Questions tagged [infrastructure]

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Server recommendations for application API [duplicate]

I currently have an application (API) hosted on a small server 1 GB RAM, 1 vCPU (Digital Ocean), the application read/writes to a MYSQL database which is also hosted on the same server. I expect that ...
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1answer
52 views

Architecting for microservices application

I am not sure whether this is a right forum to ask question with respect to the infrastructure architecture. But posting the question hoping so: One of my customer has a web application which is ...
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36 views

Must a patch panel be initially terminated in the rack?

If Cat6 Ethernet cables were terminated to a wall mounted patch panel, is there a method to move the patch panel to a rack (without having to cut them and reterminate them)? Is a patch panel coupled ...
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1answer
28 views

A good method of mapping our AWS server infrastructure

Small company. We have an fairly robust application we built that runs on AWS that serves many clients. Our Sys Admin / Lead Developer has left the company and took with him knowledge we didn't all ...
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1answer
37 views

Enforcing monitoring on AWS resources

We have a couple huge AWS accounts and I've been tasked with implementing guidelines for monitoring resources and ensuring that monitoring is set up for all existing and future resources. Is there ...
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0answers
29 views

Alternative to environment modules (Lua/Lmod) for small linux infrastructure

I am the new system administrator of a lab containing ~20-25 computers running on Linux (Ubuntu 16.04-18.04). The actual system for software management is a computer used as a Lua/Lmod module server. ...
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1answer
211 views

How to stop GCP vm instances using terraform

How to stop GCP vm instances using terraform? I have tried changing status of the vm instance, it's available for AWS but couldn't find the way to do it for GCP.
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1answer
100 views

Use an output from a previous deployment in Google Cloud Deployment Manager

I'm fairly new to GDM but I've a few years of CloudFormation under my belt. I'm trying to split the deployment of my resources into multiple deployments. I'm now running into an issue where I need to ...
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2answers
74 views

Is it possible to make website that is using the cloudflare dns proxy work during cloudflare outage?

I thought about setting up a small server with nginx reverse proxy, adding its IP as A dns without cloudflare dns proxy next to main A record with CF dns proxy enabled, so it will be a backup option ...
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1answer
2k views

Azure ARM Templates for deleting the resources

I know we can create infrastructure using ARM templates. Can we do the same for deleting the Resources. I dont want to delete all the entire resource group but few resources in a resource group. Is ...
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1answer
614 views

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 ...
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1answer
20 views

Can I replicate an Azure VM while the said VM is still running? or Will the VM stop while replicating?

I have and Azure VM which is quite critical as it is running services. I wanted to replicate that VM. My question is, Can I replicate an Azure VM while the said VM is still running? or Will the VM ...
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1answer
41 views

What would be some Patterns and Anti-Patterns for deploying mirrored environments in AWS (or other cloud providers)

I am looking to find some good patterns and anti-patterns for deploying mirrored environments (for simplicity lets say an EC2 Instance, and RDS and S3 bucket, which is a pretty common set-up). Lets ...
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1answer
28 views

Multiple instances mysql on Centos 5.5

There was an old system on Centos 5.5 which pattern as below: OS:CentOS release 5.5 (Final) Web Server:Apache 2.2.3 AP Server:Tomcat 6.0.3.6 JDK:1.6.0_37-b06 DB:MySQL 5.5.27-1 As customer ...
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1answer
274 views

Maintenance of nginx server with zero downtime

I manage a few servers and for the sake of the question let's consider these three: nginx server: it only runs nginx and serves static files, responses from the disk cache, or passes requests to the ...
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258 views

IP failover with Ubuntu Server

I have some questions about how to proceed with an issue that was suggested to me, and about the tools I can use to do this operation. Well, I have two hosts, these two hosts have two Network ...
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77 views

AWS serverless setup for recurring tasks?

