Vermont RFP for Broadband
The Department of Public Service of Vermont issued an RFP that will study the feasibility of the state’s electric companies providing broadband service
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Troubleshooting slow networks with WireShark
In this course, Troubleshooting Slow Networks with Wireshark, you will learn to capture and interpret network packet data to solve performance problems.
Raspberry 4 announced
https://www.neowin.net/news/raspberry-pi-4-announced-with-quad-core-cortex-a72-processor-and-up-to-4gb-ram-for-35 #packetsdownrange
Patch your Centos Machines now
Thanks to Jan Dennis Bungart for posting this on his Facebook page. Centos has a Kernel vulnerability which can be exploited to take the machine offline. To read the gory details: https://access.redhat.com/security/vulnerabilities/tcpsack CVE-2019-11477: SACK Panic (Linux >= 2.6.29) CVE-2019-11478: SACK Slowness (Linux < 4.15) or Excess Resource Usage (all Linux versions) CVE-2019-11479: Excess Resource Consumption ... Read more
Cambium goodness
New ePMP 3000 gear has arrived. Look for videos and blog posts up soon. #packetsdownrange
Unboxing Canada’s newest Supercomputer
27,000 Intel cores. 190 Terabytes of ram.
Arin IPV4 space reaches $22 an IP
Currently, a /24 is going for $5,632 on ipv4auctions.com. That is $22 an IP address.
Cambium Networks Files IPO
https://www.nasdaq.com/article/network-solutions-provider-cambium-networks-files-for-a-75-million-ipo-cm1156066 Cambium Networks, which provides cloud-based wireless broadband network infrastructure solutions, filed on Wednesday with the SEC to raise up to $75 million in an initial public offering. The Rolling Meadows, IL-based company was founded in 2011 and booked $251 million in sales for the 12 months ended March 31, 2019. It plans to list … Read more
Mikrotik LoRaWAN products
Taken directly from Mikrotik newsletter 89. https://download2.mikrotik.com/news/news_89.pdf R11e-LoRa8EU – a new LoRaWAN concentrator Gateway card in miniPCIe form factor based on Semtech SX1301 chipset. It enables LoRaWAN connectivity for any MikroTik product that has miniPCIe slot with connected USB lines. With the support of 8 different channels in 868EU band, Listen Before Talk (LBT) and … Read more
Common Linux commands graphic
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
