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1
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3answers
32 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
votes
1answer
51 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
votes
1answer
35 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: ...
1
vote
0answers
25 views

HCI Servers Build… Starwind VSAN or VMWare vSAN? [closed]

I'm hopefully going to build a few HCI node servers, with this chassis: Supermicro | Products | SuperServers | 2U | 6028UX-TR4 I'd like to do 3 nodes, hyperconverged with a VSAN software. 2 ...
3
votes
1answer
18 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 ...
0
votes
0answers
35 views

Can we write an custom check for monitoring a process with Data Dog

I want to write an DataDog Check to monitor some process like Puma, delayed_job etc, I can see there are ready plugins available for these for nagios and Sensu but not for DataDog, But can I write my ...
1
vote
1answer
25 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
votes
0answers
33 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
votes
1answer
44 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 ...
0
votes
1answer
63 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
votes
1answer
156 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 ...
-2
votes
1answer
43 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
votes
1answer
113 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
votes
1answer
70 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
votes
1answer
144 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
votes
1answer
54 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
votes
2answers
310 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
votes
1answer
314 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
votes
3answers
466 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 ...
1
vote
1answer
2k views

Export AWS Infrastructure to diagramming tool [closed]

Is there a tool, like visio, but preferably open source, that will connect to Amazon AWS, retrieve a list of my EC2 machines, S3 buckets, Route 53 Settings etc and then add them to a diagram in some ...
5
votes
1answer
1k views

How to use terraform.io to change the image of a stateful server without downtime or data loss?

Say I have application servers, database servers, and a few dns-round-robin load balancers. All this powered by images created with Packer with deployment managed with Terraform. How do I change the ...
11
votes
3answers
620 views

What types of systems have to “scale up” rather than “scale out”?

I have been wondering for a long time if there are systems that have to "scale up" (onto a more powerful, more expensive server) rather than "scale out" by being split across many smaller servers. ...
1
vote
2answers
385 views

Pros and cons of virtualization [closed]

I'm aware of many questions here discussing similar topic, but in this case, I'll try to be much more specific. One target scenario is small to mid-size ISV, the second scenario is an enterprise ...
1
vote
2answers
170 views

Infrastructure advice - appliaction and network servers

I'd like to ask for server infrastructure advice. We'll be upgrading our network infrastructure (built on MS ecosystem) and so far we have two servers (not counting ISA server): one machine serves ...
-1
votes
1answer
49 views

Doubts about Cloud Infrastructure [closed]

Maybe a little more of the same questions that others have asked but wanted to clarify my doubt, for some years run my hosting company (reseller of esds) and I've done well so far, but I am determined ...
4
votes
2answers
117 views

Beginning a company's digital certificate infrastructure [closed]

What type of digital certificate product do I need to begin a digital security infrastructure within my company and for use by our customers (pre-trusted by chaining)? I believe I need some kind of ...
2
votes
2answers
158 views

Looking for recommendations on how to evaluate replacement of on-premise server with new server or go to cloud

My business has about 15 people in a single location. We've lived forever off a local Windows Server for file sharing (about 800 GB) and access to our accounting system, which is also file system ...
1
vote
1answer
329 views

Load Balancer and using multiple SSL certificates

Here is our current production configuration at a 3rd party data center: •2 LINUX/CentOS tomcat web servers behind a shared load balancer •DNS entries point to the load balancer •Web apps are ...
0
votes
1answer
116 views

How to setup my email infrastructure (small company) [closed]

I am new to the field and I am trying to learn. I have a domain name (let's say mydomain.it) registered with Company A. Company A provides me both a DNS service and a Mail service. I use the DNS to ...
6
votes
1answer
111 views

When should an org invest in a private infrastructure as opposed to a partially or fully hosted solution? [duplicate]

Not referring to militaries or governments, but for other organizations or shops that needs an IT infrastructure (who doesn't nowadays). Similar to this question, but purely in regard to hardware ...
1
vote
1answer
468 views

Can I build an Azure Only infrastructure for my small business?

I have small business, 63 people now, but we are growing slowly. We have no Active Directory, we use Office 365 for email, and about 25% use Macs. We are kind of spread out, 3 offices with more than 5 ...
1
vote
1answer
775 views

LAN Redundancy - NIC, Cables + Switch?

