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<< Click to Display Table of Contents >> Installation Tips |
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•When the user remotely visits the Linux system through SSH to install, if you want to delete the input text, you need to press the Ctrl key and the Backspace key at the same time.
•When the user is unable to access the product via a set port, it may be blocked by a firewall, and the firewall settings need to be changed. The configuration statement is as follows:
Sentence |
Explain |
|---|---|
vi /etc/sysconfig/iptables |
The first aim is to open the firewall configuration file |
-A INPUT -m state --state NEW -m tcp -p tcp --dport 8080,5083,5066 -j ACCEPT |
The purpose of the second sentence is to set 8080 5083 5066 ports to allow access. If zookeeper is configured, the corresponding ports should also be opened. |
service iptables restart |
The third sentence is to restart the firewall |
•8.5 Product installation Pack JDK usage consideration
1. The system where the product is installed, for example; JDK in the Centos7, system variable to use the official Sun JDK; Installing products with Open JDK, may result in installation errors, mainly because the open source fonts used in Open JDK are not installed, resulting in a graphical interface that cannot be pulled out, as follows: system installation of fontconfig, The command is as follows: yum install fontconfig comments: you can also refer to the following link address: https://blog.csdn.net/cr 重点c/文章/详细资料/86305466
Note: Yonghong products do not need to modify the values in the environment variable
2. JDK, configured in the graphical interface during product installation recommends the use of JDK11, theoretically both JDK9 and above