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Source code of this article: GitHub click here | | GitEE click here |

1. Build JDK1.8 environment 1. Upload files and decompress [root@localhost mysoft] # tar-zxvf jdk-8u161-linux-x64.tar.gz [root@localhost mysoft] # pwd/usr/local/mysoft [root@localhost mysoft] # mv jdk1.8.0_161 jdk1.82, check the environment Installed and deleted [root@localhost mysoft] # ps-aux | grep java [root@localhost mysoft] # rpm-e-nodeps rpm-qa | grep java3, configure environment variable [root@localhost /] # vim / etc/profile# file and append the following content shit+g to the end of the file # JAVA_HOMEexport JAVA_HOME=/usr/local/mysoft/jdk1.8export PATH=$PATH:$JAVA_HOME/bin4, Check for successful installation [root@localhost /] # java-versionopenjdk version "1.8.0mm 161" OpenJDK Runtime Environment (build 1.8.0_161-b14) OpenJDK 64-Bit Server VM (build 25.161-b14) Mixed mode) 2. TOMCAT8 installation 1, upload installation package [root@localhost mysoft] # tar-zxvf apache-tomcat-8.5.40.tar.gz [root@localhost mysoft] # mv apache-tomcat-8.5.40 tomcat8.52, launch service [root@localhost bin] # pwd/usr/local/mysoft/tomcat8.5/bin [root@localhost bin] # / startup.sh Tomcat started.3, access test http://127.0.0.1:8080/ OK 3, MySQL5.7 installation 1, Uninstall mariadb [root@localhost /] # rpm-qa from the original system | grep mariadbmariadb-libs-5.5.56-2.el7.x86_64 [root@localhost /] # rpm-e-nodeps mariadb-libs [root@localhost /] # rpm-qa | grep mariadb2, get the official address

Address: https://dev.mysql.com/downloads/repo/yum/https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm3, Yum source installation wget https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm[root@localhost /] # rpm-ivh mysql80-community-release-el7-3.noarch.rpm [root@localhost /] # yum repolist all | grep mysqlmysql57-community/x86_64 MySQL 5.7 Community Server disabledmysql80-community/x86_64 MySQL 8.0 Community Server enabled: 113mysql80-community-source MySQL 8.0 Community Server-disabled. ..

The default version of the installation package enabled in the yum source is MySQL8.0, which is switched to 5.7. execute the following command

[root@localhost /] # yum-config-manager-disable mysql80-community [root@localhost /] # yum-config-manager-enable mysql57-community

4. MySQL installation startup [root@localhost /] # yum install mysql-community-server# requires installation dependency prompt. Select yTotal download size: 192 MInstalled size: 865 MIs this ok [y/d/N]: y

View version

[root@localhost /] # mysql-Vmysql Ver 14.14 Distrib 5.7.26, for Linux (x86 / 64) using EditLine wrapper

Start to view status

[root@localhost /] # systemctl start mysqld.service [root@localhost /] # systemctl status mysqld.service mysqld.service-MySQL Server Loaded: loaded (/ usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled) Active: active (running) since Tue 2019-05-14 17:26:32 CST; 31s ago

Generate a temporary password for the root account

[root@localhost /] # grep 'temporary password' / var/log/mysqld.log2019-05-14T09:26:28.657250Z 1 [Note] A temporary password is generated for root@localhost:! Bh (GT.od9L

Set the root user password

# the problem of insufficient strength of password policy is prevented here: mysql > set global validate_password_policy=LOW;mysql > alter user 'root'@'localhost' identified by' husky123456'

In this way, the basic environment of Java has been built!

Source code address GitHub address https://github.com/cicadasmile/linux-system-baseGitEE address https://gitee.com/cicadasmile/linux-system-base

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