Reading Time-approximately: 3 minutesHyper-V and KVM are common hypervisor options. Before you commit to one, evaluate which OS type, available features and memory requirements work for your infrastructure. By Brien Posey Microsoft’s Hyper-V and Linux’s KVM are capable, enterprise-class hypervisors that can host VMs and scale to the largest of workloads. These options are both type 1 hypervisors, but there are some significant
Reading Time-approximately: 3 minutesMany organizations use legacy VPNs to secure their networks, especially in the work-from-home era. Expert Pranav Kumar explains why zero-trust models are a safer option. By Pranav Kumar Companies have been using VPNs for over two decades. The tool allows employees, contractors and other parties to access an organization’s internal data, assets and applications. Unfortunately, VPNs are ill equipped to
Reading Time-approximately: 4 minutesSSH is essential, but default installations can be costly. Auditing and key management are among critical SSH best practices to employ at any organization. By Michael Cobb The vast majority of network administrators would not be able to do their jobs without SSH. Period. The protocol has replaced insecure mechanisms, such as Telnet and FTP, to become the de facto
Reading Time-approximately: 3 minutesWith an expanding company perimeter, it’s time to implement these endpoint security best practices, from asset discovery to device profiling. By Ashwin Krishnan The enterprise definition of endpoint has dramatically shifted over the years. Endpoints traditionally referred to desktop computers and laptops, which could be secured with antivirus software and firewalls. Today, the term covers a wide array of devices used for
Reading Time-approximately: 3 minutesHCI is a costly investment that can streamline networking, compute and management in your data center. Consider affordable alternatives to expensive HCI before adoption. By Brian Kirsch VMware vSAN enables organizations to set up an HCI-like environment in their data centers. Proper budgeting to set up a vSAN hyper-converged infrastructure environment includes balancing hardware cost against longevity and considering DIY
Reading Time-approximately: 5 minutesLearn how to configure VMware Workstation virtual networks, including connecting guest virtual machines to the Internet, use the Virtual Network Editor and more. By David Davis VMware Workstation offers many possibilities for how to connect to the internet in VMware and configure virtual networking — you can bridge VMs to the Internet, connect VMs to the Internet via NAT, create
Reading Time-approximately: 2 minutesRapid cloud adoption during the pandemic has increased the attack surface and heightened the risk of misconfiguring services, leaving organisations more vulnerable to cyber attacks. By Sebastian Klovig Skelton Every organisation deploying Amazon Web Services (AWS) has experienced at least one security incident in its public cloud environment over the past year, with businesses’ rapid move to the cloud making
Reading Time-approximately: 3 minutesIT teams are dealing with the challenge of reconnecting devices to office networks as employees return to work. Here’s how your organization can overcome that challenge. By Jonathan Meyers Many organizations and employees are returning to the office after nearly 18 months of remote work. Restructuring daily routines and reconvening with colleagues are exciting elements of the return-to-work era. However,
Reading Time-approximately: 3 minutesAll networks may be different, but companies have similar goals when they look to upgrade their network infrastructures. Assessing current designs is just the first step. By Andrew Froehlich Not surprisingly, the term infrastructure modernization means different things to different people. After all, no two enterprise network infrastructures are designed and built with the same business goals in mind. However, newly architected
Reading Time-approximately: 3 minutesCRC-4 (Cyclic Redundancy Check 4) is a form of cyclic redundancy checking — a method of checking for errors in transmitted data — that is used on E1 trunk lines. By Rahul Awati Through multiplication and division processes, the CRC-4 bits sent in each SMF are compared to each other. If they match, the frame is considered error-free. Bit 1 is used for the
What is COVID-19?
On 31 December 2019, the World Health Organization (WHO) reported a cluster of pneumonia cases in Wuhan City, China. ‘Severe Acute Respiratory Syndrome Coronavirus 2’ (SARS-CoV-2) was confirmed as the causative agent of what we now know as ‘Coronavirus Disease 2019’ (COVID-19). Since then, the virus has spread to more than 100 countries, including South Africa.
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