Questions tagged [cloud-computing]
Cloud-Computing: Marketing term for clustered resources
321 questions
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Difference between a server running locally (on premises) with a cloud one
I was hearing someone talking about the cloud and how it is becoming more and more prevalent across companies and mentioned that most of the servers nowadays are made for the cloud and because of that ...
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0
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19
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Flutter Firebase my Android apiKey is different in Firebase Google json file and Google cloud
The latest file I downloaded through FlutterFire from Firebase. When I try to generate the Google Play Integrity token using the default ID, it doesn't work. However, when I change the ID to the ...
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0
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47
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How do IaaS vendors ensure consistent performance of the vCPUs they sell across different hardware?
IaaS vendors like AWS sell cloud instances based on vCPUs. In principle, vCPUs within the same type of cloud instance should have similar single-core performance (excluding the issue of noisy ...
1
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3
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567
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In cloud, is it possible to access guest VM from host machine?
In KVM, it is possible to access the guest machine from the host machine. For example, you can SSH to the host machine and then access the guest VM by virsh console vm_name.
Is that possible in cloud? ...
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44
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Basic questions about OpenStack
I am asking these questions here because I could not find the answer from google.
Who owns the physical servers and the OpenStack software, is it the customer or Canonical?
Where are the physical ...
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0
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325
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Is it possible to check the latency of internet connection to a of a remote location?
I plan to travel to a distant location and access a high performance computing system (located at where I currently am) while I have arrived at my destination then. However, I am worried about the ...
0
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1
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141
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Sharing a SQL Server between two locations -- best solution? [duplicate]
We're looking at opening a second facility which will have its own internal network for workstations and file sharing, but will need to access our central database server. Existing capacity on our ...
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49
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My GCP compute instance isn't receiving any port traffic
const express = require('express') const app = express() const port =
9093
app.get('/', (req, res) => { res.send('Hello World!') })
app.listen(port, () => { console.log(Example app listening ...
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73
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selecting vCPU harware family while creating VMs on AWS or Azure or Google compute
Do the AWS or Azure or Google compute allow user to select vCPU architecture/Family while creating a VM? Is that possible if I have to specifically create a VM with Xeon family processor and another ...
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2
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218
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Why do Cloud providers use MBR and BIOS?
https://wiki.gentoo.org/wiki/Handbook:AMD64/Full/Installation#Master_boot_record_.28MBR.29_or_DOS_boot_sector While installing Gentoo, I came across a segment talking about GPT and UEFI being the more ...
1
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1
answer
85
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Possible exposable asset type on Google Cloud
One of the ways to secure a cloud environment is to monitor all of the assets that we have. Recently, I made a script to get information regarding those assets by using GCP API, but I need to do it ...
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1
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162
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Oracle Cloud: Gradle in Compute Arm Instance: jcenter.bintray.com FORBIDDEN
I'm trying to build some project on a free
Canonical-Ubuntu-20.04-aarch64-2021.10.15-0 (ARM machine)
for example launching
./gradlew clean
On this project:
https://github.com/ReactiveX/RxJava
but I ...
1
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0
answers
232
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Downgrade Google Identity Platform back to Firebase Authentication
We used Firebase Authentication and were happy about it. Then I clicked the "migrate to Identity Platform" button — but that was a mistake. We don't use any of the advantages but end up ...
0
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1
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198
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Is it possible to run a virtual machine with the combined processing power of multiple physical machines? [closed]
I have two physical servers, can I launch an instance using all the resources from my servers ? Or are the ressources of my VM limited to one physical machine ?
And if this is possible, how can it be ...
2
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1
answer
2k
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Stuck on "Instance is being verified"
I've created instance groups of min. 2-instances by using Google Cloud. When I hover over the state of the instance group it says it is transforming while the instances are being verified. Please help,...
0
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2
answers
367
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Block Storage Metadata
What is the Metadata stored with file and block storage?
I assume that file storage has metadata regarding to the hierarchical nature of file system like,what files,what directories,files/sub-...
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1
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3k
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How to renew a certificate in Kubernetes 1.12
Hi I am currently working on renewing my certificate on Kubernetes version 1.12.
