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Monero mining estimation

The global electricity consumption of Monero since the hard fork in April in 2018 is very close to the prediction despite the tendencies were quite different during the fourth season. More interesting, the mining activity keeps rising during the first two months in 2019, almost reaching the peek value in 2018. Details: https://bitinfocharts.com/comparison/monero-hashrate.html https://www.sciencedirect.com/science/article/pii/S0360544218322503


Install SSL certificate

I wanted to install Let’s Encrypt ssl certificate on my Centos 7 Aliyun server. After encountering so many errors, using the method on Centos 6, I finally installed it. wget https://dl.eff.org/certbot-auto chmod a+x ./certbot-auto ./certbot-auto Then, set up auto-renew. sudo vi /usr/lib/systemd/system/certbot.service [Unit] Description=Lets Encrypt renewal [Service] Type=oneshot ExecStart=/usr/bin/certbot renew –quiet –agree-tos sudo vi /usr/lib/systemd/system/certbot.timer • Read More »