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Network Troubleshooting and Support

Structured Network Troubleshooting Methodology Step 2 Establish a Theory of Probable Cause
Step 1 in a structured network troubleshooting methodology is to identify the problem. Here we discuss step 2, establish a theory of probable cause. 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 ...

DevOps - Development and Operations
Across all IT there is one problem that affects the smooth, running of a project and that is silos of activity. DevOps attempts to remove the silos and replace them with a collaborative and inclusive activity that is the Project. More ...

Network Cabling Design
With a small network of a few work stations that is not expected to grow, you might get away with just winging the cable installation, but the installation of a serious computer network needs a plan. without a plan your network will be prone to frequent failures and will be difficult to expand. More ...

Lean IT in Simple Terms
Lean is a method applied by Toyota to their manufacturing system in the 1990's. Lean IT is an extension of this method applied to the IT environment. It's difficult to lean what lean IT is because, in order to sell training seminars and certifications, any description or explanation of it is loaded with buzzwords and jargon. More ...

Rack Mount Enclosures and Server Racks
when shopping for rack mount cabinets you will see references to cabinets like 10u, 12u, 25u and so on. So what does all of this mean? All computer heights are measured in units called "U's". In the world of computers, when referring to the height of a computer, 1 "U" equals 1.75 inches. 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 ...

Fiber Optic Connectors - The Complete Guide
A fiber optic connector terminates the end of a fiber optic cable and is used when you need to connect and disconnect the fiber cable quickly. Fiber optic manufacturers have been on a mission to develop ae better fiber connector. There have been over 100 connectors developed over the years but only a few have stood the test of time. More ...

Troubleshoot Network With a Syslog Server
Most network devices, like switches and routers, are capable of generating a log of events, called a syslog. It can be difficult to sift through the volume of logged messages therefore several company's have created utilities called syslog servers to search, sort and group messages and provide other useful features. More ...

Structured Cabling - A Detailed Tutorial and Even More!
Structured Cabling System is a generic communication wiring scheme that is installed in buildings that is able to support all types of communication systems including: telephone systems, computer LANs, video systems, imaging systems and more. Structured cabling system is also called premises distribution system. More ...

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 ...

Local Network IP Addressing Strategies
Typically, a home or SME network would use one block of 256 addresses as a subnet. Most home networks use one block out of the 192.168.x.x private address space - frequently 192.168.0.0 or 192.168.1.0. More ...

Structured Network Troubleshooting Methodology Step 6 Verify Full System Functionality and, if Applicable, Implement Preventive Measures
Step 4 in a structured network troubleshooting methodology is to Establish a Plan of Action to Resolve the Problem and Identify Potential Effects. Step 5 is to Implement the Solution or Escalate as Necessary. Here we discus Step 6, Verify Full System Functionality and, if Applicable, Implement Preventive Measures. More ...

What is DevOps?
DevOps is short for Development and Operations. In the past the development, testing, deployment, and administrating of a network and network software was done by different specialists. A DevOps engineer has to know all of the above specialties along with business organization and management. More ...


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