ubuntu-18.04自动配置脚本

#!/bin/bash

currentTime=$(date +"%Y-%m-%d_%H:%M:%S")
##network_config
net_conf="/etc/netplan/50-cloud-init.yaml"
net_device_name="ens32"
host_name="vhost"
domain_name="local"
host_ip="192.168.127.22"
gateway="192.168.127.254"
dns1="114.114.114.114"
dns2="8.8.8.8"
netmask="24"

echo "blacklist i2c_piix4"  >> /etc/modprobe.d/blacklist.conf

ufw disable

service apparmor stop
update-rc.d -f apparmor remove
apt-get remove apparmor apparmor-utils

sed -i '/UseDNS yes/s/^/#/' /etc/ssh/sshd_config
sed -i '/#UseDNS yes/a UseDNS no' /etc/ssh/sshd_config

sed -i '/preserve_hostname: false/s/^/#/' /etc/cloud/cloud.cfg
sed -i '/#preserve_hostname: false/a preserve_hostname: yes' /etc/cloud/cloud.cfg

echo "$host_ip      $host_name      $host_name.$domain_name" >> /etc/hosts
hostnamectl set-hostname $host_name'.'$domain_name

mv $net_conf $net_conf'.bak@'$currentTime

cat > demo.yaml <<EOF
network: 
    ethernets: 
        $net_device_name:
            addresses: [$host_ip/$netmask] 
            gateway4: $gateway 
            nameservers: 
                addresses: [$dns1,$dns2]
                search: [] 
            optional: true 
            dhcp4: false
            dhcp6: false 

    version: 2

EOF

netplan apply


mv /etc/apt/sources.list /etc/apt/sources.list.bak@$currentTime

cat /etc/apt/sources.list <<EOF
deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
EOF

apt-get update
apt-get upgrade

apt-get install build-essential