Zenn
Open6

Arch Linux 秘伝のタレ

Arch Linux
RessRess

カーネルチューニング

https://gist.github.com/bouroo/bc52ad58a6e75d44e5235b229e9ca988

BBR(EN)

Load Module

modprobe tcp_bbr

or

/etc/modules-load.d/bbr.conf
tcp_bbr

Check Module Is Loaded

lsmod | grep bbr

Set Up sysctl Config File

/etc/sysctl.d/bbr.conf
net.core.default_qdisc = cake
net.ipv4.tcp_congestion_control = bbr

Load Config From File

sudo sysctl -p /etc/sysctl.d/bbr.conf

Check Running Config

sysctl net.ipv4.tcp_available_congestion_control
sysctl net.ipv4.tcp_congestion_control
RessRess

TinySSH

軽量SSHサーバー

前準備

早い話、公開鍵認証をやればおk

# macOS
ssh-keygen -t ed25519
cat ~/.ssh/id_ed25519.pub ~/.ssh/authorized_keys | pbcopy
# Arch Linux
mkdir ~/.ssh
:>~/.ssh/authorized_keys
chmod 700 ~/.ssh
chmod 600 ~/.ssh/authorized_keys
nvim ~/.ssh/authorized_keys

やり方

# Arch Linux
yay -S tinyssh
sudo systemctl start tinysshgenkeys.service
sudo systemctl enable tinyssh@22.socket
sudo systemctl disable sshd
sudo reboot
yay -Rsn openssh