Basic server setup on Ubuntu

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<br></br>ssh root@ip_address<br></br>passwd # changing initial password<br></br>adduser demo # adding 'demo' user<br></br>visudo<br></br>demo ALL=(ALL:ALL) ALL # find section called user privilege specification and add this<br></br>

Optional (changing ssh port for more security)

<br></br>nano /etc/ssh/sshd_config

Port 25000
Protocol 2
PermitRootLogin no

UseDNS no
AllowUsers demo

reload ssh