mysqld启动脚本

#!/bin/bash

# 启动 MySQL 服务
start_mysql() {
    echo "Starting MySQL..."
    sudo systemctl start mysqld
    if [ $? -eq 0 ]; then
        echo "MySQL started successfully."
    else
        echo "Failed to start MySQL."
    fi
}

# 停止 MySQL 服务
stop_mysql() {
    echo "Stopping MySQL..."
    sudo systemctl stop mysqld
    if [ $? -eq 0 ]; then
        echo "MySQL stopped successfully."
    else
        echo "Failed to stop MySQL."
    fi
}

# 重启 MySQL 服务
restart_mysql() {
    echo "Restarting MySQL..."
    sudo systemctl restart mysqld
    if [ $? -eq 0 ]; then
        echo "MySQL restarted successfully."
    else
        echo "Failed to restart MySQL."
    fi
}

case "$1" in
    start)
        start_mysql
        ;;
    stop)
        stop_mysql
        ;;
    restart)
        restart_mysql
        ;;
    *)
        echo "Usage: $0 {start|stop|restart}"
        exit 1
        ;;
esac