centos安装环境软件

一／安装idk

  1. rpm -qa | grep java 查询内置到jdk

  2. rpm -e —nodes jdk相关名称

  3. 到官网下载jdk.rpm

  4. 通过winscp上传idk到centos

  5. rpm -ivh idk 安装idk包

  6. java -version 查看idk是否安装成功

  7. vi /etc/profile 添加JAVA_HOME和更新PATH

  8. export JAVA_HOME=/usr/java/default

  9. export PATH=PATH:JAVA_HOME/bin

  10. source /etc/profile 重新加载环境变量

二／安装tomcat

  1. 到tomcat官网下载tomcat.tar.gz

  2. winscp 拷贝压缩包到centos

  3. tar -zxvf tomcat.tar.gz /usr/local/

  4. cd /usr/local

  5. mv tomcat_XX tomcat

  6. cd tomcat/bin

  7. ./startup.sh

  8. netstat -ntl 查看8080是否启动监听（yum install net-tools）

  9. ./shutdown.sh

三／安装mysql

  1. yum list installed | grep 查看是否自带mysql

  2. yum -y remove mysql-* 删除mysql相关的包

  3. yum install wget

  4. 到mysql官网查看yum的repository，获取最新的rpm地址

  5. wget https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm

  6. rpm -Uvh mysql57-community-release-el7-11.noarch.rpm

  7. yum list | grep mysql

  8. yum install mysql-commnutiy-server

  9. grep “password” /var/log/mysqld.log 查看临时密码

  10. mysql -u root -p临时密码  #登陆

  11. SET PASSWORD = PASSOWRD(“xxx”); #设置密码

  root远程访问设置方法一：

  1. GRANT ALL PRIVILEGES ON . TO ‘root@%’ IDENTIFIED BY ‘密码’ WITH GRANT OPTION;

  2. flush privileges;

  root远程访问设置方法二：

  1. use mysql;

  2. UPDATE user SET host = ‘%’ where user = ‘root’;

  3. flush privileges;

四／mysql配置

  1. lower_case_table_name=1 #表名称大小写不敏感

  2. skip-name-resolve #阻止mysql对ip进行反向查找

五／centos防火墙

systemctl stop firewalld.service

systemctl start firewalld.service

systemctl disable firewalls.service

六、selinux

[root@dev-server ~]# getenforce

[root@dev-server ~]# /usr/sbin/sestatus -v

setenforce 0 临时关闭

vi /etc/selinux/config 永久关闭

将SELINUX=enforcing改为SELINUX=disabled

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