+ linux; ^ network; ^ index

This commit is contained in:
rskntroot
2025-02-20 20:21:16 -07:00
parent 06a69bfa1f
commit 5fca1188b5
3 changed files with 134 additions and 19 deletions

View File

@@ -0,0 +1,104 @@
# Linux Setup
## Brief
some setup guides
- by `rskntroot` on `2025-02-20`
## Debian
### SSH
- see [K4YT3X's Hardened OpenSSH Server Configuration](https://github.com/k4yt3x/sshd_config)
``` bash
sudo -i
cd /etc/ssh/
mv sshd_config sshd_config.backup
curl https://raw.githubusercontent.com/k4yt3x/sshd_config/master/sshd_config -o ./sshd_config
sed -i 's/^#DebianB/DebianB/' sshd_config
chmod 644 /etc/ssh/sshd_config
systemctl restart ssh
exit
```
=== "New Key"
``` bash
ssh-keygen -t ecdsa
cat id_ecdsa.pub >> ~/.ssh/authorized_keys
```
=== "Existing Key"
``` bash
key="ecdsa-sha2-nistp256 ASASDASDFsomekey user@whatever"
```
``` bash
mkdir ~/.ssh && echo ${key} >> ~/.ssh/authorized_keys
```
``` bash
sudo -i
cat <<%% >> /etc/ssh/sshd_config
###RSKIO
PubkeyAuthentication yes
AuthorizedKeysFile .ssh/authorized_keys
%%
systemctl restart ssh
exit
```
### Docker
### Setup Docker
- see https://docs.docker.com/engine/install/ubuntu/
``` bash
curl -fsSL https://get.docker.com -o get-docker.sh
sudo sh ./get-docker.sh
sudo systemctl enable --now docker
rm -f ./get-docker.sh
sudo usermod -a -G docker $(whoami)
docker ps
```
- see https://docs.docker.com/config/completion/
``` bash
sudo apt install bash-completion -y
cat <<%% >> ~/.bashrc
if [ -f /etc/bash_completion ]; then
. /etc/bash_completion
fi
%%
mkdir -p ~/.local/share/bash-completion/completions
docker completion bash > ~/.local/share/bash-completion/completions/docker
source ~/.bashrc
```
### Tools
``` bash
sudo apt install -y \
curl \
htop \
iputils-ping \
jq \
tcpdump \
traceroute \
vim
```
### Shortcuts
``` bash
cat <<%% >> ~/.bashrc
# RSKIO
alias q="exit"
%%
source ~/.bashrc
```