IPV6 Point-to-point addressing
Over the years I have seen providers use a wide variety of subnets across a point-to-point link. Anything from a /64, to /122,124, and the 127
Whats new in CentOS8?
Cockpit web console is available by default in CentOS 8. Support for up to 4PB of physical memory. Nginx 1.14 is now available in the core repository. PHP version 7.2 is the default PHP version. Python 3.6 is the default Python version. Wayland is the default display server. nftables has replaced iptables to be the … Read more
Entry Level I.T.
The world of IT can be unforgiving, especially for those just starting out. The keys to finding and maintaining success are humility, patience and an open mind.
Antenna patterns and interference
This content is for Patreon subscribers of the j2 blog. Please consider becoming a Patreon subscriber for as little as $1 a month. This helps to provide higher quality content, more podcasts, and other goodies on this blog.To view this content, you must be a member of Justin’s Patreon Unlock with PatreonAlready a qualifying Patreon … Read more
Everything you wanted to know about NTP
Network Time Protocol (NTP) is a service that can be used to synchronize time on network connected devices. Before we dive into what NTP is, we need to understand why we need accurate time. The obvious thing is network devices need an accurate clock. Things like log files with the proper time stamp are important … Read more
Cambium PTP 550 Data Rates
Some info on the Cambium Networks PTP 550 Data Rates and how to read them and why you need to know them
Mikrotik mAP for the WISP installer
One of the problems installers run into on a few networks we manage is having the right tools to properly test a new install
How to install windows server 2019 on VMWare
How to install Windows Server 2019 from Microsoft on VMWare. https://www.sysnettechsolutions.com/en/server2019/install-windows-server-2019-vmware-workstation-14/
Large amount of Cat6 ready to install
Large amoutn of cat-6 going in a wiring project for a courthouse. Total re-wire job during a building upgrade.
From the archives – Evolution of a network guy part 4
In 2006 I was hired on part-time for Purdue University. My days would consist of mornings on Campus at Purdue doing I.T. support for the Agronomy Department and afternoons, evenings, and weekends doing support and build-outs for NDWave. We were in the mode of dumping everything back into the company to get to a solid … Read more
From the archives – Evolution of a network guy part 3
One night I am sitting in my office wondering what is next for MTIN and I get a call from Steve Narducci in Anderson, Indiana. Steve has this idea he wants to start an ISP. I call up one of my good friends Chris Orr. Chris and I had become good friends out of a … Read more
Some WISP CPE grounding
A discussion which comes up over and over in the WISP space is grounding and proper installation of customer CPE. The folks at perfect-10 (https://www.perfect-10.tv/) were a vendor at #WISPAPALOOZA2018. One of the best things I have seen them in a long time is the below photo they created. This is a great illustration of … Read more