View source for Setting up linux server for ionos

[[Category:Linux]]
[[Category:ubuntu]]
[[Category:ionos]]
[[Category:nginx]]
[[Category:ssh]]

== Creating a new user ==
Go to terminal/command prompt/powershell and connect to server with the given ip and root user / password by entering this 
 ssh root@1.2.3.4 
it will ask you some questions and your password. Say yes and enter your password provided by ionos and after logging in enter this command to add a new user 
 sudo adduser <newuser>
=== Giving sudo priviliges ===
Adding the New User to the Sudo Group
 groups <newuser>
 sudo usermod -aG sudo <newuser>
Or run visudo 
 sudo visudo
and add this under root
 root    ALL=(ALL:ALL) ALL
 <newuser> ALL=(ALL:ALL) ALL
=== Testing Connection ===
 ssh <newuser>@1.2.3.4 
you should be in the server after entering the password.

enter exit to quit ssh 
 exit
== Setting SSH ==
* Go to terminal/command prompt/powershell 
* Create ssl keys if you haven't done already 

Mac / Linux :
  ssh-keygen -t rsa
do not enter passphrase. Leave it blank it creates the key pairs under your user in .ssh folder
 id_rsa
 id_rsa.pub

=== Copy local key to remote ===
 ssh-copy-id user@ip_address
if .ssh folder has not enough rights 
 chmod -R go= -/.ssh

=== Some special files in .ssh folder ===
==== config ====
it's a kind of alias file for the servers 
<pre>
  Host MyServer
    HostName 1.2.3.4
    User myuser

  Host UbuntuServer
    HostName 192.168.1.203
    User ali
</pre>

after defining this you can use ssh like 
 ssh MyServer

==== known_hosts ====
Remote pub keys to make handshake smooth without passwords
<pre>
192.168.1.203 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFFUPP/Dpo44K3v+tQiIi9+4KezGSA8VPaI8gPBBQUsQ
80.165.196.189 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBpKbDBqwWuS1HAN+DnnTDrHWaHQXbPdna/pfvRRbRew
</pre>