安装JDKTomcat和Mysql（CentOS 7.4）

Posted 2020-12-31

• 上传软件包

rz上传jdk-8u181-linux-x64.tar.gz和apache-tomcat-8.5.32.tar.gz
或者FileZilla Client进行sftp链接上传

• 解压JDK到/usr/local/目录

tar xzvf jdk-8u181-linux-x64.tar.gz -C /usr/local/

• 查看JAVA是否安装成功

cd /usr/local/jdk1.8.0_181/bin
[[email protected] bin]# ./java -version 
java version "1.8.0_181"
Java(TM) SE Runtime Environment (build 1.8.0_181-b13)
Java HotSpot(TM) 64-Bit Server VM (build 25.181-b13, mix-ed mode)

• 配置环境变量

  [[email protected] bin]# vim /etc/profile
  export JAVA_HOME=/usr/local/jdk1.8.0_181
  export CLASSPATH=.:JAVA_HOME/lib
  export PATH=$PATH:$JAVA_HOME/bin

  [[email protected] ~]# source /etc/profile
  [[email protected] ~]# java -version      
  openjdk version "1.8.0_131"
  OpenJDK Runtime Environment (build 1.8.0_131-b12)
  OpenJDK 64-Bit Server VM (build 25.131-b12, mixed mode)

• 安装Tomcat

  [[email protected] software]# tar xzvf apache-tomcat-8.5.32.tar.gz
  [[email protected] software]# cd apache-tomcat-8.5.32/
  [[email protected] apache-tomcat-8.5.32]# ll
  总用量 92
  drwxr-x---. 2 root root  4096 8月  20 14:56 bin
  drwx------. 2 root root   238 6月  21 03:53 conf
  drwxr-x---. 2 root root  4096 8月  20 14:56 lib
  -rw-r-----. 1 root root 57092 6月  21 03:53 LICENSE
  drwxr-x---. 2 root root     6 6月  21 03:50 logs
  -rw-r-----. 1 root root  1723 6月  21 03:53 NOTICE
  -rw-r-----. 1 root root  7138 6月  21 03:53 RELEASE-NOTES
  -rw-r-----. 1 root root 16246 6月  21 03:53 RUNNING.txt
  drwxr-x---. 2 root root    30 8月  20 14:56 temp
  drwxr-x---. 7 root root    81 6月  21 03:51 webapps
  drwxr-x---. 2 root root     6 6月  21 03:50 work
  [[email protected] apache-tomcat-8.5.32]# cd bin/
  [[email protected] bin]# pwd
  /root/software/apache-tomcat-8.5.32/bin
  [[email protected] bin]# ./startup.sh 
  Using CATALINA_BASE:   /root/software/apache-tomcat-8.5.32
  Using CATALINA_HOME:   /root/software/apache-tomcat-8.5.32
  Using CATALINA_TMPDIR: /root/software/apache-tomcat-8.5.32/temp
  Using JRE_HOME:        /usr/local/jdk1.8.0_181
  Using CLASSPATH:       /root/software/apache-tomcat-8.5.32/bin/bootstrap.jar:/root/software/apache-tomcat-8.5.32/bin/tomcat-juli.jar
  Tomcat started.

• 放行默认端口8080，关闭selinux

  [[email protected] bin]# firewall-cmd --permanent --add-port=8080/tcp
  success
  [[email protected] bin]# firewall-cmd --reload 
  success
  [[email protected] bin]# getenforce
  Enforcing
  [[email protected] bin]# setenforce 0
  [[email protected] bin]# getenforce  
  Permissive

  

• 安装mysql

  [[email protected] bin]# yum repolist | grep mysql
  [[email protected] bin]# rpm -ivh https://dev.mysql.com/get/mysql80-community-release-el7-1.noarch.rpm
  获取https://dev.mysql.com/get/mysql80-community-release-el7-1.noarch.rpm
  警告：/var/tmp/rpm-tmp.m7U7PD: 头V3 DSA/SHA1 Signature, 密钥 ID 5072e1f5: NOKEY
  准备中...                          ################################# [100%]
  正在升级/安装...
  1:mysql80-community-release-el7-1  ################################# [100%]

[[email protected] bin]# yum repolist | grep mysql
mysql-connectors-community/x86_64        MySQL Connectors Community           63
mysql-tools-community/x86_64             MySQL Tools Community                69
mysql80-community/x86_64                 MySQL 8.0 Community Server           33

• 获得两个mysql的yum repo源

[[email protected] yum.repos.d]# pwd
/etc/yum.repos.d
[[email protected] yum.repos.d]# ll
总用量 40
-rw-r--r--. 1 root root 1503 8月   3 05:03 CentOS-Base.repo
-rw-r--r--. 1 root root 1664 8月   3 05:01 CentOS-Base.repo.bak
-rw-r--r--. 1 root root 1309 8月  30 2017 CentOS-CR.repo
-rw-r--r--. 1 root root  649 8月  30 2017 CentOS-Debuginfo.repo
-rw-r--r--. 1 root root  314 8月  30 2017 CentOS-fasttrack.repo
-rw-r--r--. 1 root root  630 8月  30 2017 CentOS-Media.repo
-rw-r--r--. 1 root root 1331 8月  30 2017 CentOS-Sources.repo
-rw-r--r--. 1 root root 3830 8月  30 2017 CentOS-Vault.repo
-rw-r--r--. 1 root root 1864 2月  22 16:49 mysql-community.repo
-rw-r--r--. 1 root root 1885 2月  22 16:49 mysql-community-source.repo

[[email protected] software]# yum install mysql-community-server
[[email protected] software]# yum install mysql-server
[[email protected] ~]# rpm -qa | grep mysql
mysql-community-server-8.0.12-1.el7.x86_64
mysql80-community-release-el7-1.noarch
mysql-community-libs-8.0.12-1.el7.x86_64
mysql-community-common-8.0.12-1.el7.x86_64
mysql-community-libs-compat-8.0.12-1.el7.x86_64
mysql-community-client-8.0.12-1.el7.x86_64

[[email protected] lib]# systemctl start mysqld
[[email protected] lib]# systemctl enable mysqld
[[email protected] lib]# cat /var/log/mysqld.log |grep password  #查看初始密码
2018-08-20T11:54:48.607318Z 5 [Note] [MY-010454] [Server] A temporary password is generated for [email protected]: +goyZ3q8w?!z
[[email protected] lib]# mysql -u root -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or g.
Your MySQL connection id is 8
Server version: 8.0.12

Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type ‘help;‘ or ‘h‘ for help. Type ‘c‘ to clear the current input statement.

mysql> show databases;
ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.  #提示需要先修改密码

mysql> alter user [email protected]‘localhost‘ identified by ‘[email protected]‘;  #修改密码为[email protected]
Query OK, 0 rows affected (0.10 sec)

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
4 rows in set (0.02 sec)

mysql>