Check if linux is physical or virtual


with dmesg
dmesg | grep 'Hypervisor detected'

with dmidecode
dmidecode -s system-manufacturer

with lshw
lshw -class system
-
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Add nginx repository Ubuntu

 Add nginx repository Ubuntu # 1. Download the NGINX signing key curl https://nginx.org/keys/nginx_signing.key | gpg --dearmor | sudo tee /u...

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