Linux install JDK tomcat MySQL

---------------------------------------------JDK-------------------------------------------------

Download the JDK on the Oracle website to download the rpm file

Http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

Paste the Xftp software directly into the directory/usr/local (local for the custom folder, if not created enter the USR directory after entering mkdir+ folder name created)

Enter RPM-IVH JDK file name

Wait for installation to complete, install directory/usr/java

Editing system Environment variables

Vi/etc/profile

Input I

Add the following:

Export java_home=/usr/java/jdk1.7.0_71

Export classpath=.: $JAVA _home/lib/dt.jar: $JAVA _home/lib/tools.jar

Export path= $JAVA _home/bin: $PATH

Note the punctuation, java_home is just MV to the path

Load the variable you just set

Source/etc/profile

Test whether the installation was successful

Enter java-version and then display the JDK version information, etc.

Input Javac will show Javac command help so the JDK and environment variables are configured successfully

---------------------------------------------TOMCAT-------------------------------------------------

Copy the Tomcat folder directly from the previous profile to the system

will prompt for insufficient permissions to the entire folder and its subfolders chmod 777-r/apache-tomcat-7.0.77

Rpm-qa|grep iptables Check if installation

To open the Tomcat port first Vi/etc/sysconfig/iptables

-A input-m state–state new-m tcp-p tcp–dport 80-j ACCEPT (allow 80 ports through the firewall)
-A input-m state–state new-m tcp-p tcp–dport 3306-j ACCEPT (Allow 3306 ports through the firewall)

-------------

CentOS7 didn't iptables this file.

Systemctl stop FIREWALLD First shut down the firewall

Download with yum to add DNS server vi/etc/resolv.conf

Add the following two lines to the file:

NameServer 8.8.8.8
NameServer 8.8.4.4

Save exit and restart Server service network restart. And then Ping www.baidu.com.

Yum Install iptables-services installation iptables Service
Then use Systemctl enable Iptables to start the iptables
Finally systemctl start iptables open iptables
Try the service Iptables save successfully after the/etc/sysconfig/iptables file is ready to add a port

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Finally start Tomcat

Enter the bin directory input./startup.sh boot

Ok

-----------------------------------------------Mysql--------------------------------------------

Linux install JDK tomcat MySQL