1. Jdk installation
1. Copy the installation package to the root directory of the current user through the crt tool, ie /home/username/
2. Create a jvm package under usr/lib : sudo mkdir jvm
3. Put the compressed package cp(mv) into the jvm
4. Unzip the compressed package namely : sudo tar -xvf jdk.tar.gz
5. Configure environment variables : /etc/profile : sudo vi /etc/profile
export JAVA_HOME=/usr/lib/jvm/jdk1.7.0_21
export CLASSPATH=.:$JAVA_HOME/lib:$JAVA_HOME/jre/lib:$CLASSPATH
export PATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH
Then save and exit , test
( There are three environment variable configuration files, profile , environment , and bash.bashrc in ubuntu , which are generally configured in profile . If it fails, you can configure it in the other two configuration files to try )
Second, the installation of Tomcat
6. Copy the installation package to the root directory of the current user via the crt tool, ie /home/username/
7. Create a jvm package under usr/lib : sudo mkdir jvm
8. Put the compressed package cp(mv) into the jvm
9. Decompress the compressed package namely : sudo tar -xvf tomcat.tar.gz
( Error , indicating that the compressed package will be suffixed and not suitable for this kind of command )
5. Start tomcat.
( When the startup fails : start the .sh command without permission ( the file is not executable at this time ), you need to modify the permissions of the current user : chmod +x *.sh; When the log creation fails , because the permissions of the .log file are relatively high , you need to Modify the operation permissions of the current user on this file ( chmod -R 777 file)