I'm trying to move to a HA solution and would like to understand what hardware is required to have redundancy in the NICs, switch and cables. The diagrams below show how I envisage a non-redundant ...
1
vote
0answers
363 views

Separating Secure Network and DMZ (nonsecure) in a PCI Compliant Infrastructure

We are setting up a PCI Compliant infrastructure where most of our applications are running in a DMZ (demilitarised zone) that contain no sensitive information. The part that contains sensitive ...
1
vote
1answer
79 views

Questions to ask when choosing an infrastructure [closed]

My company will be in need of a backend to bootstrap its services and I'm in charge of the infrastructure choice. The products will consist of several apps (mobile, web, desktop) with a common backend ...
0
votes
2answers
101 views

A backup system alone: tower or rack chasis?

We'll install a backup system in following possible configurations: two servers in cluster with a SAS JBOD attached to them one server with the same JBOD in back However I'm thinking if really is ...
0
votes
2answers
1k views

It is possible to visualize the load of an APC switched PDU for a specified period of time?

There are some APC PDUs AP7953 and now we think about a solution for check the load over a period. We don't need a 100% correct Value only a trend on which hours we have more load to localize peeks in ...
1
vote
1answer
101 views

BT socket Device over Structured Cabling

Essentially I have a Credit Card machine which is connected to a phone line via standard BT Socket. So basically, the port of the wall has a balun plugged in which takes the RJ45 outlet on the wall ...
1
vote
4answers
1k views

TCPing reports 20ms latency between Web Farm and DB

We have a IIS web farm sitting in a DMZ connecting to a MSSQL DB(Windows Cluster). After troubleshooting some performance problems we stumbled upon strange network behavior. We wanted to test network ...
-1
votes
2answers
112 views

infrastructure of an web app [closed]

I'm curious as to the infrastructure of an web app... is it a network of cloned servers with the same exact app/source code, a network of cloned database servers and a network of media/asset servers ...
2
votes
5answers
305 views

VOIP Power outage strategy

In the past 2 years, we have had 4 instances where we have been without power for a period of 4-6 hours - due to construction crews cutting power lines, car accidents involving downed power lines, ...
0
votes
1answer
153 views

Infrastructure design recommendations for a simple proxmox setup

I am aware of the dangers of this question being non-constructive so bear in mind I did my best to narrow the possible answers I get. I am swapping an old dedicated Gentoo server for a new one, and ...
1
vote
2answers
137 views

Inter-site linking with a WAN cluster infrastructure

I am planning to deploy an infrastructure of 11 nodes using Opscode Chef, providing for a high availability web application. I would like to spread the nodes across datacentres for availability, for ...
33
votes
5answers
7k views

What to look for in a server rack?

I'm looking to purchase a rack/enclosure for some servers. As this is my first time shopping for this type of equipment, I need to know what to look for. I'm asking not only about how to buy the rack, ...
3
votes
3answers
1k views

Out of band notification when UPS loses mains power?

We're currently looking into upgrading our UPS and possibly having a small petrol generator on site in the eventuality that the UPS battery is used long enough to drain it completely. Realistically, ...
8
votes
2answers
810 views

10GBASE-T shielded cable switch-to-server connection

I'm venturing for the first time into the 10 gigabit (over copper) realm. Likewise, I have never worked with shielded CAT-5/6 cables previously. From my own research, I understand the types and ...
1
vote
1answer
732 views

Opscode Chef nginx compile from source issue reports successful run but does nothing

I am trying to install nginx from source in Opscode Chef and its bit weird, it runs complaining nothing but does not install it either. This is how my role attributes look like looks like "nginx":{ ...
0
votes
1answer
379 views

On-premise VMware vSphere vs Amazon VPC for small business [closed]

Background I have been managing all the IT for a small business (owned by a family member) of ~5 users for about 10 years. Since about 2 years the infrastructure is 100% virtual running on VMware ...
2
votes
2answers
1k views

What happens with the Guest OS's on ESXi in the event of a power failure?

Many small businesses would prefer to let their server drop on power failure than to pay even $100 for a cheap UPS. It's often difficult to convince them of the value of something like that; it's why ...
3
votes
1answer
772 views

Rails/Mongo across multiple different geo-regions

I have a system that by necessity requires physical presence in three or more different locations and I need advice on structuring in such a way that my database stays replicated in a timely manner ...
1
vote
1answer
893 views

Standards for documenting/designing infrastructure

We have a moderately complex solution for which we need to construct a production environment. There are around a dozen components (and here I'm using a definition of "component" which means "can ...