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原创 RHEL 8使用CentOS源
RHEL8使用在线源可参考如下链接阿里云关于CentOS8切换源的说明 centos镜像-centos下载地址-centos安装教程-阿里巴巴开源镜像站 wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-vault-8.5.2111.repoyum clean all && yum makecache ...
2022-03-14 17:05:42
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原创 6.实现负载均衡节点高可用
1.配置后备负载均衡节点LB02#1安装Nginxyum install nginx -y#2拉取配置文件scp root@192.168.99.121:/etc/nginx/nginx.conf /etc/nginx/nginx.confscp root@192.168.99.121:/etc/nginx/proxy_params /etc/nginx/.#3启动服务systemctl enable --now nginxfirewall-cmd --add-service
2021-12-16 15:49:08
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原创 5.配置负载均衡服务器LB01
1.安装Nginx,配置反向代理yum install nginx[root@lb01 nginx]# cat /etc/nginx/nginx.conf upstream nodes { server 192.168.99.201; } server { location / { proxy_pass http://nodes; inclu...
2021-12-16 15:44:10
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原创 9.编写备份脚本部署到所有节点
@nfs-server#编写备份脚本[root@nfs ~]# cat MyBackup.sh#!/bin/bash#0.定义变量Host=$(hostname)Addr=$(hostname -I | cut -d " " -f 1)Date=$(date +%F-%H-%M)DestDir=${Host}_${Addr}BackupRoot=/backup#1.创建备份目录[ -d ${BackupRoot}/${DestDir} ] || mkdir -p ${Backu
2021-12-16 14:39:13
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原创 8.配置备份服务器(192.168.99.112)
@backup-server(192.168.99.112)[root@localhost ~]# yum install rsync-daemon[root@localhost ~]# vim /etc/rsyncd.conf uid = rsync gid = rsync use chroot = yes max connections = 4 pid file = /var/run/rsyncd.pid exclude = lost+found/...
2021-12-16 14:20:35
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原创 7.配置MariaDB主从复制
#@db01cat /etc/my.cnf.d/mariadb-server.cnf [mysqld] datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock log-error=/var/log/mariadb/mariadb.log pid-file=/run/mariadb/mariadb.pid log-bin=1-mysql-bin...
2021-12-16 13:14:45
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原创 10.Wordpress启用远程redis
Wordpress启用远程redis测试系统:CentOS8.5@redis-server[root@localhost ~]# mount /dev/cdrom /media/CentOS/[root@localhost ~]# yum install redis -y[root@localhost ~]# systemctl enable --now redis[root@localhost ~]# firewall-cmd --add-service=redis[root@loca
2021-12-15 14:28:36
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原创 Wordpress 启用redis缓存(RHEL7.5)
测试系统为RHEL7.51.升级PHP至PHP7#1.查看已安装的php组件,根据查询到的组件名称卸载已安装的旧版php[root@localhost ~]# for i in $(yum list installed | grep ^php | awk '{print $1}');do yum remove $i -y;done#2.配置外部yum源yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-
2021-12-15 11:08:13
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原创 4.拓展Web节点
1.安装LNMP环境yum install httpd php php-mysqlnd nfs-utils -y2.设置SELinuxsetsebool -P httpd_can_network_connect onsetsebool -P httpd_use_nfs on3.同步代码scp -rp root@192.168.99.201:/var/www/html/* /var/www/html/.4.配置数据目录使用NFSrm /var/www/html/wp-c
2021-12-14 14:33:56
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原创 3.存储分离
1.构建RAID5@nfs #添加4块硬盘后reboot #查看设备名称 lsblk #安装mdadm管理工具 yum install mdadm #创建RAID5 mdadm -Cv /dev/md0 -l5 -n3 -x1 /dev/sd[b-e] mdadm -D /dev/md02.开机自动挂载RAID5设备#创建LV mkdi...
2021-12-14 14:30:35
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原创 2.数据库分离
2.1 配置单独节点运行MariaDB*@DB01*yum install mariadb-server -ysystemctl enable --now mariadbmysql_secure_installation2.2 备份原始数据导入新数据库服务器*@Web01*mysqldump -uroot -pcentos -A > all.sqlscp all.sql root@192.168.99.101:/root/.*@DB01*mysql -uroot -ps
2021-12-14 14:26:00
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原创 1.单节点安装Wordpress
# Linux企业级应用实训Linux 高可用 负载均衡---##1.单节点安装Wordpress###1.1 安装LAMP组件```shellmount /dev/cdrom /media/CentOS/yum install httpd mariadb-server php -y```###1.2 下载Wordpress```shellwget https://cn.wordpress.org/wordpress-5.1.11-zh_CN.tar.gztar xzvf wor
2021-12-13 17:37:51
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原创 安装PhpMyAdmin
1.下载安装PhpMyAdmin@Web节点wget https://files.phpmyadmin.net/phpMyAdmin/5.1.1/phpMyAdmin-5.1.1-all-languages.zipyum install unzip -yunzip phpMyAdmin-5.1.1-all-languages.zipmv phpMyAdmin-5.1.1-all-languages /var/www/html/phpmyadmincd /var/www/html/chcon
2021-12-12 21:47:31
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原创 负载均衡项目中解决Session保留问题
1.利用ip_hash,将一个客户端固定调度到一个Web节点实现session保留。 upstream nodes { ip_hash; server 192.168.99.201; server 192.168.99.202; server 192.168.99.203; }2.利用Redis配置Session共享@Redis Server(192.168.99.131)yum install redis -y
2021-12-11 00:39:10
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原创 学生端运行测试脚本
cd ~rm grade.sh -rfcurl http://服务器IP地址/grade/grade.sh -o grade.shchmod a+x grade.shsudo ./grade.sh 服务器IP地址 项目名称sudo UploadResult.sh
2021-12-10 09:55:07
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