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, 2016November 10, 2022

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 »

How to Open Ports and Survives from Reboots

by Ed Chen
August 19, 2014November 24, 2022

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 »