Installation of JDK, Tomcat, and MySQL under Linux

1. Installing the JDK

1. upload jdk-7u45-linux-x64.tar.gz to Linux (using the WinSCP tool)

2. Unzip the JDK to the /usr/local directory

TAR-ZXVF jdk-7u45-linux-x64.tar.gz-c/usr/local/--- extracted and placed under /usr/local/

RM-RF jdk-7u45-linux-x64.tar.gz--- delete a compressed package

MV jdk-7u45 JDK---- rename

3. set environment variables, append relevant content at the end of the/etc/profile file

Vi/etc/profile

Export JAVA_HOME=/USR/LOCAL/JDK

Export path=.: $JAVA _home/bin: $PATH

4. Refresh Environment variables

Source/etc/profile

5. Test Whether Java commands are available

Java-version

The OpenJDK becomes the jdk under Oracle .

2. install Tomcat

1. upload apache-tomcat-7.0.68.tar.gz to Linux

2. Unzip Tomcat

TAR-ZXVF apache-tomcat-7.0.68.tar.gz-c/usr/local/

RM-RF apache-tomcat-7.0.68.tar.gz

MV apache-tomcat-7.0.68 Tomcat

3. Start Tomcat

/usr/local/apache-tomcat-7.0.68/bin/startup.sh

4. See If the Tomcat process is started

JPS---- Viewing processes

5. View The Tomcat process Port

NETSTAT-ANPT | grep 2465

6. access Tomcat through a browser

http://192.168.33.200:8080/

3. Install MySQL

1. Uploading mysql-client-advanced-5.6.19-1.el6.x86_64.rpm and mysql-server-advanced-5.6.19-1.el6.x86_64.rpm to/usr/local

2. Delete the MySQL-related library information that is already installed on Linux. RPM-E mysql-libs-xxx--nodeps
Execute command rpm-qa |grep mysql check whether to remove clean

3. Install the server and client

RPM-IVH mysql-server-5.5.48-1.linux2.6.x86_64.rpm

RPM-IVH mysql-client-5.5.48-1.linux2.6.x86_64.rpm

4. Turn on the service and initialize MySQL

Service MySQL Start

/usr/local/mysql_secure_installation

5, there will be errors, do not know the password. Then you need to re-retrieve and set the password.

#/etc/init.d/mysql Stop
  
# Mysqld_safe--user=mysql--skip-grant-tables--skip-networking &
  
# mysql-u Root MySQL
  
mysql> Update user set Password=password ('admin') where user= ' root ';
  
mysql> flush Privileges;

Mysql> quit
  
#/etc/init.d/mysql Restart
  
# mysql-uroot-p
  
Enter Password:
  
mysql>

6, after the successful login, enter show databases, when the error, the solution is as follows:

SET PASSWORD = PASSWORD (' admin ');

7. In this way, MySQL is installed successfully.

Installation of JDK, Tomcat, and MySQL under Linux