_multiple_docker_instances_of_1_image_in/
Some comments in the thread ...
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106
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Ping from a network namespace to another EC2 instance not working without NAT rule
I have the below setup.
I have setup two EC2 instances. I have added the security group rules on both machine to allow ICMP traffic and both can ping each other.
On one machine I have created two ...
5
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2
answers
1k
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Thousands of incoming HEAD requests - best way to handle with EC2?
I had unusually high https traffic recently from a couple of IP address with agents masquerading as Windows clients. I blocked the range via 'deny' inside of .htaccess (Apache 2.4)
I'm still getting ...
- 475
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105
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Incorrect dmarc record landing some mail in spam
I have just received notice from one of our partners that some of our emails sent via AWS SES are being flagged by their email provider as potential spoof DMARC.
We used route 53 to add all our DNS ...
- 101
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73
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How to get CloudTrail to record user-data script in the log
I have users who will be able to submit scripts to instances via the aws ec2 run-instances --user-data file://bla.sh option.
I have setup CloudTrail to save almost all of the data that I need to log ...
1
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1
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458
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What happens when AWS secrets manager rotates a secret
I'm exploring AWS secret manager for an upcoming project. I got a bit confused around the concept of rotating secrets. It seems I can only keep the secret for a specific duration and after that it ...
- 293
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161
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AWS App Runner auto scaling configuration for handling occassional spikes
We're serving php:7.4-apache image through AWS App Runner and wanna handle spikes of 40k~ or so requests. But we're running into max queue length has been reached error sometimes.
Here's our App ...
- 73
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0
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105
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AWS EC2 networking
I've been trying to understand how exactly networking works for EC2 instances, more specifically I'm coming from on-prem infrastructure where I had dedicated networking devices (switches/routers) ...
1
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1
answer
188
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Strongswan VPN to AWS / connectivity issue / No response back to ping
I create a VPN between an ec2 with strongswan and aws vpn connection attached to a vpn gateway with dynamic routing (bgp).
Tunnel is UP. Ping is OK in one way DEST TO CLIENT but not the other way.
Can ...
0
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2
answers
67
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S2S VPN on AWS EC2 - routing issue for VPC
I'm trying to prepare VPN setup from scratch. I used Terraform + AWS + Strongswan. Basic diagram is attached here:
AWS diagram, S2S VPN
So I have VPC_left: 172.32.0.0/16 with subnet_left: 172.32....
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175
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Django on EC2 can't connect to RDS (Same VPC, same subnets)
i set up this environment on AWS:
VPC:
1 Public subnet
Route table with Internet Gateway
2 Private subnets
Route table with NAT
I created a subnetgroup with the private subnets and attached it to ...
0
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0
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104
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Can't connect instance that is migrated to AWS
I am migrating Azure instance to AWS, I migrated it successfully but when using EC2 instance connect or doing SSH using key pair I am unable to login. How can I resolve this issue?
Steps I Followed
...
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0
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12
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Traffic flow between network-interface due to VPC peering
We have a scenario, where we have SBC instance which has three network interface attached to it(1,2,3). SBC instance along with network interface 1(management),2 are deployed in VPC A, where as ...
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94
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Choosing AWS hosting for flutter website
Choosing AWS hosting for flutter website
I have a flutter website and i have been thinking to host the site in
AWS.
I have saw the below features in aws which I can use for hosting
my website.
AWS ...
0
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1
answer
227
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AWS instance gateway using Amazon Linux
I'm trying to create a gateway on an aws ec2 amazon linux machine so that a worker machine without access to the internet can gain access via the gateway. Then I will install a server on it and ...
- 1
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0
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54
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AWS - Elastic Beanstalk - failed due to missing certificate
I'm using the same EBS instance for years.
Today it started failing, when I restart it.
I checked and the reason is there is a certificated included in load balancer, and this certificate is deleted.
...
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274
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In a cloud environment, should we alert on high CPU utilisation or high load avarage?
What is the best practice for monitoring the system, should the CPU alerts be based on the regular CPU usage or load average?
I'm wondering what approach is being used in big cloud environments.