I have a database consisting of many items. At least one time per day I want to loop through all items in this database and for each item, call an external API to fetch current data about this item ...
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2answers
143 views

Difference between hard drives [closed]

I recently purchased an HPE ProLiant DL380 Gen9 Server for my company. This is all new to me and I am trusted to creating my companies IT infrastructure(hired to do software). I'm having a hard time ...
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2answers
955 views

Mirroring 2 Host with their own local storage

I'm trying to decide between 2 infrastructures. 1. 2 Servers host that point to a NAS 2. 2 Servers that mirror each other with their own local storage. Infrastructure Requirements: 50 TB of storage,...
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1answer
217 views

Creating a new Infrastructure for my company using Windows Server and FreeNas

I was hired to create software but now also stuck with governing all of the IT work. The company uses a Windows 10 Home machine as a file server for 13 users. I need to plan for up to 50 employees. ...
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2answers
70 views

Windows Server 2016 setup [closed]

I have physical server with the following configuration: HP ProLiant DL320e Gen8 v2, E3-1231v3, 32 GB, 2x1 TB I plan to install MS Windows Server 2016 Datacenter and create multiple virtual machines ...
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0answers
45 views

Required switch per building

Conventions: - Building: Called building, in fact it is a container (used for shipment 42ftx8ft). The scenario: - There are 4 buildings installed on the ground, separated between 32ft(10m) and 49ft(...
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1answer
504 views

Setup a private network between my 7 dedicated servers in different data centers?

I have 7 dedicated servers running at a host provider. Whenever I order a new server I cannot rely on having my servers being setup in the same rack, so I cannot have a physical private network ...
1
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1answer
101 views

Does Open-stack supports heterogeneous servers as infrastructure

My company uses Apache cloud stack, but we are planing on upgrading our on premise cluster, and change our IAAS from Cloud-Stack to Open-stack my question is, can we use different servers generations, ...
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2answers
255 views

Redundant UPS with 2 power sources

I've 2 power sources in my house: One from the national power grid and another from an internal power source. I've several power sockets in my server room from these 2 sources. Did some research and ...
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1answer
339 views

Puppet resource dependency

Hello everybody, When I do puppet apply, I get the error: Warning: Scope(Mod::Cl[title]): Can't load '/tmp/file.yaml' File does not exist! Error: Evaluation Error: Error while evaluating a ...
3
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1answer
216 views

Openstack redundant architecture on three servers

I would like to deploy an Openstack architecture on three (super)servers in a way that if one of server is down the Openstack infrastructure is still functionning. What is the best way to deploy ...
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1answer
563 views

Latency load balancing + failover solution

I am looking for a latency (or geo) load balancing solution combined with dynamic fail overing. The infrastructure is based on 3 dedicated severs from OVH. The servers are located in 3 different ...
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0answers
71 views

Selecting suitable server infrastructure for an SME envionrment

I've been assigned to come up with a solution to best fit our organization needs. Basically, we currently have a single server running few bunch of VMs on one organization. And the need now is to ...
1
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1answer
844 views

How to let Ansible pick a datastore and ESX host in VMware?

I need 50gb space, 64gb of ram and 2 cpu's for new virtual machines. We want to use Ansible for infrastructure as code, but what would best practices in letting Ansible picking the right datastore ...
1
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1answer
188 views

networking devices for structured cabling - building and campus distributors

Which type of network hardware devices (Router vs Swtich) you would use as a campus distributor in a structured cabling project? It seems logical to use switches as building distributor, we can ...
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1answer
604 views

How to use another IP-address for outgoing traffic?

Background I run a server with two external IPv4 addresses. IP-address A (IP-A) and IP-address B (IP-B). Goal I would like to access IP-A over HTTPS port 443 and SSH port 22 only. IP-B shouldn't ...
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3answers
172 views

Connectivity between switches using SFP+

My office infrastructure is currently configured with HP Procurve switches. They are interconnected with 10Gbps fibre. All the SFP+ Ports are in use on all the switches. I am looking at buying a new ...
2
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3answers
74 views

How can I keep a third-party cloud provider accountable for guest VM performance?