The certificate expires after a month. Before the certificate expires We need to renew the certificate and apply it to ...
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1
answer
96
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Can I build public cloud using bare metal servers? [closed]
Can I build a public cloud using bare metal servers, hypervisor? If not, what is the procedure to become a public cloud provider in the most cost-effective method ?
1
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0
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219
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openstack aodh charm remains in waiting state “'shared-db' incomplete”
please I need your help, We are running a platform built on the openstack framework(Rocky). Recently we decided to install the Aodh service on our platform so as to enable autoscaling with Heat. Our ...
0
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1
answer
33
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Dockers place in the cloud
Putting aside aws ECS and other container services for a moment, is a docker host running on top of a VM in the cloud irrelevant?
Containers are supposed to optimize out the guest OS, but since you're ...
0
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1
answer
567
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Openstack Using Ceph Erasure Code Pool
I tried configuring openstack with ceph pool erasure code backend
I'm trying to using —data-pool on ceph.conf using rbd default data pool like the following blog https://themeanti.me/technology/2018/...
0
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1
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121
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GKE On-prem Support for Openstack
Is is possible to install GKE-On Prem on Openstack private cloud? I tried to explore various documents, I am not able to be sure other Vmware VSphere, other private cloud set ups are supported or not.
...
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1
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2k
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Openstack octavia Provisioning status error when created loadbalancer
recently I deploy OpenStack ussuri using kolla-ansible based on centos8, I activate Octavia service by enabling it on globals.yml, after that I created the amphora flavor, security group, image with ...
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1
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59
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Basic Understanding of Cloud Hosting (e.g. AWS EC2)
,Hi everybody. At the moment I am looking for a good way to host my MERN Stack application and found that Cloud Hosting via AWS would be a great solution. Before proceeding I wanted to clarify some ...
2
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2
answers
912
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How should I interpret disk IOPS listed by cloud hosting providers vs. those listed by drive manufacturers?
When I look at disk (block device) storage options from various cloud hosting providers, I usually see numbers such as :
Google Cloud (Zonal SSD) : 15.000 - 100.000 read IOPS
OVH Cloud : (High Speed /...
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1
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116
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What difference between serverless computing and a virtual machine scale set [closed]
What difference between serverless computing and a virtual machine scale set, if the VM is on autoscale? Is there a difference?
I'm very new to this but I can't see the difference.
0
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2
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86
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Using AWS lambda or Google Functions to run the a large number of parallel instances of the same script with different arguments [closed]
I have a script for collecting data for different social media hashtags. The script currently makes a bunch of sequential HTTP requests, formats the data into a Pandas data frame, and saves it to a ...
0
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1
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45
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Cloud computing options for web mining a lot of data in parallel? [closed]
I have a school project I'm working in a class on web mining where I need to collect a lot of data from certain social media sites. I need data from a large number of individual hashtags on the site. ...
0
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1
answer
173
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What's the rationale behind using reverse-proxy in front of an application server?
Why do application server documentations always recommend using a reverse-proxy like Nginx? Take a random app server like Gunicorn or a built in server for NPM, what's the rationale behind using Nginx ...
0
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1
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1k
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NGINX RTMP + shared resource on Google Cloud auto scaling
i'm building a scalable infrastructure for my nginx RTMP server.
I've: nginx + arut-rtmp-module + ffmpeg on the server.
This is the scheme of the first architecture inside a managed group instance
...
1
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2
answers
1k
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Are oversubscription and overcommitment the same?
I see the terms being used together in the context of QoS and compute resource usage in the cloud, but I am lacking a formal definition of the terms and how they relate.
For example, this ...
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2
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142
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What are the implications of a cloud instance not being IPv6-supported
I am going to be reserving a cloud server instance. If I am simply pulling data from a websocket and communicating with a normal REST api, does an instance type not supporting IPv6 have any ...
0
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1
answer
109
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Server cost CPU time vs HDD space [closed]
I was thinking about how apps scale and what ends up costing the most CPU time or HDD space.
I know this question is a vague question and depends on the type of app but if anyone has experience with ...
1
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1
answer
243
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shutting down the google cloud account and project totally, how to save VMs apps and Services?
