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Tag Archives: redhat

March, 2010

  • 18 March

    IBM chooses Red Hat for its cloud virtualization

    When it comes to virtualization, there are a few platform arenas to consider: 1. the server, 2. the virtual desktop, and 3. the cloud. It appeared for some time that IBM was satisfied relying on VMware for its virtualization needs, but they have recently announced that they will use Red …

February, 2010

  • 25 February

    How to install OpenVZ with yum

    OpenVZ is a free and open source virtualization solution for Linux. Here is an easy guide to installing OpenVZ on Redhat Enterprise Linux, CentOS, or Fedora. Note: It is recommended that you use an ext2 or ext3 file system if you want per-container disk quota. 1. Add the OpenVZ YUM …

  • 23 February

    How to install Nginx via YUM in CentOS

    Nginx (pronounced “Engine X”) is a lightweight web server that offers speed and flexibility without all of the extra features that larger web servers like Apache offer. Although it is a free and open source application, CentOS does not offer the latest version in its default YUM repository. To install …

  • 16 February

    How to delete duplicate files in Linux

    Question: Two of my directories on my server have some the same files. How can I easily delete any duplicates while preserving the unique files? Answer: There exists a Linux tool for just about everything, and this is no exception. You need a tool called fdupes, which searches the path …

  • 3 February

    Linux server round-up

    Over the past year, we have discussed many different schemes for Linux servers, which included many Linux distributions. Here is a quick overview of the major players in the Linux server market. Redhat Enterprise Linux – With the biggest financial revenue in the Linux market, Redhat is a force to …

January, 2010

  • 27 January

    Managing bootup services on Linux servers

    Question: Which Linux services should be enabled at boot on a server? Answer: Most Linux distributions come with more than what you need. They are designed to not only work on servers but also desktop computers, laptops, netbooks, and in some cases, even smaller mobile devices like phones. Because of …

  • 11 January

    Hide Apache version from outside requests

    Question: Is there a way to hide the version of Apache running on my server? Answer: Yes, there certainly is, and there is a good reason to do so. While the version of Apache running on your server might be inconsequential to the average, it could be ammunition in the …

December, 2009

  • 18 December

    The sysconfig directory in Redhat-based Linux

    Redhat Enterprise Linux, Fedora, and Centos have a convenient directory called “sysconfig”. It is located under the main /etc directory and contains many of the frequently-used configuration files necessary to operate a server. Often the configuration files are for command line options or very specific settings rather than the complete …

  • 7 December

    How to reinstall packages with YUM

    Question: One of my applications in CentOS Linux is not working right. How do I reinstall it? Answer: Early version of YUM did not have a “reinstall” function, but the newest version do. To reinstall a package, simply type as root: yum reinstall package-name If you are running a server …

November, 2009

  • 30 November

    Using APT for installation and updates

    The default update manager for Redhat-based Linux distributions is YUM, which is wonderful and all, but some people, especially those used to Debian-based distributions (such as Ubuntu), prefer to use APT for their updates. This is only for advanced users and should not be attempted on a server that already …