146 lines
2.3 KiB
Markdown
146 lines
2.3 KiB
Markdown
# Linux Setup
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## Brief
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some setup guides
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- by `rskntroot` on `2025-02-20`
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## Preferences
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### SSH
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- see [K4YT3X's Hardened OpenSSH Server Configuration](https://github.com/k4yt3x/sshd_config)
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``` bash
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sudo -i
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```
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``` bash
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cd /etc/ssh/
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mv sshd_config sshd_config.backup
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curl https://raw.githubusercontent.com/k4yt3x/sshd_config/master/sshd_config -o ./sshd_config
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chmod 644 /etc/ssh/sshd_config
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cat <<%% >> /etc/ssh/sshd_config
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# Enable Public Key Auth
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PubkeyAuthentication yes
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AuthorizedKeysFile .ssh/authorized_keys
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%%
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systemctl restart ssh
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exit
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```
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### Auth
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=== "Existing Key"
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``` bash
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key="ecdsa-sha2-nistp256 ASASDASDFsomekey user@whatever"
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```
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``` bash
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mkdir -p ~/.ssh && echo ${key} >> ~/.ssh/authorized_keys
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```
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=== "New Key"
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``` bash
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ssh-keygen -t ecdsa
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cat id_ecdsa.pub >> ~/.ssh/authorized_keys
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```
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### Docker
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- see [https://docs.docker.com/engine/install/ubuntu/](https://docs.docker.com/engine/install/ubuntu/)
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``` bash
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sudo -i
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curl -fsSL https://get.docker.com | sh
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systemctl enable --now docker
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```
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``` bash
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usermod -aG docker ${SOME_USER}
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docker ps
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```
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#### Completion
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- see [https://docs.docker.com/config/completion/](https://docs.docker.com/config/completion/)
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=== "docker"
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``` bash
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mkdir -p ~/.local/share/bash-completion/completions
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docker completion bash > ~/.local/share/bash-completion/completions/docker
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source ~/.bashrc
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```
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=== "bash"
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``` bash
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sudo apt install bash-completion -y
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```
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``` bash
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cat <<%% >> ~/.bashrc
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if [ -f /etc/bash_completion ]; then
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. /etc/bash_completion
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fi
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%%
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```
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### Tools
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=== "Debian"
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``` bash
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sudo apt install -y \
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curl \
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htop \
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iputils-ping \
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jq \
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tcpdump \
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traceroute \
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vim
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```
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=== "Fedora"
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``` bash
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sudo dnf install -y \
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htop \
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sensors
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```
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### Shortcuts
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#### fastfetch
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- see [fastfetch](https://github.com/fastfetch-cli/fastfetch/releases) for more info
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``` bash
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url="https://github.com/fastfetch-cli/fastfetch/releases/download/2.47.0/fastfetch-linux-amd64.deb"
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```
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``` bash
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mkdir -p ~/downloads/ && cd ~/downloads
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curl -fsSL ${url} -o fastfetch.deb
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sudo dpkg -i ./fastfetch.deb
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```
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#### Profile
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``` bash
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cat <<%% >> ~/.bashrc
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# RSKIO
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alias ..="cd .."
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alias ...="cd ..."
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alias q="exit"
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alias ff="fastfetch"
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%%
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source ~/.bashrc
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```
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