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0
votes
1answer
25 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 ...
0
votes
3answers
62 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
votes
3answers
50 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
56 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
40 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
30 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 E5-...
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
37 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
28 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. ...
5
votes
5answers
539 views

What are good practices for distinguishing production environment from others? [closed]

My main area of work is programming, and I sometimes have to perform some actions on production servers (when deploying application or configuring something...). So my question is, what should be ...
1
vote
1answer
446 views

Setting Up Development Environment for Distributed Team

I need to set up a development environment for a small distributed team of under 5 programmers to build a site using Drupal. Development is done by each programmer on his/her own machine. Ideally, ...
2
votes
1answer
158 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 ...
1
vote
1answer
103 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 ...
4
votes
6answers
2k views

Do you really need cable management for a cabinet with just switches and patch panels?

We are about to start wiring out a building expansion and our vendor has laid out the racks in the following configuration: Option 1 1U Fiber patch panel 2U Cable Manager 2U 48 port Patch Panel 2U ...
0
votes
1answer
119 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 ...
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 ...
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 ...
0
votes
1answer
46 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
69 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
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 ...
6
votes
3answers
236 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
467 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 ...
1
vote
1answer
161 views

How to model the infrastructure for the Rails application with processor/memory intensive tasks (using EC2)? [closed]

I need to model a Rails application that does video processing using Amazon AWS resources (EC2). Application allows users to convert videos. Videos are uploaded by users. Right now it is running on ...
0
votes
2answers
146 views

Book about planning computer network [closed]

I'm looking for a book dealing with creation (building, planning, implementing, ... don't know the right word in English) of company computer network (about 1 to few hundreds computers with a few ...
7
votes
4answers
937 views

Release Management for Infrastructure [closed]

Does anyone use release management principals for system administration of infrastructure in the same way it is done for software development? I have been in the system administration field for more ...
2
votes
4answers
208 views

Cost saving measures from an IT perspective [closed]

We're looking at cutting costs in all departments, which of course, includes IT. There wasn't a whole lot of ideas other than auto-shutdown of all workstations at x-time and having low consumption ...
2
votes
3answers
132 views

Pros and cons of using appliances [closed]

I previously had negative feelings toward dedicated appliances. I enjoy getting my hands dirty and knowing the ins and outs of our infrastructure. However, after some discussion with my colleague ...
9
votes
2answers
322 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
184 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 ...
3
votes
1answer
72 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
153 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
3k 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
170 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
108 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
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
320 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
321 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
2k 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
494 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 ...
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, ...
11
votes
3answers
630 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
4k 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
396 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
120 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
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 ...
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 ...