hell编写一个圣诞树
#创建时间2021-12-23
trap "tput reset; tput cnorm; exit" 2
clear
tput civis
lin=2
col=$(($(tput cols) / 2))
c=$((col-1))
est=$((c-2))
color=0
tput setaf 2; tput bold

# 打印树叶
for ((i=1; i<20; i+=2))
{
    tput cup $lin $col
    for ((j=1; j<=i; j++))
    {
        echo -n \*
    }
    let lin++
    let col--
}

tput sgr0; tput setaf 3

# 打印树干
for ((i=1; i<=2; i++))
{
    tput cup $((lin++)) $c
    echo '||'
}
new_year=$(date +'%Y')
let new_year++
tput setaf 222; tput bold
tput cup $lin $((c - 10));  echo $new_year  圣 诞 节 快 乐！！！
color=122
tput setaf $color; tput bold
tput cup $((lin + 1)) $((c - 10)); 
let c++
k=1

#装饰一下
while true; do
    for ((i=1; i<=35; i++)) {
        # Turn off the lights
        [ $k -gt 1 ] && {
            tput setaf 2; tput bold
            tput cup ${line[$[k-1]$i]} ${column[$[k-1]$i]}; echo \*
            unset line[$[k-1]$i]; unset column[$[k-1]$i] 
        }

        li=$((RANDOM % 9 + 3))
        start=$((c-li+2))
        co=$((RANDOM % (li-2) * 2 + 1 + start))
        tput setaf $color; tput bold
        tput cup $li $co
        echo o
        line[$k$i]=$li
        column[$k$i]=$co
        color=$(((color+1)%8))
       
        sh=1
  #for l in M O N E Y
  for l in  圣 诞 节 快 乐 
        do
            tput cup $((lin+1)) $((c+sh))
            echo $l
            let sh++
            let sh++
            sleep 0.02
        done
    }
    k=$((k % 2 + 1))
done

#mkdir -p /data/test-yapi-web/{db,log,config}
#项目依赖test-mongo 搭建前，启动test-mongo 若使用其他mongo,修改YAPI_DB_SERVERNAME，YAPI_DB_PORT，YAPI_DB_DATABASE
#docker-compose -f test-yapi-web.yml up -d
#test-yapi-web.yml 配置文件如下 

version: '2'

services:
  test-yapi-web:
    image: liuqingzheng/yapi:latest
    container_name: test-yapi-web
    ports:
      - 3000:3000
    environment:
      - YAPI_ADMIN_ACCOUNT=admin@qq.com
      - YAPI_ADMIN_PASSWORD=admin
      - YAPI_CLOSE_REGISTER=true
      - YAPI_DB_SERVERNAME=test-mongo
      - YAPI_DB_PORT=27017
      - YAPI_DB_DATABASE=yapi
      - YAPI_MAIL_ENABLE=false
      - YAPI_LDAP_LOGIN_ENABLE=false
      - YAPI_PLUGINS=[]
    restart: always
    networks:
      test-net:
        ipv4_address: 172.100.0.10
networks:
  test-net:
    external: true

#mkdir -p /data/test-mongo/{db,log,config}
#docker-compose -f test-mongo.yml up -d
#test-mongo.yml 配置文件如下 
 
version: '2'
services:
  test-mongo:
    image: mongo:4.4.0 #根据需要选择自己的镜像
    restart: always
    ports:
     - 27017:27017 #对外暴露停供服务的端口，正式生产的时候理论不用暴露。
    volumes:
     - /data/test-mongo/db:/data/db # 挂载数据目录
     - /data/test-mongo/log:/var/log/mongodb  # 挂载日志目录
     - /data/test-mongo/config:/etc/mongo  # 挂载配置目录
    # command: --config /docker/mongodb/mongod.conf # 配置文件
    container_name: test-mongo
    networks:
      test-net:
        ipv4_address: 172.100.0.9
networks:
  test-net:
    external: true

cd /usr/local/bin/

wget https://github.com/docker/compose/releases/download/1.14.0-rc2/docker-compose-Linux-x86_64

