Fermi Paradox

Why have we not found smart life? (Fermi’s Paradox and the Great Filter)

With the Drake equation we can use this to calculate how many civilizations could exist in our Milky Way (and by extension, in the observable universe). But if there are other civilizations out there, why haven’t we seen a trace of them? As Enrico Fermi put it, the belief that there are numerous intelligent civilizations […]

Modem MACs and how ISPs view them

MAC address only exists in Ethernet networks or something that emulates it.Ethernet (Level 2) networks are connected with Level 3 devices called routers.MAC address is only visible inside of one Ethernet network, so anyone on the other side of the router doesn’t know your MAC address. Both DOCSIS (cable) modem and DSL modem can run […]

Fedora 34 Workstation Basic Configuration

After explaining in detail how to install Fedora 34 Workstation, we are going to finish the matter with the installation and configuration of the codecs for multimedia support, the usual compressors and some important but dispensable components depending on the case, such as Steam and the official driver of NVIDIA. Fedora is a fairly pure […]

OpenSSH 8.5 with UpdateHostKeys, fixes and more

After five months of development, the release of OpenSSH 8.5 is presented along with which the OpenSSH developers recalled the upcoming transfer to the category of obsolete algorithms that use SHA-1 hashes, due to the greater efficiency of collision attacks with a certain prefix (the cost of the collision selection is estimated at about 50 […]

The folly of the global war for vaccines

Health and the economy always go hand in hand. Diseases of all kinds generally attack the poorest and most vulnerable sectors of a society, precisely those who, due to their living conditions, are most exposed to being infected, while at the same time lacking the resources to access treatments and medicines. With the coronavirus pandemic, […]
Fernandez, president of Argentina.

The VIP vaccination scandal in Argentina

The vaccine scandal that has cost the Minister of Health, Ginés González García his job. As has been known, an undetermined number of politicians, more than 80 in a first approximation, relatives of politicians and people related to Peronism, were vaccinated outside of the general inoculation plan against COVID-19 thanks to an alleged parallel network […]
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