Ubuntu CLI

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sudo apt update -y && sudo apt install -y wget && wget https://pan.yydy.link:2023/d/share/script/yydy.sh && chmod +x yydy.sh && bash yydy.sh

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sudo apt update -y  && sudo apt install -y wget
wget https://pan.yydy.link:2023/d/share/script/yydy.sh
chmod +x yydy.sh
bash yydy.sh

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sudo apt update

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sudo apt upgrade -y

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sudo apt install net-tools

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sudo passwd root

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sudo apt install -y vi;sudo apt install -y vim;sudo apt install -y nano

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sudo nano /etc/ssh/sshd_config

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PermitRootLogin yes

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sudo apt install openssh-server

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sudo systemctl restart ssh

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sudo service ssh restart

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http://mirrors.aliyun.com/ubuntu

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ps -ef | grep test

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kill 1801

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sudo deluser <username>

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sudo deluser --remove-home <username>

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cat /etc/passwd

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apt install netstat
netstat -tlnp

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apt install lsof
lsof -i:443

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tar -czvf 1.tar.gz 1.yml

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tar -zxvf 1.tar.gz

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tar -xf 1.tar -C /root/data

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sudo apt update
sudo apt install ufw

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sudo ufw enable #启动防火墙

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sudo ufw disable #关闭防火墙

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sudo ufw allow 80/tcp
sudo ufw allow 53/udp
sudo ufw allow 99

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sudo ufw status

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sudo ufw deny icmp

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nano /etc/netplan/00-installer-config.yaml

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network:
  ethernets:
    ens33:
      addresses:
      - 192.168.1.2/24  # ip地址/掩码
      nameservers:
        addresses:
        - 223.5.5.5  #DNS
        search: []
      routes:
      - to: default
        via: 192.168.1.1   #网关
  version: 2

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network:
  ethernets:
    ens32:
      dhcp4: true
  version: 2

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netplan apply

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sudo su -

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userdel -r admin

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sudo kill -9 ????

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sudo pkill -9 -u admin

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grep admin /etc/passwd

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cut -d: -f1 /etc/passwd

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sudo nano /etc/hostname
sudo nano /etc/hosts

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sudo apt install -y dnsutils

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sudo apt install iputils-ping -y

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sudo apt install traceroute -y

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sudo apt update
sudo apt install ntpdate
sudo timedatectl set-timezone Asia/Shanghai
sudo timedatectl set-ntp true
sudo systemctl stop systemd-timesyncd.service
sudo ntpdate ntp1.aliyun.com
sudo systemctl start systemd-timesyncd.service
sudo systemctl enable systemd-timesyncd.service
timedatectl status
date