We have an order to shutdown google Cloud enterprise account now. We were running more than 50 VMs and apps, now the question is how to get these backup'ed and presrve it for future use or may be ...
0
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1
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1k
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google compute engine boot disk is full and ssh shell not responding
how to attach with new disk space and extend to file system with gcloud cli. vm instance ssh not responding and i tried all other ways. i have snapshot image of instance disk. please anybody tell me ...
1
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2
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45
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Cloud Computing for HPC
I'm looking into if cloud-computing services (e.g., AWS but others as well) can feasibly supplement the traditional clusters (such as Comet, Stampede2, Pleiades) I've been using to solve fluid ...
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1
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227
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How to organize projects in AWS?
In our team, we are using AWS as our main cloud provider and currently, we have 3 projects hosted on their platform.
We are about to have 2 more projects in the next weeks, but first, we want to ...
0
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1
answer
70
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SSH into DCOS master on Azure asks for password
I just set up a DC/OS cluster on Azure. I basically just followed the instructions from the Install Guide. So far so good, everything works as expected.
Terraform config used to install DC/OS:
...
3
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1
answer
5k
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Is it possible to Stop and Deallocate Azure VM from the VM itself?
I am trying to stop and Deallocate a linux Azure VM from the script that is running on the VM by
sudo halt
This terminates the session (ssh if interactive), stops the VM, but does not deallocate ...
7
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2
answers
22k
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What is Load Balancer Warmup?
What exactly is the process of warming up a load balancer? How does it help before a huge load process? How is it different from Simply upscaling a cluster behind the LB beforehand.
Do CSPs do ...
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1
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2k
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Who are the cloud computing "operators" and what do they do? [closed]
I want to refine my understanding of the term "operators" so I can use it properly myself. For example,
Stackdriver aggregates metrics, logs, and events from infrastructure,
giving developers and ...
7
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1
answer
6k
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I accidentaly enabled the UFW on my Google Cloud Computer
I accidentally enabled the UFW on my Google Cloud Compute debian instance and unfortunately port 22 is blocked now. I've tried every way to go inside the VM but I can't.
I'm trying to access through ...
0
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1
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1k
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Get "gs_secret_key" and "gs_access_key" values for Google Bucket
I need to create a directory in a Google Cloud Bucket using Ansible. I would like to know where I can find the values to complete "gs_secret_key" and "gs_access_key" to use "gc_storage" module in ...
1
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1
answer
116
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Understanding Nutanix features [closed]
From a very high level view:
Open Stack is sort of framework to manage your cloud but you need to implement things
Cloud Stack / Cloud Shift / Rancher are more or less solutions to get your cloud ...
1
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1
answer
2k
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What is the difference between the cloud disks supported by Alibaba Cloud?
When creating an ECS instance on Alibaba Cloud, I often get an option to choose a cloud disk e.g. from Ultra Cloud disk and SSD cloud disk.
What is the difference between these cloud disks and what ...
2
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2
answers
2k
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Public IP address in Alibaba Cloud instance
Is it possible to assign public IP address to an instance in Alibaba Cloud that would be visible after running
ifconfig
And not assigned via NAT. Need this for provisioning K8s cluster and it doesn'...
2
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0
answers
72
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Jenkins agents on GKE/GCE
I am using Jenkins to build my Angular applications on Google
Kubernetes Engine (GKE). At some point I noticed that the builds on GKE take
significantly longer than it used to take on my old (private)...
3
votes
1
answer
131
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How can I confirm a server instance I have access to truly has provided specifications?
I rented 4 server instances from my friends data center for an extremely cheap price. As advertised, each instance should hold Intel CPUs with 4x cores at 2.6GHz clock frequency each, 8GB of RAM, and ...
0
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0
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111
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VM Packing in Cloud Computing
I was reading some paper on Cloud computing which mentions that if we do better VM Packing, then the cost of building the cloud is reduced. From what I understand, it means that somehow size of VMs ...
0
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3
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105
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Best way to Auto Scaling a Customised Debian9 image whenever code base changes in AWS
I triggered an auto scaling group (from launch configuration) with a customised Debian9 image in AWS where I have preinstalled software packages like Apache, Memcache, Chrony along with PHP code base ...