How to build a dual-boot RedHatLinux System

Article Title: teaches you how to build a dual-boot RedHatLinux system. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.

Multiple Linux installations that can be used allow you to easily test different libraries of the same program and observe how your program interacts with other programs, or you can just adjust the parameters everywhere to see what will happen. This is for development and testing? And customer support will be useful sooner or later. Suppose you do not have many machines? Don't worry? It is easy to install multiple Linux instances on a single machine, because you will soon find this from this tip, this article was written by IBM intern Chuks Onwuneme and Farhan Khawaja.

As a partner of IBM Developer Relations, our task involves helping technical support personnel answer customer's questions (in other words, we Help Desk ). We mainly use IBM WebSphere products? One common problem is that you need to play with machines to reproduce the actual customer problems.

In terms of words, recreating each problem means having the same system as the customer, of course, partitioning and running multiple systems on each drive is much more effective than using a separate machine for each system. Therefore, several months ago, we converted the method from one machine in each system to multiple systems in each machine.

Now, we can (for example) run two different versions of IBM WebSphere Application Server on the same operating system. All you have to do is divide the large drive (usually 19 GB in our lab drive) into two partitions and install the operating system on each partition, then, install a version of Websphere Application Server on each partition. In this way, we have multiple copies running in a similar environment on a machine.

In the IBM lab, we use a variety of operating systems, including several Microsoft Windows and NT derivative systems (Windows 2000 Server and Professional, NT Server and NT Professional) and AIX and Linux (Red Hat 6.2 ).

The Microsoft system contains a utility for installing multiple operating systems and is easy to convert. However, we are new to Linux, and the Red Hat system brings us some trouble, especially because it is difficult to find simple and clear documents to guide us. Therefore, we have provided this article, hoping that new Linux users who may face the same problem will easily find this document and find it clear, refined, and easy to use. If we succeed, please be sure to tell us (you can find our email address at the top and bottom of this Article ).

Our Tip article involves installing multiple instances of the same Linux release on a single drive (we use Red Hat in the Lab ). However, as long as you make a slight adjustment (or with the help of some of the documents listed in the references), for creating a machine with a dual-boot combination of different Linux or Linux and non-Linux operating systems, there should be no problem.

In this article, we use an old version of Red Hat because we tried to build a system that is exactly the same as the customer. Therefore, the Red Hat version used here is a few years ago and uses the earlier 2.2 kernel. Compared with the new Linux kernel, the multi-boot mode is different. For security reasons, it is wise to upgrade to a newer Linux 2.4 (. x) kernel version whenever possible. In addition, most Linux installations now provide GRUB to replace LILO or supplement LILO. This feature provides a more advanced way to handle Linux multi-boot features. In this way, if you are using a newer version without LILO, the following techniques may not be very useful? However, if your version uses LILO, it is indispensable.

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