Ubuntu Server einrichten

Von | März 31, 2024
0 Kommentare

User anlegen und sudo-Gruppe hinzufügen 

adduser CoolerUser
usermod -aG sudo CoolerUser

apt update && apt dist-upgrade -y

SSH Key mit PuttyGen erstellen

Quelle: laub-home.de

Enable SSH root login

Quelle: linuxconfig.org

nano /etc/ssh/sshd_config

FROM:
#PermitRootLogin prohibit-password
TO:
PermitRootLogin yes

sed -i 's/#PermitRootLogin prohibit-password/PermitRootLogin yes/' /etc/ssh/sshd_config

systemctl restart ssh

How to Set Up SSH Keys on Ubuntu

Quelle: digitalocean.com

Quelle: stackexchange.com

mkdir -p ~/.ssh
scp authorized_keys login-id@ubuntu-Host-Ip:~/.ssh
echo public_key_string >> ~/.ssh/authorized_keys
chmod 700 ~/.ssh
chmod 600 ~/.ssh/authorized_keys

How To Disable Root Login

Quelle: digitalocean.com

sudo nano /etc/ssh/sshd_config
PermitRootLogin yes -> PermitRootLogin no
sudo systemctl restart sshd