切换源
sudo cp /etc/apt/sources.list /etc/apt/sources.list_bak
sudo sed -i "s@http://.*archive.ubuntu.com@http://repo.huaweicloud.com@g" /etc/apt/sources.list
sudo sed -i "s@http://.*security.ubuntu.com@http://repo.huaweicloud.com@g" /etc/apt/sources.list
磁盘扩容
sudo lvextend -l +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv
sudo resize2fs /dev/mapper/ubuntu--vg-ubuntu--lv
软件
sudo apt install vim tree nload wget curl ntp net-tools sysstat psmisc unzip unrar -y
sudo apt install openjdk-8-jdk maven git -y
时区
sudo timedatectl set-timezone Asia/Shanghai
vbox共享文件夹
sudo usermod -a -G vboxsf CURRENT_USER
然后重启
固定IP
新建netplan
sudo vim /etc/netplan/10-ip-init.yaml
内容如下：
network:
ethernets:
eth0:
dhcp4: no
addresses: [192.168.0.100/24]
gateway4: 192.168.0.1
nameservers:
addresses: [114.114.114.114,8.8.8.8]
version: 2
执行变更
sudo netplan apply
docker
sudo apt install docker.io -y
防火墙
sudo apt install ufw -y
sudo ufw allow 22/tcp
sudo ufw delete allow 80/tcp
sudo ufw enable
sudo ufw verbose
sudo ufw status
允许root远程登陆
sudo vim /etc/ssh/sshd_config
将PermitRootLogin项改为 yes
修改root密码：sudo passwd
重启sshd服务
sudo service sshd restart
