The North American Network Operators’ Group (NANOG) is an organization of network operators. It servers as a way for network operators from North America and beyond to communicate with one another. For over 20 years NANOG has been providing a platform for network engineers to communicate with one another, learn from one another and organize…
A domain name (sometimes called URL) is a human readable alias for an IP address. An example of a domain name is adminhacks.com. A active domain name will point to an IP address, which looks something like 10.132.21.4. A set of numbers is a lot harder for humans to remember than a domain name. Imagine…
Syntax: default-router [ip-address] Usage: The default-router command is used to configure a default router for a Cisco router. The default router is the router that the router will use to forward packets that are not destined for any of the directly connected networks. Effect: The default-router command adds the specified IP address to the routing…
What is a VPS? A Virtual Private Server (VPS) can be thought of as a virtual computer. How a VPS works is that a single powerful computer server is divided up into multiple smaller less power virtual servers. Each virtual server is private, meaning that generally users cannot reach across one VPS and use the…
Something a system administrator or IT tech ends up doing often is updating or installing an operating system or booting from a live CD. This can lead to stacks of different operating system CDs and DVDs laying around. An iodd hard-disk enclosure is a secure and easier way to deal with the need for multiple…
Singapore is a wealthy, stable, reliable country. When looking for a VPS provider you want them to be stable and reliable. You need the location of your VPS to have a well maintained power grid, well connected Internet connections, and strong laws so that the VPS provider does not scam you. All of this can…
A good network testing tool will save you time and headaches. If you are a network engineer, a field engineer, a colocation engineer or have any other role that requires frequent network cable testing, then the Fluke LinkSprinter may be of interest to you. The LinkSprinter is a pocket-sized networking tool brought to you by Fluke Networks….
The difference between a good colocation center and a bad colocation center can be the difference between safe and stable Information Technology (IT) infrastructure and Information disaster. A bad IT experience can destroy a company’s earnings. Imagine losing all of a company’s customer information. Choosing a reliable colocation provider is a key step to good…
Command: show processes cpu Usage: The ‘show processes cpu’ command is used to display information about the CPU utilization of various processes running on a Cisco device. Function: The ‘show processes cpu’ command provides detailed information about the CPU usage of various system, user, and kernel processes. It displays the percentage of CPU time each…
Large information technology (IT) companies such as Google, Amazon or Microsoft have their own data centers. Mid sized and smaller companies however may not be able to afford or may not need a whole data center for their infrastructure. For these companies colocation is a better option. Colocation is basically a shared data center. Multiple…