Читать книгу Mastering Linux System Administration - Richard Blum - Страница 53

 Review needed Ubuntu server hardware resources. Determining the hardware resources required for an Ubuntu installation on a physical or virtualized server helps to ensure a successful completion of the install. It also avoids wasting time.Master It Imagine that you need to install the Ubuntu Server on a physical server that has a dual‐core 1 GHz CPU, a 200 GB hard drive, and 10 GB of RAM. Are the server's resources sufficient? Why or why not?

 Determine the requirements for a virtual Ubuntu system. Installing the Ubuntu Server distribution on as a VM on a host system has different requirements than a direct installation on a physical server. It is critical to evaluate the host system so that the installation is successful.Master It Your project team is planning on installing two Ubuntu Server VMs on a host system that has a dual‐core 1 GHz CPU, a 200 GB hard drive, and 10 GB of RAM. Are the host system's resources sufficient? Why or why not?

 Obtain Ubuntu Server software. To install the Ubuntu Server Linux distribution, you must have the proper ISO image file. This is true whether you are installing it directly on hardware or as a VM. Besides getting the ISO file, you need to ensure that it is not corrupted so that the installation proceeds well.Master It You've downloaded the Ubuntu Server ISO image file but are concerned that during the download process, file corruption occurred. What should you do to see whether the ISO image file is corrupt?

 Conduct an installation of an Ubuntu Server. There are several steps to successfully install an Ubuntu Server, and it is critical that you complete all of them. Skipping a step can cause problems immediately, and problems later, if you can even get the system to boot.Master It Your sysadmin team has correctly installed the Ubuntu Server software from the ISO image file, and the system booted without any problems. What's the next step?

  Audit the Ubuntu Server's installation. If you had some problems while booting the system, there are a few commands you can use to look at helpful boot messages. But even a successful installation still requires a few additional checks.Master It At your company, you have completed the entire Ubuntu Server installation process on a new system without any problems for the development team. The team wants to know what version of the Linux kernel is used on this new system. How do you get that information?