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Tag Archives: update

July, 2010

  • 19 July

    How to Force YUM to Exclude Certain Packages

    linux yum

    YUM is a package management system for Red Hat Enterprise Linux (RHEL), CentOS, Fedora, and other Red Hat-based Linux operating systems. It is command-line driven and is an easy tool you can use to keep your server updated and install any new software you need. Normally, when you perform updates, …

March, 2010

  • 3 March

    How to upgrade CentOS

    Question: How do I upgrade my CentOS installation to a higher version? Answer: Using YUM you can upgrade CentOS with only a few steps. 1. Backup your important data. If most or all of is in a database, make sure to backup all databases. 2. List all of the updates: …

February, 2010

  • 9 February

    How to schedule a reboot on a Linux server

    Automating tasks in Linux is a pretty straightforward process, mainly because the tool used to do it comes with all Linux distributions. It is called Cron, as we mentioned in an earlier post. Cron allows you to automate all sorts of tasks, including reboots. But if you just need to …

January, 2010

  • 7 January

    How to force YUM to exclude certain packages

    Question: Is there a way to tell YUM to ignore certain packages when performing updates on a CentOS Linux server? Answer: There certainly is, and in some cases it can save your server from an unfortunate mishap. When running a dedicated server, particularly one with multiple websites, you run the …

November, 2009

  • 30 November

    Making YUM Faster

    Question: When I run updates with YUM (an update tool for Redhat, CentOS, or Fedora Linux), it seems like it takes forever. How can I make it faster? Answer: Although there many things to consider when trouble-shooting speed issues, one specific YUM concern might be the speed of the mirror …

September, 2009

  • 1 September

    Updating Redhat Enterprise Linux 5

    Users of Redhat Enterprise Linux (RHEL) were probably accustomed to using a command called “up2date” to update and install security patches and new software releases on their servers. As many well know, however, RHEL is based on the Fedora code base, and Fedora never relied on up2date. Instead, Fedora uses …