Linux Server Administration

Table of Contents:

• Linux Server Administration
  • Table of Contents:
  • Introduction
  • Create-SSH-Keys
  • Login-with-Passwort
  • Deacitvate-Passwortlogin

Introduction

In this Section we learn to Configurate a V Server.

Create-SSH-Keys

1. Create SSH-Keys with Sandard ed22591 on your local maschine.

   ssh-keygen -t ed25519 -C "your-email@example.com"

Login-with-Passwort

2. Login to your VServer with your Username and passwort:

   ssh <username>@<ip-adress> 

Deacitvate-Passwortlogin

3. Use "type" on your local maschine to copy your generated public key on your VServer:

   type C:/Path/to/key| ssh username@ip-adress "cat >> /home/user/.ssh/authorized_keys"

4. Try to login to your VServer with your copied public key.

   ssh -i C:/Path1/to/key <usernema>@<ip-adress>

5. Deatkivate Password Login.

   1. Go to "etc/ssh/sshd.config" with Bash

   sudo nano /etc/ssh/sshd_config
   2. Serarch to "#PasswortAuthentication yes" and change it to "PasswortAuthentication no"
   3. Save the file and exit
   4. Restart the sshd service.

   sudo sysrtemctl restart ssh.service