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This article mainly introduces the method of installing jdk1.8.0_151 and mysql5.6.38 in centos7.2.1511. It describes the specific steps and related setting skills of installing jdk1.8.0_151 and mysql5.6.38 in centos7.2.1511 in more detail. Friends who need it You can refer to it, I hope it can help everyone.
The example in this article describes how to install jdk1.8.0_151 and mysql5.6.38 on centos7.2.1511. Share it with everyone for your reference, the details are as follows:
1: Environment
2: Download the jdk rpm package locally and upload it to the server (because this I just started using wget to download directly to the server, and the installation kept reporting errors, so I decided to use this stupid method)
Download address: http://download.oracle.com/otn-pub/java/jdk /8u151-b12/e758a0de34e24606bca991d704f6dcbf/jdk-8u151-linux-x64.rpm
##JDK is installed in /usr/java by default 3: Configure environment variablesAfter installing jdk-8u151-linux-x64.rpm on my machine, I can perform the java –version operation normally without configuring environment variables, so I did not configure the JDK environment. Configuration of variables. But for the sake of future discomfort, here is a record of how to configure it. The operation is as follows:vi /etc/profileAppend the following content to the file:
JAVA_HOME=/usr/java/jdk1.8.0_151JRE_HOME=/usr/java/jdk1.8.0_151/jrePATH=$PATH:$JAVA_HOME/bin:$ JRE_HOME/binCLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/libexport JAVA_HOME JRE_HOME PATH CLASSPATHMake changes effective
[root@localhost ~]# source /etc/profile //使修改立即生效 [root@localhost ~]#echo $PATH //查看PATH值Check the system environment status
[root@localhost ~]# echo $PATH /usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin:/usr/java/jdk1.8.0_25/bin:/usr/java/jdk1.8.0_25/jre/binFour: Install mysql (download and install mysql-server from the official website)
# wget http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm # rpm -ivh mysql-community-release-el7-5.noarch.rpm # yum install mysql-community-serverRestart the mysql service after successful installation.
# service mysqld restartWhen installing mysql for the first time, the root account does not have a password. Set password
mysql> set password for 'root'@'localhost' =password('password'); Query OK, 0 rows affected (0.00 sec) mysql>Five: Configure mysql1. EncodingThe mysql configuration file is /etc/my.cnf Finally, add the encoding configuration
[mysql] default-character-set =utf8The character encoding here must be consistent with /usr/share/mysql/charsets/Index.xml. 2. Remote connection settingsAssign all permissions on all tables in all databases to the root user located at all IP addresses.
mysql> grant all privileges on *.* to root@'%'identified by 'password';If it is a new user instead of root, you must first create a new user
mysql>create user 'username'@'%' identified by 'password';Then you can connect remotely. Related recommendations:
Centos7.3 installation mysql5.7.18 rpm tutorial
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