Ubuntu 20.04 Fine tune: verschil tussen versies

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https://www.digitalocean.com/community/tutorials/initial-server-setup-with-ubuntu-20-04
'''Importeer SSH Sleutels'''
'''Importeer SSH Sleutels'''


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[[Categorie:Ubuntu]]
[[Categorie:Ubuntu]]
[[Categorie:ToDo]]
[[Categorie:Ubuntu 20.04]]
[[Categorie:Ubuntu 20.04]]

Versie van 1 jul 2021 12:49

https://www.digitalocean.com/community/tutorials/initial-server-setup-with-ubuntu-20-04



Importeer SSH Sleutels

mkdir ~/.ssh
touch ~/.ssh/authorized_keys
chmod 700 ~/.ssh
chmod 600 ~/.ssh/authorized_keys
echo 'ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACAQDqOq7WMtPomV0qavAriuZzptMYrsTe4Dd19EfJkMqtZ7dEPVeeNqCA5Ytk892Gg7iKAVZWBrqIJmrJBPaf20mIA7A61SIEf4URaq9BbVDHQiFLewbSDLiZ3b/CfRWKCBXWwVC+wMtVEGzh8nbqJWY05BLfya2B+bPIV30TcTf6vKVhiKRLad/TEPJQml355dqFw1r1sPD/1TzgcGE8Unz8wVm7AiK+VmHNKOueSNMGOmDuOJwJqn6PdEtr+QtrjlG0Uw5RXqWc6R4YrhCXweR+XL2jKHT61ymc69luwxfn5n3He8b/k6ZIP3d1NySobHJQ5fVYVh3EIRbRwnpZXf5YeJrFvRgiWCze99tKAc7NUU9N3Pcmpk7vs2nRutZzkd2ku5EZli1bp7g1PFu2gBH1VmYtRuU0Xh3mjSiav4qtje8i70IW2qRl8Bnpa+4DsL/IV7dppgI8kYBLQcoO2hw3wo1S4zr3IyWsbhb5BmirpzKwk5tri4XlMqYHtoj4kr/uSXPIUYTQ0OYtqQrZoWVCq6tiTq4HHECGoaowTOGCz2LgBAq3S7gp274yq/2TRZ4NKXrgS/ORwpVQkfXACEQbTrCFdFNR0hrQlHM/By8zI/keC2M0jIxHlMH4gFkP2tuGk/VRVlluQEyRG6dW6+lSWAGDlHkTB1eETrWi9JYGdw== RonaldvanHeugten.nl Public SSH Key' >> ~/.ssh/authorized_keys

Extra beveiliging

#sudo sed -i /etc/ssh/sshd_config -r -e 's/^PermitRootLogin.*/PermitRootLogin no/g'
sudo sed -i /etc/ssh/sshd_config -r -e 's/^ChallengeResponseAuthentication.*/ChallengeResponseAuthentication no/g'
sudo sed -i /etc/ssh/sshd_config -r -e 's/^PasswordAuthentication.*/PasswordAuthentication no/g'
sudo sed -i /etc/ssh/sshd_config -r -e 's/^UsePAM.*/UsePAM no/g'
sudo sed -i /etc/ssh/sshd_config -r -e 's/^MaxAuthTries.*/MaxAuthTries 6/g'
sudo systemctl reload sshd

Update Ubuntu

Ubuntu Updaten

Install packages

Aliassen instellen

echo 'alias vi="nano"' >> ~/.bashrc
echo 'alias ll="ls -ls"' >> ~/.bashrc
echo 'export PS1="\[\033[38;5;11m\]\u\[$(tput sgr0)\]\[\033[38;5;15m\]@\h\[$(tput sgr0)\]\[\033[38;5;6m\][\w]:\[$(tput sgr0)\]\[\033[38;5;15m\] \[$(tput sgr0)\]"' >> ~/.bashrc