I support an ERP system for a manufacturer. We're experiencing intermittent application performance issues on our database, hosted on VMware by a third-party cloud provider. (They're a smaller ...
2
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1answer
85 views

Can unjacketed cable handle gigabit speeds?

Looking at taking over management of an old network that was done in 2004. Surprisingly, for the time, it is category 6 cable. About 200 ports in each of 5 IDFs, all running PoE. But I'm worried the ...
0
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1answer
168 views

Puppet Duplicate declaration: Class

I'm bit new to puppet, but I'm not sure how this would become a duplicate declaration, can someone please give me some direction whether this is a correct usage of class passing params or not? Error: ...
3
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1answer
22 views

Should our traffic drive our system design or our system design drive our traffic?

A few weeks ago, I have moved to a new company as Linux system administrator, they are going to start a project of moving production servers infrastructure from a data center to Amazon AWS. They are ...
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1answer
45 views

Geo-Availability Single Terminal Server Opinions [closed]

First off, I am not an Azure specialist by any means, but I do have experience with creating Azure VM's for site to cloud replication and stand-alone cloud environments for business solutions. ...
2
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0answers
45 views

Security concerns w/ physical vs virtual network gateways [closed]

I am in the process of setting up a private network that uses a gateway system for access to certain services on systems behind the network, e.g. ssh, ftp. I have some experience using virtualized ...
0
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1answer
202 views

Use WAN as internal network

Suppose I have a little web infrastructure for serving clients that contains nginx as a frontend server, couple of backends (upstreams), a messaging system, db and so on. This stuff is located on ...
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1answer
117 views

Patch panel confessions

So the old IT guy was a college student with no experience prior to be hired beyond some classes. The one before him had no experience at all and just did his best with what he had. Now I am here and ...
2
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1answer
279 views

Configuration changes in immutable infrastructure

How are people who are using immutable infrastructure handling configuration changes between their different environments? I can't workout a nice way to create one AMI per role and use it in all ...
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1answer
71 views

Do you know any application that helps to keep a inventory of dependency beetween aplications and servers? [closed]

with the grow of the number of servers and applications in our environment, we are facing a problem when we need to reboot some server and do it, thinking that is safe, and then we realise that some ...
0
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1answer
182 views

Using Azure as infrastructure as a service, configuring HTTPS endpoints / load balancer

I am quiete now to the topic of routing traffic, since it's done by our hosting provider so far. I would like to setup some Virtual machines and configure HTTPS and Loadbalancing on Azure. I do pick ...
3
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1answer
134 views

Detecting Infrastructure Provider in Puppet

Note: we use Puppet standalone (master-less) i.e. puppet apply. Usually, while deploying a web application there are a number of back-end services and applications that run behind the front-facing ...
0
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1answer
236 views

Building the infrastructure to support a web application

I am building infrastructure to support a web application. I think I have a decent idea of what the infrastructure should look like, here's what I have: 2 x 16GB, 4-Core HAProxy servers for load ...
0
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1answer
67 views

Securing Webserver and Database

I need to secure an internal web server and sql db, that is going to be made public(www) At this stage im only looking to provide a reasonable amount of security($$) until it gets bigger at which ...
0
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2answers
471 views

Best way to connect the network to the internet?

I'm setting up a small network for an air cadet squadron I help to run. We've just moved into a brand new HQ which is kitted up with ethernet ports throughout the building so I thought I may as well ...
2
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1answer
373 views

using pgpool doesn't see a list of variables into group_var directory

I am using Ansible + Vagrant to create my infrastructure or make a little simulation of I wish. It installing postgres and creating a ssh directory to store the differents keys for each host. It is ...
2
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3answers
991 views

Wireless network infrastructure for an office with 40 employees

In my company we're facing connectivity problems due to our not very professional network infrastructure. We're growing now, and we expect to be 40 people at the office by the end of the year. I'm ...