The Case for Making the Transition from Sysadmin to DevOps Engineer
DevOps combines software development and IT operations in order to shorten the systems development life cycle. There's a learning curve, and there's no time like now to get started. More ...
SME Network Internet IP Addressing Strategies
Every device that needs to communicate with the Internet needs a unique IP address. There are two different, and functionally incompatible, IP addressing schemes: IPv4 and IPv6. More ...
Five Network Design Considerations
Here are five things that must be taken into consideration in a network's design. A designer must consider; redundancy, congestion, hardware limits, monitoring, and Layer 8, the hypothetical 'user' layer of the OSI model in network design. More ...
Structured Network Troubleshooting Methodology Step 7 Document Findings, Actions, Outcomes, and Lessons Learned
Step 5 in a structured network troubleshooting methodology is to Implement the Solution or Escalate as Necessary. Step 6 is to verify full system functionality and, if applicable, implement preventive measures. Here we discus Step 7, document findings, actions, outcomes, and lessons learned. More ...
How to Crimp an Ethernet RJ45 Connector
Whereas the different Ethernet cable categories carry different data rates, for example Cat3 data rate is 10 Mbps max, Cat 5 is 100 Mbps, Cat 6 is 1 Gbps, but they all use the same RJ45 connector. With a crimping tool you can easily crimp an RJ-45 to a cable. More ...
Questions to Ask Before Beginning Network Design
Before beginnig to design your network, you need to ask, and have answered, several key questions: Will you allow your PC(s) to access Internet services. Will you allow other users to access services that you provide from your private network. More ...
Network Cabling and Installation
Network cable in conjunction with the associated hardware (network switches, hubs, demarcation equipment) is responsible for computers being able to connect and transfer data across intranets (internal network) and the internet. More ...
Troubleshoot Network Connectivity With a Time Domain Reflectometer (TDR)
A time-domain reflectometer (TDR) is an instrument that can be used to locate faults in network cables. It can be used for routine maintenance or tracking down illegal taps. More ...
How to Set Up a Network Printer for a Home or Small Office
Adding a network printer to your home or small office can seem like a daunting task. In this article I cover the basics of installing a wired or wireless network printer on one, or multiple computers in three simple steps. More ...
Incredibly Bad Network Designs That Still Work
Despite some horrible network designs out there, their equipment continues to work, so well that the designer isn't aware of the abomination that is their network architecture. Here are four bad network designs. More ...
Network Address Translation (NAT) Protocol
NAT is a protocol that is used by a router to convert IP addresses on the internal private network to the it's own public IP address for the Internet. If NAT were not used each computer on the internal private network would be visible to the Internet. More ...
Network Design Process - Effective Network Planning and Design
The network planning and design methodology describes a process with nine specific steps and a sequence for those activities. It is an engineering life cycle that supports technical initiatives such as Windows migration, IP telephony and wireless design. The methodology begins with examining company business requirements. More ...
Five Open Source DevOps Tools
Quick and improved releases are the need of the hour in today's software development landscape. DevOps tools aid in simplifying this otherwise complex process. Here are some open source DevOps tools. More ...
Introduction to Designing an IPv6 Address Plan
When you apply for an IPv6 address range you will be assigned a range with a /48 prefix, 280 addresses. This is why it is worthwhile adopting an IPv6 address plan: a system in which you assign the IPv6 addresses to locations and/or use types. More ...
