move to project lifecycle structure
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infrastructure/graduated/fedora/README.md
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infrastructure/graduated/fedora/README.md
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# Fedora Server
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- [Fedora Server](#fedora-server)
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- [Installation](#installation)
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- [Setup SSH](#setup-ssh)
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- [Fail2Ban](#fail2ban)
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- [Automatic Updates](#automatic-updates)
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- [Disable Swap](#disable-swap)
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- [Extras](#extras)
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<https://docs.fedoraproject.org/en-US/fedora-server/installation/postinstallation-tasks/#_manage_system_updates>
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Note these instructions differentiate between an `operator` and a `server`. The operator can be
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any machine that configure the server. A pipeline, laptop, dedicated server, etc. are all options.
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The server can be its own operator, though that's not recommended since servers should be ephemeral
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and the operator will store information about each server.
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## Installation
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1. Make sure to use `custom` disk partitioner and select `btrfs`.
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2. Create an administrator. We'll give ssh root access later, but this gives you a cockpit user.
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3. Ensure IPV6 connection is set to "eui64".
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4. Set hostname
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## Setup SSH
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On the operator:
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```bash
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export SSH_HOST=kube
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ssh-keygen -t rsa -b 4096 -C ducoterra@"$SSH_HOST".reeselink.com -f ~/.ssh/id_"$SSH_HOST"_rsa
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# Note: If you get "too many authentication failures" it's likely because you have too many private
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# keys in your ~/.ssh directory. Use `-o PubkeyAuthentication` to fix it.
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ssh-copy-id -o PubkeyAuthentication=no -i ~/.ssh/id_"$SSH_HOST"_rsa.pub ducoterra@"$SSH_HOST".reeselink.com
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cat <<EOF >> ~/.ssh/config
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Host $SSH_HOST
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Hostname "$SSH_HOST".reeselink.com
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User root
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ProxyCommand none
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ForwardAgent no
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ForwardX11 no
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Port 22
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KeepAlive yes
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IdentityFile ~/.ssh/id_"$SSH_HOST"_rsa
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EOF
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```
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On the server:
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```bash
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# Copy authorized_keys to root
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sudo cp ~/.ssh/authorized_keys /root/.ssh/authorized_keys
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# Change your password
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passwd
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sudo su -
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echo "PasswordAuthentication no" > /etc/ssh/sshd_config.d/01-prohibit-password.conf
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echo '%wheel ALL=(ALL) NOPASSWD: ALL' > /etc/sudoers.d/01-nopasswd-wheel
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```
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On the operator:
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```bash
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# Test if you can SSH with a password
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ssh -o PubkeyAuthentication=no ducoterra@"$SSH_HOST".reeselink.com
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# Test that you can log into the server with ssh config
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ssh $SSH_HOST
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```
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## Fail2Ban
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On the server:
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```bash
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dnf install -y fail2ban
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# Setup initial rules
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cat <<EOF > /etc/fail2ban/jail.local
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# Jail configuration additions for local installation
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# Adjust the default configuration's default values
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[DEFAULT]
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# Optional enter an trusted IP never to ban
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ignoreip = 2600:1700:1e6c:a81f::0/64
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bantime = 6600
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backend = auto
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# The main configuration file defines all services but
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# deactivates them by default. We have to activate those neeeded
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[sshd]
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enabled = true
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EOF
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systemctl enable fail2ban --now
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tail -f /var/log/fail2ban.log
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```
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## Automatic Updates
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On the server:
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```bash
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dnf install dnf-automatic -y
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systemctl enable --now dnf-automatic-install.timer
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```
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## Disable Swap
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```bash
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swapoff -a
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zramctl --reset /dev/zram0
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dnf -y remove zram-generator-defaults
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```
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## Extras
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On the server:
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```bash
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# Set vim as the default editor
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dnf install -y vim-default-editor --allowerasing
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# Install glances for system monitoring
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dnf install -y glances
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# Install zsh with autocomplete and suggestions
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dnf install -y zsh zsh-autosuggestions zsh-syntax-highlighting
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cat <<EOF > ~/.zshrc
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# Basic settings
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autoload bashcompinit && bashcompinit
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autoload -U compinit; compinit
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zstyle ':completion:*' menu select
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# Prompt settings
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autoload -Uz promptinit
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promptinit
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prompt redhat
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PROMPT_EOL_MARK=
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# Syntax Highlighting
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source /usr/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
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source /usr/share/zsh-autosuggestions/zsh-autosuggestions.zsh
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### Custom Commands and Aliases ###
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EOF
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chsh -s $(which zsh) && chsh -s $(which zsh) ducoterra
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```
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