This article describes how to use iptables to implement packet filtering and configure Network Address Translation (NAT), with specific reference to the information needed for the RHCE EX300 certification exam.
Remember, the exams are hands-on, so it doesn’t matter which method you use to achieve the result, so long as the end product is correct. Continue reading
Most of the time routing will be done by your network hardware, but it can be done using Linux.
This article provides an introduction to routing IP traffic on Linux, with specific reference to the information needed for the RHCE EX300 certification exam.
Remember, the exams are hands-on, so it doesn’t matter which method you use to achieve the result, so long as the end product is correct. Continue reading
This article describes how to build simple RPM packages for Linux, with specific reference to the information needed for the RHCE EX300 certification exam.
Remember, the exams are hands-on, so it doesn’t matter which method you use to achieve the result, so long as the end product is correct. Continue reading
This article describes how to configure a Linux system to authenticate using Kerberos, with specific reference to the information needed for the RHCE EX300 certification exam.
Remember, the exams are hands-on, so it doesn’t matter which method you use to achieve the result, so long as the end product is correct. Continue reading
A reverse proxy can act as a gateway service allowing access to servers on your trusted network from an external network.
There are a number of ways to achieve this, but this article discusses how to configure a reverse proxy using Apache virtual hosts. It is assumed you already have a working Apache installation. If not, you can see how to install Apache on Linux here. Continue reading
This article describes the installation and configuration of a HTTP server on Linux, with specific reference to the information needed for the RHCE EX300 exam. Continue reading
This article provides information about the installation and basic configuration of Apache Tomcat on RHEL and its clones.
The purpose of this article is to provide a brief introduction to virtualization, without getting too bogged down in technical detail, or vendor-specific politics.
There are a number of commercial antivirus products available for Linux, but ClamAV is free and is easily installed on Fedora and Enterprise Linux distributions. Continue reading
This article contains a summary of the operating system backup commands you might encounter whilst backing up Oracle databases.