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128
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How to apply an ssl certificate to a Load Balancer Listener using OCI Certificates
I'm currently working on running a small personal server using OKE and a load balancer. My problem is as follows
I attached the OCI certificate to the load balancer listener, but it doesn't work, ...
- 1
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0
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110
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Delete object everyday in S3 bucket
i'm trying to delete folders(objects) in the S3 bucket everyday (with lifecycle rule). I have this scenario :
TestBucket -> connect/ -> test/ -> 2023/ -> 12/ -> 01/, 02/, 03/ etc.
I ...
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0
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47
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Can you exceed 1 gigabit from an EC2 instance to an AWS Aurora MySQL instance?
I'm importing a terabyte of data into an AWS Aurora MySQL table from an EC2 instance. Because our service will be down while migrating prod, I care a lot about the import speed.
Currently I can't ...
- 171
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18
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AWS instance when self-hosted via cloudlfare is stuck on the login page,when logged in,it just deauthenticates and returns to the login
I am hosting an AWS instance and running filecloud on it.It works perfectly when accessed with the public IPv4 DNS.I added a CNAME record on cloudflare to connect it to my personal domain. When ...
- 1
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1
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124
views
SSH access to my AWS EC2 container
C:\Users\javac>ssh -i "DemoServer.pem" [email protected]
The authenticity of host 'ec2-52-15-253-230.us-east-2.compute.amazonaws.com (52.15.253.230)'...
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180
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AWS ALB gives 504 timeout when vpc cni network policies applied
I've got argocd deployed on EKS, with ingress running on top of AWS Load Balancer Controller.
Alb controller is deployed in kube-system. Argo is deployed in argocd namespace with internal alb created ...
- 101
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1
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128
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Windows EC2 Networking: packets dropping if PPS is too high
I have a Windows 2019 Server running on AWS EC2 (m5.4xlarge) which is dropping packets under high pressure ("high" in this case is about 10K pps). The bandwidth is doing perfectly okay, the ...
- 101
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69
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Networking Issue or SAAS Issue?
New here, first-time question! I am running a tracert to evv.sandata.com and I am seeing the following below. It appears AWS is not responding and I am getting a "Request timed out", from ...
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149
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IPv6 ICMP rules for AWS Security Group
I'm in the process of configuring IPv6 ICMP rules in my AWS Security Group, specifically for an EC2 instance. I need to allow ICMP traffic for the PTMUD protocol and other related protocols. In the ...
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0
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13
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Removing kubernetes.io/aws-ebs in-tree StorageClass
After installation of aws-ebs-csi-driver I've realized that there is default in-tree implementation kubernetes.io/aws-ebs which is deprecated according to official doc:
$ kubectl get StorageClass
NAME ...
- 321
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1
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536
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CoreDNS pods in AWS EKS Fargate unable to pull image
I created a PRIVATE EKS Cluster using AWS Console. Then, followed the documentation to configure Fargate. After I finished, I can see my Fargate nodes under Compute tab in my cluster in AWS Console, ...
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917
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How to enable IMAP PHP extension on AWS EC2 instance Amazon Linux 2023?
This question is related with the following one: How to enable IMAP php extension on aws EC2 instance but they are completely different.
I use PHP 8.1 and Amazon Linux 2023, this version does not have ...
- 101
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2
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343
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nslookup fails while dig succeeds with private Route 53 hosted zone
I have set up a private AWS Route 53 hosted zone.
If I run nslookup on the newly added entry, I receive an error:
$nslookup search.syndey.recap
Server: 127.0.0.53
Address: 127.0.0.53#53
** ...
- 101
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1
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314
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How target group dns failover works with AWS
I currently have an AWS load balancer and it has a target group, containing an instance per AZ: 2 of these are unhealthy and I have configured the attributes of the target group so DNS failover ...
0
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2
answers
848
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mod_wsgi on Amazon Linux 2023
I want to install Apache server module mod_wsgi on (Server version: Apache/2.4.56) Amazon Linux 2023 a Lightsail Instance. I have python3.9 and I tried with rpm it's showing error - Problem: ...
