Tomcat: Compile and install JDK, and tomcat compiles jdk

Tomcat: Compile and install JDK, and tomcat compiles jdk
Nginx: installation: If OpenJdk is installed first delete In/tmp, put into the jdk-8u162-linux-x64.rpm (see U disk or Baidu Network Disk) cd/tmprpm-ivh jdk-8u162-linux-x64.rpm ???? (Rpm install JDK) vi/etc/profile ???? (For the modified profile, see the USB flash drive or Baidu online storage) JAVA_HOME =/usr/java/jdk1.8.0 _ 162
PATH = $ JAVA_HOME/bin: $ PATH
CLASSPATH =.: $ JAVA_HOME/lib/dt. jar: $ JAVA_HOME/lib/tools. jar
Export JAVA_HOME
Export PATH
Export CLASSPATH? Source/etc/profile (to make the profile take effect) uninstall: rpm-qa | grep jdk // view the version
Rpm-e? Jdk version // uninstall