Linux 运维中常用的一键安装的命令

1.一键安装Apache服务器（自动化安装并启动Apache服务）

#!/bin/bash 
sudo apt-get update 
sudo apt-get install -y apache2 
sudo systemctl start apache2 
sudo systemctl enable apache2 
echo "Apache服务器已安装并启动"

2.一键安装MySQL数据库（自动化安装MySQL数据库，并提示进行安全配置）

#!/bin/bash 
sudo apt-get update 
sudo apt-get install -y mysql-server 
sudo mysql_secure_installation 
sudo systemctl start mysql 
sudo systemctl enable mysql 
echo "mysql数据库已安装并启动"

3 .一键备份MySQL数据库(备份指定的mysql数据库到指定目录)

#!/bin/bash 
USER="your mysql user" 
PASSWORD="your mysql password" 
DB_NAME="your database name" 
BACKUP_DIR="/Path/to/backup" 
DATE=$(date +"%Y-%m-%d") mysqldump -u $USER -p$PASSWORD $DB_NAME > $BACKUP_DIR/$DB_NAME-$DATE.sql 
echo "数据库已备份到$BACKUP_DIR"

4.一键安装Nginx(自动化安装并启动Nginx服务)

#!/bin/bash 
sudo apt-get update 
sudo apt-get install -y nginx 
sudo systemctl start nginx 
sudo systemctl enable nginx 
echo "Nginx服务器已安装并启动"

5.一键配置防火墙（配置防火墙以允许Nginx和SSH服务）

#!/bin/bash 
sudo ufw allow 'Nginx Full' 
sudo ufw allow 'OpenSSH' 
sudo ufw enable 
sudo ufw status echo "防火墙以配置并启动"

6.一键更新系统（更新系统软件包，并重启系统以以应用更改）

#!/bin/bash 
sudo apt-get update 
sudo apt-get upgrade -y 
sudo apt-get dist-upgrade -y 
sudo reboot echo "系统已更新并重启"

7.一键安装Docker（自动化安装Docker并启动，用户已添加到docker组）

#!/bin/bash 
sudo apt-get update 
sudo apt-get install -y 
sudo apt-get dist-upgrade -y apt-transport-https ca-certificates curl 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-get update sudo apt-get install -y docker-ce 
sudo systemctl start docker 
sudo systemctl enable docker sudo usermod -aG docker $USER 
echo "Docker已安装并启动，用户已添加到docker组"

8.一键清理系统日志

#!/bin/bash 
sudo find /var/log/ -type f -name "*.log" -exec truncate -s 0 {} \; echo "系统日志已经清理"
 

9.一键安装PHP(安装PHP及其Apache模块，以便在Apache服务器上运行PHP代码)

#!/bin/bash
sudo apt-get update
sudo apt-get install -y php libapache2-mod-php php-mysql
sudo systemctl restart apache2
echo "PHP已安装并配置为Apache模块"

10.一键监控CPU和内存使用率(实时监控CPU和内存使用率)

#!/bin/bash 
watch -n 1 'free -m && top -bn1 | grep "Cpu(s)"'

11.一键查找大文件(查询系统中大于100MB的文件)

 #!/bin/bash sudo find / -type f -size +100M -exec ls -lh {} \; | awk '{ print $9 ":" $5 }'

12.一键安装Git(自动化安装指定版本的Node.js)

#!/bin/bash
sudo apt-get update
### 13. **一键安装Node.js**
```bash
#!/bin/bash
VERSION="node_14.x" # 可以根据需要更改版本
DISTRO=$(lsb_release -s -c)
echo "deb https://deb.nodesource.com/$VERSION $DISTRO main" | sudo tee /etc/apt/sources.list.d/nodesource.list
sudo apt-get update
sudo apt-get install -y nodejs
echo "Node.js已安装"

14.一键安装Redis(自动化安装并启动Redis服务器)

 #!/bin/bash 
sudo apt-get update 
sudo apt-get install -y redis-server
sudo systemctl start redis 
sudo systemctl enable redis 
echo "Redis已安装并启动"

15.一键安装MongoDB(自动化安装并启动MongoDB数据库)

#!/bin/bash
wget -qO - https://www.mongodb.org/static/pgp/server-4.4.asc | sudo apt-key add -
echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu $(lsb_release -sc)/mongodb-org/4.4 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-4.4.list
sudo apt-get update
sudo apt-get install -y mongodb-org
sudo systemctl start mongod
sudo systemctl enable mongod
echo "MongoDB已安装并启动"

16.一键配置SSH无密码登录(将本地SSH密钥复制到远程主机，实现无密码登录)

#!/bin/bash
read -p "请输入要配置的SSH密钥文件路径: " KEY_PATH
ssh-copy-id -i $KEY_PATH user@remote_host # 替换user和remote_host为实际值
echo "SSH无密码登录已配置"替换user和remote_host为实际值 echo "SSH无密码登录已配置"

17.一键安装Python虚拟环境(安装指定版本的Python及其虚拟环境工具)

#!/bin/bash
PYTHON_VERSION="3.8" # 可以根据需要更改版本
sudo apt-get update
sudo apt-get install -y python3-$PYTHON_VERSION python3-venv
echo "Python虚拟环境工具已安装"

18.一键压缩目录(压缩指定目录为tar.gz格式文件)

#!/bin/bash
read -p "请输入要压缩的目录路径: " DIR_PATH
read -p "请输入压缩文件的名称: " ARCHIVE_NAME
tar -czvf $ARCHIVE_NAME.tar.gz -C $(dirname $DIR_PATH) $(basename $DIR_PATH)
echo "目录已压缩为 $ARCHIVE_NAME.tar.gz"

19.一键安装Java (安装OpenJDK11)

#!/bin/bash 
sudo apt-get update 
sudo apt-get install -y openjdk-11-jdk 
echo "Java已安装"

​ 20. 一键检查磁盘空间(检查并显示系统中各磁盘分区的使用情况，排除临时文件系统、光盘等)

#!/bin/bash
df -h | grep -Ev '^Filesystem|tmpfs|cdrom'