


When Linux uses the yum command to install JDK, the installation directory is determined by the operating system package manager. The search steps are: 1. Open the terminal; 2. Run the "rpm -ql
" command, which will be displayed List of all files and directories installed by the JDK, including the installation path.
Operating system for this tutorial: Linux5.18.14 system, Dell G3 computer.
When using the yum command to install the JDK, the installation directory is determined by the operating system package manager and is not fixed. For distributions based on Red Hat or CentOS, yum will install the JDK to the /usr/java/ directory. The specific installation path may vary depending on the Linux distribution and JDK version.
If you want to determine the installation path of the JDK, you can find it through the following steps:
1. Open the terminal.
2. Run the following command to find the JDK installation path:
rpm -ql <jdk-package-name>
Please note that if you manually download and install the JDK from the Oracle official website, the installation path may be different from that installed by the yum package manager. In this case, you need to check the documentation or related instructions of the JDK installer you downloaded to determine its installation path.
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The key steps in Linux system management and maintenance include: 1) Master the basic knowledge, such as file system structure and user management; 2) Carry out system monitoring and resource management, use top, htop and other tools; 3) Use system logs to troubleshoot, use journalctl and other tools; 4) Write automated scripts and task scheduling, use cron tools; 5) implement security management and protection, configure firewalls through iptables; 6) Carry out performance optimization and best practices, adjust kernel parameters and develop good habits.

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