1.上传下载

yum install lrzsz

sz下载

rz上传

2.安装压缩命令

yum install -y unzip zip;

3.安装java

rpm -ivh jdk-8u161-linux-x64.rpm

4.安装mysql

yum install libaio

yum -y remove mariadb-libs-5.5*

rpm -ivh mysql-community-common-5.7.21-1.el7.x86_64.rpm

rpm -ivh mysql-community-libs-5.7.21-1.el7.x86_64.rpm

rpm -ivh mysql-community-client-5.7.21-1.el7.x86_64.rpm

启动配置mysql

vi  /etc/my.cnf

在[mysqld]下添加:

skip-grant-tables=1

service mysqld restart

mysql -u root -p

update user set host='%' where host='localhost';

update user set authentication_string = password('xxx'), password_expired = 'N', password_last_changed = now() where user = 'root';

再把上面的skip-grant-tables=1去掉，这样就可以密码登录了。

mysql5.7默认分组字段必须在查询字段里,修改这个配置:

mysql命令行，执行命令

select @@sql_mode;

这样就可以查出sql_mode的值，复制这个值，在my.cnf中添加配置项(把查询到的值删掉only_full_group_by这个选项，其他的都复制过去)：

sql_mode=STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION;

再加一行,设置默认编码

character-set-server=utf8

设置innodb缓存，加快查询速度,其值按自己机器定:

innodb_buffer_pool_size=256M

5.安装nginx

yum install gcc-c++

yum install -y pcre pcre-devel

yum install -y zlib zlib-devel

yum install -y openssl openssl-devel

下载并解压nginx-1.10.2,进入nginx-1.10.2目录

chmod a+x ./configure

./configure

make

make install

安装成功了，查找安装路径：

whereis nginx

cd /usr/local/nginx/sbin/

启动: ./nginx

退出:./nginx -s quit

nginx的负载均衡:

cd /usr/local/nginx/conf

vi nginx.conf

http{

include /usr/local/nginx/conf.d/*.conf;

}

进入conf.d文件夹,编辑自己网站xx.conf，假如域名是www.xx.com,本地启动了两个端口8280 8281:

upstream tomcats{

server 127.0.0.1:8280;

server 127.0.0.1:8281;

}

server {

listen 80;

server_name www.xx.com;

index index.html;

location / {

#上面配置的服务器组

proxy_pass http://tomcats;

proxy_set_header Host $host;

proxy_set_header X-Real-IP $remote_addr;

proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

proxy_connect_timeout90;

proxy_send_timeout90;

proxy_read_timeout90;

client_max_body_size10m;

client_body_buffer_size1m;

proxy_buffer_size64k;

proxy_buffers 32 32k;

proxy_busy_buffers_size128k;

proxy_temp_file_write_size1m;

limit_conn perip 5;

limit_conn perserver 20;

limit_rate 100k;

index index.html index.htm index.jsp;

}

}

漏洞修复

yum -y install wget

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