rename docker-compose-Linux-x86_64 docker-compose docker-compose-Linux-x86_64

chmod +x /usr/local/bin/docker-compose

docker-compose version

@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
 //静态资源不拦截
 if (handler instanceof ResourceHttpRequestHandler) {
     return true;
 }
}

vi /etc/yum.repos.d/cisofy-lynis.repo

[lynis]
name=CISOfy Software - Lynis package
baseurl=https://packages.cisofy.com/community/lynis/rpm/
enabled=1
gpgkey=https://packages.cisofy.com/keys/cisofy-software-rpms-public.key
gpgcheck=1
priority=2

yum install lynis

lynis -h

lynis audit system

Warnings (1):
----------------------------
! Found some information disclosure in SMTP banner (OS or software name) [MAIL-8818] 
    https://cisofy.com/lynis/controls/MAIL-8818/

sec_ssh() {
    echo "============= sec ssh =============" >> ${LOCK} 2>&1
    echo -en "${RGB_WAIT}Configuring...${RGB_END}"
    sed -i 's/#UseDNS.*$/UseDNS no/' /etc/ssh/sshd_config
    sed -i 's/^#LoginGraceTime.*$/LoginGraceTime 60/' /etc/ssh/sshd_config
    sed -i 's/^#PermitEmptyPasswords.*$/PermitEmptyPasswords no/' /etc/ssh/sshd_config
    sed -i 's/^#PubkeyAuthentication.*$/PubkeyAuthentication yes/' /etc/ssh/sshd_config
    sed -i 's/^#MaxAuthTries.*$/MaxAuthTries 3/' /etc/ssh/sshd_config
    sed -i "s/#ClientAliveInterval 0/ClientAliveInterval 30/g" /etc/ssh/sshd_config
    sed -i "s/#ClientAliveCountMax 3/ClientAliveCountMax 3/g" /etc/ssh/sshd_config
    sed -i "s/X11Forwarding yes/X11Forwarding no/g" /etc/ssh/sshd_config
    sed -i "s/#AllowAgentForwarding yes/AllowAgentForwarding no/g" /etc/ssh/sshd_config
    sed -i "s/#AllowTcpForwarding yes/AllowTcpForwarding no/g" /etc/ssh/sshd_config
    sed -i "s/#TCPKeepAlive yes/TCPKeepAlive no/g" /etc/ssh/sshd_config
    sed -i "s/#Compression delayed/Compression no/g" /etc/ssh/sshd_config
    sed -i "s/#MaxSessions 10/MaxSessions 2/g" /etc/ssh/sshd_config
    sed -i "s/#LogLevel INFO/LogLevel VERBOSE/g" /etc/ssh/sshd_config
    sed -i "s/#Banner none/Banner \/etc\/issue.net/g" /etc/ssh/sshd_config
    echo "Authorized users only. All activity may be monitored and reported.">/etc/issue.net
    systemctl restart sshd.service >> ${LOCK} 2>&1
    cat /etc/ssh/sshd_config >> ${LOCK} 2>&1
    echo -e "\r${RGB_SUCCESS}Configuration Success${RGB_END}"
}

@Component
public  class RedisUtil {
    @Autowired
    private RedisTemplate redisTemplate;
    public static RedisTemplate redis;
    @PostConstruct
    public void getRedisTemplate(){
        redis=this.redisTemplate;
    }
    
}

@Override
public investor getDetail(String id) {
    RedisTemplate redisTemplate= RedisUtil.redis;//通过工具类实现RedisTemplate 的创建
    investor inv = null;
    System.out.println(redisTemplate);
    Object o = redisTemplate.opsForValue().get("investorId_" + id);
    if(o!=null){
        inv=(investor)o;
    }else{//我这里是通过使用mybatis实现数据库的操作
        SqlSession sqlSession= MybatisUtil.getSqlSession();
        IInvestor iInvestor=sqlSession.getMapper(IInvestor.class);
        inv=iInvestor.getDetail(id);
        if(inv!=null){
            redisTemplate.opsForValue().set("investorId_" + id,inv);
        }
        sqlSession.close();
    }
    return inv;
}