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#!/usr/bin/env bash | |
apt update | |
# nfs for longhorn | |
apt-get install nfs-common open-iscsi -y | |
# bbr | |
echo "net.core.default_qdisc=fq" >> /etc/sysctl.conf | |
echo "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.conf | |
# optimize network | |
sysctl -p | |
sed -i '/fs.file-max/d' /etc/sysctl.conf | |
sed -i '/fs.inotify.max_user_instances/d' /etc/sysctl.conf | |
sed -i '/net.ipv4.tcp_syncookies/d' /etc/sysctl.conf | |
sed -i '/net.ipv4.tcp_fin_timeout/d' /etc/sysctl.conf | |
sed -i '/net.ipv4.tcp_tw_reuse/d' /etc/sysctl.conf | |
sed -i '/net.ipv4.tcp_max_syn_backlog/d' /etc/sysctl.conf | |
sed -i '/net.ipv4.ip_local_port_range/d' /etc/sysctl.conf | |
sed -i '/net.ipv4.tcp_max_tw_buckets/d' /etc/sysctl.conf | |
sed -i '/net.ipv4.route.gc_timeout/d' /etc/sysctl.conf | |
sed -i '/net.ipv4.tcp_synack_retries/d' /etc/sysctl.conf | |
sed -i '/net.ipv4.tcp_syn_retries/d' /etc/sysctl.conf | |
sed -i '/net.core.somaxconn/d' /etc/sysctl.conf | |
sed -i '/net.core.netdev_max_backlog/d' /etc/sysctl.conf | |
sed -i '/net.ipv4.tcp_timestamps/d' /etc/sysctl.conf | |
sed -i '/net.ipv4.tcp_max_orphans/d' /etc/sysctl.conf | |
sed -i '/net.ipv4.ip_forward/d' /etc/sysctl.conf | |
echo "fs.file-max = 1000000 | |
fs.inotify.max_user_instances = 8192 | |
net.ipv4.tcp_syncookies = 1 | |
net.ipv4.tcp_fin_timeout = 30 | |
net.ipv4.tcp_tw_reuse = 1 | |
net.ipv4.ip_local_port_range = 1024 65000 | |
net.ipv4.tcp_max_syn_backlog = 16384 | |
net.ipv4.tcp_max_tw_buckets = 6000 | |
net.ipv4.route.gc_timeout = 100 | |
net.ipv4.tcp_syn_retries = 1 | |
net.ipv4.tcp_synack_retries = 1 | |
net.core.somaxconn = 32768 | |
net.core.netdev_max_backlog = 32768 | |
net.ipv4.tcp_timestamps = 0 | |
net.ipv4.tcp_max_orphans = 32768 | |
# forward ipv4 | |
net.ipv4.ip_forward = 1">>/etc/sysctl.conf | |
sysctl -p | |
echo "* soft nofile 1000000 | |
* hard nofile 1000000">/etc/security/limits.conf | |
echo "ulimit -SHn 1000000">>/etc/profile | |
# Download k9s | |
wget https://github.com/derailed/k9s/releases/download/v0.25.18/k9s_Linux_x86_64.tar.gz | |
tar xvf k9s_Linux_x86_64.tar.gz | |
chmod a+x k9s | |
mv k9s /bin/ | |
# Install autok3s | |
curl -sS https://rancher-mirror.rancher.cn/autok3s/install.sh | sh |
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