The tag has no wiki summary.

learn more… | top users | synonyms

2
votes
0answers
27 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 ...
2
votes
1answer
673 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 ...
0
votes
1answer
26 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
40 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 ...
1
vote
0answers
46 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
25 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 ...
6
votes
3answers
233 views

Oracle: 1 Large Server vs. 2 Smaller Servers?

We are in the planning stages of setting up our production Oracle 10gR2 environment. Our budget gives us the ability to buy 2 processor licenses of Oracle DB Standard Edition. We have minimal ...
2
votes
2answers
101 views

How do you ensure that two data network links have no SPOF?

How do you ensure that two data network links have no SPOF (Single Point of Failure)? We are working on a datacenter network connectivity and need to ensure that there will be no SPOF. We will have ...
4
votes
1answer
402 views

Tool for network/infrastructure graph [closed]

I search for Linux a graphic tool to document our network/server infrastructure. A script that converts maybe some textual representation into dot (i.e. graphviz) would be enough. Nodes should be ...
9
votes
2answers
311 views

My server setup for a heavily used API

I will soon be buying a bunch of servers for an application that I am about to launch but I have concerns about my setup. I appreciate any feedback I get. I have an application which will make use of ...
-1
votes
3answers
169 views

What piece of software do you recommend to help me keep an inventory of only infrastructure equipment? [closed]

I am aware of the popular suggestions for IT Inventory & Asset tracking software like Spiceworks, GLPI, Open-AudIT, etc. Unfortunately, these pieces of software are not geared toward my specific ...
0
votes
1answer
77 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
46 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
92 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 ...
6
votes
6answers
2k views

How to properly deploy multiple computer labs and have room for future expansion?

I am currently the only computer guy at a high school (small budget). Currently, there is no real infrastructure in place. There are just office computers connected to a consumer grade router that ...
0
votes
1answer
167 views

Network port mounting bracket/box

Does anyone known of a source for open back, low voltage, old work, electrical boxes that are intended to be installed through the Sheetrock and mount to studs? I've found boxes for old construction ...
2
votes
3answers
105 views

How to design the infrastructure for an application serving USA and Canada?

I am developing a service that will be applicable for both Americans and Canadians, the data collected and stored are not legally allowed to cross the borders...which is new to my knowledge. So what ...
0
votes
1answer
46 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
175 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 ...
1
vote
1answer
188 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 ...
3
votes
5answers
1k views

A plan to mitigate PDU failures?

A client just experienced a complete failure of an APC AP7911A switched/metered rack power distribution unit (PDU). This obviously took all of the connected equipment down with it. The equipment is ...
2
votes
3answers
296 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
633 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 ...
32
votes
5answers
5k 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, ...
10
votes
3answers
562 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. ...
17
votes
6answers
3k views

What else do I get with Cat 6 beyond future proofing my wiring?

We are about to put in the wiring in an expansion of our office building and the vendor is proposing we use Cat 6 cabling because it is "faster." Gigabit works fine over Cat 5e which is what our ...
1
vote
2answers
233 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
151 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
44 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
104 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 ...
1
vote
4answers
919 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 ...
2
votes
2answers
134 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
225 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
95 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
108 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
312 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
2answers
4k views

Best practice to trunk two GB switches?

I already read some similar questions but I still have no clue on how to do it the right way. I have a D-Link DGS-1248T 48 port GB-switch with 4 mini GBIC ports and I want to connect it to another ...
1
vote
1answer
505 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
234 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
72 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
95 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 ...
3
votes
9answers
812 views

active directory or workgroup for production machines

The old school of thought was that application and database servers should not be part of the domain. I have my network setup such that only the app servers can communicate with the db servers. The ...
0
votes
2answers
618 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
83 views

BT socket Device over Structured Cabling

Not sure if this is the right stack* site to post on but I believe cabling is a just subject. Essentially I have a Credit Card machine which is connected to a phone line via standard BT Socket. So ...
1
vote
2answers
131 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 ...
-1
votes
2answers
109 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
270 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
141 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 ...
3
votes
3answers
795 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, ...
7
votes
2answers
605 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 ...