OpenPGP servers and attacks

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Great read on OpenPGP https://gist.github.com/rjhansen/67ab921ffb4084c865b3618d6955275f In the last week of June 2019 unknown actors deployed a certificate spamming attack against two high-profile contributors in the OpenPGP community (Robert J. Hansen and Daniel Kahn Gillmor, better known in the community as “rjh” and “dkg”). This attack exploited a defect in the OpenPGP protocol itself in order … Read more

Data Center raised flooring

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Looking to add some raised flooring to your data center? http://dcstands.com/ If you want to read about the great data center debate of raised vs slab flooring. https://switchon.eaton.com/plug/article/192/the-great-debate-raised-floor-vs-slab-data-ce https://blog.equinix.com/blog/2011/03/02/raised-floor-versus-slab-floor-the-debate-rages-on/ https://www.upsite.com/blog/slab-vs-raised-floor-3-things-consider/

Udemy for the I.T. Professional

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For those of you who are not familiar with Udemy.com, it is an online e-learning website.  what I like about is a couple of things. They have a mobile app that loads quite well.  If you are doing a certification course you can download and listen on the go.  Sure, the courses are video-enabled but … Read more

Udemy Course of the week

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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

Mikrotik RouterOS 6.43 and older notes

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For those of you running newer routerOS versions you should be aware of this. Downgrading to any version prior to v6.43 (v6.42.12 and older) will clear all user passwords and allow password-less authentication. Please secure your router after downgrading. I am not sure when this actually started as it shows up in the changelog of … Read more

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