Table of contents
Chapter 1, the use of xshell tools and xftp
1.1) xshell download and installation
①Used to remotely operate the Linux virtual machine system,
download the free version from the official website of the two tools: https://www.xshell.com/zh/
②Click to download, double-click the .exe file to install directly
③Always go to the next step to install directly
1.2) xshell connection
①File—"New Session—"Enter the IP address of the virtual machine—"Connect
②Enter the Linux account to confirm and enter the password
to connect and then you can remotely control the Linux system in xshell
1.3) xftp download installation and connection
same as xshell
Chapter 2, Install Java's JDK
2.1) Turn off the firewall and transfer the jdk compressed package to the Linux virtual machine
①Permanently close the firewall
systemctl disable firewalld.service
#重启Linux系统让其生效
reboot
②Log in to xftp to transfer the .tar compressed file of JDK1.8, and directly drag and drop the file to transfer the local file to the root folder of the virtual machine ③Decompress the
jdk compressed file to the /usr/local/java directory
tar -zxvf jdk-8u77-linux-x64.tar.gz -C /usr/local/java
22) Configure java environment variables
① Edit the /etc/profile file:
vim /etc/profile
②Add the following configuration information at the end of the file
JAVA_HOME=/usr/local/java/jdk1.8.0_77
CLASSPATH=$JAVA_HOME/lib/
PATH=$PATH:$JAVA_HOME/bin
export PATH JAVA_HOME CLASSPATH
③Reload the /etc/profile file
source /etc/profile
④Use Javac command A to verify whether the configuration is successful
