firewall-cmd

How to Install Oracle Database 11.2.0.4 on Oracle Linux 7.2

by Ed Chen
November 6, 2016March 27, 2022

Please download Oracle Database 11.2.0.4 (Patchset 13390677) for your platform, which is actually a full installer of Oracle database. First of all, I take a… Read More »

How to Limit Network Access By Firewalld on Enterprise Linux 7

by Ed Chen
March 19, 2016September 24, 2021

You may have noticed that the service ssh is also added in the public zone (/etc/firewalld/zones/public.xml) by default. This is necessary for initialization. But after… Read More »

The Fastest Way to Install Java and Tomcat on Enterprise Linux 7

by Ed Chen
August 23, 2014March 27, 2018

If you'd like to install Java 8 and Tomcat 8 on Enterprise Linux (EL) 7, please refer to another post below:How to Install Java 8… Read More »

How to Make Tomcat Respond to Port 80

by Ed Chen
August 21, 2014May 16, 2019

Tomcat uses port 8080 to service public users, but most users won't append :8080 to your URLs to get the content, which will result no content… Read More »

How to Install Java 8 and Tomcat 8 on Enterprise Linux 7

by Ed Chen
August 20, 2014January 23, 2021

In this post, I will install the newest Java 8 and Tomcat 8 on Enterprise Linux (EL) 7 Minimal. There're 4 major steps in this… Read More »

How to Open Ports and Survives from Reboots

by Ed Chen
August 19, 2014May 17, 2019

Open Port There're differences to open port between Enterprise Linux (EL) 6 and 7, although they are IPTABLES operating underneath. EL6 uses iptables to manage… Read More »