Ubuntu20.04初始化脚本

Ubuntu20.04初始化脚本

sudo apt-get update

sudo apt-get install -y vim zsh git


#安装install_zsh脚本 自行百度 zsh的安装方式
#chsh -s /bin/zsh

# sed -i 's/robbyrussell/ys/g'  ~/.zshrc
# source ~/.zshrc
echo "set paste">~/.vimrc
source ~/.vimrc

# SSH超时时间
echo "export TMOUT=600" >> /etc/profile
# 禁止定时任务向发送邮件
sed -i 's/^MAILTO=root/MAILTO=""/' /etc/crontab

echo "
* soft nproc 655350
* hard nproc 655350
* soft nofile 655350
* hard nofile 655350
" >> /etc/security/limits.conf

touch /etc/sysctl.conf
echo "
vm.overcommit_memory=1
net.ipv4.tcp_max_syn_backlog=65536
net.core.somaxconn=32768
fs.file-max=200000
vm.swappiness = 0
net.ipv4.neigh.default.gc_stale_time=120
net.ipv4.conf.all.rp_filter=0
net.ipv4.conf.default.rp_filter=0
net.ipv4.conf.default.arp_announce = 2
net.ipv4.conf.all.arp_announce=2
net.ipv4.tcp_max_tw_buckets = 5000
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_synack_retries = 2
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1
net.ipv4.conf.lo.arp_announce=2
kernel.sysrq = 1
net.ipv4.ip_forward=1
" >> /etc/sysctl.conf 
sysctl -p

hostnamectl set-hostname  自定义主机名

sudo apt-get install -y gcc tcl lrzsz wget telnet  openssh-server sysstat build-essential nfs-common
sudo apt-get install -y htop   make autoconf net-tools

#安装docker
sudo apt install -y apt-transport-https ca-certificates curl gnupg-agent software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"


sudo apt update
sudo apt -y install docker-ce docker-ce-cli containerd.io

mkdir -p /etc/docker /mnt/docker_data
echo '{
    "registry-mirrors": ["http://hub-mirror.c.163.com"],
    "data-root": "/mnt/docker_data",
    "bip": "177.128.10.1/16",
    "log-driver": "json-file",
    "iptables":false,
    "log-opts": {
      "max-size": "50m",
      "max-file": "5"
  } 
}' > /etc/docker/daemon.json

service docker restart 

sudo ufw enable

# 允许 宿主机网段和docker网段访问
ufw allow from 172.16.0.0/16  
ufw allow from 177.128.0.0/16

#修改 /etc/ssh/sshd_config ssh端口为4678
vim /etc/ssh/sshd_config
service sshd restart 
ufw allow 4678



##安装NGINX
cd /etc/apt
cp sources.list sources.list.bak


# 文件末尾添加以下两行并保存
echo "deb http://nginx.org/packages/mainline/ubuntu/ focal nginx">>/etc/apt/sources.list
echo "deb-src http://nginx.org/packages/mainline/ubuntu/ focal nginx">>/etc/apt/sources.list

通过  lsb_release -c 查询系统代号

#导入NGinx公钥
sudo wget http://nginx.org/keys/nginx_signing.key
sudo apt-key add nginx_signing.key

#安装最新的Nginx
sudo apt-get update
sudo apt-get install -y nginx

#安装Jdk8
sudo apt-get install -y openjdk-8-jdk


#安装mysql5.6客户端
sudo apt-get install -y software-properties-common
sudo add-apt-repository 'deb http://archive.ubuntu.com/ubuntu trusty universe'
sudo apt install -y mysql-client-5.6



# rc-local服务启动
touch /etc/rc.local
echo '#! /bin/bash' >/etc/rc.local
chmod 755 /etc/rc.local
echo "
[Install]
WantedBy=multi-user.target
">>/lib/systemd/system/rc-local.service
systemctl daemon-reload
systemctl restart rc-local.service
systemctl enable rc-local.service